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Pg to bun (#148)

Browse source 
* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes
This commit is contained in:
tobi 2021-08-25 15:34:33 +02:00 • committed by GitHub
commit 2dc9fc1626
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713 changed files with 98694 additions and 22704 deletions
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7
vendor/github.com/go-pg/pg/extra/pgdebug/go.mod generated vendored
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@ -1,7 +0,0 @@
module github.com/go-pg/pg/extra/pgdebug
go 1.15
replace github.com/go-pg/pg/v10 => ../..
require github.com/go-pg/pg/v10 v10.6.2

161
vendor/github.com/go-pg/pg/extra/pgdebug/go.sum generated vendored
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@ -1,161 +0,0 @@
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golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
mellium.im/sasl v0.2.1 h1:nspKSRg7/SyO0cRGY71OkfHab8tf9kCts6a6oTDut0w=
mellium.im/sasl v0.2.1/go.mod h1:ROaEDLQNuf9vjKqE1SrAfnsobm2YKXT1gnN1uDp1PjQ=

42
vendor/github.com/go-pg/pg/extra/pgdebug/pgdebug.go generated vendored
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@ -1,42 +0,0 @@
package pgdebug
import (
"context"
"fmt"
"github.com/go-pg/pg/v10"
)
// DebugHook is a query hook that logs an error with a query if there are any.
// It can be installed with:
//
// db.AddQueryHook(pgext.DebugHook{})
type DebugHook struct {
// Verbose causes hook to print all queries (even those without an error).
Verbose bool
EmptyLine bool
}
var _ pg.QueryHook = (*DebugHook)(nil)
func (h DebugHook) BeforeQuery(ctx context.Context, evt *pg.QueryEvent) (context.Context, error) {
q, err := evt.FormattedQuery()
if err != nil {
return nil, err
}
if evt.Err != nil {
fmt.Printf("%s executing a query:\n%s\n", evt.Err, q)
} else if h.Verbose {
if h.EmptyLine {
fmt.Println()
}
fmt.Println(string(q))
}
return ctx, nil
}
func (DebugHook) AfterQuery(context.Context, *pg.QueryEvent) error {
return nil
}

18
vendor/github.com/go-pg/pg/v10/.golangci.yml generated vendored
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@ -1,18 +0,0 @@
run:
concurrency: 8
deadline: 5m
tests: false
linters:
enable-all: true
disable:
- gochecknoglobals
- gocognit
- gomnd
- wsl
- funlen
- godox
- goerr113
- exhaustive
- nestif
- gofumpt
- goconst

21
vendor/github.com/go-pg/pg/v10/.travis.yml generated vendored
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@ -1,21 +0,0 @@
dist: xenial
language: go
addons:
postgresql: '9.6'
go:
- 1.14.x
- 1.15.x
- tip
matrix:
allow_failures:
- go: tip
go_import_path: github.com/go-pg/pg
before_install:
- psql -U postgres -c "CREATE EXTENSION hstore"
- curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s --
-b $(go env GOPATH)/bin v1.28.3

204
vendor/github.com/go-pg/pg/v10/CHANGELOG.md generated vendored
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@ -1,204 +0,0 @@
# Changelog
> :heart:
> [**Uptrace.dev** - All-in-one tool to optimize performance and monitor errors & logs](https://uptrace.dev)
**Important**. Please check [Bun](https://bun.uptrace.dev/guide/pg-migration.html) - the next
iteration of go-pg built on top of `sql.DB`.
## v10.10
- Removed extra OpenTelemetry spans from go-pg core. Now go-pg instrumentation only adds a single
span with a SQL query (instead of 4 spans). There are multiple reasons behind this decision:
- Traces become smaller and less noisy.
- [Bun](https://github.com/uptrace/bun) can't support the same level of instrumentation and it is
nice to keep the projects synced.
- It may be costly to process those 3 extra spans for each query.
Eventually we hope to replace the information that we no longer collect with OpenTelemetry
Metrics.
## v10.9
- To make updating easier, extra modules now have the same version as go-pg does. That means that
you need to update your imports:
```
github.com/go-pg/pg/extra/pgdebug -> github.com/go-pg/pg/extra/pgdebug/v10
github.com/go-pg/pg/extra/pgotel -> github.com/go-pg/pg/extra/pgotel/v10
github.com/go-pg/pg/extra/pgsegment -> github.com/go-pg/pg/extra/pgsegment/v10
```
- Exported `pg.Query` which should be used instead of `orm.Query`.
- Added `pg.DBI` which is a DB interface implemented by `pg.DB` and `pg.Tx`.
## v10
### Resources
- Docs at https://pg.uptrace.dev/ powered by [mkdocs](https://github.com/squidfunk/mkdocs-material).
- [RealWorld example application](https://github.com/uptrace/go-realworld-example-app).
- [Discord](https://discord.gg/rWtp5Aj).
### Features
- `Select`, `Insert`, and `Update` support `map[string]interface{}`. `Select` also supports
`[]map[string]interface{}`.
```go
var mm []map[string]interface{}
err := db.Model((*User)(nil)).Limit(10).Select(&mm)
```
- Columns that start with `_` are ignored if there is no destination field.
- Optional [faster json encoding](https://github.com/go-pg/pgext).
- Added [pgext.OpenTelemetryHook](https://github.com/go-pg/pgext) that adds
[OpenTelemetry instrumentation](https://pg.uptrace.dev/tracing/).
- Added [pgext.DebugHook](https://github.com/go-pg/pgext) that logs failed queries.
- Added `db.Ping` to check if database is healthy.
### Changes
- ORM relations are reworked and now require `rel` tag option (but existing code will continue
working until v11). Supported options:
- `pg:"rel:has-one"` - has one relation.
- `pg:"rel:belongs-to"` - belongs to relation.
- `pg:"rel:has-many"` - has many relation.
- `pg:"many2many:book_genres"` - many to many relation.
- Changed `pg.QueryHook` to return temp byte slice to reduce memory usage.
- `,msgpack` struct tag marshals data in MessagePack format using
https://github.com/vmihailenco/msgpack
- Empty slices and maps are no longer marshaled as `NULL`. Nil slices and maps are still marshaled
as `NULL`.
- Changed `UpdateNotZero` to include zero fields with `pg:",use_zero"` tag. Consider using
`Model(*map[string]interface{})` for inserts and updates.
- `joinFK` is deprecated in favor of `join_fk`.
- `partitionBy` is deprecated in favor of `partition_by`.
- ORM shortcuts are removed:
- `db.Select(model)` becomes `db.Model(model).WherePK().Select()`.
- `db.Insert(model)` becomes `db.Model(model).Insert()`.
- `db.Update(model)` becomes `db.Model(model).WherePK().Update()`.
- `db.Delete(model)` becomes `db.Model(model).WherePK().Delete()`.
- Deprecated types and funcs are removed.
- `WhereStruct` is removed.
## v9
- `pg:",notnull"` is reworked. Now it means SQL `NOT NULL` constraint and nothing more.
- Added `pg:",use_zero"` to prevent go-pg from converting Go zero values to SQL `NULL`.
- UpdateNotNull is renamed to UpdateNotZero. As previously it omits zero Go values, but it does not
take in account if field is nullable or not.
- ORM supports DistinctOn.
- Hooks accept and return context.
- Client respects Context.Deadline when setting net.Conn deadline.
- Client listens on Context.Done while waiting for a connection from the pool and returns an error
when context is cancelled.
- `Query.Column` does not accept relation name any more. Use `Query.Relation` instead which returns
an error if relation does not exist.
- urlvalues package is removed in favor of https://github.com/go-pg/urlstruct. You can also use
struct based filters via `Query.WhereStruct`.
- `NewModel` and `AddModel` methods of `HooklessModel` interface were renamed to `NextColumnScanner`
and `AddColumnScanner` respectively.
- `types.F` and `pg.F` are deprecated in favor of `pg.Ident`.
- `types.Q` is deprecated in favor of `pg.Safe`.
- `pg.Q` is deprecated in favor of `pg.SafeQuery`.
- `TableName` field is deprecated in favor of `tableName`.
- Always use `pg:"..."` struct field tag instead of `sql:"..."`.
- `pg:",override"` is deprecated in favor of `pg:",inherit"`.
## v8
- Added `QueryContext`, `ExecContext`, and `ModelContext` which accept `context.Context`. Queries
are cancelled when context is cancelled.
- Model hooks are changed to accept `context.Context` as first argument.
- Fixed array and hstore parsers to handle multiple single quotes (#1235).
## v7
- DB.OnQueryProcessed is replaced with DB.AddQueryHook.
- Added WhereStruct.
- orm.Pager is moved to urlvalues.Pager. Pager.FromURLValues returns an error if page or limit
params can't be parsed.
## v6.16
- Read buffer is re-worked. Default read buffer is increased to 65kb.
## v6.15
- Added Options.MinIdleConns.
- Options.MaxAge renamed to Options.MaxConnAge.
- PoolStats.FreeConns is renamed to PoolStats.IdleConns.
- New hook BeforeSelectQuery.
- `,override` is renamed to `,inherit`.
- Dialer.KeepAlive is set to 5 minutes by default.
- Added support "scram-sha-256" authentication.
## v6.14
- Fields ignored with `sql:"-"` tag are no longer considered by ORM relation detector.
## v6.12
- `Insert`, `Update`, and `Delete` can return `pg.ErrNoRows` and `pg.ErrMultiRows` when `Returning`
is used and model expects single row.
## v6.11
- `db.Model(&strct).Update()` and `db.Model(&strct).Delete()` no longer adds WHERE condition based
on primary key when there are no conditions. Instead you should use `db.Update(&strct)` or
`db.Model(&strct).WherePK().Update()`.
## v6.10
- `?Columns` is renamed to `?TableColumns`. `?Columns` is changed to produce column names without
table alias.
## v6.9
- `pg:"fk"` tag now accepts SQL names instead of Go names, e.g. `pg:"fk:ParentId"` becomes
`pg:"fk:parent_id"`. Old code should continue working in most cases, but it is strongly advised to
start using new convention.
- uint and uint64 SQL type is changed from decimal to bigint according to the lesser of two evils
principle. Use `sql:"type:decimal"` to get old behavior.
## v6.8
- `CreateTable` no longer adds ON DELETE hook by default. To get old behavior users should add
`sql:"on_delete:CASCADE"` tag on foreign key field.
## v6
- `types.Result` is renamed to `orm.Result`.
- Added `OnQueryProcessed` event that can be used to log / report queries timing. Query logger is
removed.
- `orm.URLValues` is renamed to `orm.URLFilters`. It no longer adds ORDER clause.
- `orm.Pager` is renamed to `orm.Pagination`.
- Support for net.IP and net.IPNet.
- Support for context.Context.
- Bulk/multi updates.
- Query.WhereGroup for enclosing conditions in parentheses.
## v5
- All fields are nullable by default. `,null` tag is replaced with `,notnull`.
- `Result.Affected` renamed to `Result.RowsAffected`.
- Added `Result.RowsReturned`.
- `Create` renamed to `Insert`, `BeforeCreate` to `BeforeInsert`, `AfterCreate` to `AfterInsert`.
- Indexed placeholders support, e.g. `db.Exec("SELECT ?0 + ?0", 1)`.
- Named placeholders are evaluated when query is executed.
- Added Update and Delete hooks.
- Order reworked to quote column names. OrderExpr added to bypass Order quoting restrictions.
- Group reworked to quote column names. GroupExpr added to bypass Group quoting restrictions.
## v4
- `Options.Host` and `Options.Port` merged into `Options.Addr`.
- Added `Options.MaxRetries`. Now queries are not retried by default.
- `LoadInto` renamed to `Scan`, `ColumnLoader` renamed to `ColumnScanner`, LoadColumn renamed to
ScanColumn, `NewRecord() interface{}` changed to `NewModel() ColumnScanner`,
`AppendQuery(dst []byte) []byte` changed to `AppendValue(dst []byte, quote bool) ([]byte, error)`.
- Structs, maps and slices are marshalled to JSON by default.
- Added support for scanning slices, .e.g. scanning `[]int`.
- Added object relational mapping.

27
vendor/github.com/go-pg/pg/v10/Makefile generated vendored
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@ -1,27 +0,0 @@
all:
TZ= go test ./...
TZ= go test ./... -short -race
TZ= go test ./... -run=NONE -bench=. -benchmem
env GOOS=linux GOARCH=386 go test ./...
go vet
golangci-lint run
.PHONY: cleanTest
cleanTest:
docker rm -fv pg || true
.PHONY: pre-test
pre-test: cleanTest
docker run -d --name pg -p 5432:5432 -e POSTGRES_HOST_AUTH_METHOD=trust postgres:9.6
sleep 10
docker exec pg psql -U postgres -c "CREATE EXTENSION hstore"
.PHONY: test
test: pre-test
TZ= PGSSLMODE=disable go test ./... -v
tag:
git tag $(VERSION)
git tag extra/pgdebug/$(VERSION)
git tag extra/pgotel/$(VERSION)
git tag extra/pgsegment/$(VERSION)

240
vendor/github.com/go-pg/pg/v10/README.md generated vendored
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@ -1,240 +0,0 @@
<p align="center">
<a href="https://uptrace.dev/?utm_source=gh-pg&utm_campaign=gh-pg-banner1">
<img src="https://raw.githubusercontent.com/uptrace/roadmap/master/banner1.png">
</a>
</p>
# PostgreSQL client and ORM for Golang
[![Build Status](https://travis-ci.org/go-pg/pg.svg?branch=v10)](https://travis-ci.org/go-pg/pg)
[![PkgGoDev](https://pkg.go.dev/badge/github.com/go-pg/pg/v10)](https://pkg.go.dev/github.com/go-pg/pg/v10)
[![Documentation](https://img.shields.io/badge/pg-documentation-informational)](https://pg.uptrace.dev/)
[![Chat](https://discordapp.com/api/guilds/752070105847955518/widget.png)](https://discord.gg/rWtp5Aj)
**Important**. Please check [Bun](https://bun.uptrace.dev/guide/pg-migration.html) - the next
iteration of go-pg built on top of `sql.DB`.
- Join [Discord](https://discord.gg/rWtp5Aj) to ask questions.
- [Documentation](https://pg.uptrace.dev)
- [Reference](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc)
- [Examples](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#pkg-examples)
- Example projects:
- [treemux](https://github.com/uptrace/go-treemux-realworld-example-app)
- [gin](https://github.com/gogjango/gjango)
- [go-kit](https://github.com/Tsovak/rest-api-demo)
- [aah framework](https://github.com/kieusonlam/golamapi)
- [GraphQL Tutorial on YouTube](https://www.youtube.com/playlist?list=PLzQWIQOqeUSNwXcneWYJHUREAIucJ5UZn).
## Ecosystem
- Migrations by [vmihailenco](https://github.com/go-pg/migrations) and
[robinjoseph08](https://github.com/robinjoseph08/go-pg-migrations).
- [Genna - cli tool for generating go-pg models](https://github.com/dizzyfool/genna).
- [bigint](https://github.com/d-fal/bigint) - big.Int type for go-pg.
- [urlstruct](https://github.com/go-pg/urlstruct) to decode `url.Values` into structs.
- [Sharding](https://github.com/go-pg/sharding).
- [go-pg-monitor](https://github.com/hypnoglow/go-pg-monitor) - Prometheus metrics based on go-pg
client stats.
## Features
- Basic types: integers, floats, string, bool, time.Time, net.IP, net.IPNet.
- sql.NullBool, sql.NullString, sql.NullInt64, sql.NullFloat64 and
[pg.NullTime](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#NullTime).
- [sql.Scanner](http://golang.org/pkg/database/sql/#Scanner) and
[sql/driver.Valuer](http://golang.org/pkg/database/sql/driver/#Valuer) interfaces.
- Structs, maps and arrays are marshalled as JSON by default.
- PostgreSQL multidimensional Arrays using
[array tag](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-Model-PostgresArrayStructTag)
and [Array wrapper](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-Array).
- Hstore using
[hstore tag](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-Model-HstoreStructTag)
and [Hstore wrapper](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-Hstore).
- [Composite types](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-Model-CompositeType).
- All struct fields are nullable by default and zero values (empty string, 0, zero time, empty map
or slice, nil ptr) are marshalled as SQL `NULL`. `pg:",notnull"` is used to add SQL `NOT NULL`
constraint and `pg:",use_zero"` to allow Go zero values.
- [Transactions](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-Begin).
- [Prepared statements](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-Prepare).
- [Notifications](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-Listener) using
`LISTEN` and `NOTIFY`.
- [Copying data](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB-CopyFrom) using
`COPY FROM` and `COPY TO`.
- [Timeouts](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#Options) and canceling queries using
context.Context.
- Automatic connection pooling with
[circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support.
- Queries retry on network errors.
- Working with models using
[ORM](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model) and
[SQL](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Query).
- Scanning variables using
[ORM](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-SelectSomeColumnsIntoVars)
and [SQL](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-Scan).
- [SelectOrInsert](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-InsertSelectOrInsert)
using on-conflict.
- [INSERT ... ON CONFLICT DO UPDATE](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-InsertOnConflictDoUpdate)
using ORM.
- Bulk/batch
[inserts](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-BulkInsert),
[updates](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-BulkUpdate), and
[deletes](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-BulkDelete).
- Common table expressions using
[WITH](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-SelectWith) and
[WrapWith](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-SelectWrapWith).
- [CountEstimate](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-CountEstimate)
using `EXPLAIN` to get
[estimated number of matching rows](https://wiki.postgresql.org/wiki/Count_estimate).
- ORM supports
[has one](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-HasOne),
[belongs to](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-BelongsTo),
[has many](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-HasMany), and
[many to many](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-ManyToMany)
with composite/multi-column primary keys.
- [Soft deletes](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-SoftDelete).
- [Creating tables from structs](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-CreateTable).
- [ForEach](https://pkg.go.dev/github.com/go-pg/pg/v10?tab=doc#example-DB.Model-ForEach) that calls
a function for each row returned by the query without loading all rows into the memory.
## Installation
go-pg supports 2 last Go versions and requires a Go version with
[modules](https://github.com/golang/go/wiki/Modules) support. So make sure to initialize a Go
module:
```shell
go mod init github.com/my/repo
```
And then install go-pg (note _v10_ in the import; omitting it is a popular mistake):
```shell
go get github.com/go-pg/pg/v10
```
## Quickstart
```go
package pg_test
import (
"fmt"
"github.com/go-pg/pg/v10"
"github.com/go-pg/pg/v10/orm"
)
type User struct {
Id int64
Name string
Emails []string
}
func (u User) String() string {
return fmt.Sprintf("User<%d %s %v>", u.Id, u.Name, u.Emails)
}
type Story struct {
Id int64
Title string
AuthorId int64
Author *User `pg:"rel:has-one"`
}
func (s Story) String() string {
return fmt.Sprintf("Story<%d %s %s>", s.Id, s.Title, s.Author)
}
func ExampleDB_Model() {
db := pg.Connect(&pg.Options{
User: "postgres",
})
defer db.Close()
err := createSchema(db)
if err != nil {
panic(err)
}
user1 := &User{
Name: "admin",
Emails: []string{"admin1@admin", "admin2@admin"},
}
_, err = db.Model(user1).Insert()
if err != nil {
panic(err)
}
_, err = db.Model(&User{
Name: "root",
Emails: []string{"root1@root", "root2@root"},
}).Insert()
if err != nil {
panic(err)
}
story1 := &Story{
Title: "Cool story",
AuthorId: user1.Id,
}
_, err = db.Model(story1).Insert()
if err != nil {
panic(err)
}
// Select user by primary key.
user := &User{Id: user1.Id}
err = db.Model(user).WherePK().Select()
if err != nil {
panic(err)
}
// Select all users.
var users []User
err = db.Model(&users).Select()
if err != nil {
panic(err)
}
// Select story and associated author in one query.
story := new(Story)
err = db.Model(story).
Relation("Author").
Where("story.id = ?", story1.Id).
Select()
if err != nil {
panic(err)
}
fmt.Println(user)
fmt.Println(users)
fmt.Println(story)
// Output: User<1 admin [admin1@admin admin2@admin]>
// [User<1 admin [admin1@admin admin2@admin]> User<2 root [root1@root root2@root]>]
// Story<1 Cool story User<1 admin [admin1@admin admin2@admin]>>
}
// createSchema creates database schema for User and Story models.
func createSchema(db *pg.DB) error {
models := []interface{}{
(*User)(nil),
(*Story)(nil),
}
for _, model := range models {
err := db.Model(model).CreateTable(&orm.CreateTableOptions{
Temp: true,
})
if err != nil {
return err
}
}
return nil
}
```
## See also
- [Fast and flexible HTTP router](https://github.com/vmihailenco/treemux)
- [Golang msgpack](https://github.com/vmihailenco/msgpack)
- [Golang message task queue](https://github.com/vmihailenco/taskq)

618
vendor/github.com/go-pg/pg/v10/base.go generated vendored
View file

@ -1,618 +0,0 @@
package pg
import (
"context"
"io"
"time"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/orm"
"github.com/go-pg/pg/v10/types"
)
type baseDB struct {
db orm.DB
opt *Options
pool pool.Pooler
fmter *orm.Formatter
queryHooks []QueryHook
}
// PoolStats contains the stats of a connection pool.
type PoolStats pool.Stats
// PoolStats returns connection pool stats.
func (db *baseDB) PoolStats() *PoolStats {
stats := db.pool.Stats()
return (*PoolStats)(stats)
}
func (db *baseDB) clone() *baseDB {
return &baseDB{
db: db.db,
opt: db.opt,
pool: db.pool,
fmter: db.fmter,
queryHooks: copyQueryHooks(db.queryHooks),
}
}
func (db *baseDB) withPool(p pool.Pooler) *baseDB {
cp := db.clone()
cp.pool = p
return cp
}
func (db *baseDB) WithTimeout(d time.Duration) *baseDB {
newopt := *db.opt
newopt.ReadTimeout = d
newopt.WriteTimeout = d
cp := db.clone()
cp.opt = &newopt
return cp
}
func (db *baseDB) WithParam(param string, value interface{}) *baseDB {
cp := db.clone()
cp.fmter = db.fmter.WithParam(param, value)
return cp
}
// Param returns value for the param.
func (db *baseDB) Param(param string) interface{} {
return db.fmter.Param(param)
}
func (db *baseDB) retryBackoff(retry int) time.Duration {
return internal.RetryBackoff(retry, db.opt.MinRetryBackoff, db.opt.MaxRetryBackoff)
}
func (db *baseDB) getConn(ctx context.Context) (*pool.Conn, error) {
cn, err := db.pool.Get(ctx)
if err != nil {
return nil, err
}
if cn.Inited {
return cn, nil
}
if err := db.initConn(ctx, cn); err != nil {
db.pool.Remove(ctx, cn, err)
// It is safe to reset StickyConnPool if conn can't be initialized.
if p, ok := db.pool.(*pool.StickyConnPool); ok {
_ = p.Reset(ctx)
}
if err := internal.Unwrap(err); err != nil {
return nil, err
}
return nil, err
}
return cn, nil
}
func (db *baseDB) initConn(ctx context.Context, cn *pool.Conn) error {
if cn.Inited {
return nil
}
cn.Inited = true
if db.opt.TLSConfig != nil {
err := db.enableSSL(ctx, cn, db.opt.TLSConfig)
if err != nil {
return err
}
}
err := db.startup(ctx, cn, db.opt.User, db.opt.Password, db.opt.Database, db.opt.ApplicationName)
if err != nil {
return err
}
if db.opt.OnConnect != nil {
p := pool.NewSingleConnPool(db.pool, cn)
return db.opt.OnConnect(ctx, newConn(ctx, db.withPool(p)))
}
return nil
}
func (db *baseDB) releaseConn(ctx context.Context, cn *pool.Conn, err error) {
if isBadConn(err, false) {
db.pool.Remove(ctx, cn, err)
} else {
db.pool.Put(ctx, cn)
}
}
func (db *baseDB) withConn(
ctx context.Context, fn func(context.Context, *pool.Conn) error,
) error {
cn, err := db.getConn(ctx)
if err != nil {
return err
}
var fnDone chan struct{}
if ctx != nil && ctx.Done() != nil {
fnDone = make(chan struct{})
go func() {
select {
case <-fnDone: // fn has finished, skip cancel
case <-ctx.Done():
err := db.cancelRequest(cn.ProcessID, cn.SecretKey)
if err != nil {
internal.Logger.Printf(ctx, "cancelRequest failed: %s", err)
}
// Signal end of conn use.
fnDone <- struct{}{}
}
}()
}
defer func() {
if fnDone == nil {
db.releaseConn(ctx, cn, err)
return
}
select {
case <-fnDone: // wait for cancel to finish request
// Looks like the canceled connection must be always removed from the pool.
db.pool.Remove(ctx, cn, err)
case fnDone <- struct{}{}: // signal fn finish, skip cancel goroutine
db.releaseConn(ctx, cn, err)
}
}()
err = fn(ctx, cn)
return err
}
func (db *baseDB) shouldRetry(err error) bool {
switch err {
case io.EOF, io.ErrUnexpectedEOF:
return true
case nil, context.Canceled, context.DeadlineExceeded:
return false
}
if pgerr, ok := err.(Error); ok {
switch pgerr.Field('C') {
case "40001", // serialization_failure
"53300", // too_many_connections
"55000": // attempted to delete invisible tuple
return true
case "57014": // statement_timeout
return db.opt.RetryStatementTimeout
default:
return false
}
}
if _, ok := err.(timeoutError); ok {
return true
}
return false
}
// Close closes the database client, releasing any open resources.
//
// It is rare to Close a DB, as the DB handle is meant to be
// long-lived and shared between many goroutines.
func (db *baseDB) Close() error {
return db.pool.Close()
}
// Exec executes a query ignoring returned rows. The params are for any
// placeholders in the query.
func (db *baseDB) Exec(query interface{}, params ...interface{}) (res Result, err error) {
return db.exec(db.db.Context(), query, params...)
}
func (db *baseDB) ExecContext(c context.Context, query interface{}, params ...interface{}) (Result, error) {
return db.exec(c, query, params...)
}
func (db *baseDB) exec(ctx context.Context, query interface{}, params ...interface{}) (Result, error) {
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, db.fmter, query, params...); err != nil {
return nil, err
}
ctx, evt, err := db.beforeQuery(ctx, db.db, nil, query, params, wb.Query())
if err != nil {
return nil, err
}
var res Result
var lastErr error
for attempt := 0; attempt <= db.opt.MaxRetries; attempt++ {
if attempt > 0 {
if err := internal.Sleep(ctx, db.retryBackoff(attempt-1)); err != nil {
return nil, err
}
}
lastErr = db.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
res, err = db.simpleQuery(ctx, cn, wb)
return err
})
if !db.shouldRetry(lastErr) {
break
}
}
if err := db.afterQuery(ctx, evt, res, lastErr); err != nil {
return nil, err
}
return res, lastErr
}
// ExecOne acts like Exec, but query must affect only one row. It
// returns ErrNoRows error when query returns zero rows or
// ErrMultiRows when query returns multiple rows.
func (db *baseDB) ExecOne(query interface{}, params ...interface{}) (Result, error) {
return db.execOne(db.db.Context(), query, params...)
}
func (db *baseDB) ExecOneContext(ctx context.Context, query interface{}, params ...interface{}) (Result, error) {
return db.execOne(ctx, query, params...)
}
func (db *baseDB) execOne(c context.Context, query interface{}, params ...interface{}) (Result, error) {
res, err := db.ExecContext(c, query, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// Query executes a query that returns rows, typically a SELECT.
// The params are for any placeholders in the query.
func (db *baseDB) Query(model, query interface{}, params ...interface{}) (res Result, err error) {
return db.query(db.db.Context(), model, query, params...)
}
func (db *baseDB) QueryContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error) {
return db.query(c, model, query, params...)
}
func (db *baseDB) query(ctx context.Context, model, query interface{}, params ...interface{}) (Result, error) {
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, db.fmter, query, params...); err != nil {
return nil, err
}
ctx, evt, err := db.beforeQuery(ctx, db.db, model, query, params, wb.Query())
if err != nil {
return nil, err
}
var res Result
var lastErr error
for attempt := 0; attempt <= db.opt.MaxRetries; attempt++ {
if attempt > 0 {
if err := internal.Sleep(ctx, db.retryBackoff(attempt-1)); err != nil {
return nil, err
}
}
lastErr = db.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
res, err = db.simpleQueryData(ctx, cn, model, wb)
return err
})
if !db.shouldRetry(lastErr) {
break
}
}
if err := db.afterQuery(ctx, evt, res, lastErr); err != nil {
return nil, err
}
return res, lastErr
}
// QueryOne acts like Query, but query must return only one row. It
// returns ErrNoRows error when query returns zero rows or
// ErrMultiRows when query returns multiple rows.
func (db *baseDB) QueryOne(model, query interface{}, params ...interface{}) (Result, error) {
return db.queryOne(db.db.Context(), model, query, params...)
}
func (db *baseDB) QueryOneContext(
ctx context.Context, model, query interface{}, params ...interface{},
) (Result, error) {
return db.queryOne(ctx, model, query, params...)
}
func (db *baseDB) queryOne(ctx context.Context, model, query interface{}, params ...interface{}) (Result, error) {
res, err := db.QueryContext(ctx, model, query, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// CopyFrom copies data from reader to a table.
func (db *baseDB) CopyFrom(r io.Reader, query interface{}, params ...interface{}) (res Result, err error) {
c := db.db.Context()
err = db.withConn(c, func(c context.Context, cn *pool.Conn) error {
res, err = db.copyFrom(c, cn, r, query, params...)
return err
})
return res, err
}
// TODO: don't get/put conn in the pool.
func (db *baseDB) copyFrom(
ctx context.Context, cn *pool.Conn, r io.Reader, query interface{}, params ...interface{},
) (res Result, err error) {
var evt *QueryEvent
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, db.fmter, query, params...); err != nil {
return nil, err
}
var model interface{}
if len(params) > 0 {
model, _ = params[len(params)-1].(orm.TableModel)
}
ctx, evt, err = db.beforeQuery(ctx, db.db, model, query, params, wb.Query())
if err != nil {
return nil, err
}
// Note that afterQuery uses the err.
defer func() {
if afterQueryErr := db.afterQuery(ctx, evt, res, err); afterQueryErr != nil {
err = afterQueryErr
}
}()
err = cn.WithWriter(ctx, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
return writeQueryMsg(wb, db.fmter, query, params...)
})
if err != nil {
return nil, err
}
err = cn.WithReader(ctx, db.opt.ReadTimeout, readCopyInResponse)
if err != nil {
return nil, err
}
for {
err = cn.WithWriter(ctx, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
return writeCopyData(wb, r)
})
if err != nil {
if err == io.EOF {
break
}
return nil, err
}
}
err = cn.WithWriter(ctx, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
writeCopyDone(wb)
return nil
})
if err != nil {
return nil, err
}
err = cn.WithReader(ctx, db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
res, err = readReadyForQuery(rd)
return err
})
if err != nil {
return nil, err
}
return res, nil
}
// CopyTo copies data from a table to writer.
func (db *baseDB) CopyTo(w io.Writer, query interface{}, params ...interface{}) (res Result, err error) {
c := db.db.Context()
err = db.withConn(c, func(c context.Context, cn *pool.Conn) error {
res, err = db.copyTo(c, cn, w, query, params...)
return err
})
return res, err
}
func (db *baseDB) copyTo(
ctx context.Context, cn *pool.Conn, w io.Writer, query interface{}, params ...interface{},
) (res Result, err error) {
var evt *QueryEvent
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, db.fmter, query, params...); err != nil {
return nil, err
}
var model interface{}
if len(params) > 0 {
model, _ = params[len(params)-1].(orm.TableModel)
}
ctx, evt, err = db.beforeQuery(ctx, db.db, model, query, params, wb.Query())
if err != nil {
return nil, err
}
// Note that afterQuery uses the err.
defer func() {
if afterQueryErr := db.afterQuery(ctx, evt, res, err); afterQueryErr != nil {
err = afterQueryErr
}
}()
err = cn.WithWriter(ctx, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
return writeQueryMsg(wb, db.fmter, query, params...)
})
if err != nil {
return nil, err
}
err = cn.WithReader(ctx, db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
err := readCopyOutResponse(rd)
if err != nil {
return err
}
res, err = readCopyData(rd, w)
return err
})
if err != nil {
return nil, err
}
return res, nil
}
// Ping verifies a connection to the database is still alive,
// establishing a connection if necessary.
func (db *baseDB) Ping(ctx context.Context) error {
_, err := db.ExecContext(ctx, "SELECT 1")
return err
}
// Model returns new query for the model.
func (db *baseDB) Model(model ...interface{}) *Query {
return orm.NewQuery(db.db, model...)
}
func (db *baseDB) ModelContext(c context.Context, model ...interface{}) *Query {
return orm.NewQueryContext(c, db.db, model...)
}
func (db *baseDB) Formatter() orm.QueryFormatter {
return db.fmter
}
func (db *baseDB) cancelRequest(processID, secretKey int32) error {
c := context.TODO()
cn, err := db.pool.NewConn(c)
if err != nil {
return err
}
defer func() {
_ = db.pool.CloseConn(cn)
}()
return cn.WithWriter(c, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
writeCancelRequestMsg(wb, processID, secretKey)
return nil
})
}
func (db *baseDB) simpleQuery(
c context.Context, cn *pool.Conn, wb *pool.WriteBuffer,
) (*result, error) {
if err := cn.WriteBuffer(c, db.opt.WriteTimeout, wb); err != nil {
return nil, err
}
var res *result
if err := cn.WithReader(c, db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
var err error
res, err = readSimpleQuery(rd)
return err
}); err != nil {
return nil, err
}
return res, nil
}
func (db *baseDB) simpleQueryData(
c context.Context, cn *pool.Conn, model interface{}, wb *pool.WriteBuffer,
) (*result, error) {
if err := cn.WriteBuffer(c, db.opt.WriteTimeout, wb); err != nil {
return nil, err
}
var res *result
if err := cn.WithReader(c, db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
var err error
res, err = readSimpleQueryData(c, rd, model)
return err
}); err != nil {
return nil, err
}
return res, nil
}
// Prepare creates a prepared statement for later queries or
// executions. Multiple queries or executions may be run concurrently
// from the returned statement.
func (db *baseDB) Prepare(q string) (*Stmt, error) {
return prepareStmt(db.withPool(pool.NewStickyConnPool(db.pool)), q)
}
func (db *baseDB) prepare(
c context.Context, cn *pool.Conn, q string,
) (string, []types.ColumnInfo, error) {
name := cn.NextID()
err := cn.WithWriter(c, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
writeParseDescribeSyncMsg(wb, name, q)
return nil
})
if err != nil {
return "", nil, err
}
var columns []types.ColumnInfo
err = cn.WithReader(c, db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
columns, err = readParseDescribeSync(rd)
return err
})
if err != nil {
return "", nil, err
}
return name, columns, nil
}
func (db *baseDB) closeStmt(c context.Context, cn *pool.Conn, name string) error {
err := cn.WithWriter(c, db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
writeCloseMsg(wb, name)
writeFlushMsg(wb)
return nil
})
if err != nil {
return err
}
err = cn.WithReader(c, db.opt.ReadTimeout, readCloseCompleteMsg)
return err
}

142
vendor/github.com/go-pg/pg/v10/db.go generated vendored
View file

@ -1,142 +0,0 @@
package pg
import (
"context"
"fmt"
"time"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/orm"
)
// Connect connects to a database using provided options.
//
// The returned DB is safe for concurrent use by multiple goroutines
// and maintains its own connection pool.
func Connect(opt *Options) *DB {
opt.init()
return newDB(
context.Background(),
&baseDB{
opt: opt,
pool: newConnPool(opt),
fmter: orm.NewFormatter(),
},
)
}
func newDB(ctx context.Context, baseDB *baseDB) *DB {
db := &DB{
baseDB: baseDB.clone(),
ctx: ctx,
}
db.baseDB.db = db
return db
}
// DB is a database handle representing a pool of zero or more
// underlying connections. It's safe for concurrent use by multiple
// goroutines.
type DB struct {
*baseDB
ctx context.Context
}
var _ orm.DB = (*DB)(nil)
func (db *DB) String() string {
return fmt.Sprintf("DB<Addr=%q%s>", db.opt.Addr, db.fmter)
}
// Options returns read-only Options that were used to connect to the DB.
func (db *DB) Options() *Options {
return db.opt
}
// Context returns DB context.
func (db *DB) Context() context.Context {
return db.ctx
}
// WithContext returns a copy of the DB that uses the ctx.
func (db *DB) WithContext(ctx context.Context) *DB {
return newDB(ctx, db.baseDB)
}
// WithTimeout returns a copy of the DB that uses d as the read/write timeout.
func (db *DB) WithTimeout(d time.Duration) *DB {
return newDB(db.ctx, db.baseDB.WithTimeout(d))
}
// WithParam returns a copy of the DB that replaces the param with the value
// in queries.
func (db *DB) WithParam(param string, value interface{}) *DB {
return newDB(db.ctx, db.baseDB.WithParam(param, value))
}
// Listen listens for notifications sent with NOTIFY command.
func (db *DB) Listen(ctx context.Context, channels ...string) *Listener {
ln := &Listener{
db: db,
}
ln.init()
_ = ln.Listen(ctx, channels...)
return ln
}
// Conn represents a single database connection rather than a pool of database
// connections. Prefer running queries from DB unless there is a specific
// need for a continuous single database connection.
//
// A Conn must call Close to return the connection to the database pool
// and may do so concurrently with a running query.
//
// After a call to Close, all operations on the connection fail.
type Conn struct {
*baseDB
ctx context.Context
}
var _ orm.DB = (*Conn)(nil)
// Conn returns a single connection from the connection pool.
// Queries run on the same Conn will be run in the same database session.
//
// Every Conn must be returned to the database pool after use by
// calling Conn.Close.
func (db *DB) Conn() *Conn {
return newConn(db.ctx, db.baseDB.withPool(pool.NewStickyConnPool(db.pool)))
}
func newConn(ctx context.Context, baseDB *baseDB) *Conn {
conn := &Conn{
baseDB: baseDB,
ctx: ctx,
}
conn.baseDB.db = conn
return conn
}
// Context returns DB context.
func (db *Conn) Context() context.Context {
if db.ctx != nil {
return db.ctx
}
return context.Background()
}
// WithContext returns a copy of the DB that uses the ctx.
func (db *Conn) WithContext(ctx context.Context) *Conn {
return newConn(ctx, db.baseDB)
}
// WithTimeout returns a copy of the DB that uses d as the read/write timeout.
func (db *Conn) WithTimeout(d time.Duration) *Conn {
return newConn(db.ctx, db.baseDB.WithTimeout(d))
}
// WithParam returns a copy of the DB that replaces the param with the value
// in queries.
func (db *Conn) WithParam(param string, value interface{}) *Conn {
return newConn(db.ctx, db.baseDB.WithParam(param, value))
}

4
vendor/github.com/go-pg/pg/v10/doc.go generated vendored
View file

@ -1,4 +0,0 @@
/*
pg provides PostgreSQL client.
*/
package pg

69
vendor/github.com/go-pg/pg/v10/error.go generated vendored
View file

@ -1,69 +0,0 @@
package pg
import (
"net"
"github.com/go-pg/pg/v10/internal"
)
// ErrNoRows is returned by QueryOne and ExecOne when query returned zero rows
// but at least one row is expected.
var ErrNoRows = internal.ErrNoRows
// ErrMultiRows is returned by QueryOne and ExecOne when query returned
// multiple rows but exactly one row is expected.
var ErrMultiRows = internal.ErrMultiRows
// Error represents an error returned by PostgreSQL server
// using PostgreSQL ErrorResponse protocol.
//
// https://www.postgresql.org/docs/10/static/protocol-message-formats.html
type Error interface {
error
// Field returns a string value associated with an error field.
//
// https://www.postgresql.org/docs/10/static/protocol-error-fields.html
Field(field byte) string
// IntegrityViolation reports whether an error is a part of
// Integrity Constraint Violation class of errors.
//
// https://www.postgresql.org/docs/10/static/errcodes-appendix.html
IntegrityViolation() bool
}
var _ Error = (*internal.PGError)(nil)
func isBadConn(err error, allowTimeout bool) bool {
if err == nil {
return false
}
if _, ok := err.(internal.Error); ok {
return false
}
if pgErr, ok := err.(Error); ok {
switch pgErr.Field('V') {
case "FATAL", "PANIC":
return true
}
switch pgErr.Field('C') {
case "25P02", // current transaction is aborted
"57014": // canceling statement due to user request
return true
}
return false
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
return !netErr.Temporary()
}
}
return true
}
//------------------------------------------------------------------------------
type timeoutError interface {
Timeout() bool
}

24
vendor/github.com/go-pg/pg/v10/go.mod generated vendored
View file

@ -1,24 +0,0 @@
module github.com/go-pg/pg/v10
go 1.11
require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/go-pg/zerochecker v0.2.0
github.com/golang/protobuf v1.4.3 // indirect
github.com/google/go-cmp v0.5.5 // indirect
github.com/jinzhu/inflection v1.0.0
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
github.com/onsi/ginkgo v1.14.2
github.com/onsi/gomega v1.10.3
github.com/stretchr/testify v1.7.0
github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc
github.com/vmihailenco/bufpool v0.1.11
github.com/vmihailenco/msgpack/v5 v5.3.1
github.com/vmihailenco/tagparser v0.1.2
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b // indirect
golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7 // indirect
google.golang.org/protobuf v1.25.0 // indirect
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f
mellium.im/sasl v0.2.1
)

154
vendor/github.com/go-pg/pg/v10/go.sum generated vendored
View file

@ -1,154 +0,0 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/go-pg/zerochecker v0.2.0 h1:pp7f72c3DobMWOb2ErtZsnrPaSvHd2W4o9//8HtF4mU=
github.com/go-pg/zerochecker v0.2.0/go.mod h1:NJZ4wKL0NmTtz0GKCoJ8kym6Xn/EQzXRl2OnAe7MmDo=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
github.com/onsi/ginkgo v1.14.2 h1:8mVmC9kjFFmA8H4pKMUhcblgifdkOIXPvbhN1T36q1M=
github.com/onsi/ginkgo v1.14.2/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY=
github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/onsi/gomega v1.10.3 h1:gph6h/qe9GSUw1NhH1gp+qb+h8rXD8Cy60Z32Qw3ELA=
github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc h1:9lRDQMhESg+zvGYmW5DyG0UqvY96Bu5QYsTLvCHdrgo=
github.com/tmthrgd/go-hex v0.0.0-20190904060850-447a3041c3bc/go.mod h1:bciPuU6GHm1iF1pBvUfxfsH0Wmnc2VbpgvbI9ZWuIRs=
github.com/vmihailenco/bufpool v0.1.11 h1:gOq2WmBrq0i2yW5QJ16ykccQ4wH9UyEsgLm6czKAd94=
github.com/vmihailenco/bufpool v0.1.11/go.mod h1:AFf/MOy3l2CFTKbxwt0mp2MwnqjNEs5H/UxrkA5jxTQ=
github.com/vmihailenco/msgpack/v5 v5.3.1 h1:0i85a4dsZh8mC//wmyyTEzidDLPQfQAxZIOLtafGbFY=
github.com/vmihailenco/msgpack/v5 v5.3.1/go.mod h1:7xyJ9e+0+9SaZT0Wt1RGleJXzli6Q/V5KbhBonMG9jc=
github.com/vmihailenco/tagparser v0.1.2 h1:gnjoVuB/kljJ5wICEEOpx98oXMWPLj22G67Vbd1qPqc=
github.com/vmihailenco/tagparser v0.1.2/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
golang.org/x/crypto v0.0.0-20180910181607-0e37d006457b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b h1:7mWr3k41Qtv8XlltBkDkl8LoP3mpSgBW8BUoxtEdbXg=
golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 h1:qWPm9rbaAMKs8Bq/9LRpbMqxWRVUAQwMI9fVrssnTfw=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7 h1:iGu644GcxtEcrInvDsQRCwJjtCIOlT2V7IRt6ah2Whw=
golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
mellium.im/sasl v0.2.1 h1:nspKSRg7/SyO0cRGY71OkfHab8tf9kCts6a6oTDut0w=
mellium.im/sasl v0.2.1/go.mod h1:ROaEDLQNuf9vjKqE1SrAfnsobm2YKXT1gnN1uDp1PjQ=

139
vendor/github.com/go-pg/pg/v10/hook.go generated vendored
View file

@ -1,139 +0,0 @@
package pg
import (
"context"
"fmt"
"time"
"github.com/go-pg/pg/v10/orm"
)
type (
BeforeScanHook = orm.BeforeScanHook
AfterScanHook = orm.AfterScanHook
AfterSelectHook = orm.AfterSelectHook
BeforeInsertHook = orm.BeforeInsertHook
AfterInsertHook = orm.AfterInsertHook
BeforeUpdateHook = orm.BeforeUpdateHook
AfterUpdateHook = orm.AfterUpdateHook
BeforeDeleteHook = orm.BeforeDeleteHook
AfterDeleteHook = orm.AfterDeleteHook
)
//------------------------------------------------------------------------------
type dummyFormatter struct{}
func (dummyFormatter) FormatQuery(b []byte, query string, params ...interface{}) []byte {
return append(b, query...)
}
// QueryEvent ...
type QueryEvent struct {
StartTime time.Time
DB orm.DB
Model interface{}
Query interface{}
Params []interface{}
fmtedQuery []byte
Result Result
Err error
Stash map[interface{}]interface{}
}
// QueryHook ...
type QueryHook interface {
BeforeQuery(context.Context, *QueryEvent) (context.Context, error)
AfterQuery(context.Context, *QueryEvent) error
}
// UnformattedQuery returns the unformatted query of a query event.
// The query is only valid until the query Result is returned to the user.
func (e *QueryEvent) UnformattedQuery() ([]byte, error) {
return queryString(e.Query)
}
func queryString(query interface{}) ([]byte, error) {
switch query := query.(type) {
case orm.TemplateAppender:
return query.AppendTemplate(nil)
case string:
return dummyFormatter{}.FormatQuery(nil, query), nil
default:
return nil, fmt.Errorf("pg: can't append %T", query)
}
}
// FormattedQuery returns the formatted query of a query event.
// The query is only valid until the query Result is returned to the user.
func (e *QueryEvent) FormattedQuery() ([]byte, error) {
return e.fmtedQuery, nil
}
// AddQueryHook adds a hook into query processing.
func (db *baseDB) AddQueryHook(hook QueryHook) {
db.queryHooks = append(db.queryHooks, hook)
}
func (db *baseDB) beforeQuery(
ctx context.Context,
ormDB orm.DB,
model, query interface{},
params []interface{},
fmtedQuery []byte,
) (context.Context, *QueryEvent, error) {
if len(db.queryHooks) == 0 {
return ctx, nil, nil
}
event := &QueryEvent{
StartTime: time.Now(),
DB: ormDB,
Model: model,
Query: query,
Params: params,
fmtedQuery: fmtedQuery,
}
for i, hook := range db.queryHooks {
var err error
ctx, err = hook.BeforeQuery(ctx, event)
if err != nil {
if err := db.afterQueryFromIndex(ctx, event, i); err != nil {
return ctx, nil, err
}
return ctx, nil, err
}
}
return ctx, event, nil
}
func (db *baseDB) afterQuery(
ctx context.Context,
event *QueryEvent,
res Result,
err error,
) error {
if event == nil {
return nil
}
event.Err = err
event.Result = res
return db.afterQueryFromIndex(ctx, event, len(db.queryHooks)-1)
}
func (db *baseDB) afterQueryFromIndex(ctx context.Context, event *QueryEvent, hookIndex int) error {
for ; hookIndex >= 0; hookIndex-- {
if err := db.queryHooks[hookIndex].AfterQuery(ctx, event); err != nil {
return err
}
}
return nil
}
func copyQueryHooks(s []QueryHook) []QueryHook {
return s[:len(s):len(s)]
}

26
vendor/github.com/go-pg/pg/v10/internal/context.go generated vendored
View file

@ -1,26 +0,0 @@
package internal
import (
"context"
"time"
)
type UndoneContext struct {
context.Context
}
func UndoContext(ctx context.Context) UndoneContext {
return UndoneContext{Context: ctx}
}
func (UndoneContext) Deadline() (deadline time.Time, ok bool) {
return time.Time{}, false
}
func (UndoneContext) Done() <-chan struct{} {
return nil
}
func (UndoneContext) Err() error {
return nil
}

61
vendor/github.com/go-pg/pg/v10/internal/error.go generated vendored
View file

@ -1,61 +0,0 @@
package internal
import (
"fmt"
)
var (
ErrNoRows = Errorf("pg: no rows in result set")
ErrMultiRows = Errorf("pg: multiple rows in result set")
)
type Error struct {
s string
}
func Errorf(s string, args ...interface{}) Error {
return Error{s: fmt.Sprintf(s, args...)}
}
func (err Error) Error() string {
return err.s
}
type PGError struct {
m map[byte]string
}
func NewPGError(m map[byte]string) PGError {
return PGError{
m: m,
}
}
func (err PGError) Field(k byte) string {
return err.m[k]
}
func (err PGError) IntegrityViolation() bool {
switch err.Field('C') {
case "23000", "23001", "23502", "23503", "23505", "23514", "23P01":
return true
default:
return false
}
}
func (err PGError) Error() string {
return fmt.Sprintf("%s #%s %s",
err.Field('S'), err.Field('C'), err.Field('M'))
}
func AssertOneRow(l int) error {
switch {
case l == 0:
return ErrNoRows
case l > 1:
return ErrMultiRows
default:
return nil
}
}

27
vendor/github.com/go-pg/pg/v10/internal/internal.go generated vendored
View file

@ -1,27 +0,0 @@
/*
internal is a private internal package.
*/
package internal
import (
"math/rand"
"time"
)
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
panic("not reached")
}
if minBackoff == 0 {
return 0
}
d := minBackoff << uint(retry)
d = minBackoff + time.Duration(rand.Int63n(int64(d)))
if d > maxBackoff || d < minBackoff {
d = maxBackoff
}
return d
}

28
vendor/github.com/go-pg/pg/v10/internal/log.go generated vendored
View file

@ -1,28 +0,0 @@
package internal
import (
"context"
"fmt"
"log"
"os"
)
var Warn = log.New(os.Stderr, "WARN: pg: ", log.LstdFlags)
var Deprecated = log.New(os.Stderr, "DEPRECATED: pg: ", log.LstdFlags)
type Logging interface {
Printf(ctx context.Context, format string, v ...interface{})
}
type logger struct {
log *log.Logger
}
func (l *logger) Printf(ctx context.Context, format string, v ...interface{}) {
_ = l.log.Output(2, fmt.Sprintf(format, v...))
}
var Logger Logging = &logger{
log: log.New(os.Stderr, "pg: ", log.LstdFlags|log.Lshortfile),
}

65
vendor/github.com/go-pg/pg/v10/internal/parser/streaming_parser.go generated vendored
View file

@ -1,65 +0,0 @@
package parser
import (
"fmt"
"github.com/go-pg/pg/v10/internal/pool"
)
type StreamingParser struct {
pool.Reader
}
func NewStreamingParser(rd pool.Reader) StreamingParser {
return StreamingParser{
Reader: rd,
}
}
func (p StreamingParser) SkipByte(skip byte) error {
c, err := p.ReadByte()
if err != nil {
return err
}
if c == skip {
return nil
}
_ = p.UnreadByte()
return fmt.Errorf("got %q, wanted %q", c, skip)
}
func (p StreamingParser) ReadSubstring(b []byte) ([]byte, error) {
c, err := p.ReadByte()
if err != nil {
return b, err
}
for {
if c == '"' {
return b, nil
}
next, err := p.ReadByte()
if err != nil {
return b, err
}
if c == '\\' {
switch next {
case '\\', '"':
b = append(b, next)
c, err = p.ReadByte()
if err != nil {
return nil, err
}
default:
b = append(b, '\\')
c = next
}
continue
}
b = append(b, c)
c = next
}
}

158
vendor/github.com/go-pg/pg/v10/internal/pool/conn.go generated vendored
View file

@ -1,158 +0,0 @@
package pool
import (
"context"
"net"
"strconv"
"sync/atomic"
"time"
)
var noDeadline = time.Time{}
type Conn struct {
netConn net.Conn
rd *ReaderContext
ProcessID int32
SecretKey int32
lastID int64
createdAt time.Time
usedAt uint32 // atomic
pooled bool
Inited bool
}
func NewConn(netConn net.Conn) *Conn {
cn := &Conn{
createdAt: time.Now(),
}
cn.SetNetConn(netConn)
cn.SetUsedAt(time.Now())
return cn
}
func (cn *Conn) UsedAt() time.Time {
unix := atomic.LoadUint32(&cn.usedAt)
return time.Unix(int64(unix), 0)
}
func (cn *Conn) SetUsedAt(tm time.Time) {
atomic.StoreUint32(&cn.usedAt, uint32(tm.Unix()))
}
func (cn *Conn) RemoteAddr() net.Addr {
return cn.netConn.RemoteAddr()
}
func (cn *Conn) SetNetConn(netConn net.Conn) {
cn.netConn = netConn
if cn.rd != nil {
cn.rd.Reset(netConn)
}
}
func (cn *Conn) LockReader() {
if cn.rd != nil {
panic("not reached")
}
cn.rd = NewReaderContext()
cn.rd.Reset(cn.netConn)
}
func (cn *Conn) NetConn() net.Conn {
return cn.netConn
}
func (cn *Conn) NextID() string {
cn.lastID++
return strconv.FormatInt(cn.lastID, 10)
}
func (cn *Conn) WithReader(
ctx context.Context, timeout time.Duration, fn func(rd *ReaderContext) error,
) error {
if err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout)); err != nil {
return err
}
rd := cn.rd
if rd == nil {
rd = GetReaderContext()
defer PutReaderContext(rd)
rd.Reset(cn.netConn)
}
rd.bytesRead = 0
if err := fn(rd); err != nil {
return err
}
return nil
}
func (cn *Conn) WithWriter(
ctx context.Context, timeout time.Duration, fn func(wb *WriteBuffer) error,
) error {
wb := GetWriteBuffer()
defer PutWriteBuffer(wb)
if err := fn(wb); err != nil {
return err
}
return cn.writeBuffer(ctx, timeout, wb)
}
func (cn *Conn) WriteBuffer(ctx context.Context, timeout time.Duration, wb *WriteBuffer) error {
return cn.writeBuffer(ctx, timeout, wb)
}
func (cn *Conn) writeBuffer(
ctx context.Context,
timeout time.Duration,
wb *WriteBuffer,
) error {
if err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout)); err != nil {
return err
}
if _, err := cn.netConn.Write(wb.Bytes); err != nil {
return err
}
return nil
}
func (cn *Conn) Close() error {
return cn.netConn.Close()
}
func (cn *Conn) deadline(ctx context.Context, timeout time.Duration) time.Time {
tm := time.Now()
cn.SetUsedAt(tm)
if timeout > 0 {
tm = tm.Add(timeout)
}
if ctx != nil {
deadline, ok := ctx.Deadline()
if ok {
if timeout == 0 {
return deadline
}
if deadline.Before(tm) {
return deadline
}
return tm
}
}
if timeout > 0 {
return tm
}
return noDeadline
}

506
vendor/github.com/go-pg/pg/v10/internal/pool/pool.go generated vendored
View file

@ -1,506 +0,0 @@
package pool
import (
"context"
"errors"
"net"
"sync"
"sync/atomic"
"time"
"github.com/go-pg/pg/v10/internal"
)
var (
ErrClosed = errors.New("pg: database is closed")
ErrPoolTimeout = errors.New("pg: connection pool timeout")
)
var timers = sync.Pool{
New: func() interface{} {
t := time.NewTimer(time.Hour)
t.Stop()
return t
},
}
// Stats contains pool state information and accumulated stats.
type Stats struct {
Hits uint32 // number of times free connection was found in the pool
Misses uint32 // number of times free connection was NOT found in the pool
Timeouts uint32 // number of times a wait timeout occurred
TotalConns uint32 // number of total connections in the pool
IdleConns uint32 // number of idle connections in the pool
StaleConns uint32 // number of stale connections removed from the pool
}
type Pooler interface {
NewConn(context.Context) (*Conn, error)
CloseConn(*Conn) error
Get(context.Context) (*Conn, error)
Put(context.Context, *Conn)
Remove(context.Context, *Conn, error)
Len() int
IdleLen() int
Stats() *Stats
Close() error
}
type Options struct {
Dialer func(context.Context) (net.Conn, error)
OnClose func(*Conn) error
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
}
type ConnPool struct {
opt *Options
dialErrorsNum uint32 // atomic
_closed uint32 // atomic
lastDialErrorMu sync.RWMutex
lastDialError error
queue chan struct{}
stats Stats
connsMu sync.Mutex
conns []*Conn
idleConns []*Conn
poolSize int
idleConnsLen int
}
var _ Pooler = (*ConnPool)(nil)
func NewConnPool(opt *Options) *ConnPool {
p := &ConnPool{
opt: opt,
queue: make(chan struct{}, opt.PoolSize),
conns: make([]*Conn, 0, opt.PoolSize),
idleConns: make([]*Conn, 0, opt.PoolSize),
}
p.connsMu.Lock()
p.checkMinIdleConns()
p.connsMu.Unlock()
if opt.IdleTimeout > 0 && opt.IdleCheckFrequency > 0 {
go p.reaper(opt.IdleCheckFrequency)
}
return p
}
func (p *ConnPool) checkMinIdleConns() {
if p.opt.MinIdleConns == 0 {
return
}
for p.poolSize < p.opt.PoolSize && p.idleConnsLen < p.opt.MinIdleConns {
p.poolSize++
p.idleConnsLen++
go func() {
err := p.addIdleConn()
if err != nil {
p.connsMu.Lock()
p.poolSize--
p.idleConnsLen--
p.connsMu.Unlock()
}
}()
}
}
func (p *ConnPool) addIdleConn() error {
cn, err := p.dialConn(context.TODO(), true)
if err != nil {
return err
}
p.connsMu.Lock()
p.conns = append(p.conns, cn)
p.idleConns = append(p.idleConns, cn)
p.connsMu.Unlock()
return nil
}
func (p *ConnPool) NewConn(c context.Context) (*Conn, error) {
return p.newConn(c, false)
}
func (p *ConnPool) newConn(c context.Context, pooled bool) (*Conn, error) {
cn, err := p.dialConn(c, pooled)
if err != nil {
return nil, err
}
p.connsMu.Lock()
p.conns = append(p.conns, cn)
if pooled {
// If pool is full remove the cn on next Put.
if p.poolSize >= p.opt.PoolSize {
cn.pooled = false
} else {
p.poolSize++
}
}
p.connsMu.Unlock()
return cn, nil
}
func (p *ConnPool) dialConn(c context.Context, pooled bool) (*Conn, error) {
if p.closed() {
return nil, ErrClosed
}
if atomic.LoadUint32(&p.dialErrorsNum) >= uint32(p.opt.PoolSize) {
return nil, p.getLastDialError()
}
netConn, err := p.opt.Dialer(c)
if err != nil {
p.setLastDialError(err)
if atomic.AddUint32(&p.dialErrorsNum, 1) == uint32(p.opt.PoolSize) {
go p.tryDial()
}
return nil, err
}
cn := NewConn(netConn)
cn.pooled = pooled
return cn, nil
}
func (p *ConnPool) tryDial() {
for {
if p.closed() {
return
}
conn, err := p.opt.Dialer(context.TODO())
if err != nil {
p.setLastDialError(err)
time.Sleep(time.Second)
continue
}
atomic.StoreUint32(&p.dialErrorsNum, 0)
_ = conn.Close()
return
}
}
func (p *ConnPool) setLastDialError(err error) {
p.lastDialErrorMu.Lock()
p.lastDialError = err
p.lastDialErrorMu.Unlock()
}
func (p *ConnPool) getLastDialError() error {
p.lastDialErrorMu.RLock()
err := p.lastDialError
p.lastDialErrorMu.RUnlock()
return err
}
// Get returns existed connection from the pool or creates a new one.
func (p *ConnPool) Get(ctx context.Context) (*Conn, error) {
if p.closed() {
return nil, ErrClosed
}
err := p.waitTurn(ctx)
if err != nil {
return nil, err
}
for {
p.connsMu.Lock()
cn := p.popIdle()
p.connsMu.Unlock()
if cn == nil {
break
}
if p.isStaleConn(cn) {
_ = p.CloseConn(cn)
continue
}
atomic.AddUint32(&p.stats.Hits, 1)
return cn, nil
}
atomic.AddUint32(&p.stats.Misses, 1)
newcn, err := p.newConn(ctx, true)
if err != nil {
p.freeTurn()
return nil, err
}
return newcn, nil
}
func (p *ConnPool) getTurn() {
p.queue <- struct{}{}
}
func (p *ConnPool) waitTurn(c context.Context) error {
select {
case <-c.Done():
return c.Err()
default:
}
select {
case p.queue <- struct{}{}:
return nil
default:
}
timer := timers.Get().(*time.Timer)
timer.Reset(p.opt.PoolTimeout)
select {
case <-c.Done():
if !timer.Stop() {
<-timer.C
}
timers.Put(timer)
return c.Err()
case p.queue <- struct{}{}:
if !timer.Stop() {
<-timer.C
}
timers.Put(timer)
return nil
case <-timer.C:
timers.Put(timer)
atomic.AddUint32(&p.stats.Timeouts, 1)
return ErrPoolTimeout
}
}
func (p *ConnPool) freeTurn() {
<-p.queue
}
func (p *ConnPool) popIdle() *Conn {
if len(p.idleConns) == 0 {
return nil
}
idx := len(p.idleConns) - 1
cn := p.idleConns[idx]
p.idleConns = p.idleConns[:idx]
p.idleConnsLen--
p.checkMinIdleConns()
return cn
}
func (p *ConnPool) Put(ctx context.Context, cn *Conn) {
if !cn.pooled {
p.Remove(ctx, cn, nil)
return
}
p.connsMu.Lock()
p.idleConns = append(p.idleConns, cn)
p.idleConnsLen++
p.connsMu.Unlock()
p.freeTurn()
}
func (p *ConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.removeConnWithLock(cn)
p.freeTurn()
_ = p.closeConn(cn)
}
func (p *ConnPool) CloseConn(cn *Conn) error {
p.removeConnWithLock(cn)
return p.closeConn(cn)
}
func (p *ConnPool) removeConnWithLock(cn *Conn) {
p.connsMu.Lock()
p.removeConn(cn)
p.connsMu.Unlock()
}
func (p *ConnPool) removeConn(cn *Conn) {
for i, c := range p.conns {
if c == cn {
p.conns = append(p.conns[:i], p.conns[i+1:]...)
if cn.pooled {
p.poolSize--
p.checkMinIdleConns()
}
return
}
}
}
func (p *ConnPool) closeConn(cn *Conn) error {
if p.opt.OnClose != nil {
_ = p.opt.OnClose(cn)
}
return cn.Close()
}
// Len returns total number of connections.
func (p *ConnPool) Len() int {
p.connsMu.Lock()
n := len(p.conns)
p.connsMu.Unlock()
return n
}
// IdleLen returns number of idle connections.
func (p *ConnPool) IdleLen() int {
p.connsMu.Lock()
n := p.idleConnsLen
p.connsMu.Unlock()
return n
}
func (p *ConnPool) Stats() *Stats {
idleLen := p.IdleLen()
return &Stats{
Hits: atomic.LoadUint32(&p.stats.Hits),
Misses: atomic.LoadUint32(&p.stats.Misses),
Timeouts: atomic.LoadUint32(&p.stats.Timeouts),
TotalConns: uint32(p.Len()),
IdleConns: uint32(idleLen),
StaleConns: atomic.LoadUint32(&p.stats.StaleConns),
}
}
func (p *ConnPool) closed() bool {
return atomic.LoadUint32(&p._closed) == 1
}
func (p *ConnPool) Filter(fn func(*Conn) bool) error {
var firstErr error
p.connsMu.Lock()
for _, cn := range p.conns {
if fn(cn) {
if err := p.closeConn(cn); err != nil && firstErr == nil {
firstErr = err
}
}
}
p.connsMu.Unlock()
return firstErr
}
func (p *ConnPool) Close() error {
if !atomic.CompareAndSwapUint32(&p._closed, 0, 1) {
return ErrClosed
}
var firstErr error
p.connsMu.Lock()
for _, cn := range p.conns {
if err := p.closeConn(cn); err != nil && firstErr == nil {
firstErr = err
}
}
p.conns = nil
p.poolSize = 0
p.idleConns = nil
p.idleConnsLen = 0
p.connsMu.Unlock()
return firstErr
}
func (p *ConnPool) reaper(frequency time.Duration) {
ticker := time.NewTicker(frequency)
defer ticker.Stop()
for range ticker.C {
if p.closed() {
break
}
n, err := p.ReapStaleConns()
if err != nil {
internal.Logger.Printf(context.TODO(), "ReapStaleConns failed: %s", err)
continue
}
atomic.AddUint32(&p.stats.StaleConns, uint32(n))
}
}
func (p *ConnPool) ReapStaleConns() (int, error) {
var n int
for {
p.getTurn()
p.connsMu.Lock()
cn := p.reapStaleConn()
p.connsMu.Unlock()
p.freeTurn()
if cn != nil {
_ = p.closeConn(cn)
n++
} else {
break
}
}
return n, nil
}
func (p *ConnPool) reapStaleConn() *Conn {
if len(p.idleConns) == 0 {
return nil
}
cn := p.idleConns[0]
if !p.isStaleConn(cn) {
return nil
}
p.idleConns = append(p.idleConns[:0], p.idleConns[1:]...)
p.idleConnsLen--
p.removeConn(cn)
return cn
}
func (p *ConnPool) isStaleConn(cn *Conn) bool {
if p.opt.IdleTimeout == 0 && p.opt.MaxConnAge == 0 {
return false
}
now := time.Now()
if p.opt.IdleTimeout > 0 && now.Sub(cn.UsedAt()) >= p.opt.IdleTimeout {
return true
}
if p.opt.MaxConnAge > 0 && now.Sub(cn.createdAt) >= p.opt.MaxConnAge {
return true
}
return false
}

58
vendor/github.com/go-pg/pg/v10/internal/pool/pool_single.go generated vendored
View file

@ -1,58 +0,0 @@
package pool
import "context"
type SingleConnPool struct {
pool Pooler
cn *Conn
stickyErr error
}
var _ Pooler = (*SingleConnPool)(nil)
func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool {
return &SingleConnPool{
pool: pool,
cn: cn,
}
}
func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *SingleConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
if p.stickyErr != nil {
return nil, p.stickyErr
}
return p.cn, nil
}
func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {}
func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.cn = nil
p.stickyErr = reason
}
func (p *SingleConnPool) Close() error {
p.cn = nil
p.stickyErr = ErrClosed
return nil
}
func (p *SingleConnPool) Len() int {
return 0
}
func (p *SingleConnPool) IdleLen() int {
return 0
}
func (p *SingleConnPool) Stats() *Stats {
return &Stats{}
}

202
vendor/github.com/go-pg/pg/v10/internal/pool/pool_sticky.go generated vendored
View file

@ -1,202 +0,0 @@
package pool
import (
"context"
"errors"
"fmt"
"sync/atomic"
)
const (
stateDefault = 0
stateInited = 1
stateClosed = 2
)
type BadConnError struct {
wrapped error
}
var _ error = (*BadConnError)(nil)
func (e BadConnError) Error() string {
s := "pg: Conn is in a bad state"
if e.wrapped != nil {
s += ": " + e.wrapped.Error()
}
return s
}
func (e BadConnError) Unwrap() error {
return e.wrapped
}
//------------------------------------------------------------------------------
type StickyConnPool struct {
pool Pooler
shared int32 // atomic
state uint32 // atomic
ch chan *Conn
_badConnError atomic.Value
}
var _ Pooler = (*StickyConnPool)(nil)
func NewStickyConnPool(pool Pooler) *StickyConnPool {
p, ok := pool.(*StickyConnPool)
if !ok {
p = &StickyConnPool{
pool: pool,
ch: make(chan *Conn, 1),
}
}
atomic.AddInt32(&p.shared, 1)
return p
}
func (p *StickyConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *StickyConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
// In worst case this races with Close which is not a very common operation.
for i := 0; i < 1000; i++ {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
cn, err := p.pool.Get(ctx)
if err != nil {
return nil, err
}
if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
return cn, nil
}
p.pool.Remove(ctx, cn, ErrClosed)
case stateInited:
if err := p.badConnError(); err != nil {
return nil, err
}
cn, ok := <-p.ch
if !ok {
return nil, ErrClosed
}
return cn, nil
case stateClosed:
return nil, ErrClosed
default:
panic("not reached")
}
}
return nil, fmt.Errorf("pg: StickyConnPool.Get: infinite loop")
}
func (p *StickyConnPool) Put(ctx context.Context, cn *Conn) {
defer func() {
if recover() != nil {
p.freeConn(ctx, cn)
}
}()
p.ch <- cn
}
func (p *StickyConnPool) freeConn(ctx context.Context, cn *Conn) {
if err := p.badConnError(); err != nil {
p.pool.Remove(ctx, cn, err)
} else {
p.pool.Put(ctx, cn)
}
}
func (p *StickyConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
defer func() {
if recover() != nil {
p.pool.Remove(ctx, cn, ErrClosed)
}
}()
p._badConnError.Store(BadConnError{wrapped: reason})
p.ch <- cn
}
func (p *StickyConnPool) Close() error {
if shared := atomic.AddInt32(&p.shared, -1); shared > 0 {
return nil
}
for i := 0; i < 1000; i++ {
state := atomic.LoadUint32(&p.state)
if state == stateClosed {
return ErrClosed
}
if atomic.CompareAndSwapUint32(&p.state, state, stateClosed) {
close(p.ch)
cn, ok := <-p.ch
if ok {
p.freeConn(context.TODO(), cn)
}
return nil
}
}
return errors.New("pg: StickyConnPool.Close: infinite loop")
}
func (p *StickyConnPool) Reset(ctx context.Context) error {
if p.badConnError() == nil {
return nil
}
select {
case cn, ok := <-p.ch:
if !ok {
return ErrClosed
}
p.pool.Remove(ctx, cn, ErrClosed)
p._badConnError.Store(BadConnError{wrapped: nil})
default:
return errors.New("pg: StickyConnPool does not have a Conn")
}
if !atomic.CompareAndSwapUint32(&p.state, stateInited, stateDefault) {
state := atomic.LoadUint32(&p.state)
return fmt.Errorf("pg: invalid StickyConnPool state: %d", state)
}
return nil
}
func (p *StickyConnPool) badConnError() error {
if v := p._badConnError.Load(); v != nil {
err := v.(BadConnError)
if err.wrapped != nil {
return err
}
}
return nil
}
func (p *StickyConnPool) Len() int {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
return 0
case stateInited:
return 1
case stateClosed:
return 0
default:
panic("not reached")
}
}
func (p *StickyConnPool) IdleLen() int {
return len(p.ch)
}
func (p *StickyConnPool) Stats() *Stats {
return &Stats{}
}

80
vendor/github.com/go-pg/pg/v10/internal/pool/reader.go generated vendored
View file

@ -1,80 +0,0 @@
package pool
import (
"sync"
)
type Reader interface {
Buffered() int
Bytes() []byte
Read([]byte) (int, error)
ReadByte() (byte, error)
UnreadByte() error
ReadSlice(byte) ([]byte, error)
Discard(int) (int, error)
// ReadBytes(fn func(byte) bool) ([]byte, error)
// ReadN(int) ([]byte, error)
ReadFull() ([]byte, error)
ReadFullTemp() ([]byte, error)
}
type ColumnInfo struct {
Index int16
DataType int32
Name string
}
type ColumnAlloc struct {
columns []ColumnInfo
}
func NewColumnAlloc() *ColumnAlloc {
return new(ColumnAlloc)
}
func (c *ColumnAlloc) Reset() {
c.columns = c.columns[:0]
}
func (c *ColumnAlloc) New(index int16, name []byte) *ColumnInfo {
c.columns = append(c.columns, ColumnInfo{
Index: index,
Name: string(name),
})
return &c.columns[len(c.columns)-1]
}
func (c *ColumnAlloc) Columns() []ColumnInfo {
return c.columns
}
type ReaderContext struct {
*BufReader
ColumnAlloc *ColumnAlloc
}
func NewReaderContext() *ReaderContext {
const bufSize = 1 << 20 // 1mb
return &ReaderContext{
BufReader: NewBufReader(bufSize),
ColumnAlloc: NewColumnAlloc(),
}
}
var readerPool = sync.Pool{
New: func() interface{} {
return NewReaderContext()
},
}
func GetReaderContext() *ReaderContext {
rd := readerPool.Get().(*ReaderContext)
return rd
}
func PutReaderContext(rd *ReaderContext) {
rd.ColumnAlloc.Reset()
readerPool.Put(rd)
}

431
vendor/github.com/go-pg/pg/v10/internal/pool/reader_buf.go generated vendored
View file

@ -1,431 +0,0 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pool
import (
"bufio"
"bytes"
"io"
)
type BufReader struct {
rd io.Reader // reader provided by the client
buf []byte
r, w int // buf read and write positions
lastByte int
bytesRead int64
err error
available int // bytes available for reading
brd BytesReader // reusable bytes reader
}
func NewBufReader(bufSize int) *BufReader {
return &BufReader{
buf: make([]byte, bufSize),
available: -1,
}
}
func (b *BufReader) BytesReader(n int) *BytesReader {
if n == -1 {
n = 0
}
buf := b.buf[b.r : b.r+n]
b.r += n
b.brd.Reset(buf)
return &b.brd
}
func (b *BufReader) SetAvailable(n int) {
b.available = n
}
func (b *BufReader) Available() int {
return b.available
}
func (b *BufReader) changeAvailable(n int) {
if b.available != -1 {
b.available += n
}
}
func (b *BufReader) Reset(rd io.Reader) {
b.rd = rd
b.r, b.w = 0, 0
b.err = nil
}
// Buffered returns the number of bytes that can be read from the current buffer.
func (b *BufReader) Buffered() int {
buffered := b.w - b.r
if b.available == -1 || buffered <= b.available {
return buffered
}
return b.available
}
func (b *BufReader) Bytes() []byte {
if b.available == -1 {
return b.buf[b.r:b.w]
}
w := b.r + b.available
if w > b.w {
w = b.w
}
return b.buf[b.r:w]
}
func (b *BufReader) flush() []byte {
if b.available == -1 {
buf := b.buf[b.r:b.w]
b.r = b.w
return buf
}
w := b.r + b.available
if w > b.w {
w = b.w
}
buf := b.buf[b.r:w]
b.r = w
b.changeAvailable(-len(buf))
return buf
}
// fill reads a new chunk into the buffer.
func (b *BufReader) fill() {
// Slide existing data to beginning.
if b.r > 0 {
copy(b.buf, b.buf[b.r:b.w])
b.w -= b.r
b.r = 0
}
if b.w >= len(b.buf) {
panic("bufio: tried to fill full buffer")
}
if b.available == 0 {
b.err = io.EOF
return
}
// Read new data: try a limited number of times.
const maxConsecutiveEmptyReads = 100
for i := maxConsecutiveEmptyReads; i > 0; i-- {
n, err := b.read(b.buf[b.w:])
b.w += n
if err != nil {
b.err = err
return
}
if n > 0 {
return
}
}
b.err = io.ErrNoProgress
}
func (b *BufReader) readErr() error {
err := b.err
b.err = nil
return err
}
func (b *BufReader) Read(p []byte) (n int, err error) {
if len(p) == 0 {
return 0, b.readErr()
}
if b.available != -1 {
if b.available == 0 {
return 0, io.EOF
}
if len(p) > b.available {
p = p[:b.available]
}
}
if b.r == b.w {
if b.err != nil {
return 0, b.readErr()
}
if len(p) >= len(b.buf) {
// Large read, empty buffer.
// Read directly into p to avoid copy.
n, err = b.read(p)
if n > 0 {
b.changeAvailable(-n)
b.lastByte = int(p[n-1])
}
return n, err
}
// One read.
// Do not use b.fill, which will loop.
b.r = 0
b.w = 0
n, b.err = b.read(b.buf)
if n == 0 {
return 0, b.readErr()
}
b.w += n
}
// copy as much as we can
n = copy(p, b.Bytes())
b.r += n
b.changeAvailable(-n)
b.lastByte = int(b.buf[b.r-1])
return n, nil
}
// ReadSlice reads until the first occurrence of delim in the input,
// returning a slice pointing at the bytes in the buffer.
// The bytes stop being valid at the next read.
// If ReadSlice encounters an error before finding a delimiter,
// it returns all the data in the buffer and the error itself (often io.EOF).
// ReadSlice fails with error ErrBufferFull if the buffer fills without a delim.
// Because the data returned from ReadSlice will be overwritten
// by the next I/O operation, most clients should use
// ReadBytes or ReadString instead.
// ReadSlice returns err != nil if and only if line does not end in delim.
func (b *BufReader) ReadSlice(delim byte) (line []byte, err error) {
for {
// Search buffer.
if i := bytes.IndexByte(b.Bytes(), delim); i >= 0 {
i++
line = b.buf[b.r : b.r+i]
b.r += i
b.changeAvailable(-i)
break
}
// Pending error?
if b.err != nil {
line = b.flush()
err = b.readErr()
break
}
buffered := b.Buffered()
// Out of available.
if b.available != -1 && buffered >= b.available {
line = b.flush()
err = io.EOF
break
}
// Buffer full?
if buffered >= len(b.buf) {
line = b.flush()
err = bufio.ErrBufferFull
break
}
b.fill() // buffer is not full
}
// Handle last byte, if any.
if i := len(line) - 1; i >= 0 {
b.lastByte = int(line[i])
}
return line, err
}
func (b *BufReader) ReadBytes(fn func(byte) bool) (line []byte, err error) {
for {
for i, c := range b.Bytes() {
if !fn(c) {
i--
line = b.buf[b.r : b.r+i] //nolint
b.r += i
b.changeAvailable(-i)
break
}
}
// Pending error?
if b.err != nil {
line = b.flush()
err = b.readErr()
break
}
buffered := b.Buffered()
// Out of available.
if b.available != -1 && buffered >= b.available {
line = b.flush()
err = io.EOF
break
}
// Buffer full?
if buffered >= len(b.buf) {
line = b.flush()
err = bufio.ErrBufferFull
break
}
b.fill() // buffer is not full
}
// Handle last byte, if any.
if i := len(line) - 1; i >= 0 {
b.lastByte = int(line[i])
}
return line, err
}
func (b *BufReader) ReadByte() (byte, error) {
if b.available == 0 {
return 0, io.EOF
}
for b.r == b.w {
if b.err != nil {
return 0, b.readErr()
}
b.fill() // buffer is empty
}
c := b.buf[b.r]
b.r++
b.lastByte = int(c)
b.changeAvailable(-1)
return c, nil
}
func (b *BufReader) UnreadByte() error {
if b.lastByte < 0 || b.r == 0 && b.w > 0 {
return bufio.ErrInvalidUnreadByte
}
// b.r > 0 || b.w == 0
if b.r > 0 {
b.r--
} else {
// b.r == 0 && b.w == 0
b.w = 1
}
b.buf[b.r] = byte(b.lastByte)
b.lastByte = -1
b.changeAvailable(+1)
return nil
}
// Discard skips the next n bytes, returning the number of bytes discarded.
//
// If Discard skips fewer than n bytes, it also returns an error.
// If 0 <= n <= b.Buffered(), Discard is guaranteed to succeed without
// reading from the underlying io.BufReader.
func (b *BufReader) Discard(n int) (discarded int, err error) {
if n < 0 {
return 0, bufio.ErrNegativeCount
}
if n == 0 {
return
}
remain := n
for {
skip := b.Buffered()
if skip == 0 {
b.fill()
skip = b.Buffered()
}
if skip > remain {
skip = remain
}
b.r += skip
b.changeAvailable(-skip)
remain -= skip
if remain == 0 {
return n, nil
}
if b.err != nil {
return n - remain, b.readErr()
}
}
}
func (b *BufReader) ReadN(n int) (line []byte, err error) {
if n < 0 {
return nil, bufio.ErrNegativeCount
}
if n == 0 {
return
}
nn := n
if b.available != -1 && nn > b.available {
nn = b.available
}
for {
buffered := b.Buffered()
if buffered >= nn {
line = b.buf[b.r : b.r+nn]
b.r += nn
b.changeAvailable(-nn)
if n > nn {
err = io.EOF
}
break
}
// Pending error?
if b.err != nil {
line = b.flush()
err = b.readErr()
break
}
// Buffer full?
if buffered >= len(b.buf) {
line = b.flush()
err = bufio.ErrBufferFull
break
}
b.fill() // buffer is not full
}
// Handle last byte, if any.
if i := len(line) - 1; i >= 0 {
b.lastByte = int(line[i])
}
return line, err
}
func (b *BufReader) ReadFull() ([]byte, error) {
if b.available == -1 {
panic("not reached")
}
buf := make([]byte, b.available)
_, err := io.ReadFull(b, buf)
return buf, err
}
func (b *BufReader) ReadFullTemp() ([]byte, error) {
if b.available == -1 {
panic("not reached")
}
if b.available <= len(b.buf) {
return b.ReadN(b.available)
}
return b.ReadFull()
}
func (b *BufReader) read(buf []byte) (int, error) {
n, err := b.rd.Read(buf)
b.bytesRead += int64(n)
return n, err
}

121
vendor/github.com/go-pg/pg/v10/internal/pool/reader_bytes.go generated vendored
View file

@ -1,121 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pool
import (
"bytes"
"errors"
"io"
)
type BytesReader struct {
s []byte
i int
}
func NewBytesReader(b []byte) *BytesReader {
return &BytesReader{
s: b,
}
}
func (r *BytesReader) Reset(b []byte) {
r.s = b
r.i = 0
}
func (r *BytesReader) Buffered() int {
return len(r.s) - r.i
}
func (r *BytesReader) Bytes() []byte {
return r.s[r.i:]
}
func (r *BytesReader) Read(b []byte) (n int, err error) {
if r.i >= len(r.s) {
return 0, io.EOF
}
n = copy(b, r.s[r.i:])
r.i += n
return
}
func (r *BytesReader) ReadByte() (byte, error) {
if r.i >= len(r.s) {
return 0, io.EOF
}
b := r.s[r.i]
r.i++
return b, nil
}
func (r *BytesReader) UnreadByte() error {
if r.i <= 0 {
return errors.New("UnreadByte: at beginning of slice")
}
r.i--
return nil
}
func (r *BytesReader) ReadSlice(delim byte) ([]byte, error) {
if i := bytes.IndexByte(r.s[r.i:], delim); i >= 0 {
i++
line := r.s[r.i : r.i+i]
r.i += i
return line, nil
}
line := r.s[r.i:]
r.i = len(r.s)
return line, io.EOF
}
func (r *BytesReader) ReadBytes(fn func(byte) bool) ([]byte, error) {
for i, c := range r.s[r.i:] {
if !fn(c) {
i++
line := r.s[r.i : r.i+i]
r.i += i
return line, nil
}
}
line := r.s[r.i:]
r.i = len(r.s)
return line, io.EOF
}
func (r *BytesReader) Discard(n int) (int, error) {
b, err := r.ReadN(n)
return len(b), err
}
func (r *BytesReader) ReadN(n int) ([]byte, error) {
nn := n
if nn > len(r.s) {
nn = len(r.s)
}
b := r.s[r.i : r.i+nn]
r.i += nn
if n > nn {
return b, io.EOF
}
return b, nil
}
func (r *BytesReader) ReadFull() ([]byte, error) {
b := make([]byte, len(r.s)-r.i)
copy(b, r.s[r.i:])
r.i = len(r.s)
return b, nil
}
func (r *BytesReader) ReadFullTemp() ([]byte, error) {
b := r.s[r.i:]
r.i = len(r.s)
return b, nil
}

114
vendor/github.com/go-pg/pg/v10/internal/pool/write_buffer.go generated vendored
View file

@ -1,114 +0,0 @@
package pool
import (
"encoding/binary"
"io"
"sync"
)
const defaultBufSize = 65 << 10 // 65kb
var wbPool = sync.Pool{
New: func() interface{} {
return NewWriteBuffer()
},
}
func GetWriteBuffer() *WriteBuffer {
wb := wbPool.Get().(*WriteBuffer)
return wb
}
func PutWriteBuffer(wb *WriteBuffer) {
wb.Reset()
wbPool.Put(wb)
}
type WriteBuffer struct {
Bytes []byte
msgStart int
paramStart int
}
func NewWriteBuffer() *WriteBuffer {
return &WriteBuffer{
Bytes: make([]byte, 0, defaultBufSize),
}
}
func (buf *WriteBuffer) Reset() {
buf.Bytes = buf.Bytes[:0]
}
func (buf *WriteBuffer) StartMessage(c byte) {
if c == 0 {
buf.msgStart = len(buf.Bytes)
buf.Bytes = append(buf.Bytes, 0, 0, 0, 0)
} else {
buf.msgStart = len(buf.Bytes) + 1
buf.Bytes = append(buf.Bytes, c, 0, 0, 0, 0)
}
}
func (buf *WriteBuffer) FinishMessage() {
binary.BigEndian.PutUint32(
buf.Bytes[buf.msgStart:], uint32(len(buf.Bytes)-buf.msgStart))
}
func (buf *WriteBuffer) Query() []byte {
return buf.Bytes[buf.msgStart+4 : len(buf.Bytes)-1]
}
func (buf *WriteBuffer) StartParam() {
buf.paramStart = len(buf.Bytes)
buf.Bytes = append(buf.Bytes, 0, 0, 0, 0)
}
func (buf *WriteBuffer) FinishParam() {
binary.BigEndian.PutUint32(
buf.Bytes[buf.paramStart:], uint32(len(buf.Bytes)-buf.paramStart-4))
}
var nullParamLength = int32(-1)
func (buf *WriteBuffer) FinishNullParam() {
binary.BigEndian.PutUint32(
buf.Bytes[buf.paramStart:], uint32(nullParamLength))
}
func (buf *WriteBuffer) Write(b []byte) (int, error) {
buf.Bytes = append(buf.Bytes, b...)
return len(b), nil
}
func (buf *WriteBuffer) WriteInt16(num int16) {
buf.Bytes = append(buf.Bytes, 0, 0)
binary.BigEndian.PutUint16(buf.Bytes[len(buf.Bytes)-2:], uint16(num))
}
func (buf *WriteBuffer) WriteInt32(num int32) {
buf.Bytes = append(buf.Bytes, 0, 0, 0, 0)
binary.BigEndian.PutUint32(buf.Bytes[len(buf.Bytes)-4:], uint32(num))
}
func (buf *WriteBuffer) WriteString(s string) {
buf.Bytes = append(buf.Bytes, s...)
buf.Bytes = append(buf.Bytes, 0)
}
func (buf *WriteBuffer) WriteBytes(b []byte) {
buf.Bytes = append(buf.Bytes, b...)
buf.Bytes = append(buf.Bytes, 0)
}
func (buf *WriteBuffer) WriteByte(c byte) error {
buf.Bytes = append(buf.Bytes, c)
return nil
}
func (buf *WriteBuffer) ReadFrom(r io.Reader) (int64, error) {
n, err := r.Read(buf.Bytes[len(buf.Bytes):cap(buf.Bytes)])
buf.Bytes = buf.Bytes[:len(buf.Bytes)+n]
return int64(n), err
}

19
vendor/github.com/go-pg/pg/v10/internal/strconv.go generated vendored
View file

@ -1,19 +0,0 @@
package internal
import "strconv"
func Atoi(b []byte) (int, error) {
return strconv.Atoi(BytesToString(b))
}
func ParseInt(b []byte, base int, bitSize int) (int64, error) {
return strconv.ParseInt(BytesToString(b), base, bitSize)
}
func ParseUint(b []byte, base int, bitSize int) (uint64, error) {
return strconv.ParseUint(BytesToString(b), base, bitSize)
}
func ParseFloat(b []byte, bitSize int) (float64, error) {
return strconv.ParseFloat(BytesToString(b), bitSize)
}

22
vendor/github.com/go-pg/pg/v10/internal/unsafe.go generated vendored
View file

@ -1,22 +0,0 @@
// +build !appengine
package internal
import (
"unsafe"
)
// BytesToString converts byte slice to string.
func BytesToString(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
// StringToBytes converts string to byte slice.
func StringToBytes(s string) []byte {
return *(*[]byte)(unsafe.Pointer(
&struct {
string
Cap int
}{s, len(s)},
))
}

414
vendor/github.com/go-pg/pg/v10/listener.go generated vendored
View file

@ -1,414 +0,0 @@
package pg
import (
"context"
"errors"
"fmt"
"strings"
"sync"
"time"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/types"
)
const gopgChannel = "gopg:ping"
var (
errListenerClosed = errors.New("pg: listener is closed")
errPingTimeout = errors.New("pg: ping timeout")
)
// Notification which is received with LISTEN command.
type Notification struct {
Channel string
Payload string
}
// Listener listens for notifications sent with NOTIFY command.
// It's NOT safe for concurrent use by multiple goroutines
// except the Channel API.
type Listener struct {
db *DB
channels []string
mu sync.Mutex
cn *pool.Conn
exit chan struct{}
closed bool
chOnce sync.Once
ch chan Notification
pingCh chan struct{}
}
func (ln *Listener) String() string {
ln.mu.Lock()
defer ln.mu.Unlock()
return fmt.Sprintf("Listener(%s)", strings.Join(ln.channels, ", "))
}
func (ln *Listener) init() {
ln.exit = make(chan struct{})
}
func (ln *Listener) connWithLock(ctx context.Context) (*pool.Conn, error) {
ln.mu.Lock()
cn, err := ln.conn(ctx)
ln.mu.Unlock()
switch err {
case nil:
return cn, nil
case errListenerClosed:
return nil, err
case pool.ErrClosed:
_ = ln.Close()
return nil, errListenerClosed
default:
internal.Logger.Printf(ctx, "pg: Listen failed: %s", err)
return nil, err
}
}
func (ln *Listener) conn(ctx context.Context) (*pool.Conn, error) {
if ln.closed {
return nil, errListenerClosed
}
if ln.cn != nil {
return ln.cn, nil
}
cn, err := ln.db.pool.NewConn(ctx)
if err != nil {
return nil, err
}
if err := ln.db.initConn(ctx, cn); err != nil {
_ = ln.db.pool.CloseConn(cn)
return nil, err
}
cn.LockReader()
if len(ln.channels) > 0 {
err := ln.listen(ctx, cn, ln.channels...)
if err != nil {
_ = ln.db.pool.CloseConn(cn)
return nil, err
}
}
ln.cn = cn
return cn, nil
}
func (ln *Listener) releaseConn(ctx context.Context, cn *pool.Conn, err error, allowTimeout bool) {
ln.mu.Lock()
if ln.cn == cn {
if isBadConn(err, allowTimeout) {
ln.reconnect(ctx, err)
}
}
ln.mu.Unlock()
}
func (ln *Listener) reconnect(ctx context.Context, reason error) {
_ = ln.closeTheCn(reason)
_, _ = ln.conn(ctx)
}
func (ln *Listener) closeTheCn(reason error) error {
if ln.cn == nil {
return nil
}
if !ln.closed {
internal.Logger.Printf(ln.db.ctx, "pg: discarding bad listener connection: %s", reason)
}
err := ln.db.pool.CloseConn(ln.cn)
ln.cn = nil
return err
}
// Close closes the listener, releasing any open resources.
func (ln *Listener) Close() error {
ln.mu.Lock()
defer ln.mu.Unlock()
if ln.closed {
return errListenerClosed
}
ln.closed = true
close(ln.exit)
return ln.closeTheCn(errListenerClosed)
}
// Listen starts listening for notifications on channels.
func (ln *Listener) Listen(ctx context.Context, channels ...string) error {
// Always append channels so DB.Listen works correctly.
ln.mu.Lock()
ln.channels = appendIfNotExists(ln.channels, channels...)
ln.mu.Unlock()
cn, err := ln.connWithLock(ctx)
if err != nil {
return err
}
if err := ln.listen(ctx, cn, channels...); err != nil {
ln.releaseConn(ctx, cn, err, false)
return err
}
return nil
}
func (ln *Listener) listen(ctx context.Context, cn *pool.Conn, channels ...string) error {
err := cn.WithWriter(ctx, ln.db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
for _, channel := range channels {
if err := writeQueryMsg(wb, ln.db.fmter, "LISTEN ?", pgChan(channel)); err != nil {
return err
}
}
return nil
})
return err
}
// Unlisten stops listening for notifications on channels.
func (ln *Listener) Unlisten(ctx context.Context, channels ...string) error {
ln.mu.Lock()
ln.channels = removeIfExists(ln.channels, channels...)
ln.mu.Unlock()
cn, err := ln.conn(ctx)
if err != nil {
return err
}
if err := ln.unlisten(ctx, cn, channels...); err != nil {
ln.releaseConn(ctx, cn, err, false)
return err
}
return nil
}
func (ln *Listener) unlisten(ctx context.Context, cn *pool.Conn, channels ...string) error {
err := cn.WithWriter(ctx, ln.db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
for _, channel := range channels {
if err := writeQueryMsg(wb, ln.db.fmter, "UNLISTEN ?", pgChan(channel)); err != nil {
return err
}
}
return nil
})
return err
}
// Receive indefinitely waits for a notification. This is low-level API
// and in most cases Channel should be used instead.
func (ln *Listener) Receive(ctx context.Context) (channel string, payload string, err error) {
return ln.ReceiveTimeout(ctx, 0)
}
// ReceiveTimeout waits for a notification until timeout is reached.
// This is low-level API and in most cases Channel should be used instead.
func (ln *Listener) ReceiveTimeout(
ctx context.Context, timeout time.Duration,
) (channel, payload string, err error) {
cn, err := ln.connWithLock(ctx)
if err != nil {
return "", "", err
}
err = cn.WithReader(ctx, timeout, func(rd *pool.ReaderContext) error {
channel, payload, err = readNotification(rd)
return err
})
if err != nil {
ln.releaseConn(ctx, cn, err, timeout > 0)
return "", "", err
}
return channel, payload, nil
}
// Channel returns a channel for concurrently receiving notifications.
// It periodically sends Ping notification to test connection health.
//
// The channel is closed with Listener. Receive* APIs can not be used
// after channel is created.
func (ln *Listener) Channel() <-chan Notification {
return ln.channel(100)
}
// ChannelSize is like Channel, but creates a Go channel
// with specified buffer size.
func (ln *Listener) ChannelSize(size int) <-chan Notification {
return ln.channel(size)
}
func (ln *Listener) channel(size int) <-chan Notification {
ln.chOnce.Do(func() {
ln.initChannel(size)
})
if cap(ln.ch) != size {
err := fmt.Errorf("pg: Listener.Channel is called with different buffer size")
panic(err)
}
return ln.ch
}
func (ln *Listener) initChannel(size int) {
const pingTimeout = time.Second
const chanSendTimeout = time.Minute
ctx := ln.db.ctx
_ = ln.Listen(ctx, gopgChannel)
ln.ch = make(chan Notification, size)
ln.pingCh = make(chan struct{}, 1)
go func() {
timer := time.NewTimer(time.Minute)
timer.Stop()
var errCount int
for {
channel, payload, err := ln.Receive(ctx)
if err != nil {
if err == errListenerClosed {
close(ln.ch)
return
}
if errCount > 0 {
time.Sleep(500 * time.Millisecond)
}
errCount++
continue
}
errCount = 0
// Any notification is as good as a ping.
select {
case ln.pingCh <- struct{}{}:
default:
}
switch channel {
case gopgChannel:
// ignore
default:
timer.Reset(chanSendTimeout)
select {
case ln.ch <- Notification{channel, payload}:
if !timer.Stop() {
<-timer.C
}
case <-timer.C:
internal.Logger.Printf(
ctx,
"pg: %s channel is full for %s (notification is dropped)",
ln,
chanSendTimeout,
)
}
}
}
}()
go func() {
timer := time.NewTimer(time.Minute)
timer.Stop()
healthy := true
for {
timer.Reset(pingTimeout)
select {
case <-ln.pingCh:
healthy = true
if !timer.Stop() {
<-timer.C
}
case <-timer.C:
pingErr := ln.ping()
if healthy {
healthy = false
} else {
if pingErr == nil {
pingErr = errPingTimeout
}
ln.mu.Lock()
ln.reconnect(ctx, pingErr)
ln.mu.Unlock()
}
case <-ln.exit:
return
}
}
}()
}
func (ln *Listener) ping() error {
_, err := ln.db.Exec("NOTIFY ?", pgChan(gopgChannel))
return err
}
func appendIfNotExists(ss []string, es ...string) []string {
loop:
for _, e := range es {
for _, s := range ss {
if s == e {
continue loop
}
}
ss = append(ss, e)
}
return ss
}
func removeIfExists(ss []string, es ...string) []string {
for _, e := range es {
for i, s := range ss {
if s == e {
last := len(ss) - 1
ss[i] = ss[last]
ss = ss[:last]
break
}
}
}
return ss
}
type pgChan string
var _ types.ValueAppender = pgChan("")
func (ch pgChan) AppendValue(b []byte, quote int) ([]byte, error) {
if quote == 0 {
return append(b, ch...), nil
}
b = append(b, '"')
for _, c := range []byte(ch) {
if c == '"' {
b = append(b, '"', '"')
} else {
b = append(b, c)
}
}
b = append(b, '"')
return b, nil
}

1390
vendor/github.com/go-pg/pg/v10/messages.go generated vendored
View file

File diff suppressed because it is too large Load diff

277
vendor/github.com/go-pg/pg/v10/options.go generated vendored
View file

@ -1,277 +0,0 @@
package pg
import (
"context"
"crypto/tls"
"errors"
"fmt"
"net"
"net/url"
"os"
"runtime"
"strconv"
"strings"
"time"
"github.com/go-pg/pg/v10/internal/pool"
)
// Options contains database connection options.
type Options struct {
// Network type, either tcp or unix.
// Default is tcp.
Network string
// TCP host:port or Unix socket depending on Network.
Addr string
// Dialer creates new network connection and has priority over
// Network and Addr options.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
// Hook that is called after new connection is established
// and user is authenticated.
OnConnect func(ctx context.Context, cn *Conn) error
User string
Password string
Database string
// ApplicationName is the application name. Used in logs on Pg side.
// Only available from pg-9.0.
ApplicationName string
// TLS config for secure connections.
TLSConfig *tls.Config
// Dial timeout for establishing new connections.
// Default is 5 seconds.
DialTimeout time.Duration
// Timeout for socket reads. If reached, commands will fail
// with a timeout instead of blocking.
ReadTimeout time.Duration
// Timeout for socket writes. If reached, commands will fail
// with a timeout instead of blocking.
WriteTimeout time.Duration
// Maximum number of retries before giving up.
// Default is to not retry failed queries.
MaxRetries int
// Whether to retry queries cancelled because of statement_timeout.
RetryStatementTimeout bool
// Minimum backoff between each retry.
// Default is 250 milliseconds; -1 disables backoff.
MinRetryBackoff time.Duration
// Maximum backoff between each retry.
// Default is 4 seconds; -1 disables backoff.
MaxRetryBackoff time.Duration
// Maximum number of socket connections.
// Default is 10 connections per every CPU as reported by runtime.NumCPU.
PoolSize int
// Minimum number of idle connections which is useful when establishing
// new connection is slow.
MinIdleConns int
// Connection age at which client retires (closes) the connection.
// It is useful with proxies like PgBouncer and HAProxy.
// Default is to not close aged connections.
MaxConnAge time.Duration
// Time for which client waits for free connection if all
// connections are busy before returning an error.
// Default is 30 seconds if ReadTimeOut is not defined, otherwise,
// ReadTimeout + 1 second.
PoolTimeout time.Duration
// Amount of time after which client closes idle connections.
// Should be less than server's timeout.
// Default is 5 minutes. -1 disables idle timeout check.
IdleTimeout time.Duration
// Frequency of idle checks made by idle connections reaper.
// Default is 1 minute. -1 disables idle connections reaper,
// but idle connections are still discarded by the client
// if IdleTimeout is set.
IdleCheckFrequency time.Duration
}
func (opt *Options) init() {
if opt.Network == "" {
opt.Network = "tcp"
}
if opt.Addr == "" {
switch opt.Network {
case "tcp":
host := env("PGHOST", "localhost")
port := env("PGPORT", "5432")
opt.Addr = fmt.Sprintf("%s:%s", host, port)
case "unix":
opt.Addr = "/var/run/postgresql/.s.PGSQL.5432"
}
}
if opt.DialTimeout == 0 {
opt.DialTimeout = 5 * time.Second
}
if opt.Dialer == nil {
opt.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
netDialer := &net.Dialer{
Timeout: opt.DialTimeout,
KeepAlive: 5 * time.Minute,
}
return netDialer.DialContext(ctx, network, addr)
}
}
if opt.User == "" {
opt.User = env("PGUSER", "postgres")
}
if opt.Database == "" {
opt.Database = env("PGDATABASE", "postgres")
}
if opt.PoolSize == 0 {
opt.PoolSize = 10 * runtime.NumCPU()
}
if opt.PoolTimeout == 0 {
if opt.ReadTimeout != 0 {
opt.PoolTimeout = opt.ReadTimeout + time.Second
} else {
opt.PoolTimeout = 30 * time.Second
}
}
if opt.IdleTimeout == 0 {
opt.IdleTimeout = 5 * time.Minute
}
if opt.IdleCheckFrequency == 0 {
opt.IdleCheckFrequency = time.Minute
}
switch opt.MinRetryBackoff {
case -1:
opt.MinRetryBackoff = 0
case 0:
opt.MinRetryBackoff = 250 * time.Millisecond
}
switch opt.MaxRetryBackoff {
case -1:
opt.MaxRetryBackoff = 0
case 0:
opt.MaxRetryBackoff = 4 * time.Second
}
}
func env(key, defValue string) string {
envValue := os.Getenv(key)
if envValue != "" {
return envValue
}
return defValue
}
// ParseURL parses an URL into options that can be used to connect to PostgreSQL.
func ParseURL(sURL string) (*Options, error) {
parsedURL, err := url.Parse(sURL)
if err != nil {
return nil, err
}
// scheme
if parsedURL.Scheme != "postgres" && parsedURL.Scheme != "postgresql" {
return nil, errors.New("pg: invalid scheme: " + parsedURL.Scheme)
}
// host and port
options := &Options{
Addr: parsedURL.Host,
}
if !strings.Contains(options.Addr, ":") {
options.Addr += ":5432"
}
// username and password
if parsedURL.User != nil {
options.User = parsedURL.User.Username()
if password, ok := parsedURL.User.Password(); ok {
options.Password = password
}
}
if options.User == "" {
options.User = "postgres"
}
// database
if len(strings.Trim(parsedURL.Path, "/")) > 0 {
options.Database = parsedURL.Path[1:]
} else {
return nil, errors.New("pg: database name not provided")
}
// ssl mode
query, err := url.ParseQuery(parsedURL.RawQuery)
if err != nil {
return nil, err
}
if sslMode, ok := query["sslmode"]; ok && len(sslMode) > 0 {
switch sslMode[0] {
case "verify-ca", "verify-full":
options.TLSConfig = &tls.Config{}
case "allow", "prefer", "require":
options.TLSConfig = &tls.Config{InsecureSkipVerify: true} //nolint
case "disable":
options.TLSConfig = nil
default:
return nil, fmt.Errorf("pg: sslmode '%v' is not supported", sslMode[0])
}
} else {
options.TLSConfig = &tls.Config{InsecureSkipVerify: true} //nolint
}
delete(query, "sslmode")
if appName, ok := query["application_name"]; ok && len(appName) > 0 {
options.ApplicationName = appName[0]
}
delete(query, "application_name")
if connTimeout, ok := query["connect_timeout"]; ok && len(connTimeout) > 0 {
ct, err := strconv.Atoi(connTimeout[0])
if err != nil {
return nil, fmt.Errorf("pg: cannot parse connect_timeout option as int")
}
options.DialTimeout = time.Second * time.Duration(ct)
}
delete(query, "connect_timeout")
if len(query) > 0 {
return nil, errors.New("pg: options other than 'sslmode', 'application_name' and 'connect_timeout' are not supported")
}
return options, nil
}
func (opt *Options) getDialer() func(context.Context) (net.Conn, error) {
return func(ctx context.Context) (net.Conn, error) {
return opt.Dialer(ctx, opt.Network, opt.Addr)
}
}
func newConnPool(opt *Options) *pool.ConnPool {
return pool.NewConnPool(&pool.Options{
Dialer: opt.getDialer(),
OnClose: terminateConn,
PoolSize: opt.PoolSize,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
})
}

100
vendor/github.com/go-pg/pg/v10/orm/composite.go generated vendored
View file

@ -1,100 +0,0 @@
package orm
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/types"
)
func compositeScanner(typ reflect.Type) types.ScannerFunc {
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
}
var table *Table
return func(v reflect.Value, rd types.Reader, n int) error {
if n == -1 {
v.Set(reflect.Zero(v.Type()))
return nil
}
if table == nil {
table = GetTable(typ)
}
if v.Kind() == reflect.Ptr {
if v.IsNil() {
v.Set(reflect.New(v.Type().Elem()))
}
v = v.Elem()
}
p := newCompositeParser(rd)
var elemReader *pool.BytesReader
var firstErr error
for i := 0; ; i++ {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfComposite {
break
}
return err
}
if i >= len(table.Fields) {
if firstErr == nil {
firstErr = fmt.Errorf(
"pg: %s has %d fields, but composite requires at least %d values",
table, len(table.Fields), i)
}
continue
}
if elemReader == nil {
elemReader = pool.NewBytesReader(elem)
} else {
elemReader.Reset(elem)
}
field := table.Fields[i]
if elem == nil {
err = field.ScanValue(v, elemReader, -1)
} else {
err = field.ScanValue(v, elemReader, len(elem))
}
if err != nil && firstErr == nil {
firstErr = err
}
}
return firstErr
}
}
func compositeAppender(typ reflect.Type) types.AppenderFunc {
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
}
var table *Table
return func(b []byte, v reflect.Value, quote int) []byte {
if table == nil {
table = GetTable(typ)
}
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
b = append(b, "ROW("...)
for i, f := range table.Fields {
if i > 0 {
b = append(b, ',')
}
b = f.AppendValue(b, v, quote)
}
b = append(b, ')')
return b
}
}

89
vendor/github.com/go-pg/pg/v10/orm/composite_create.go generated vendored
View file

@ -1,89 +0,0 @@
package orm
import (
"strconv"
)
type CreateCompositeOptions struct {
Varchar int // replaces PostgreSQL data type `text` with `varchar(n)`
}
type CreateCompositeQuery struct {
q *Query
opt *CreateCompositeOptions
}
var (
_ QueryAppender = (*CreateCompositeQuery)(nil)
_ QueryCommand = (*CreateCompositeQuery)(nil)
)
func NewCreateCompositeQuery(q *Query, opt *CreateCompositeOptions) *CreateCompositeQuery {
return &CreateCompositeQuery{
q: q,
opt: opt,
}
}
func (q *CreateCompositeQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *CreateCompositeQuery) Operation() QueryOp {
return CreateCompositeOp
}
func (q *CreateCompositeQuery) Clone() QueryCommand {
return &CreateCompositeQuery{
q: q.q.Clone(),
opt: q.opt,
}
}
func (q *CreateCompositeQuery) Query() *Query {
return q.q
}
func (q *CreateCompositeQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *CreateCompositeQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if q.q.tableModel == nil {
return nil, errModelNil
}
table := q.q.tableModel.Table()
b = append(b, "CREATE TYPE "...)
b = append(b, table.Alias...)
b = append(b, " AS ("...)
for i, field := range table.Fields {
if i > 0 {
b = append(b, ", "...)
}
b = append(b, field.Column...)
b = append(b, " "...)
if field.UserSQLType == "" && q.opt != nil && q.opt.Varchar > 0 &&
field.SQLType == "text" {
b = append(b, "varchar("...)
b = strconv.AppendInt(b, int64(q.opt.Varchar), 10)
b = append(b, ")"...)
} else {
b = append(b, field.SQLType...)
}
}
b = append(b, ")"...)
return b, q.q.stickyErr
}

70
vendor/github.com/go-pg/pg/v10/orm/composite_drop.go generated vendored
View file

@ -1,70 +0,0 @@
package orm
type DropCompositeOptions struct {
IfExists bool
Cascade bool
}
type DropCompositeQuery struct {
q *Query
opt *DropCompositeOptions
}
var (
_ QueryAppender = (*DropCompositeQuery)(nil)
_ QueryCommand = (*DropCompositeQuery)(nil)
)
func NewDropCompositeQuery(q *Query, opt *DropCompositeOptions) *DropCompositeQuery {
return &DropCompositeQuery{
q: q,
opt: opt,
}
}
func (q *DropCompositeQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *DropCompositeQuery) Operation() QueryOp {
return DropCompositeOp
}
func (q *DropCompositeQuery) Clone() QueryCommand {
return &DropCompositeQuery{
q: q.q.Clone(),
opt: q.opt,
}
}
func (q *DropCompositeQuery) Query() *Query {
return q.q
}
func (q *DropCompositeQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *DropCompositeQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if q.q.tableModel == nil {
return nil, errModelNil
}
b = append(b, "DROP TYPE "...)
if q.opt != nil && q.opt.IfExists {
b = append(b, "IF EXISTS "...)
}
b = append(b, q.q.tableModel.Table().Alias...)
if q.opt != nil && q.opt.Cascade {
b = append(b, " CASCADE"...)
}
return b, q.q.stickyErr
}

140
vendor/github.com/go-pg/pg/v10/orm/composite_parser.go generated vendored
View file

@ -1,140 +0,0 @@
package orm
import (
"bufio"
"errors"
"fmt"
"io"
"github.com/go-pg/pg/v10/internal/parser"
"github.com/go-pg/pg/v10/types"
)
var errEndOfComposite = errors.New("pg: end of composite")
type compositeParser struct {
p parser.StreamingParser
stickyErr error
}
func newCompositeParserErr(err error) *compositeParser {
return &compositeParser{
stickyErr: err,
}
}
func newCompositeParser(rd types.Reader) *compositeParser {
p := parser.NewStreamingParser(rd)
err := p.SkipByte('(')
if err != nil {
return newCompositeParserErr(err)
}
return &compositeParser{
p: p,
}
}
func (p *compositeParser) NextElem() ([]byte, error) {
if p.stickyErr != nil {
return nil, p.stickyErr
}
c, err := p.p.ReadByte()
if err != nil {
if err == io.EOF {
return nil, errEndOfComposite
}
return nil, err
}
switch c {
case '"':
return p.readQuoted()
case ',':
return nil, nil
case ')':
return nil, errEndOfComposite
default:
_ = p.p.UnreadByte()
}
var b []byte
for {
tmp, err := p.p.ReadSlice(',')
if err == nil {
if b == nil {
b = tmp
} else {
b = append(b, tmp...)
}
b = b[:len(b)-1]
break
}
b = append(b, tmp...)
if err == bufio.ErrBufferFull {
continue
}
if err == io.EOF {
if b[len(b)-1] == ')' {
b = b[:len(b)-1]
break
}
}
return nil, err
}
if len(b) == 0 { // NULL
return nil, nil
}
return b, nil
}
func (p *compositeParser) readQuoted() ([]byte, error) {
var b []byte
c, err := p.p.ReadByte()
if err != nil {
return nil, err
}
for {
next, err := p.p.ReadByte()
if err != nil {
return nil, err
}
if c == '\\' || c == '\'' {
if next == c {
b = append(b, c)
c, err = p.p.ReadByte()
if err != nil {
return nil, err
}
} else {
b = append(b, c)
c = next
}
continue
}
if c == '"' {
switch next {
case '"':
b = append(b, '"')
c, err = p.p.ReadByte()
if err != nil {
return nil, err
}
case ',', ')':
return b, nil
default:
return nil, fmt.Errorf("pg: got %q, wanted ',' or ')'", c)
}
continue
}
b = append(b, c)
c = next
}
}

90
vendor/github.com/go-pg/pg/v10/orm/count_estimate.go generated vendored
View file

@ -1,90 +0,0 @@
package orm
import (
"fmt"
"github.com/go-pg/pg/v10/internal"
)
// Placeholder that is replaced with count(*).
const placeholder = `'_go_pg_placeholder'`
// https://wiki.postgresql.org/wiki/Count_estimate
//nolint
var pgCountEstimateFunc = fmt.Sprintf(`
CREATE OR REPLACE FUNCTION _go_pg_count_estimate_v2(query text, threshold int)
RETURNS int AS $$
DECLARE
rec record;
nrows int;
BEGIN
FOR rec IN EXECUTE 'EXPLAIN ' || query LOOP
nrows := substring(rec."QUERY PLAN" FROM ' rows=(\d+)');
EXIT WHEN nrows IS NOT NULL;
END LOOP;
-- Return the estimation if there are too many rows.
IF nrows > threshold THEN
RETURN nrows;
END IF;
-- Otherwise execute real count query.
query := replace(query, 'SELECT '%s'', 'SELECT count(*)');
EXECUTE query INTO nrows;
IF nrows IS NULL THEN
nrows := 0;
END IF;
RETURN nrows;
END;
$$ LANGUAGE plpgsql;
`, placeholder)
// CountEstimate uses EXPLAIN to get estimated number of rows returned the query.
// If that number is bigger than the threshold it returns the estimation.
// Otherwise it executes another query using count aggregate function and
// returns the result.
//
// Based on https://wiki.postgresql.org/wiki/Count_estimate
func (q *Query) CountEstimate(threshold int) (int, error) {
if q.stickyErr != nil {
return 0, q.stickyErr
}
query, err := q.countSelectQuery(placeholder).AppendQuery(q.db.Formatter(), nil)
if err != nil {
return 0, err
}
for i := 0; i < 3; i++ {
var count int
_, err = q.db.QueryOneContext(
q.ctx,
Scan(&count),
"SELECT _go_pg_count_estimate_v2(?, ?)",
string(query), threshold,
)
if err != nil {
if pgerr, ok := err.(internal.PGError); ok && pgerr.Field('C') == "42883" {
// undefined_function
err = q.createCountEstimateFunc()
if err != nil {
pgerr, ok := err.(internal.PGError)
if !ok || !pgerr.IntegrityViolation() {
return 0, err
}
}
continue
}
}
return count, err
}
return 0, err
}
func (q *Query) createCountEstimateFunc() error {
_, err := q.db.ExecContext(q.ctx, pgCountEstimateFunc)
return err
}

158
vendor/github.com/go-pg/pg/v10/orm/delete.go generated vendored
View file

@ -1,158 +0,0 @@
package orm
import (
"reflect"
"github.com/go-pg/pg/v10/types"
)
type DeleteQuery struct {
q *Query
placeholder bool
}
var (
_ QueryAppender = (*DeleteQuery)(nil)
_ QueryCommand = (*DeleteQuery)(nil)
)
func NewDeleteQuery(q *Query) *DeleteQuery {
return &DeleteQuery{
q: q,
}
}
func (q *DeleteQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *DeleteQuery) Operation() QueryOp {
return DeleteOp
}
func (q *DeleteQuery) Clone() QueryCommand {
return &DeleteQuery{
q: q.q.Clone(),
placeholder: q.placeholder,
}
}
func (q *DeleteQuery) Query() *Query {
return q.q
}
func (q *DeleteQuery) AppendTemplate(b []byte) ([]byte, error) {
cp := q.Clone().(*DeleteQuery)
cp.placeholder = true
return cp.AppendQuery(dummyFormatter{}, b)
}
func (q *DeleteQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if len(q.q.with) > 0 {
b, err = q.q.appendWith(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, "DELETE FROM "...)
b, err = q.q.appendFirstTableWithAlias(fmter, b)
if err != nil {
return nil, err
}
if q.q.hasMultiTables() {
b = append(b, " USING "...)
b, err = q.q.appendOtherTables(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, " WHERE "...)
value := q.q.tableModel.Value()
if q.q.isSliceModelWithData() {
if len(q.q.where) > 0 {
b, err = q.q.appendWhere(fmter, b)
if err != nil {
return nil, err
}
} else {
table := q.q.tableModel.Table()
err = table.checkPKs()
if err != nil {
return nil, err
}
b = appendColumnAndSliceValue(fmter, b, value, table.Alias, table.PKs)
}
} else {
b, err = q.q.mustAppendWhere(fmter, b)
if err != nil {
return nil, err
}
}
if len(q.q.returning) > 0 {
b, err = q.q.appendReturning(fmter, b)
if err != nil {
return nil, err
}
}
return b, q.q.stickyErr
}
func appendColumnAndSliceValue(
fmter QueryFormatter, b []byte, slice reflect.Value, alias types.Safe, fields []*Field,
) []byte {
if len(fields) > 1 {
b = append(b, '(')
}
b = appendColumns(b, alias, fields)
if len(fields) > 1 {
b = append(b, ')')
}
b = append(b, " IN ("...)
isPlaceholder := isTemplateFormatter(fmter)
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
if i > 0 {
b = append(b, ", "...)
}
el := indirect(slice.Index(i))
if len(fields) > 1 {
b = append(b, '(')
}
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
if isPlaceholder {
b = append(b, '?')
} else {
b = f.AppendValue(b, el, 1)
}
}
if len(fields) > 1 {
b = append(b, ')')
}
}
b = append(b, ')')
return b
}

146
vendor/github.com/go-pg/pg/v10/orm/field.go generated vendored
View file

@ -1,146 +0,0 @@
package orm
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/types"
"github.com/go-pg/zerochecker"
)
const (
PrimaryKeyFlag = uint8(1) << iota
ForeignKeyFlag
NotNullFlag
UseZeroFlag
UniqueFlag
ArrayFlag
)
type Field struct {
Field reflect.StructField
Type reflect.Type
Index []int
GoName string // struct field name, e.g. Id
SQLName string // SQL name, .e.g. id
Column types.Safe // escaped SQL name, e.g. "id"
SQLType string
UserSQLType string
Default types.Safe
OnDelete string
OnUpdate string
flags uint8
append types.AppenderFunc
scan types.ScannerFunc
isZero zerochecker.Func
}
func indexEqual(ind1, ind2 []int) bool {
if len(ind1) != len(ind2) {
return false
}
for i, ind := range ind1 {
if ind != ind2[i] {
return false
}
}
return true
}
func (f *Field) Clone() *Field {
cp := *f
cp.Index = cp.Index[:len(f.Index):len(f.Index)]
return &cp
}
func (f *Field) setFlag(flag uint8) {
f.flags |= flag
}
func (f *Field) hasFlag(flag uint8) bool {
return f.flags&flag != 0
}
func (f *Field) Value(strct reflect.Value) reflect.Value {
return fieldByIndexAlloc(strct, f.Index)
}
func (f *Field) HasZeroValue(strct reflect.Value) bool {
return f.hasZeroValue(strct, f.Index)
}
func (f *Field) hasZeroValue(v reflect.Value, index []int) bool {
for _, idx := range index {
if v.Kind() == reflect.Ptr {
if v.IsNil() {
return true
}
v = v.Elem()
}
v = v.Field(idx)
}
return f.isZero(v)
}
func (f *Field) NullZero() bool {
return !f.hasFlag(UseZeroFlag)
}
func (f *Field) AppendValue(b []byte, strct reflect.Value, quote int) []byte {
fv, ok := fieldByIndex(strct, f.Index)
if !ok {
return types.AppendNull(b, quote)
}
if f.NullZero() && f.isZero(fv) {
return types.AppendNull(b, quote)
}
if f.append == nil {
panic(fmt.Errorf("pg: AppendValue(unsupported %s)", fv.Type()))
}
return f.append(b, fv, quote)
}
func (f *Field) ScanValue(strct reflect.Value, rd types.Reader, n int) error {
if f.scan == nil {
return fmt.Errorf("pg: ScanValue(unsupported %s)", f.Type)
}
var fv reflect.Value
if n == -1 {
var ok bool
fv, ok = fieldByIndex(strct, f.Index)
if !ok {
return nil
}
} else {
fv = fieldByIndexAlloc(strct, f.Index)
}
return f.scan(fv, rd, n)
}
type Method struct {
Index int
flags int8
appender func([]byte, reflect.Value, int) []byte
}
func (m *Method) Has(flag int8) bool {
return m.flags&flag != 0
}
func (m *Method) Value(strct reflect.Value) reflect.Value {
return strct.Method(m.Index).Call(nil)[0]
}
func (m *Method) AppendValue(dst []byte, strct reflect.Value, quote int) []byte {
mv := m.Value(strct)
return m.appender(dst, mv, quote)
}

333
vendor/github.com/go-pg/pg/v10/orm/format.go generated vendored
View file

@ -1,333 +0,0 @@
package orm
import (
"bytes"
"fmt"
"sort"
"strconv"
"strings"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/parser"
"github.com/go-pg/pg/v10/types"
)
var defaultFmter = NewFormatter()
type queryWithSepAppender interface {
QueryAppender
AppendSep([]byte) []byte
}
//------------------------------------------------------------------------------
type SafeQueryAppender struct {
query string
params []interface{}
}
var (
_ QueryAppender = (*SafeQueryAppender)(nil)
_ types.ValueAppender = (*SafeQueryAppender)(nil)
)
//nolint
func SafeQuery(query string, params ...interface{}) *SafeQueryAppender {
return &SafeQueryAppender{query, params}
}
func (q *SafeQueryAppender) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
return fmter.FormatQuery(b, q.query, q.params...), nil
}
func (q *SafeQueryAppender) AppendValue(b []byte, quote int) ([]byte, error) {
return q.AppendQuery(defaultFmter, b)
}
func (q *SafeQueryAppender) Value() types.Safe {
b, err := q.AppendValue(nil, 1)
if err != nil {
return types.Safe(err.Error())
}
return types.Safe(internal.BytesToString(b))
}
//------------------------------------------------------------------------------
type condGroupAppender struct {
sep string
cond []queryWithSepAppender
}
var (
_ QueryAppender = (*condAppender)(nil)
_ queryWithSepAppender = (*condAppender)(nil)
)
func (q *condGroupAppender) AppendSep(b []byte) []byte {
return append(b, q.sep...)
}
func (q *condGroupAppender) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
b = append(b, '(')
for i, app := range q.cond {
if i > 0 {
b = app.AppendSep(b)
}
b, err = app.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, ')')
return b, nil
}
//------------------------------------------------------------------------------
type condAppender struct {
sep string
cond string
params []interface{}
}
var (
_ QueryAppender = (*condAppender)(nil)
_ queryWithSepAppender = (*condAppender)(nil)
)
func (q *condAppender) AppendSep(b []byte) []byte {
return append(b, q.sep...)
}
func (q *condAppender) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
b = append(b, '(')
b = fmter.FormatQuery(b, q.cond, q.params...)
b = append(b, ')')
return b, nil
}
//------------------------------------------------------------------------------
type fieldAppender struct {
field string
}
var _ QueryAppender = (*fieldAppender)(nil)
func (a fieldAppender) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
return types.AppendIdent(b, a.field, 1), nil
}
//------------------------------------------------------------------------------
type dummyFormatter struct{}
func (f dummyFormatter) FormatQuery(b []byte, query string, params ...interface{}) []byte {
return append(b, query...)
}
func isTemplateFormatter(fmter QueryFormatter) bool {
_, ok := fmter.(dummyFormatter)
return ok
}
//------------------------------------------------------------------------------
type QueryFormatter interface {
FormatQuery(b []byte, query string, params ...interface{}) []byte
}
type Formatter struct {
namedParams map[string]interface{}
model TableModel
}
var _ QueryFormatter = (*Formatter)(nil)
func NewFormatter() *Formatter {
return new(Formatter)
}
func (f *Formatter) String() string {
if len(f.namedParams) == 0 {
return ""
}
keys := make([]string, len(f.namedParams))
index := 0
for k := range f.namedParams {
keys[index] = k
index++
}
sort.Strings(keys)
ss := make([]string, len(keys))
for i, k := range keys {
ss[i] = fmt.Sprintf("%s=%v", k, f.namedParams[k])
}
return " " + strings.Join(ss, " ")
}
func (f *Formatter) clone() *Formatter {
cp := NewFormatter()
cp.model = f.model
if len(f.namedParams) > 0 {
cp.namedParams = make(map[string]interface{}, len(f.namedParams))
}
for param, value := range f.namedParams {
cp.setParam(param, value)
}
return cp
}
func (f *Formatter) WithTableModel(model TableModel) *Formatter {
cp := f.clone()
cp.model = model
return cp
}
func (f *Formatter) WithModel(model interface{}) *Formatter {
switch model := model.(type) {
case TableModel:
return f.WithTableModel(model)
case *Query:
return f.WithTableModel(model.tableModel)
case QueryCommand:
return f.WithTableModel(model.Query().tableModel)
default:
panic(fmt.Errorf("pg: unsupported model %T", model))
}
}
func (f *Formatter) setParam(param string, value interface{}) {
if f.namedParams == nil {
f.namedParams = make(map[string]interface{})
}
f.namedParams[param] = value
}
func (f *Formatter) WithParam(param string, value interface{}) *Formatter {
cp := f.clone()
cp.setParam(param, value)
return cp
}
func (f *Formatter) Param(param string) interface{} {
return f.namedParams[param]
}
func (f *Formatter) hasParams() bool {
return len(f.namedParams) > 0 || f.model != nil
}
func (f *Formatter) FormatQueryBytes(dst, query []byte, params ...interface{}) []byte {
if (params == nil && !f.hasParams()) || bytes.IndexByte(query, '?') == -1 {
return append(dst, query...)
}
return f.append(dst, parser.New(query), params)
}
func (f *Formatter) FormatQuery(dst []byte, query string, params ...interface{}) []byte {
if (params == nil && !f.hasParams()) || strings.IndexByte(query, '?') == -1 {
return append(dst, query...)
}
return f.append(dst, parser.NewString(query), params)
}
func (f *Formatter) append(dst []byte, p *parser.Parser, params []interface{}) []byte {
var paramsIndex int
var namedParamsOnce bool
var tableParams *tableParams
for p.Valid() {
b, ok := p.ReadSep('?')
if !ok {
dst = append(dst, b...)
continue
}
if len(b) > 0 && b[len(b)-1] == '\\' {
dst = append(dst, b[:len(b)-1]...)
dst = append(dst, '?')
continue
}
dst = append(dst, b...)
id, numeric := p.ReadIdentifier()
if id != "" {
if numeric {
idx, err := strconv.Atoi(id)
if err != nil {
goto restore_param
}
if idx >= len(params) {
goto restore_param
}
dst = f.appendParam(dst, params[idx])
continue
}
if f.namedParams != nil {
param, paramOK := f.namedParams[id]
if paramOK {
dst = f.appendParam(dst, param)
continue
}
}
if !namedParamsOnce && len(params) > 0 {
namedParamsOnce = true
tableParams, _ = newTableParams(params[len(params)-1])
}
if tableParams != nil {
dst, ok = tableParams.AppendParam(f, dst, id)
if ok {
continue
}
}
if f.model != nil {
dst, ok = f.model.AppendParam(f, dst, id)
if ok {
continue
}
}
restore_param:
dst = append(dst, '?')
dst = append(dst, id...)
continue
}
if paramsIndex >= len(params) {
dst = append(dst, '?')
continue
}
param := params[paramsIndex]
paramsIndex++
dst = f.appendParam(dst, param)
}
return dst
}
func (f *Formatter) appendParam(b []byte, param interface{}) []byte {
switch param := param.(type) {
case QueryAppender:
bb, err := param.AppendQuery(f, b)
if err != nil {
return types.AppendError(b, err)
}
return bb
default:
return types.Append(b, param, 1)
}
}

248
vendor/github.com/go-pg/pg/v10/orm/hook.go generated vendored
View file

@ -1,248 +0,0 @@
package orm
import (
"context"
"reflect"
)
type hookStubs struct{}
var (
_ AfterScanHook = (*hookStubs)(nil)
_ AfterSelectHook = (*hookStubs)(nil)
_ BeforeInsertHook = (*hookStubs)(nil)
_ AfterInsertHook = (*hookStubs)(nil)
_ BeforeUpdateHook = (*hookStubs)(nil)
_ AfterUpdateHook = (*hookStubs)(nil)
_ BeforeDeleteHook = (*hookStubs)(nil)
_ AfterDeleteHook = (*hookStubs)(nil)
)
func (hookStubs) AfterScan(ctx context.Context) error {
return nil
}
func (hookStubs) AfterSelect(ctx context.Context) error {
return nil
}
func (hookStubs) BeforeInsert(ctx context.Context) (context.Context, error) {
return ctx, nil
}
func (hookStubs) AfterInsert(ctx context.Context) error {
return nil
}
func (hookStubs) BeforeUpdate(ctx context.Context) (context.Context, error) {
return ctx, nil
}
func (hookStubs) AfterUpdate(ctx context.Context) error {
return nil
}
func (hookStubs) BeforeDelete(ctx context.Context) (context.Context, error) {
return ctx, nil
}
func (hookStubs) AfterDelete(ctx context.Context) error {
return nil
}
func callHookSlice(
ctx context.Context,
slice reflect.Value,
ptr bool,
hook func(context.Context, reflect.Value) (context.Context, error),
) (context.Context, error) {
var firstErr error
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
v := slice.Index(i)
if !ptr {
v = v.Addr()
}
var err error
ctx, err = hook(ctx, v)
if err != nil && firstErr == nil {
firstErr = err
}
}
return ctx, firstErr
}
func callHookSlice2(
ctx context.Context,
slice reflect.Value,
ptr bool,
hook func(context.Context, reflect.Value) error,
) error {
var firstErr error
if slice.IsValid() {
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
v := slice.Index(i)
if !ptr {
v = v.Addr()
}
err := hook(ctx, v)
if err != nil && firstErr == nil {
firstErr = err
}
}
}
return firstErr
}
//------------------------------------------------------------------------------
type BeforeScanHook interface {
BeforeScan(context.Context) error
}
var beforeScanHookType = reflect.TypeOf((*BeforeScanHook)(nil)).Elem()
func callBeforeScanHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(BeforeScanHook).BeforeScan(ctx)
}
//------------------------------------------------------------------------------
type AfterScanHook interface {
AfterScan(context.Context) error
}
var afterScanHookType = reflect.TypeOf((*AfterScanHook)(nil)).Elem()
func callAfterScanHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(AfterScanHook).AfterScan(ctx)
}
//------------------------------------------------------------------------------
type AfterSelectHook interface {
AfterSelect(context.Context) error
}
var afterSelectHookType = reflect.TypeOf((*AfterSelectHook)(nil)).Elem()
func callAfterSelectHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(AfterSelectHook).AfterSelect(ctx)
}
func callAfterSelectHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) error {
return callHookSlice2(ctx, slice, ptr, callAfterSelectHook)
}
//------------------------------------------------------------------------------
type BeforeInsertHook interface {
BeforeInsert(context.Context) (context.Context, error)
}
var beforeInsertHookType = reflect.TypeOf((*BeforeInsertHook)(nil)).Elem()
func callBeforeInsertHook(ctx context.Context, v reflect.Value) (context.Context, error) {
return v.Interface().(BeforeInsertHook).BeforeInsert(ctx)
}
func callBeforeInsertHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) (context.Context, error) {
return callHookSlice(ctx, slice, ptr, callBeforeInsertHook)
}
//------------------------------------------------------------------------------
type AfterInsertHook interface {
AfterInsert(context.Context) error
}
var afterInsertHookType = reflect.TypeOf((*AfterInsertHook)(nil)).Elem()
func callAfterInsertHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(AfterInsertHook).AfterInsert(ctx)
}
func callAfterInsertHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) error {
return callHookSlice2(ctx, slice, ptr, callAfterInsertHook)
}
//------------------------------------------------------------------------------
type BeforeUpdateHook interface {
BeforeUpdate(context.Context) (context.Context, error)
}
var beforeUpdateHookType = reflect.TypeOf((*BeforeUpdateHook)(nil)).Elem()
func callBeforeUpdateHook(ctx context.Context, v reflect.Value) (context.Context, error) {
return v.Interface().(BeforeUpdateHook).BeforeUpdate(ctx)
}
func callBeforeUpdateHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) (context.Context, error) {
return callHookSlice(ctx, slice, ptr, callBeforeUpdateHook)
}
//------------------------------------------------------------------------------
type AfterUpdateHook interface {
AfterUpdate(context.Context) error
}
var afterUpdateHookType = reflect.TypeOf((*AfterUpdateHook)(nil)).Elem()
func callAfterUpdateHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(AfterUpdateHook).AfterUpdate(ctx)
}
func callAfterUpdateHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) error {
return callHookSlice2(ctx, slice, ptr, callAfterUpdateHook)
}
//------------------------------------------------------------------------------
type BeforeDeleteHook interface {
BeforeDelete(context.Context) (context.Context, error)
}
var beforeDeleteHookType = reflect.TypeOf((*BeforeDeleteHook)(nil)).Elem()
func callBeforeDeleteHook(ctx context.Context, v reflect.Value) (context.Context, error) {
return v.Interface().(BeforeDeleteHook).BeforeDelete(ctx)
}
func callBeforeDeleteHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) (context.Context, error) {
return callHookSlice(ctx, slice, ptr, callBeforeDeleteHook)
}
//------------------------------------------------------------------------------
type AfterDeleteHook interface {
AfterDelete(context.Context) error
}
var afterDeleteHookType = reflect.TypeOf((*AfterDeleteHook)(nil)).Elem()
func callAfterDeleteHook(ctx context.Context, v reflect.Value) error {
return v.Interface().(AfterDeleteHook).AfterDelete(ctx)
}
func callAfterDeleteHookSlice(
ctx context.Context, slice reflect.Value, ptr bool,
) error {
return callHookSlice2(ctx, slice, ptr, callAfterDeleteHook)
}

345
vendor/github.com/go-pg/pg/v10/orm/insert.go generated vendored
View file

@ -1,345 +0,0 @@
package orm
import (
"fmt"
"reflect"
"sort"
"github.com/go-pg/pg/v10/types"
)
type InsertQuery struct {
q *Query
returningFields []*Field
placeholder bool
}
var _ QueryCommand = (*InsertQuery)(nil)
func NewInsertQuery(q *Query) *InsertQuery {
return &InsertQuery{
q: q,
}
}
func (q *InsertQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *InsertQuery) Operation() QueryOp {
return InsertOp
}
func (q *InsertQuery) Clone() QueryCommand {
return &InsertQuery{
q: q.q.Clone(),
placeholder: q.placeholder,
}
}
func (q *InsertQuery) Query() *Query {
return q.q
}
var _ TemplateAppender = (*InsertQuery)(nil)
func (q *InsertQuery) AppendTemplate(b []byte) ([]byte, error) {
cp := q.Clone().(*InsertQuery)
cp.placeholder = true
return cp.AppendQuery(dummyFormatter{}, b)
}
var _ QueryAppender = (*InsertQuery)(nil)
func (q *InsertQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if len(q.q.with) > 0 {
b, err = q.q.appendWith(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, "INSERT INTO "...)
if q.q.onConflict != nil {
b, err = q.q.appendFirstTableWithAlias(fmter, b)
} else {
b, err = q.q.appendFirstTable(fmter, b)
}
if err != nil {
return nil, err
}
b, err = q.appendColumnsValues(fmter, b)
if err != nil {
return nil, err
}
if q.q.onConflict != nil {
b = append(b, " ON CONFLICT "...)
b, err = q.q.onConflict.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
if q.q.onConflictDoUpdate() {
if len(q.q.set) > 0 {
b, err = q.q.appendSet(fmter, b)
if err != nil {
return nil, err
}
} else {
fields, err := q.q.getDataFields()
if err != nil {
return nil, err
}
if len(fields) == 0 {
fields = q.q.tableModel.Table().DataFields
}
b = q.appendSetExcluded(b, fields)
}
if len(q.q.updWhere) > 0 {
b = append(b, " WHERE "...)
b, err = q.q.appendUpdWhere(fmter, b)
if err != nil {
return nil, err
}
}
}
}
if len(q.q.returning) > 0 {
b, err = q.q.appendReturning(fmter, b)
if err != nil {
return nil, err
}
} else if len(q.returningFields) > 0 {
b = appendReturningFields(b, q.returningFields)
}
return b, q.q.stickyErr
}
func (q *InsertQuery) appendColumnsValues(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.hasMultiTables() {
if q.q.columns != nil {
b = append(b, " ("...)
b, err = q.q.appendColumns(fmter, b)
if err != nil {
return nil, err
}
b = append(b, ")"...)
}
b = append(b, " SELECT * FROM "...)
b, err = q.q.appendOtherTables(fmter, b)
if err != nil {
return nil, err
}
return b, nil
}
if m, ok := q.q.model.(*mapModel); ok {
return q.appendMapColumnsValues(b, m.m), nil
}
if !q.q.hasTableModel() {
return nil, errModelNil
}
fields, err := q.q.getFields()
if err != nil {
return nil, err
}
if len(fields) == 0 {
fields = q.q.tableModel.Table().Fields
}
value := q.q.tableModel.Value()
b = append(b, " ("...)
b = q.appendColumns(b, fields)
b = append(b, ") VALUES ("...)
if m, ok := q.q.tableModel.(*sliceTableModel); ok {
if m.sliceLen == 0 {
err = fmt.Errorf("pg: can't bulk-insert empty slice %s", value.Type())
return nil, err
}
b, err = q.appendSliceValues(fmter, b, fields, value)
if err != nil {
return nil, err
}
} else {
b, err = q.appendValues(fmter, b, fields, value)
if err != nil {
return nil, err
}
}
b = append(b, ")"...)
return b, nil
}
func (q *InsertQuery) appendMapColumnsValues(b []byte, m map[string]interface{}) []byte {
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
b = append(b, " ("...)
for i, k := range keys {
if i > 0 {
b = append(b, ", "...)
}
b = types.AppendIdent(b, k, 1)
}
b = append(b, ") VALUES ("...)
for i, k := range keys {
if i > 0 {
b = append(b, ", "...)
}
if q.placeholder {
b = append(b, '?')
} else {
b = types.Append(b, m[k], 1)
}
}
b = append(b, ")"...)
return b
}
func (q *InsertQuery) appendValues(
fmter QueryFormatter, b []byte, fields []*Field, strct reflect.Value,
) (_ []byte, err error) {
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
app, ok := q.q.modelValues[f.SQLName]
if ok {
b, err = app.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
q.addReturningField(f)
continue
}
switch {
case q.placeholder:
b = append(b, '?')
case (f.Default != "" || f.NullZero()) && f.HasZeroValue(strct):
b = append(b, "DEFAULT"...)
q.addReturningField(f)
default:
b = f.AppendValue(b, strct, 1)
}
}
for i, v := range q.q.extraValues {
if i > 0 || len(fields) > 0 {
b = append(b, ", "...)
}
b, err = v.value.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
return b, nil
}
func (q *InsertQuery) appendSliceValues(
fmter QueryFormatter, b []byte, fields []*Field, slice reflect.Value,
) (_ []byte, err error) {
if q.placeholder {
return q.appendValues(fmter, b, fields, reflect.Value{})
}
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
if i > 0 {
b = append(b, "), ("...)
}
el := indirect(slice.Index(i))
b, err = q.appendValues(fmter, b, fields, el)
if err != nil {
return nil, err
}
}
for i, v := range q.q.extraValues {
if i > 0 || len(fields) > 0 {
b = append(b, ", "...)
}
b, err = v.value.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
return b, nil
}
func (q *InsertQuery) addReturningField(field *Field) {
if len(q.q.returning) > 0 {
return
}
for _, f := range q.returningFields {
if f == field {
return
}
}
q.returningFields = append(q.returningFields, field)
}
func (q *InsertQuery) appendSetExcluded(b []byte, fields []*Field) []byte {
b = append(b, " SET "...)
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
b = append(b, f.Column...)
b = append(b, " = EXCLUDED."...)
b = append(b, f.Column...)
}
return b
}
func (q *InsertQuery) appendColumns(b []byte, fields []*Field) []byte {
b = appendColumns(b, "", fields)
for i, v := range q.q.extraValues {
if i > 0 || len(fields) > 0 {
b = append(b, ", "...)
}
b = types.AppendIdent(b, v.column, 1)
}
return b
}
func appendReturningFields(b []byte, fields []*Field) []byte {
b = append(b, " RETURNING "...)
b = appendColumns(b, "", fields)
return b
}

351
vendor/github.com/go-pg/pg/v10/orm/join.go generated vendored
View file

@ -1,351 +0,0 @@
package orm
import (
"reflect"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/types"
)
type join struct {
Parent *join
BaseModel TableModel
JoinModel TableModel
Rel *Relation
ApplyQuery func(*Query) (*Query, error)
Columns []string
on []*condAppender
}
func (j *join) AppendOn(app *condAppender) {
j.on = append(j.on, app)
}
func (j *join) Select(fmter QueryFormatter, q *Query) error {
switch j.Rel.Type {
case HasManyRelation:
return j.selectMany(fmter, q)
case Many2ManyRelation:
return j.selectM2M(fmter, q)
}
panic("not reached")
}
func (j *join) selectMany(_ QueryFormatter, q *Query) error {
q, err := j.manyQuery(q)
if err != nil {
return err
}
if q == nil {
return nil
}
return q.Select()
}
func (j *join) manyQuery(q *Query) (*Query, error) {
manyModel := newManyModel(j)
if manyModel == nil {
return nil, nil
}
q = q.Model(manyModel)
if j.ApplyQuery != nil {
var err error
q, err = j.ApplyQuery(q)
if err != nil {
return nil, err
}
}
if len(q.columns) == 0 {
q.columns = append(q.columns, &hasManyColumnsAppender{j})
}
baseTable := j.BaseModel.Table()
var where []byte
if len(j.Rel.JoinFKs) > 1 {
where = append(where, '(')
}
where = appendColumns(where, j.JoinModel.Table().Alias, j.Rel.JoinFKs)
if len(j.Rel.JoinFKs) > 1 {
where = append(where, ')')
}
where = append(where, " IN ("...)
where = appendChildValues(
where, j.JoinModel.Root(), j.JoinModel.ParentIndex(), j.Rel.BaseFKs)
where = append(where, ")"...)
q = q.Where(internal.BytesToString(where))
if j.Rel.Polymorphic != nil {
q = q.Where(`? IN (?, ?)`,
j.Rel.Polymorphic.Column,
baseTable.ModelName, baseTable.TypeName)
}
return q, nil
}
func (j *join) selectM2M(fmter QueryFormatter, q *Query) error {
q, err := j.m2mQuery(fmter, q)
if err != nil {
return err
}
if q == nil {
return nil
}
return q.Select()
}
func (j *join) m2mQuery(fmter QueryFormatter, q *Query) (*Query, error) {
m2mModel := newM2MModel(j)
if m2mModel == nil {
return nil, nil
}
q = q.Model(m2mModel)
if j.ApplyQuery != nil {
var err error
q, err = j.ApplyQuery(q)
if err != nil {
return nil, err
}
}
if len(q.columns) == 0 {
q.columns = append(q.columns, &hasManyColumnsAppender{j})
}
index := j.JoinModel.ParentIndex()
baseTable := j.BaseModel.Table()
//nolint
var join []byte
join = append(join, "JOIN "...)
join = fmter.FormatQuery(join, string(j.Rel.M2MTableName))
join = append(join, " AS "...)
join = append(join, j.Rel.M2MTableAlias...)
join = append(join, " ON ("...)
for i, col := range j.Rel.M2MBaseFKs {
if i > 0 {
join = append(join, ", "...)
}
join = append(join, j.Rel.M2MTableAlias...)
join = append(join, '.')
join = types.AppendIdent(join, col, 1)
}
join = append(join, ") IN ("...)
join = appendChildValues(join, j.BaseModel.Root(), index, baseTable.PKs)
join = append(join, ")"...)
q = q.Join(internal.BytesToString(join))
joinTable := j.JoinModel.Table()
for i, col := range j.Rel.M2MJoinFKs {
pk := joinTable.PKs[i]
q = q.Where("?.? = ?.?",
joinTable.Alias, pk.Column,
j.Rel.M2MTableAlias, types.Ident(col))
}
return q, nil
}
func (j *join) hasParent() bool {
if j.Parent != nil {
switch j.Parent.Rel.Type {
case HasOneRelation, BelongsToRelation:
return true
}
}
return false
}
func (j *join) appendAlias(b []byte) []byte {
b = append(b, '"')
b = appendAlias(b, j)
b = append(b, '"')
return b
}
func (j *join) appendAliasColumn(b []byte, column string) []byte {
b = append(b, '"')
b = appendAlias(b, j)
b = append(b, "__"...)
b = append(b, column...)
b = append(b, '"')
return b
}
func (j *join) appendBaseAlias(b []byte) []byte {
if j.hasParent() {
b = append(b, '"')
b = appendAlias(b, j.Parent)
b = append(b, '"')
return b
}
return append(b, j.BaseModel.Table().Alias...)
}
func (j *join) appendSoftDelete(b []byte, flags queryFlag) []byte {
b = append(b, '.')
b = append(b, j.JoinModel.Table().SoftDeleteField.Column...)
if hasFlag(flags, deletedFlag) {
b = append(b, " IS NOT NULL"...)
} else {
b = append(b, " IS NULL"...)
}
return b
}
func appendAlias(b []byte, j *join) []byte {
if j.hasParent() {
b = appendAlias(b, j.Parent)
b = append(b, "__"...)
}
b = append(b, j.Rel.Field.SQLName...)
return b
}
func (j *join) appendHasOneColumns(b []byte) []byte {
if j.Columns == nil {
for i, f := range j.JoinModel.Table().Fields {
if i > 0 {
b = append(b, ", "...)
}
b = j.appendAlias(b)
b = append(b, '.')
b = append(b, f.Column...)
b = append(b, " AS "...)
b = j.appendAliasColumn(b, f.SQLName)
}
return b
}
for i, column := range j.Columns {
if i > 0 {
b = append(b, ", "...)
}
b = j.appendAlias(b)
b = append(b, '.')
b = types.AppendIdent(b, column, 1)
b = append(b, " AS "...)
b = j.appendAliasColumn(b, column)
}
return b
}
func (j *join) appendHasOneJoin(fmter QueryFormatter, b []byte, q *Query) (_ []byte, err error) {
isSoftDelete := j.JoinModel.Table().SoftDeleteField != nil && !q.hasFlag(allWithDeletedFlag)
b = append(b, "LEFT JOIN "...)
b = fmter.FormatQuery(b, string(j.JoinModel.Table().SQLNameForSelects))
b = append(b, " AS "...)
b = j.appendAlias(b)
b = append(b, " ON "...)
if isSoftDelete {
b = append(b, '(')
}
if len(j.Rel.BaseFKs) > 1 {
b = append(b, '(')
}
for i, baseFK := range j.Rel.BaseFKs {
if i > 0 {
b = append(b, " AND "...)
}
b = j.appendAlias(b)
b = append(b, '.')
b = append(b, j.Rel.JoinFKs[i].Column...)
b = append(b, " = "...)
b = j.appendBaseAlias(b)
b = append(b, '.')
b = append(b, baseFK.Column...)
}
if len(j.Rel.BaseFKs) > 1 {
b = append(b, ')')
}
for _, on := range j.on {
b = on.AppendSep(b)
b, err = on.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
if isSoftDelete {
b = append(b, ')')
}
if isSoftDelete {
b = append(b, " AND "...)
b = j.appendAlias(b)
b = j.appendSoftDelete(b, q.flags)
}
return b, nil
}
type hasManyColumnsAppender struct {
*join
}
var _ QueryAppender = (*hasManyColumnsAppender)(nil)
func (q *hasManyColumnsAppender) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
if q.Rel.M2MTableAlias != "" {
b = append(b, q.Rel.M2MTableAlias...)
b = append(b, ".*, "...)
}
joinTable := q.JoinModel.Table()
if q.Columns != nil {
for i, column := range q.Columns {
if i > 0 {
b = append(b, ", "...)
}
b = append(b, joinTable.Alias...)
b = append(b, '.')
b = types.AppendIdent(b, column, 1)
}
return b, nil
}
b = appendColumns(b, joinTable.Alias, joinTable.Fields)
return b, nil
}
func appendChildValues(b []byte, v reflect.Value, index []int, fields []*Field) []byte {
seen := make(map[string]struct{})
walk(v, index, func(v reflect.Value) {
start := len(b)
if len(fields) > 1 {
b = append(b, '(')
}
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
b = f.AppendValue(b, v, 1)
}
if len(fields) > 1 {
b = append(b, ')')
}
b = append(b, ", "...)
if _, ok := seen[string(b[start:])]; ok {
b = b[:start]
} else {
seen[string(b[start:])] = struct{}{}
}
})
if len(seen) > 0 {
b = b[:len(b)-2] // trim ", "
}
return b
}

150
vendor/github.com/go-pg/pg/v10/orm/model.go generated vendored
View file

@ -1,150 +0,0 @@
package orm
import (
"database/sql"
"errors"
"fmt"
"reflect"
"github.com/go-pg/pg/v10/types"
)
var errModelNil = errors.New("pg: Model(nil)")
type useQueryOne interface {
useQueryOne() bool
}
type HooklessModel interface {
// Init is responsible to initialize/reset model state.
// It is called only once no matter how many rows were returned.
Init() error
// NextColumnScanner returns a ColumnScanner that is used to scan columns
// from the current row. It is called once for every row.
NextColumnScanner() ColumnScanner
// AddColumnScanner adds the ColumnScanner to the model.
AddColumnScanner(ColumnScanner) error
}
type Model interface {
HooklessModel
AfterScanHook
AfterSelectHook
BeforeInsertHook
AfterInsertHook
BeforeUpdateHook
AfterUpdateHook
BeforeDeleteHook
AfterDeleteHook
}
func NewModel(value interface{}) (Model, error) {
return newModel(value, false)
}
func newScanModel(values []interface{}) (Model, error) {
if len(values) > 1 {
return Scan(values...), nil
}
return newModel(values[0], true)
}
func newModel(value interface{}, scan bool) (Model, error) {
switch value := value.(type) {
case Model:
return value, nil
case HooklessModel:
return newModelWithHookStubs(value), nil
case types.ValueScanner, sql.Scanner:
if !scan {
return nil, fmt.Errorf("pg: Model(unsupported %T)", value)
}
return Scan(value), nil
}
v := reflect.ValueOf(value)
if !v.IsValid() {
return nil, errModelNil
}
if v.Kind() != reflect.Ptr {
return nil, fmt.Errorf("pg: Model(non-pointer %T)", value)
}
if v.IsNil() {
typ := v.Type().Elem()
if typ.Kind() == reflect.Struct {
return newStructTableModel(GetTable(typ)), nil
}
return nil, errModelNil
}
v = v.Elem()
if v.Kind() == reflect.Interface {
if !v.IsNil() {
v = v.Elem()
if v.Kind() != reflect.Ptr {
return nil, fmt.Errorf("pg: Model(non-pointer %s)", v.Type().String())
}
}
}
switch v.Kind() {
case reflect.Struct:
if v.Type() != timeType {
return newStructTableModelValue(v), nil
}
case reflect.Slice:
elemType := sliceElemType(v)
switch elemType.Kind() {
case reflect.Struct:
if elemType != timeType {
return newSliceTableModel(v, elemType), nil
}
case reflect.Map:
if err := validMap(elemType); err != nil {
return nil, err
}
slicePtr := v.Addr().Interface().(*[]map[string]interface{})
return newMapSliceModel(slicePtr), nil
}
return newSliceModel(v, elemType), nil
case reflect.Map:
typ := v.Type()
if err := validMap(typ); err != nil {
return nil, err
}
mapPtr := v.Addr().Interface().(*map[string]interface{})
return newMapModel(mapPtr), nil
}
if !scan {
return nil, fmt.Errorf("pg: Model(unsupported %T)", value)
}
return Scan(value), nil
}
type modelWithHookStubs struct {
hookStubs
HooklessModel
}
func newModelWithHookStubs(m HooklessModel) Model {
return modelWithHookStubs{
HooklessModel: m,
}
}
func validMap(typ reflect.Type) error {
if typ.Key().Kind() != reflect.String || typ.Elem().Kind() != reflect.Interface {
return fmt.Errorf("pg: Model(unsupported %s, expected *map[string]interface{})",
typ.String())
}
return nil
}

27
vendor/github.com/go-pg/pg/v10/orm/model_discard.go generated vendored
View file

@ -1,27 +0,0 @@
package orm
import (
"github.com/go-pg/pg/v10/types"
)
type Discard struct {
hookStubs
}
var _ Model = (*Discard)(nil)
func (Discard) Init() error {
return nil
}
func (m Discard) NextColumnScanner() ColumnScanner {
return m
}
func (m Discard) AddColumnScanner(ColumnScanner) error {
return nil
}
func (m Discard) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
return nil
}

89
vendor/github.com/go-pg/pg/v10/orm/model_func.go generated vendored
View file

@ -1,89 +0,0 @@
package orm
import (
"fmt"
"reflect"
)
var errorType = reflect.TypeOf((*error)(nil)).Elem()
type funcModel struct {
Model
fnv reflect.Value
fnIn []reflect.Value
}
var _ Model = (*funcModel)(nil)
func newFuncModel(fn interface{}) *funcModel {
m := &funcModel{
fnv: reflect.ValueOf(fn),
}
fnt := m.fnv.Type()
if fnt.Kind() != reflect.Func {
panic(fmt.Errorf("ForEach expects a %s, got a %s",
reflect.Func, fnt.Kind()))
}
if fnt.NumIn() < 1 {
panic(fmt.Errorf("ForEach expects at least 1 arg, got %d", fnt.NumIn()))
}
if fnt.NumOut() != 1 {
panic(fmt.Errorf("ForEach must return 1 error value, got %d", fnt.NumOut()))
}
if fnt.Out(0) != errorType {
panic(fmt.Errorf("ForEach must return an error, got %T", fnt.Out(0)))
}
if fnt.NumIn() > 1 {
initFuncModelScan(m, fnt)
return m
}
t0 := fnt.In(0)
var v0 reflect.Value
if t0.Kind() == reflect.Ptr {
t0 = t0.Elem()
v0 = reflect.New(t0)
} else {
v0 = reflect.New(t0).Elem()
}
m.fnIn = []reflect.Value{v0}
model, ok := v0.Interface().(Model)
if ok {
m.Model = model
return m
}
if v0.Kind() == reflect.Ptr {
v0 = v0.Elem()
}
if v0.Kind() != reflect.Struct {
panic(fmt.Errorf("ForEach accepts a %s, got %s",
reflect.Struct, v0.Kind()))
}
m.Model = newStructTableModelValue(v0)
return m
}
func initFuncModelScan(m *funcModel, fnt reflect.Type) {
m.fnIn = make([]reflect.Value, fnt.NumIn())
for i := 0; i < fnt.NumIn(); i++ {
m.fnIn[i] = reflect.New(fnt.In(i)).Elem()
}
m.Model = scanReflectValues(m.fnIn)
}
func (m *funcModel) AddColumnScanner(_ ColumnScanner) error {
out := m.fnv.Call(m.fnIn)
errv := out[0]
if !errv.IsNil() {
return errv.Interface().(error)
}
return nil
}

53
vendor/github.com/go-pg/pg/v10/orm/model_map.go generated vendored
View file

@ -1,53 +0,0 @@
package orm
import (
"github.com/go-pg/pg/v10/types"
)
type mapModel struct {
hookStubs
ptr *map[string]interface{}
m map[string]interface{}
}
var _ Model = (*mapModel)(nil)
func newMapModel(ptr *map[string]interface{}) *mapModel {
model := &mapModel{
ptr: ptr,
}
if ptr != nil {
model.m = *ptr
}
return model
}
func (m *mapModel) Init() error {
return nil
}
func (m *mapModel) NextColumnScanner() ColumnScanner {
if m.m == nil {
m.m = make(map[string]interface{})
*m.ptr = m.m
}
return m
}
func (m mapModel) AddColumnScanner(ColumnScanner) error {
return nil
}
func (m *mapModel) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
val, err := types.ReadColumnValue(col, rd, n)
if err != nil {
return err
}
m.m[col.Name] = val
return nil
}
func (mapModel) useQueryOne() bool {
return true
}

45
vendor/github.com/go-pg/pg/v10/orm/model_map_slice.go generated vendored
View file

@ -1,45 +0,0 @@
package orm
type mapSliceModel struct {
mapModel
slice *[]map[string]interface{}
}
var _ Model = (*mapSliceModel)(nil)
func newMapSliceModel(ptr *[]map[string]interface{}) *mapSliceModel {
return &mapSliceModel{
slice: ptr,
}
}
func (m *mapSliceModel) Init() error {
slice := *m.slice
if len(slice) > 0 {
*m.slice = slice[:0]
}
return nil
}
func (m *mapSliceModel) NextColumnScanner() ColumnScanner {
slice := *m.slice
if len(slice) == cap(slice) {
m.mapModel.m = make(map[string]interface{})
*m.slice = append(slice, m.mapModel.m) //nolint:gocritic
return m
}
slice = slice[:len(slice)+1]
el := slice[len(slice)-1]
if el != nil {
m.mapModel.m = el
} else {
el = make(map[string]interface{})
slice[len(slice)-1] = el
m.mapModel.m = el
}
*m.slice = slice
return m
}
func (mapSliceModel) useQueryOne() {} //nolint:unused

69
vendor/github.com/go-pg/pg/v10/orm/model_scan.go generated vendored
View file

@ -1,69 +0,0 @@
package orm
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/types"
)
type scanValuesModel struct {
Discard
values []interface{}
}
var _ Model = scanValuesModel{}
//nolint
func Scan(values ...interface{}) scanValuesModel {
return scanValuesModel{
values: values,
}
}
func (scanValuesModel) useQueryOne() bool {
return true
}
func (m scanValuesModel) NextColumnScanner() ColumnScanner {
return m
}
func (m scanValuesModel) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
if int(col.Index) >= len(m.values) {
return fmt.Errorf("pg: no Scan var for column index=%d name=%q",
col.Index, col.Name)
}
return types.Scan(m.values[col.Index], rd, n)
}
//------------------------------------------------------------------------------
type scanReflectValuesModel struct {
Discard
values []reflect.Value
}
var _ Model = scanReflectValuesModel{}
func scanReflectValues(values []reflect.Value) scanReflectValuesModel {
return scanReflectValuesModel{
values: values,
}
}
func (scanReflectValuesModel) useQueryOne() bool {
return true
}
func (m scanReflectValuesModel) NextColumnScanner() ColumnScanner {
return m
}
func (m scanReflectValuesModel) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
if int(col.Index) >= len(m.values) {
return fmt.Errorf("pg: no Scan var for column index=%d name=%q",
col.Index, col.Name)
}
return types.ScanValue(m.values[col.Index], rd, n)
}

43
vendor/github.com/go-pg/pg/v10/orm/model_slice.go generated vendored
View file

@ -1,43 +0,0 @@
package orm
import (
"reflect"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/types"
)
type sliceModel struct {
Discard
slice reflect.Value
nextElem func() reflect.Value
scan func(reflect.Value, types.Reader, int) error
}
var _ Model = (*sliceModel)(nil)
func newSliceModel(slice reflect.Value, elemType reflect.Type) *sliceModel {
return &sliceModel{
slice: slice,
scan: types.Scanner(elemType),
}
}
func (m *sliceModel) Init() error {
if m.slice.IsValid() && m.slice.Len() > 0 {
m.slice.Set(m.slice.Slice(0, 0))
}
return nil
}
func (m *sliceModel) NextColumnScanner() ColumnScanner {
return m
}
func (m *sliceModel) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
if m.nextElem == nil {
m.nextElem = internal.MakeSliceNextElemFunc(m.slice)
}
v := m.nextElem()
return m.scan(v, rd, n)
}

65
vendor/github.com/go-pg/pg/v10/orm/model_table.go generated vendored
View file

@ -1,65 +0,0 @@
package orm
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/types"
)
type TableModel interface {
Model
IsNil() bool
Table() *Table
Relation() *Relation
AppendParam(QueryFormatter, []byte, string) ([]byte, bool)
Join(string, func(*Query) (*Query, error)) *join
GetJoin(string) *join
GetJoins() []join
AddJoin(join) *join
Root() reflect.Value
Index() []int
ParentIndex() []int
Mount(reflect.Value)
Kind() reflect.Kind
Value() reflect.Value
setSoftDeleteField() error
scanColumn(types.ColumnInfo, types.Reader, int) (bool, error)
}
func newTableModelIndex(typ reflect.Type, root reflect.Value, index []int, rel *Relation) (TableModel, error) {
typ = typeByIndex(typ, index)
if typ.Kind() == reflect.Struct {
return &structTableModel{
table: GetTable(typ),
rel: rel,
root: root,
index: index,
}, nil
}
if typ.Kind() == reflect.Slice {
structType := indirectType(typ.Elem())
if structType.Kind() == reflect.Struct {
m := sliceTableModel{
structTableModel: structTableModel{
table: GetTable(structType),
rel: rel,
root: root,
index: index,
},
}
m.init(typ)
return &m, nil
}
}
return nil, fmt.Errorf("pg: NewModel(%s)", typ)
}

111
vendor/github.com/go-pg/pg/v10/orm/model_table_m2m.go generated vendored
View file

@ -1,111 +0,0 @@
package orm
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/types"
)
type m2mModel struct {
*sliceTableModel
baseTable *Table
rel *Relation
buf []byte
dstValues map[string][]reflect.Value
columns map[string]string
}
var _ TableModel = (*m2mModel)(nil)
func newM2MModel(j *join) *m2mModel {
baseTable := j.BaseModel.Table()
joinModel := j.JoinModel.(*sliceTableModel)
dstValues := dstValues(joinModel, baseTable.PKs)
if len(dstValues) == 0 {
return nil
}
m := &m2mModel{
sliceTableModel: joinModel,
baseTable: baseTable,
rel: j.Rel,
dstValues: dstValues,
columns: make(map[string]string),
}
if !m.sliceOfPtr {
m.strct = reflect.New(m.table.Type).Elem()
}
return m
}
func (m *m2mModel) NextColumnScanner() ColumnScanner {
if m.sliceOfPtr {
m.strct = reflect.New(m.table.Type).Elem()
} else {
m.strct.Set(m.table.zeroStruct)
}
m.structInited = false
return m
}
func (m *m2mModel) AddColumnScanner(_ ColumnScanner) error {
buf, err := m.modelIDMap(m.buf[:0])
if err != nil {
return err
}
m.buf = buf
dstValues, ok := m.dstValues[string(buf)]
if !ok {
return fmt.Errorf(
"pg: relation=%q does not have base %s with id=%q (check join conditions)",
m.rel.Field.GoName, m.baseTable, buf)
}
for _, v := range dstValues {
if m.sliceOfPtr {
v.Set(reflect.Append(v, m.strct.Addr()))
} else {
v.Set(reflect.Append(v, m.strct))
}
}
return nil
}
func (m *m2mModel) modelIDMap(b []byte) ([]byte, error) {
for i, col := range m.rel.M2MBaseFKs {
if i > 0 {
b = append(b, ',')
}
if s, ok := m.columns[col]; ok {
b = append(b, s...)
} else {
return nil, fmt.Errorf("pg: %s does not have column=%q",
m.sliceTableModel, col)
}
}
return b, nil
}
func (m *m2mModel) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
if n > 0 {
b, err := rd.ReadFullTemp()
if err != nil {
return err
}
m.columns[col.Name] = string(b)
rd = pool.NewBytesReader(b)
} else {
m.columns[col.Name] = ""
}
if ok, err := m.sliceTableModel.scanColumn(col, rd, n); ok {
return err
}
return nil
}

75
vendor/github.com/go-pg/pg/v10/orm/model_table_many.go generated vendored
View file

@ -1,75 +0,0 @@
package orm
import (
"fmt"
"reflect"
)
type manyModel struct {
*sliceTableModel
baseTable *Table
rel *Relation
buf []byte
dstValues map[string][]reflect.Value
}
var _ TableModel = (*manyModel)(nil)
func newManyModel(j *join) *manyModel {
baseTable := j.BaseModel.Table()
joinModel := j.JoinModel.(*sliceTableModel)
dstValues := dstValues(joinModel, j.Rel.BaseFKs)
if len(dstValues) == 0 {
return nil
}
m := manyModel{
sliceTableModel: joinModel,
baseTable: baseTable,
rel: j.Rel,
dstValues: dstValues,
}
if !m.sliceOfPtr {
m.strct = reflect.New(m.table.Type).Elem()
}
return &m
}
func (m *manyModel) NextColumnScanner() ColumnScanner {
if m.sliceOfPtr {
m.strct = reflect.New(m.table.Type).Elem()
} else {
m.strct.Set(m.table.zeroStruct)
}
m.structInited = false
return m
}
func (m *manyModel) AddColumnScanner(model ColumnScanner) error {
m.buf = modelID(m.buf[:0], m.strct, m.rel.JoinFKs)
dstValues, ok := m.dstValues[string(m.buf)]
if !ok {
return fmt.Errorf(
"pg: relation=%q does not have base %s with id=%q (check join conditions)",
m.rel.Field.GoName, m.baseTable, m.buf)
}
for i, v := range dstValues {
if !m.sliceOfPtr {
v.Set(reflect.Append(v, m.strct))
continue
}
if i == 0 {
v.Set(reflect.Append(v, m.strct.Addr()))
continue
}
clone := reflect.New(m.strct.Type()).Elem()
clone.Set(m.strct)
v.Set(reflect.Append(v, clone.Addr()))
}
return nil
}

156
vendor/github.com/go-pg/pg/v10/orm/model_table_slice.go generated vendored
View file

@ -1,156 +0,0 @@
package orm
import (
"context"
"reflect"
"github.com/go-pg/pg/v10/internal"
)
type sliceTableModel struct {
structTableModel
slice reflect.Value
sliceLen int
sliceOfPtr bool
nextElem func() reflect.Value
}
var _ TableModel = (*sliceTableModel)(nil)
func newSliceTableModel(slice reflect.Value, elemType reflect.Type) *sliceTableModel {
m := &sliceTableModel{
structTableModel: structTableModel{
table: GetTable(elemType),
root: slice,
},
slice: slice,
sliceLen: slice.Len(),
nextElem: internal.MakeSliceNextElemFunc(slice),
}
m.init(slice.Type())
return m
}
func (m *sliceTableModel) init(sliceType reflect.Type) {
switch sliceType.Elem().Kind() {
case reflect.Ptr, reflect.Interface:
m.sliceOfPtr = true
}
}
//nolint
func (*sliceTableModel) useQueryOne() {}
func (m *sliceTableModel) IsNil() bool {
return false
}
func (m *sliceTableModel) AppendParam(fmter QueryFormatter, b []byte, name string) ([]byte, bool) {
if field, ok := m.table.FieldsMap[name]; ok {
b = append(b, "_data."...)
b = append(b, field.Column...)
return b, true
}
return m.structTableModel.AppendParam(fmter, b, name)
}
func (m *sliceTableModel) Join(name string, apply func(*Query) (*Query, error)) *join {
return m.join(m.Value(), name, apply)
}
func (m *sliceTableModel) Bind(bind reflect.Value) {
m.slice = bind.Field(m.index[len(m.index)-1])
}
func (m *sliceTableModel) Kind() reflect.Kind {
return reflect.Slice
}
func (m *sliceTableModel) Value() reflect.Value {
return m.slice
}
func (m *sliceTableModel) Init() error {
if m.slice.IsValid() && m.slice.Len() > 0 {
m.slice.Set(m.slice.Slice(0, 0))
}
return nil
}
func (m *sliceTableModel) NextColumnScanner() ColumnScanner {
m.strct = m.nextElem()
m.structInited = false
return m
}
func (m *sliceTableModel) AddColumnScanner(_ ColumnScanner) error {
return nil
}
// Inherit these hooks from structTableModel.
var (
_ BeforeScanHook = (*sliceTableModel)(nil)
_ AfterScanHook = (*sliceTableModel)(nil)
)
func (m *sliceTableModel) AfterSelect(ctx context.Context) error {
if m.table.hasFlag(afterSelectHookFlag) {
return callAfterSelectHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeInsert(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeInsertHookFlag) {
return callBeforeInsertHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterInsert(ctx context.Context) error {
if m.table.hasFlag(afterInsertHookFlag) {
return callAfterInsertHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeUpdate(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeUpdateHookFlag) && !m.IsNil() {
return callBeforeUpdateHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterUpdate(ctx context.Context) error {
if m.table.hasFlag(afterUpdateHookFlag) {
return callAfterUpdateHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) BeforeDelete(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeDeleteHookFlag) && !m.IsNil() {
return callBeforeDeleteHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return ctx, nil
}
func (m *sliceTableModel) AfterDelete(ctx context.Context) error {
if m.table.hasFlag(afterDeleteHookFlag) && !m.IsNil() {
return callAfterDeleteHookSlice(ctx, m.slice, m.sliceOfPtr)
}
return nil
}
func (m *sliceTableModel) setSoftDeleteField() error {
sliceLen := m.slice.Len()
for i := 0; i < sliceLen; i++ {
strct := indirect(m.slice.Index(i))
fv := m.table.SoftDeleteField.Value(strct)
if err := m.table.SetSoftDeleteField(fv); err != nil {
return err
}
}
return nil
}

399
vendor/github.com/go-pg/pg/v10/orm/model_table_struct.go generated vendored
View file

@ -1,399 +0,0 @@
package orm
import (
"context"
"fmt"
"reflect"
"strings"
"github.com/go-pg/pg/v10/types"
)
type structTableModel struct {
table *Table
rel *Relation
joins []join
root reflect.Value
index []int
strct reflect.Value
structInited bool
structInitErr error
}
var _ TableModel = (*structTableModel)(nil)
func newStructTableModel(table *Table) *structTableModel {
return &structTableModel{
table: table,
}
}
func newStructTableModelValue(v reflect.Value) *structTableModel {
return &structTableModel{
table: GetTable(v.Type()),
root: v,
strct: v,
}
}
func (*structTableModel) useQueryOne() bool {
return true
}
func (m *structTableModel) String() string {
return m.table.String()
}
func (m *structTableModel) IsNil() bool {
return !m.strct.IsValid()
}
func (m *structTableModel) Table() *Table {
return m.table
}
func (m *structTableModel) Relation() *Relation {
return m.rel
}
func (m *structTableModel) AppendParam(fmter QueryFormatter, b []byte, name string) ([]byte, bool) {
b, ok := m.table.AppendParam(b, m.strct, name)
if ok {
return b, true
}
switch name {
case "TableName":
b = fmter.FormatQuery(b, string(m.table.SQLName))
return b, true
case "TableAlias":
b = append(b, m.table.Alias...)
return b, true
case "TableColumns":
b = appendColumns(b, m.table.Alias, m.table.Fields)
return b, true
case "Columns":
b = appendColumns(b, "", m.table.Fields)
return b, true
case "TablePKs":
b = appendColumns(b, m.table.Alias, m.table.PKs)
return b, true
case "PKs":
b = appendColumns(b, "", m.table.PKs)
return b, true
}
return b, false
}
func (m *structTableModel) Root() reflect.Value {
return m.root
}
func (m *structTableModel) Index() []int {
return m.index
}
func (m *structTableModel) ParentIndex() []int {
return m.index[:len(m.index)-len(m.rel.Field.Index)]
}
func (m *structTableModel) Kind() reflect.Kind {
return reflect.Struct
}
func (m *structTableModel) Value() reflect.Value {
return m.strct
}
func (m *structTableModel) Mount(host reflect.Value) {
m.strct = host.FieldByIndex(m.rel.Field.Index)
m.structInited = false
}
func (m *structTableModel) initStruct() error {
if m.structInited {
return m.structInitErr
}
m.structInited = true
switch m.strct.Kind() {
case reflect.Invalid:
m.structInitErr = errModelNil
return m.structInitErr
case reflect.Interface:
m.strct = m.strct.Elem()
}
if m.strct.Kind() == reflect.Ptr {
if m.strct.IsNil() {
m.strct.Set(reflect.New(m.strct.Type().Elem()))
m.strct = m.strct.Elem()
} else {
m.strct = m.strct.Elem()
}
}
m.mountJoins()
return nil
}
func (m *structTableModel) mountJoins() {
for i := range m.joins {
j := &m.joins[i]
switch j.Rel.Type {
case HasOneRelation, BelongsToRelation:
j.JoinModel.Mount(m.strct)
}
}
}
func (structTableModel) Init() error {
return nil
}
func (m *structTableModel) NextColumnScanner() ColumnScanner {
return m
}
func (m *structTableModel) AddColumnScanner(_ ColumnScanner) error {
return nil
}
var _ BeforeScanHook = (*structTableModel)(nil)
func (m *structTableModel) BeforeScan(ctx context.Context) error {
if !m.table.hasFlag(beforeScanHookFlag) {
return nil
}
return callBeforeScanHook(ctx, m.strct.Addr())
}
var _ AfterScanHook = (*structTableModel)(nil)
func (m *structTableModel) AfterScan(ctx context.Context) error {
if !m.table.hasFlag(afterScanHookFlag) || !m.structInited {
return nil
}
var firstErr error
if err := callAfterScanHook(ctx, m.strct.Addr()); err != nil && firstErr == nil {
firstErr = err
}
for _, j := range m.joins {
switch j.Rel.Type {
case HasOneRelation, BelongsToRelation:
if err := j.JoinModel.AfterScan(ctx); err != nil && firstErr == nil {
firstErr = err
}
}
}
return firstErr
}
func (m *structTableModel) AfterSelect(ctx context.Context) error {
if m.table.hasFlag(afterSelectHookFlag) {
return callAfterSelectHook(ctx, m.strct.Addr())
}
return nil
}
func (m *structTableModel) BeforeInsert(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeInsertHookFlag) {
return callBeforeInsertHook(ctx, m.strct.Addr())
}
return ctx, nil
}
func (m *structTableModel) AfterInsert(ctx context.Context) error {
if m.table.hasFlag(afterInsertHookFlag) {
return callAfterInsertHook(ctx, m.strct.Addr())
}
return nil
}
func (m *structTableModel) BeforeUpdate(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeUpdateHookFlag) && !m.IsNil() {
return callBeforeUpdateHook(ctx, m.strct.Addr())
}
return ctx, nil
}
func (m *structTableModel) AfterUpdate(ctx context.Context) error {
if m.table.hasFlag(afterUpdateHookFlag) && !m.IsNil() {
return callAfterUpdateHook(ctx, m.strct.Addr())
}
return nil
}
func (m *structTableModel) BeforeDelete(ctx context.Context) (context.Context, error) {
if m.table.hasFlag(beforeDeleteHookFlag) && !m.IsNil() {
return callBeforeDeleteHook(ctx, m.strct.Addr())
}
return ctx, nil
}
func (m *structTableModel) AfterDelete(ctx context.Context) error {
if m.table.hasFlag(afterDeleteHookFlag) && !m.IsNil() {
return callAfterDeleteHook(ctx, m.strct.Addr())
}
return nil
}
func (m *structTableModel) ScanColumn(
col types.ColumnInfo, rd types.Reader, n int,
) error {
ok, err := m.scanColumn(col, rd, n)
if ok {
return err
}
if m.table.hasFlag(discardUnknownColumnsFlag) || col.Name[0] == '_' {
return nil
}
return fmt.Errorf(
"pg: can't find column=%s in %s "+
"(prefix the column with underscore or use discard_unknown_columns)",
col.Name, m.table,
)
}
func (m *structTableModel) scanColumn(col types.ColumnInfo, rd types.Reader, n int) (bool, error) {
// Don't init nil struct if value is NULL.
if n == -1 &&
!m.structInited &&
m.strct.Kind() == reflect.Ptr &&
m.strct.IsNil() {
return true, nil
}
if err := m.initStruct(); err != nil {
return true, err
}
joinName, fieldName := splitColumn(col.Name)
if joinName != "" {
if join := m.GetJoin(joinName); join != nil {
joinCol := col
joinCol.Name = fieldName
return join.JoinModel.scanColumn(joinCol, rd, n)
}
if m.table.ModelName == joinName {
joinCol := col
joinCol.Name = fieldName
return m.scanColumn(joinCol, rd, n)
}
}
field, ok := m.table.FieldsMap[col.Name]
if !ok {
return false, nil
}
return true, field.ScanValue(m.strct, rd, n)
}
func (m *structTableModel) GetJoin(name string) *join {
for i := range m.joins {
j := &m.joins[i]
if j.Rel.Field.GoName == name || j.Rel.Field.SQLName == name {
return j
}
}
return nil
}
func (m *structTableModel) GetJoins() []join {
return m.joins
}
func (m *structTableModel) AddJoin(j join) *join {
m.joins = append(m.joins, j)
return &m.joins[len(m.joins)-1]
}
func (m *structTableModel) Join(name string, apply func(*Query) (*Query, error)) *join {
return m.join(m.Value(), name, apply)
}
func (m *structTableModel) join(
bind reflect.Value, name string, apply func(*Query) (*Query, error),
) *join {
path := strings.Split(name, ".")
index := make([]int, 0, len(path))
currJoin := join{
BaseModel: m,
JoinModel: m,
}
var lastJoin *join
var hasColumnName bool
for _, name := range path {
rel, ok := currJoin.JoinModel.Table().Relations[name]
if !ok {
hasColumnName = true
break
}
currJoin.Rel = rel
index = append(index, rel.Field.Index...)
if j := currJoin.JoinModel.GetJoin(name); j != nil {
currJoin.BaseModel = j.BaseModel
currJoin.JoinModel = j.JoinModel
lastJoin = j
} else {
model, err := newTableModelIndex(m.table.Type, bind, index, rel)
if err != nil {
return nil
}
currJoin.Parent = lastJoin
currJoin.BaseModel = currJoin.JoinModel
currJoin.JoinModel = model
lastJoin = currJoin.BaseModel.AddJoin(currJoin)
}
}
// No joins with such name.
if lastJoin == nil {
return nil
}
if apply != nil {
lastJoin.ApplyQuery = apply
}
if hasColumnName {
column := path[len(path)-1]
if column == "_" {
if lastJoin.Columns == nil {
lastJoin.Columns = make([]string, 0)
}
} else {
lastJoin.Columns = append(lastJoin.Columns, column)
}
}
return lastJoin
}
func (m *structTableModel) setSoftDeleteField() error {
fv := m.table.SoftDeleteField.Value(m.strct)
return m.table.SetSoftDeleteField(fv)
}
func splitColumn(s string) (string, string) {
ind := strings.Index(s, "__")
if ind == -1 {
return "", s
}
return s[:ind], s[ind+2:]
}

52
vendor/github.com/go-pg/pg/v10/orm/msgpack.go generated vendored
View file

@ -1,52 +0,0 @@
package orm
import (
"reflect"
"github.com/vmihailenco/msgpack/v5"
"github.com/go-pg/pg/v10/types"
)
func msgpackAppender(_ reflect.Type) types.AppenderFunc {
return func(b []byte, v reflect.Value, flags int) []byte {
hexEnc := types.NewHexEncoder(b, flags)
enc := msgpack.GetEncoder()
defer msgpack.PutEncoder(enc)
enc.Reset(hexEnc)
if err := enc.EncodeValue(v); err != nil {
return types.AppendError(b, err)
}
if err := hexEnc.Close(); err != nil {
return types.AppendError(b, err)
}
return hexEnc.Bytes()
}
}
func msgpackScanner(_ reflect.Type) types.ScannerFunc {
return func(v reflect.Value, rd types.Reader, n int) error {
if n <= 0 {
return nil
}
hexDec, err := types.NewHexDecoder(rd, n)
if err != nil {
return err
}
dec := msgpack.GetDecoder()
defer msgpack.PutDecoder(dec)
dec.Reset(hexDec)
if err := dec.DecodeValue(v); err != nil {
return err
}
return nil
}
}

58
vendor/github.com/go-pg/pg/v10/orm/orm.go generated vendored
View file

@ -1,58 +0,0 @@
/*
The API in this package is not stable and may change without any notice.
*/
package orm
import (
"context"
"io"
"github.com/go-pg/pg/v10/types"
)
// ColumnScanner is used to scan column values.
type ColumnScanner interface {
// Scan assigns a column value from a row.
//
// An error should be returned if the value can not be stored
// without loss of information.
ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error
}
type QueryAppender interface {
AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error)
}
type TemplateAppender interface {
AppendTemplate(b []byte) ([]byte, error)
}
type QueryCommand interface {
QueryAppender
TemplateAppender
String() string
Operation() QueryOp
Clone() QueryCommand
Query() *Query
}
// DB is a common interface for pg.DB and pg.Tx types.
type DB interface {
Model(model ...interface{}) *Query
ModelContext(c context.Context, model ...interface{}) *Query
Exec(query interface{}, params ...interface{}) (Result, error)
ExecContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
ExecOne(query interface{}, params ...interface{}) (Result, error)
ExecOneContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
Query(model, query interface{}, params ...interface{}) (Result, error)
QueryContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
QueryOne(model, query interface{}, params ...interface{}) (Result, error)
QueryOneContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
CopyFrom(r io.Reader, query interface{}, params ...interface{}) (Result, error)
CopyTo(w io.Writer, query interface{}, params ...interface{}) (Result, error)
Context() context.Context
Formatter() QueryFormatter
}

1680
vendor/github.com/go-pg/pg/v10/orm/query.go generated vendored
View file

File diff suppressed because it is too large Load diff

33
vendor/github.com/go-pg/pg/v10/orm/relation.go generated vendored
View file

@ -1,33 +0,0 @@
package orm
import (
"fmt"
"github.com/go-pg/pg/v10/types"
)
const (
InvalidRelation = iota
HasOneRelation
BelongsToRelation
HasManyRelation
Many2ManyRelation
)
type Relation struct {
Type int
Field *Field
JoinTable *Table
BaseFKs []*Field
JoinFKs []*Field
Polymorphic *Field
M2MTableName types.Safe
M2MTableAlias types.Safe
M2MBaseFKs []string
M2MJoinFKs []string
}
func (r *Relation) String() string {
return fmt.Sprintf("relation=%s", r.Field.GoName)
}

14
vendor/github.com/go-pg/pg/v10/orm/result.go generated vendored
View file

@ -1,14 +0,0 @@
package orm
// Result summarizes an executed SQL command.
type Result interface {
Model() Model
// RowsAffected returns the number of rows affected by SELECT, INSERT, UPDATE,
// or DELETE queries. It returns -1 if query can't possibly affect any rows,
// e.g. in case of CREATE or SHOW queries.
RowsAffected() int
// RowsReturned returns the number of rows returned by the query.
RowsReturned() int
}

346
vendor/github.com/go-pg/pg/v10/orm/select.go generated vendored
View file

@ -1,346 +0,0 @@
package orm
import (
"bytes"
"fmt"
"strconv"
"strings"
"github.com/go-pg/pg/v10/types"
)
type SelectQuery struct {
q *Query
count string
}
var (
_ QueryAppender = (*SelectQuery)(nil)
_ QueryCommand = (*SelectQuery)(nil)
)
func NewSelectQuery(q *Query) *SelectQuery {
return &SelectQuery{
q: q,
}
}
func (q *SelectQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *SelectQuery) Operation() QueryOp {
return SelectOp
}
func (q *SelectQuery) Clone() QueryCommand {
return &SelectQuery{
q: q.q.Clone(),
count: q.count,
}
}
func (q *SelectQuery) Query() *Query {
return q.q
}
func (q *SelectQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *SelectQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) { //nolint:gocyclo
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
cteCount := q.count != "" && (len(q.q.group) > 0 || q.isDistinct())
if cteCount {
b = append(b, `WITH "_count_wrapper" AS (`...)
}
if len(q.q.with) > 0 {
b, err = q.q.appendWith(fmter, b)
if err != nil {
return nil, err
}
}
if len(q.q.union) > 0 {
b = append(b, '(')
}
b = append(b, "SELECT "...)
if len(q.q.distinctOn) > 0 {
b = append(b, "DISTINCT ON ("...)
for i, app := range q.q.distinctOn {
if i > 0 {
b = append(b, ", "...)
}
b, err = app.AppendQuery(fmter, b)
}
b = append(b, ") "...)
} else if q.q.distinctOn != nil {
b = append(b, "DISTINCT "...)
}
if q.count != "" && !cteCount {
b = append(b, q.count...)
} else {
b, err = q.appendColumns(fmter, b)
if err != nil {
return nil, err
}
}
if q.q.hasTables() {
b = append(b, " FROM "...)
b, err = q.appendTables(fmter, b)
if err != nil {
return nil, err
}
}
err = q.q.forEachHasOneJoin(func(j *join) error {
b = append(b, ' ')
b, err = j.appendHasOneJoin(fmter, b, q.q)
return err
})
if err != nil {
return nil, err
}
for _, j := range q.q.joins {
b, err = j.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
if len(q.q.where) > 0 || q.q.isSoftDelete() {
b = append(b, " WHERE "...)
b, err = q.q.appendWhere(fmter, b)
if err != nil {
return nil, err
}
}
if len(q.q.group) > 0 {
b = append(b, " GROUP BY "...)
for i, f := range q.q.group {
if i > 0 {
b = append(b, ", "...)
}
b, err = f.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
}
if len(q.q.having) > 0 {
b = append(b, " HAVING "...)
for i, f := range q.q.having {
if i > 0 {
b = append(b, " AND "...)
}
b = append(b, '(')
b, err = f.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
b = append(b, ')')
}
}
if q.count == "" {
if len(q.q.order) > 0 {
b = append(b, " ORDER BY "...)
for i, f := range q.q.order {
if i > 0 {
b = append(b, ", "...)
}
b, err = f.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
}
if q.q.limit != 0 {
b = append(b, " LIMIT "...)
b = strconv.AppendInt(b, int64(q.q.limit), 10)
}
if q.q.offset != 0 {
b = append(b, " OFFSET "...)
b = strconv.AppendInt(b, int64(q.q.offset), 10)
}
if q.q.selFor != nil {
b = append(b, " FOR "...)
b, err = q.q.selFor.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
} else if cteCount {
b = append(b, `) SELECT `...)
b = append(b, q.count...)
b = append(b, ` FROM "_count_wrapper"`...)
}
if len(q.q.union) > 0 {
b = append(b, ")"...)
for _, u := range q.q.union {
b = append(b, u.expr...)
b = append(b, '(')
b, err = u.query.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
b = append(b, ")"...)
}
}
return b, q.q.stickyErr
}
func (q SelectQuery) appendColumns(fmter QueryFormatter, b []byte) (_ []byte, err error) {
start := len(b)
switch {
case q.q.columns != nil:
b, err = q.q.appendColumns(fmter, b)
if err != nil {
return nil, err
}
case q.q.hasExplicitTableModel():
table := q.q.tableModel.Table()
if len(table.Fields) > 10 && isTemplateFormatter(fmter) {
b = append(b, table.Alias...)
b = append(b, '.')
b = types.AppendString(b, fmt.Sprintf("%d columns", len(table.Fields)), 2)
} else {
b = appendColumns(b, table.Alias, table.Fields)
}
default:
b = append(b, '*')
}
err = q.q.forEachHasOneJoin(func(j *join) error {
if len(b) != start {
b = append(b, ", "...)
start = len(b)
}
b = j.appendHasOneColumns(b)
return nil
})
if err != nil {
return nil, err
}
b = bytes.TrimSuffix(b, []byte(", "))
return b, nil
}
func (q *SelectQuery) isDistinct() bool {
if q.q.distinctOn != nil {
return true
}
for _, column := range q.q.columns {
column, ok := column.(*SafeQueryAppender)
if ok {
if strings.Contains(column.query, "DISTINCT") ||
strings.Contains(column.query, "distinct") {
return true
}
}
}
return false
}
func (q *SelectQuery) appendTables(fmter QueryFormatter, b []byte) (_ []byte, err error) {
tables := q.q.tables
if q.q.modelHasTableName() {
table := q.q.tableModel.Table()
b = fmter.FormatQuery(b, string(table.SQLNameForSelects))
if table.Alias != "" {
b = append(b, " AS "...)
b = append(b, table.Alias...)
}
if len(tables) > 0 {
b = append(b, ", "...)
}
} else if len(tables) > 0 {
b, err = tables[0].AppendQuery(fmter, b)
if err != nil {
return nil, err
}
if q.q.modelHasTableAlias() {
b = append(b, " AS "...)
b = append(b, q.q.tableModel.Table().Alias...)
}
tables = tables[1:]
if len(tables) > 0 {
b = append(b, ", "...)
}
}
for i, f := range tables {
if i > 0 {
b = append(b, ", "...)
}
b, err = f.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
return b, nil
}
//------------------------------------------------------------------------------
type joinQuery struct {
join *SafeQueryAppender
on []*condAppender
}
func (j *joinQuery) AppendOn(app *condAppender) {
j.on = append(j.on, app)
}
func (j *joinQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
b = append(b, ' ')
b, err = j.join.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
if len(j.on) > 0 {
b = append(b, " ON "...)
for i, on := range j.on {
if i > 0 {
b = on.AppendSep(b)
}
b, err = on.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
}
return b, nil
}

1560
vendor/github.com/go-pg/pg/v10/orm/table.go generated vendored
View file

File diff suppressed because it is too large Load diff

248
vendor/github.com/go-pg/pg/v10/orm/table_create.go generated vendored
View file

@ -1,248 +0,0 @@
package orm
import (
"sort"
"strconv"
"github.com/go-pg/pg/v10/types"
)
type CreateTableOptions struct {
Varchar int // replaces PostgreSQL data type `text` with `varchar(n)`
Temp bool
IfNotExists bool
// FKConstraints causes CreateTable to create foreign key constraints
// for has one relations. ON DELETE hook can be added using tag
// `pg:"on_delete:RESTRICT"` on foreign key field. ON UPDATE hook can be added using tag
// `pg:"on_update:CASCADE"`
FKConstraints bool
}
type CreateTableQuery struct {
q *Query
opt *CreateTableOptions
}
var (
_ QueryAppender = (*CreateTableQuery)(nil)
_ QueryCommand = (*CreateTableQuery)(nil)
)
func NewCreateTableQuery(q *Query, opt *CreateTableOptions) *CreateTableQuery {
return &CreateTableQuery{
q: q,
opt: opt,
}
}
func (q *CreateTableQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *CreateTableQuery) Operation() QueryOp {
return CreateTableOp
}
func (q *CreateTableQuery) Clone() QueryCommand {
return &CreateTableQuery{
q: q.q.Clone(),
opt: q.opt,
}
}
func (q *CreateTableQuery) Query() *Query {
return q.q
}
func (q *CreateTableQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *CreateTableQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if q.q.tableModel == nil {
return nil, errModelNil
}
table := q.q.tableModel.Table()
b = append(b, "CREATE "...)
if q.opt != nil && q.opt.Temp {
b = append(b, "TEMP "...)
}
b = append(b, "TABLE "...)
if q.opt != nil && q.opt.IfNotExists {
b = append(b, "IF NOT EXISTS "...)
}
b, err = q.q.appendFirstTable(fmter, b)
if err != nil {
return nil, err
}
b = append(b, " ("...)
for i, field := range table.Fields {
if i > 0 {
b = append(b, ", "...)
}
b = append(b, field.Column...)
b = append(b, " "...)
b = q.appendSQLType(b, field)
if field.hasFlag(NotNullFlag) {
b = append(b, " NOT NULL"...)
}
if field.hasFlag(UniqueFlag) {
b = append(b, " UNIQUE"...)
}
if field.Default != "" {
b = append(b, " DEFAULT "...)
b = append(b, field.Default...)
}
}
b = appendPKConstraint(b, table.PKs)
b = appendUniqueConstraints(b, table)
if q.opt != nil && q.opt.FKConstraints {
for _, rel := range table.Relations {
b = q.appendFKConstraint(fmter, b, rel)
}
}
b = append(b, ")"...)
if table.PartitionBy != "" {
b = append(b, " PARTITION BY "...)
b = append(b, table.PartitionBy...)
}
if table.Tablespace != "" {
b = q.appendTablespace(b, table.Tablespace)
}
return b, q.q.stickyErr
}
func (q *CreateTableQuery) appendSQLType(b []byte, field *Field) []byte {
if field.UserSQLType != "" {
return append(b, field.UserSQLType...)
}
if q.opt != nil && q.opt.Varchar > 0 &&
field.SQLType == "text" {
b = append(b, "varchar("...)
b = strconv.AppendInt(b, int64(q.opt.Varchar), 10)
b = append(b, ")"...)
return b
}
if field.hasFlag(PrimaryKeyFlag) {
return append(b, pkSQLType(field.SQLType)...)
}
return append(b, field.SQLType...)
}
func pkSQLType(s string) string {
switch s {
case pgTypeSmallint:
return pgTypeSmallserial
case pgTypeInteger:
return pgTypeSerial
case pgTypeBigint:
return pgTypeBigserial
}
return s
}
func appendPKConstraint(b []byte, pks []*Field) []byte {
if len(pks) == 0 {
return b
}
b = append(b, ", PRIMARY KEY ("...)
b = appendColumns(b, "", pks)
b = append(b, ")"...)
return b
}
func appendUniqueConstraints(b []byte, table *Table) []byte {
keys := make([]string, 0, len(table.Unique))
for key := range table.Unique {
keys = append(keys, key)
}
sort.Strings(keys)
for _, key := range keys {
b = appendUnique(b, table.Unique[key])
}
return b
}
func appendUnique(b []byte, fields []*Field) []byte {
b = append(b, ", UNIQUE ("...)
b = appendColumns(b, "", fields)
b = append(b, ")"...)
return b
}
func (q *CreateTableQuery) appendFKConstraint(fmter QueryFormatter, b []byte, rel *Relation) []byte {
if rel.Type != HasOneRelation {
return b
}
b = append(b, ", FOREIGN KEY ("...)
b = appendColumns(b, "", rel.BaseFKs)
b = append(b, ")"...)
b = append(b, " REFERENCES "...)
b = fmter.FormatQuery(b, string(rel.JoinTable.SQLName))
b = append(b, " ("...)
b = appendColumns(b, "", rel.JoinFKs)
b = append(b, ")"...)
if s := onDelete(rel.BaseFKs); s != "" {
b = append(b, " ON DELETE "...)
b = append(b, s...)
}
if s := onUpdate(rel.BaseFKs); s != "" {
b = append(b, " ON UPDATE "...)
b = append(b, s...)
}
return b
}
func (q *CreateTableQuery) appendTablespace(b []byte, tableSpace types.Safe) []byte {
b = append(b, " TABLESPACE "...)
b = append(b, tableSpace...)
return b
}
func onDelete(fks []*Field) string {
var onDelete string
for _, f := range fks {
if f.OnDelete != "" {
onDelete = f.OnDelete
break
}
}
return onDelete
}
func onUpdate(fks []*Field) string {
var onUpdate string
for _, f := range fks {
if f.OnUpdate != "" {
onUpdate = f.OnUpdate
break
}
}
return onUpdate
}

73
vendor/github.com/go-pg/pg/v10/orm/table_drop.go generated vendored
View file

@ -1,73 +0,0 @@
package orm
type DropTableOptions struct {
IfExists bool
Cascade bool
}
type DropTableQuery struct {
q *Query
opt *DropTableOptions
}
var (
_ QueryAppender = (*DropTableQuery)(nil)
_ QueryCommand = (*DropTableQuery)(nil)
)
func NewDropTableQuery(q *Query, opt *DropTableOptions) *DropTableQuery {
return &DropTableQuery{
q: q,
opt: opt,
}
}
func (q *DropTableQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *DropTableQuery) Operation() QueryOp {
return DropTableOp
}
func (q *DropTableQuery) Clone() QueryCommand {
return &DropTableQuery{
q: q.q.Clone(),
opt: q.opt,
}
}
func (q *DropTableQuery) Query() *Query {
return q.q
}
func (q *DropTableQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *DropTableQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if q.q.tableModel == nil {
return nil, errModelNil
}
b = append(b, "DROP TABLE "...)
if q.opt != nil && q.opt.IfExists {
b = append(b, "IF EXISTS "...)
}
b, err = q.q.appendFirstTable(fmter, b)
if err != nil {
return nil, err
}
if q.opt != nil && q.opt.Cascade {
b = append(b, " CASCADE"...)
}
return b, q.q.stickyErr
}

29
vendor/github.com/go-pg/pg/v10/orm/table_params.go generated vendored
View file

@ -1,29 +0,0 @@
package orm
import "reflect"
type tableParams struct {
table *Table
strct reflect.Value
}
func newTableParams(strct interface{}) (*tableParams, bool) {
v := reflect.ValueOf(strct)
if !v.IsValid() {
return nil, false
}
v = reflect.Indirect(v)
if v.Kind() != reflect.Struct {
return nil, false
}
return &tableParams{
table: GetTable(v.Type()),
strct: v,
}, true
}
func (m *tableParams) AppendParam(fmter QueryFormatter, b []byte, name string) ([]byte, bool) {
return m.table.AppendParam(b, m.strct, name)
}

48
vendor/github.com/go-pg/pg/v10/orm/types.go generated vendored
View file

@ -1,48 +0,0 @@
package orm
//nolint
const (
// Date / Time
pgTypeTimestamp = "timestamp" // Timestamp without a time zone
pgTypeTimestampTz = "timestamptz" // Timestamp with a time zone
pgTypeDate = "date" // Date
pgTypeTime = "time" // Time without a time zone
pgTypeTimeTz = "time with time zone" // Time with a time zone
pgTypeInterval = "interval" // Time Interval
// Network Addresses
pgTypeInet = "inet" // IPv4 or IPv6 hosts and networks
pgTypeCidr = "cidr" // IPv4 or IPv6 networks
pgTypeMacaddr = "macaddr" // MAC addresses
// Boolean
pgTypeBoolean = "boolean"
// Numeric Types
// Floating Point Types
pgTypeReal = "real" // 4 byte floating point (6 digit precision)
pgTypeDoublePrecision = "double precision" // 8 byte floating point (15 digit precision)
// Integer Types
pgTypeSmallint = "smallint" // 2 byte integer
pgTypeInteger = "integer" // 4 byte integer
pgTypeBigint = "bigint" // 8 byte integer
// Serial Types
pgTypeSmallserial = "smallserial" // 2 byte autoincrementing integer
pgTypeSerial = "serial" // 4 byte autoincrementing integer
pgTypeBigserial = "bigserial" // 8 byte autoincrementing integer
// Character Types
pgTypeVarchar = "varchar" // variable length string with limit
pgTypeChar = "char" // fixed length string (blank padded)
pgTypeText = "text" // variable length string without limit
// JSON Types
pgTypeJSON = "json" // text representation of json data
pgTypeJSONB = "jsonb" // binary representation of json data
// Binary Data Types
pgTypeBytea = "bytea" // binary string
)

378
vendor/github.com/go-pg/pg/v10/orm/update.go generated vendored
View file

@ -1,378 +0,0 @@
package orm
import (
"fmt"
"reflect"
"sort"
"github.com/go-pg/pg/v10/types"
)
type UpdateQuery struct {
q *Query
omitZero bool
placeholder bool
}
var (
_ QueryAppender = (*UpdateQuery)(nil)
_ QueryCommand = (*UpdateQuery)(nil)
)
func NewUpdateQuery(q *Query, omitZero bool) *UpdateQuery {
return &UpdateQuery{
q: q,
omitZero: omitZero,
}
}
func (q *UpdateQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *UpdateQuery) Operation() QueryOp {
return UpdateOp
}
func (q *UpdateQuery) Clone() QueryCommand {
return &UpdateQuery{
q: q.q.Clone(),
omitZero: q.omitZero,
placeholder: q.placeholder,
}
}
func (q *UpdateQuery) Query() *Query {
return q.q
}
func (q *UpdateQuery) AppendTemplate(b []byte) ([]byte, error) {
cp := q.Clone().(*UpdateQuery)
cp.placeholder = true
return cp.AppendQuery(dummyFormatter{}, b)
}
func (q *UpdateQuery) AppendQuery(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if len(q.q.with) > 0 {
b, err = q.q.appendWith(fmter, b)
if err != nil {
return nil, err
}
}
b = append(b, "UPDATE "...)
b, err = q.q.appendFirstTableWithAlias(fmter, b)
if err != nil {
return nil, err
}
b, err = q.mustAppendSet(fmter, b)
if err != nil {
return nil, err
}
isSliceModelWithData := q.q.isSliceModelWithData()
if isSliceModelWithData || q.q.hasMultiTables() {
b = append(b, " FROM "...)
b, err = q.q.appendOtherTables(fmter, b)
if err != nil {
return nil, err
}
if isSliceModelWithData {
b, err = q.appendSliceModelData(fmter, b)
if err != nil {
return nil, err
}
}
}
b, err = q.mustAppendWhere(fmter, b, isSliceModelWithData)
if err != nil {
return nil, err
}
if len(q.q.returning) > 0 {
b, err = q.q.appendReturning(fmter, b)
if err != nil {
return nil, err
}
}
return b, q.q.stickyErr
}
func (q *UpdateQuery) mustAppendWhere(
fmter QueryFormatter, b []byte, isSliceModelWithData bool,
) (_ []byte, err error) {
b = append(b, " WHERE "...)
if !isSliceModelWithData {
return q.q.mustAppendWhere(fmter, b)
}
if len(q.q.where) > 0 {
return q.q.appendWhere(fmter, b)
}
table := q.q.tableModel.Table()
err = table.checkPKs()
if err != nil {
return nil, err
}
b = appendWhereColumnAndColumn(b, table.Alias, table.PKs)
return b, nil
}
func (q *UpdateQuery) mustAppendSet(fmter QueryFormatter, b []byte) (_ []byte, err error) {
if len(q.q.set) > 0 {
return q.q.appendSet(fmter, b)
}
b = append(b, " SET "...)
if m, ok := q.q.model.(*mapModel); ok {
return q.appendMapSet(b, m.m), nil
}
if !q.q.hasTableModel() {
return nil, errModelNil
}
value := q.q.tableModel.Value()
if value.Kind() == reflect.Struct {
b, err = q.appendSetStruct(fmter, b, value)
} else {
if value.Len() > 0 {
b, err = q.appendSetSlice(b)
} else {
err = fmt.Errorf("pg: can't bulk-update empty slice %s", value.Type())
}
}
if err != nil {
return nil, err
}
return b, nil
}
func (q *UpdateQuery) appendMapSet(b []byte, m map[string]interface{}) []byte {
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
sort.Strings(keys)
for i, k := range keys {
if i > 0 {
b = append(b, ", "...)
}
b = types.AppendIdent(b, k, 1)
b = append(b, " = "...)
if q.placeholder {
b = append(b, '?')
} else {
b = types.Append(b, m[k], 1)
}
}
return b
}
func (q *UpdateQuery) appendSetStruct(fmter QueryFormatter, b []byte, strct reflect.Value) ([]byte, error) {
fields, err := q.q.getFields()
if err != nil {
return nil, err
}
if len(fields) == 0 {
fields = q.q.tableModel.Table().DataFields
}
pos := len(b)
for _, f := range fields {
if q.omitZero && f.NullZero() && f.HasZeroValue(strct) {
continue
}
if len(b) != pos {
b = append(b, ", "...)
pos = len(b)
}
b = append(b, f.Column...)
b = append(b, " = "...)
if q.placeholder {
b = append(b, '?')
continue
}
app, ok := q.q.modelValues[f.SQLName]
if ok {
b, err = app.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
} else {
b = f.AppendValue(b, strct, 1)
}
}
for i, v := range q.q.extraValues {
if i > 0 || len(fields) > 0 {
b = append(b, ", "...)
}
b = append(b, v.column...)
b = append(b, " = "...)
b, err = v.value.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
}
return b, nil
}
func (q *UpdateQuery) appendSetSlice(b []byte) ([]byte, error) {
fields, err := q.q.getFields()
if err != nil {
return nil, err
}
if len(fields) == 0 {
fields = q.q.tableModel.Table().DataFields
}
var table *Table
if q.omitZero {
table = q.q.tableModel.Table()
}
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
b = append(b, f.Column...)
b = append(b, " = "...)
if q.omitZero && table != nil {
b = append(b, "COALESCE("...)
}
b = append(b, "_data."...)
b = append(b, f.Column...)
if q.omitZero && table != nil {
b = append(b, ", "...)
if table.Alias != table.SQLName {
b = append(b, table.Alias...)
b = append(b, '.')
}
b = append(b, f.Column...)
b = append(b, ")"...)
}
}
return b, nil
}
func (q *UpdateQuery) appendSliceModelData(fmter QueryFormatter, b []byte) ([]byte, error) {
columns, err := q.q.getDataFields()
if err != nil {
return nil, err
}
if len(columns) > 0 {
columns = append(columns, q.q.tableModel.Table().PKs...)
} else {
columns = q.q.tableModel.Table().Fields
}
return q.appendSliceValues(fmter, b, columns, q.q.tableModel.Value())
}
func (q *UpdateQuery) appendSliceValues(
fmter QueryFormatter, b []byte, fields []*Field, slice reflect.Value,
) (_ []byte, err error) {
b = append(b, "(VALUES ("...)
if q.placeholder {
b, err = q.appendValues(fmter, b, fields, reflect.Value{})
if err != nil {
return nil, err
}
} else {
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
if i > 0 {
b = append(b, "), ("...)
}
b, err = q.appendValues(fmter, b, fields, slice.Index(i))
if err != nil {
return nil, err
}
}
}
b = append(b, ")) AS _data("...)
b = appendColumns(b, "", fields)
b = append(b, ")"...)
return b, nil
}
func (q *UpdateQuery) appendValues(
fmter QueryFormatter, b []byte, fields []*Field, strct reflect.Value,
) (_ []byte, err error) {
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
app, ok := q.q.modelValues[f.SQLName]
if ok {
b, err = app.AppendQuery(fmter, b)
if err != nil {
return nil, err
}
continue
}
if q.placeholder {
b = append(b, '?')
} else {
b = f.AppendValue(b, indirect(strct), 1)
}
b = append(b, "::"...)
b = append(b, f.SQLType...)
}
return b, nil
}
func appendWhereColumnAndColumn(b []byte, alias types.Safe, fields []*Field) []byte {
for i, f := range fields {
if i > 0 {
b = append(b, " AND "...)
}
b = append(b, alias...)
b = append(b, '.')
b = append(b, f.Column...)
b = append(b, " = _data."...)
b = append(b, f.Column...)
}
return b
}

151
vendor/github.com/go-pg/pg/v10/orm/util.go generated vendored
View file

@ -1,151 +0,0 @@
package orm
import (
"reflect"
"github.com/go-pg/pg/v10/types"
)
func indirect(v reflect.Value) reflect.Value {
switch v.Kind() {
case reflect.Interface:
return indirect(v.Elem())
case reflect.Ptr:
return v.Elem()
default:
return v
}
}
func indirectType(t reflect.Type) reflect.Type {
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
return t
}
func sliceElemType(v reflect.Value) reflect.Type {
elemType := v.Type().Elem()
if elemType.Kind() == reflect.Interface && v.Len() > 0 {
return indirect(v.Index(0).Elem()).Type()
}
return indirectType(elemType)
}
func typeByIndex(t reflect.Type, index []int) reflect.Type {
for _, x := range index {
switch t.Kind() {
case reflect.Ptr:
t = t.Elem()
case reflect.Slice:
t = indirectType(t.Elem())
}
t = t.Field(x).Type
}
return indirectType(t)
}
func fieldByIndex(v reflect.Value, index []int) (_ reflect.Value, ok bool) {
if len(index) == 1 {
return v.Field(index[0]), true
}
for i, idx := range index {
if i > 0 {
if v.Kind() == reflect.Ptr {
if v.IsNil() {
return v, false
}
v = v.Elem()
}
}
v = v.Field(idx)
}
return v, true
}
func fieldByIndexAlloc(v reflect.Value, index []int) reflect.Value {
if len(index) == 1 {
return v.Field(index[0])
}
for i, idx := range index {
if i > 0 {
v = indirectNil(v)
}
v = v.Field(idx)
}
return v
}
func indirectNil(v reflect.Value) reflect.Value {
if v.Kind() == reflect.Ptr {
if v.IsNil() {
v.Set(reflect.New(v.Type().Elem()))
}
v = v.Elem()
}
return v
}
func walk(v reflect.Value, index []int, fn func(reflect.Value)) {
v = reflect.Indirect(v)
switch v.Kind() {
case reflect.Slice:
sliceLen := v.Len()
for i := 0; i < sliceLen; i++ {
visitField(v.Index(i), index, fn)
}
default:
visitField(v, index, fn)
}
}
func visitField(v reflect.Value, index []int, fn func(reflect.Value)) {
v = reflect.Indirect(v)
if len(index) > 0 {
v = v.Field(index[0])
if v.Kind() == reflect.Ptr && v.IsNil() {
return
}
walk(v, index[1:], fn)
} else {
fn(v)
}
}
func dstValues(model TableModel, fields []*Field) map[string][]reflect.Value {
fieldIndex := model.Relation().Field.Index
m := make(map[string][]reflect.Value)
var id []byte
walk(model.Root(), model.ParentIndex(), func(v reflect.Value) {
id = modelID(id[:0], v, fields)
m[string(id)] = append(m[string(id)], v.FieldByIndex(fieldIndex))
})
return m
}
func modelID(b []byte, v reflect.Value, fields []*Field) []byte {
for i, f := range fields {
if i > 0 {
b = append(b, ',')
}
b = f.AppendValue(b, v, 0)
}
return b
}
func appendColumns(b []byte, table types.Safe, fields []*Field) []byte {
for i, f := range fields {
if i > 0 {
b = append(b, ", "...)
}
if len(table) > 0 {
b = append(b, table...)
b = append(b, '.')
}
b = append(b, f.Column...)
}
return b
}

274
vendor/github.com/go-pg/pg/v10/pg.go generated vendored
View file

@ -1,274 +0,0 @@
package pg
import (
"context"
"io"
"strconv"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/orm"
"github.com/go-pg/pg/v10/types"
)
// Discard is used with Query and QueryOne to discard rows.
var Discard orm.Discard
// NullTime is a time.Time wrapper that marshals zero time as JSON null and
// PostgreSQL NULL.
type NullTime = types.NullTime
// Scan returns ColumnScanner that copies the columns in the
// row into the values.
func Scan(values ...interface{}) orm.ColumnScanner {
return orm.Scan(values...)
}
// Safe represents a safe SQL query.
type Safe = types.Safe
// Ident represents a SQL identifier, e.g. table or column name.
type Ident = types.Ident
// SafeQuery replaces any placeholders found in the query.
func SafeQuery(query string, params ...interface{}) *orm.SafeQueryAppender {
return orm.SafeQuery(query, params...)
}
// In accepts a slice and returns a wrapper that can be used with PostgreSQL
// IN operator:
//
// Where("id IN (?)", pg.In([]int{1, 2, 3, 4}))
//
// produces
//
// WHERE id IN (1, 2, 3, 4)
func In(slice interface{}) types.ValueAppender {
return types.In(slice)
}
// InMulti accepts multiple values and returns a wrapper that can be used
// with PostgreSQL IN operator:
//
// Where("(id1, id2) IN (?)", pg.InMulti([]int{1, 2}, []int{3, 4}))
//
// produces
//
// WHERE (id1, id2) IN ((1, 2), (3, 4))
func InMulti(values ...interface{}) types.ValueAppender {
return types.InMulti(values...)
}
// Array accepts a slice and returns a wrapper for working with PostgreSQL
// array data type.
//
// For struct fields you can use array tag:
//
// Emails []string `pg:",array"`
func Array(v interface{}) *types.Array {
return types.NewArray(v)
}
// Hstore accepts a map and returns a wrapper for working with hstore data type.
// Supported map types are:
// - map[string]string
//
// For struct fields you can use hstore tag:
//
// Attrs map[string]string `pg:",hstore"`
func Hstore(v interface{}) *types.Hstore {
return types.NewHstore(v)
}
// SetLogger sets the logger to the given one.
func SetLogger(logger internal.Logging) {
internal.Logger = logger
}
//------------------------------------------------------------------------------
type Query = orm.Query
// Model returns a new query for the optional model.
func Model(model ...interface{}) *Query {
return orm.NewQuery(nil, model...)
}
// ModelContext returns a new query for the optional model with a context.
func ModelContext(c context.Context, model ...interface{}) *Query {
return orm.NewQueryContext(c, nil, model...)
}
// DBI is a DB interface implemented by *DB and *Tx.
type DBI interface {
Model(model ...interface{}) *Query
ModelContext(c context.Context, model ...interface{}) *Query
Exec(query interface{}, params ...interface{}) (Result, error)
ExecContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
ExecOne(query interface{}, params ...interface{}) (Result, error)
ExecOneContext(c context.Context, query interface{}, params ...interface{}) (Result, error)
Query(model, query interface{}, params ...interface{}) (Result, error)
QueryContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
QueryOne(model, query interface{}, params ...interface{}) (Result, error)
QueryOneContext(c context.Context, model, query interface{}, params ...interface{}) (Result, error)
Begin() (*Tx, error)
RunInTransaction(ctx context.Context, fn func(*Tx) error) error
CopyFrom(r io.Reader, query interface{}, params ...interface{}) (Result, error)
CopyTo(w io.Writer, query interface{}, params ...interface{}) (Result, error)
}
var (
_ DBI = (*DB)(nil)
_ DBI = (*Tx)(nil)
)
//------------------------------------------------------------------------------
// Strings is a type alias for a slice of strings.
type Strings []string
var (
_ orm.HooklessModel = (*Strings)(nil)
_ types.ValueAppender = (*Strings)(nil)
)
// Init initializes the Strings slice.
func (strings *Strings) Init() error {
if s := *strings; len(s) > 0 {
*strings = s[:0]
}
return nil
}
// NextColumnScanner ...
func (strings *Strings) NextColumnScanner() orm.ColumnScanner {
return strings
}
// AddColumnScanner ...
func (Strings) AddColumnScanner(_ orm.ColumnScanner) error {
return nil
}
// ScanColumn scans the columns and appends them to `strings`.
func (strings *Strings) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
b := make([]byte, n)
_, err := io.ReadFull(rd, b)
if err != nil {
return err
}
*strings = append(*strings, internal.BytesToString(b))
return nil
}
// AppendValue appends the values from `strings` to the given byte slice.
func (strings Strings) AppendValue(dst []byte, quote int) ([]byte, error) {
if len(strings) == 0 {
return dst, nil
}
for _, s := range strings {
dst = types.AppendString(dst, s, 1)
dst = append(dst, ',')
}
dst = dst[:len(dst)-1]
return dst, nil
}
//------------------------------------------------------------------------------
// Ints is a type alias for a slice of int64 values.
type Ints []int64
var (
_ orm.HooklessModel = (*Ints)(nil)
_ types.ValueAppender = (*Ints)(nil)
)
// Init initializes the Int slice.
func (ints *Ints) Init() error {
if s := *ints; len(s) > 0 {
*ints = s[:0]
}
return nil
}
// NewColumnScanner ...
func (ints *Ints) NextColumnScanner() orm.ColumnScanner {
return ints
}
// AddColumnScanner ...
func (Ints) AddColumnScanner(_ orm.ColumnScanner) error {
return nil
}
// ScanColumn scans the columns and appends them to `ints`.
func (ints *Ints) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
num, err := types.ScanInt64(rd, n)
if err != nil {
return err
}
*ints = append(*ints, num)
return nil
}
// AppendValue appends the values from `ints` to the given byte slice.
func (ints Ints) AppendValue(dst []byte, quote int) ([]byte, error) {
if len(ints) == 0 {
return dst, nil
}
for _, v := range ints {
dst = strconv.AppendInt(dst, v, 10)
dst = append(dst, ',')
}
dst = dst[:len(dst)-1]
return dst, nil
}
//------------------------------------------------------------------------------
// IntSet is a set of int64 values.
type IntSet map[int64]struct{}
var _ orm.HooklessModel = (*IntSet)(nil)
// Init initializes the IntSet.
func (set *IntSet) Init() error {
if len(*set) > 0 {
*set = make(map[int64]struct{})
}
return nil
}
// NextColumnScanner ...
func (set *IntSet) NextColumnScanner() orm.ColumnScanner {
return set
}
// AddColumnScanner ...
func (IntSet) AddColumnScanner(_ orm.ColumnScanner) error {
return nil
}
// ScanColumn scans the columns and appends them to `IntSet`.
func (set *IntSet) ScanColumn(col types.ColumnInfo, rd types.Reader, n int) error {
num, err := types.ScanInt64(rd, n)
if err != nil {
return err
}
setVal := *set
if setVal == nil {
*set = make(IntSet)
setVal = *set
}
setVal[num] = struct{}{}
return nil
}

53
vendor/github.com/go-pg/pg/v10/result.go generated vendored
View file

@ -1,53 +0,0 @@
package pg
import (
"bytes"
"strconv"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/orm"
)
// Result summarizes an executed SQL command.
type Result = orm.Result
// A result summarizes an executed SQL command.
type result struct {
model orm.Model
affected int
returned int
}
var _ Result = (*result)(nil)
//nolint
func (res *result) parse(b []byte) error {
res.affected = -1
ind := bytes.LastIndexByte(b, ' ')
if ind == -1 {
return nil
}
s := internal.BytesToString(b[ind+1 : len(b)-1])
affected, err := strconv.Atoi(s)
if err == nil {
res.affected = affected
}
return nil
}
func (res *result) Model() orm.Model {
return res.model
}
func (res *result) RowsAffected() int {
return res.affected
}
func (res *result) RowsReturned() int {
return res.returned
}

282
vendor/github.com/go-pg/pg/v10/stmt.go generated vendored
View file

@ -1,282 +0,0 @@
package pg
import (
"context"
"errors"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/orm"
"github.com/go-pg/pg/v10/types"
)
var errStmtClosed = errors.New("pg: statement is closed")
// Stmt is a prepared statement. Stmt is safe for concurrent use by
// multiple goroutines.
type Stmt struct {
db *baseDB
stickyErr error
q string
name string
columns []types.ColumnInfo
}
func prepareStmt(db *baseDB, q string) (*Stmt, error) {
stmt := &Stmt{
db: db,
q: q,
}
err := stmt.prepare(context.TODO(), q)
if err != nil {
_ = stmt.Close()
return nil, err
}
return stmt, nil
}
func (stmt *Stmt) prepare(ctx context.Context, q string) error {
var lastErr error
for attempt := 0; attempt <= stmt.db.opt.MaxRetries; attempt++ {
if attempt > 0 {
if err := internal.Sleep(ctx, stmt.db.retryBackoff(attempt-1)); err != nil {
return err
}
err := stmt.db.pool.(*pool.StickyConnPool).Reset(ctx)
if err != nil {
return err
}
}
lastErr = stmt.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
var err error
stmt.name, stmt.columns, err = stmt.db.prepare(ctx, cn, q)
return err
})
if !stmt.db.shouldRetry(lastErr) {
break
}
}
return lastErr
}
func (stmt *Stmt) withConn(c context.Context, fn func(context.Context, *pool.Conn) error) error {
if stmt.stickyErr != nil {
return stmt.stickyErr
}
err := stmt.db.withConn(c, fn)
if err == pool.ErrClosed {
return errStmtClosed
}
return err
}
// Exec executes a prepared statement with the given parameters.
func (stmt *Stmt) Exec(params ...interface{}) (Result, error) {
return stmt.exec(context.TODO(), params...)
}
// ExecContext executes a prepared statement with the given parameters.
func (stmt *Stmt) ExecContext(c context.Context, params ...interface{}) (Result, error) {
return stmt.exec(c, params...)
}
func (stmt *Stmt) exec(ctx context.Context, params ...interface{}) (Result, error) {
ctx, evt, err := stmt.db.beforeQuery(ctx, stmt.db.db, nil, stmt.q, params, nil)
if err != nil {
return nil, err
}
var res Result
var lastErr error
for attempt := 0; attempt <= stmt.db.opt.MaxRetries; attempt++ {
if attempt > 0 {
lastErr = internal.Sleep(ctx, stmt.db.retryBackoff(attempt-1))
if lastErr != nil {
break
}
}
lastErr = stmt.withConn(ctx, func(c context.Context, cn *pool.Conn) error {
res, err = stmt.extQuery(ctx, cn, stmt.name, params...)
return err
})
if !stmt.db.shouldRetry(lastErr) {
break
}
}
if err := stmt.db.afterQuery(ctx, evt, res, lastErr); err != nil {
return nil, err
}
return res, lastErr
}
// ExecOne acts like Exec, but query must affect only one row. It
// returns ErrNoRows error when query returns zero rows or
// ErrMultiRows when query returns multiple rows.
func (stmt *Stmt) ExecOne(params ...interface{}) (Result, error) {
return stmt.execOne(context.Background(), params...)
}
// ExecOneContext acts like ExecOne but additionally receives a context.
func (stmt *Stmt) ExecOneContext(c context.Context, params ...interface{}) (Result, error) {
return stmt.execOne(c, params...)
}
func (stmt *Stmt) execOne(c context.Context, params ...interface{}) (Result, error) {
res, err := stmt.ExecContext(c, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// Query executes a prepared query statement with the given parameters.
func (stmt *Stmt) Query(model interface{}, params ...interface{}) (Result, error) {
return stmt.query(context.Background(), model, params...)
}
// QueryContext acts like Query but additionally receives a context.
func (stmt *Stmt) QueryContext(c context.Context, model interface{}, params ...interface{}) (Result, error) {
return stmt.query(c, model, params...)
}
func (stmt *Stmt) query(ctx context.Context, model interface{}, params ...interface{}) (Result, error) {
ctx, evt, err := stmt.db.beforeQuery(ctx, stmt.db.db, model, stmt.q, params, nil)
if err != nil {
return nil, err
}
var res Result
var lastErr error
for attempt := 0; attempt <= stmt.db.opt.MaxRetries; attempt++ {
if attempt > 0 {
lastErr = internal.Sleep(ctx, stmt.db.retryBackoff(attempt-1))
if lastErr != nil {
break
}
}
lastErr = stmt.withConn(ctx, func(c context.Context, cn *pool.Conn) error {
res, err = stmt.extQueryData(ctx, cn, stmt.name, model, stmt.columns, params...)
return err
})
if !stmt.db.shouldRetry(lastErr) {
break
}
}
if err := stmt.db.afterQuery(ctx, evt, res, lastErr); err != nil {
return nil, err
}
return res, lastErr
}
// QueryOne acts like Query, but query must return only one row. It
// returns ErrNoRows error when query returns zero rows or
// ErrMultiRows when query returns multiple rows.
func (stmt *Stmt) QueryOne(model interface{}, params ...interface{}) (Result, error) {
return stmt.queryOne(context.Background(), model, params...)
}
// QueryOneContext acts like QueryOne but additionally receives a context.
func (stmt *Stmt) QueryOneContext(c context.Context, model interface{}, params ...interface{}) (Result, error) {
return stmt.queryOne(c, model, params...)
}
func (stmt *Stmt) queryOne(c context.Context, model interface{}, params ...interface{}) (Result, error) {
mod, err := orm.NewModel(model)
if err != nil {
return nil, err
}
res, err := stmt.QueryContext(c, mod, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// Close closes the statement.
func (stmt *Stmt) Close() error {
var firstErr error
if stmt.name != "" {
firstErr = stmt.closeStmt()
}
err := stmt.db.Close()
if err != nil && firstErr == nil {
firstErr = err
}
return firstErr
}
func (stmt *Stmt) extQuery(
c context.Context, cn *pool.Conn, name string, params ...interface{},
) (Result, error) {
err := cn.WithWriter(c, stmt.db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
return writeBindExecuteMsg(wb, name, params...)
})
if err != nil {
return nil, err
}
var res Result
err = cn.WithReader(c, stmt.db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
res, err = readExtQuery(rd)
return err
})
if err != nil {
return nil, err
}
return res, nil
}
func (stmt *Stmt) extQueryData(
c context.Context,
cn *pool.Conn,
name string,
model interface{},
columns []types.ColumnInfo,
params ...interface{},
) (Result, error) {
err := cn.WithWriter(c, stmt.db.opt.WriteTimeout, func(wb *pool.WriteBuffer) error {
return writeBindExecuteMsg(wb, name, params...)
})
if err != nil {
return nil, err
}
var res *result
err = cn.WithReader(c, stmt.db.opt.ReadTimeout, func(rd *pool.ReaderContext) error {
res, err = readExtQueryData(c, rd, model, columns)
return err
})
if err != nil {
return nil, err
}
return res, nil
}
func (stmt *Stmt) closeStmt() error {
return stmt.withConn(context.TODO(), func(c context.Context, cn *pool.Conn) error {
return stmt.db.closeStmt(c, cn, stmt.name)
})
}

388
vendor/github.com/go-pg/pg/v10/tx.go generated vendored
View file

@ -1,388 +0,0 @@
package pg
import (
"context"
"errors"
"io"
"sync"
"sync/atomic"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/orm"
)
// ErrTxDone is returned by any operation that is performed on a transaction
// that has already been committed or rolled back.
var ErrTxDone = errors.New("pg: transaction has already been committed or rolled back")
// Tx is an in-progress database transaction. It is safe for concurrent use
// by multiple goroutines.
//
// A transaction must end with a call to Commit or Rollback.
//
// After a call to Commit or Rollback, all operations on the transaction fail
// with ErrTxDone.
//
// The statements prepared for a transaction by calling the transaction's
// Prepare or Stmt methods are closed by the call to Commit or Rollback.
type Tx struct {
db *baseDB
ctx context.Context
stmtsMu sync.Mutex
stmts []*Stmt
_closed int32
}
var _ orm.DB = (*Tx)(nil)
// Context returns the context.Context of the transaction.
func (tx *Tx) Context() context.Context {
return tx.ctx
}
// Begin starts a transaction. Most callers should use RunInTransaction instead.
func (db *baseDB) Begin() (*Tx, error) {
return db.BeginContext(db.db.Context())
}
func (db *baseDB) BeginContext(ctx context.Context) (*Tx, error) {
tx := &Tx{
db: db.withPool(pool.NewStickyConnPool(db.pool)),
ctx: ctx,
}
err := tx.begin(ctx)
if err != nil {
tx.close()
return nil, err
}
return tx, nil
}
// RunInTransaction runs a function in a transaction. If function
// returns an error transaction is rolled back, otherwise transaction
// is committed.
func (db *baseDB) RunInTransaction(ctx context.Context, fn func(*Tx) error) error {
tx, err := db.BeginContext(ctx)
if err != nil {
return err
}
return tx.RunInTransaction(ctx, fn)
}
// Begin returns current transaction. It does not start new transaction.
func (tx *Tx) Begin() (*Tx, error) {
return tx, nil
}
// RunInTransaction runs a function in the transaction. If function
// returns an error transaction is rolled back, otherwise transaction
// is committed.
func (tx *Tx) RunInTransaction(ctx context.Context, fn func(*Tx) error) error {
defer func() {
if err := recover(); err != nil {
if err := tx.RollbackContext(ctx); err != nil {
internal.Logger.Printf(ctx, "tx.Rollback panicked: %s", err)
}
panic(err)
}
}()
if err := fn(tx); err != nil {
if err := tx.RollbackContext(ctx); err != nil {
internal.Logger.Printf(ctx, "tx.Rollback failed: %s", err)
}
return err
}
return tx.CommitContext(ctx)
}
func (tx *Tx) withConn(c context.Context, fn func(context.Context, *pool.Conn) error) error {
err := tx.db.withConn(c, fn)
if tx.closed() && err == pool.ErrClosed {
return ErrTxDone
}
return err
}
// Stmt returns a transaction-specific prepared statement
// from an existing statement.
func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
stmt, err := tx.Prepare(stmt.q)
if err != nil {
return &Stmt{stickyErr: err}
}
return stmt
}
// Prepare creates a prepared statement for use within a transaction.
//
// The returned statement operates within the transaction and can no longer
// be used once the transaction has been committed or rolled back.
//
// To use an existing prepared statement on this transaction, see Tx.Stmt.
func (tx *Tx) Prepare(q string) (*Stmt, error) {
tx.stmtsMu.Lock()
defer tx.stmtsMu.Unlock()
db := tx.db.withPool(pool.NewStickyConnPool(tx.db.pool))
stmt, err := prepareStmt(db, q)
if err != nil {
return nil, err
}
tx.stmts = append(tx.stmts, stmt)
return stmt, nil
}
// Exec is an alias for DB.Exec.
func (tx *Tx) Exec(query interface{}, params ...interface{}) (Result, error) {
return tx.exec(tx.ctx, query, params...)
}
// ExecContext acts like Exec but additionally receives a context.
func (tx *Tx) ExecContext(c context.Context, query interface{}, params ...interface{}) (Result, error) {
return tx.exec(c, query, params...)
}
func (tx *Tx) exec(ctx context.Context, query interface{}, params ...interface{}) (Result, error) {
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, tx.db.fmter, query, params...); err != nil {
return nil, err
}
ctx, evt, err := tx.db.beforeQuery(ctx, tx, nil, query, params, wb.Query())
if err != nil {
return nil, err
}
var res Result
lastErr := tx.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
res, err = tx.db.simpleQuery(ctx, cn, wb)
return err
})
if err := tx.db.afterQuery(ctx, evt, res, lastErr); err != nil {
return nil, err
}
return res, lastErr
}
// ExecOne is an alias for DB.ExecOne.
func (tx *Tx) ExecOne(query interface{}, params ...interface{}) (Result, error) {
return tx.execOne(tx.ctx, query, params...)
}
// ExecOneContext acts like ExecOne but additionally receives a context.
func (tx *Tx) ExecOneContext(c context.Context, query interface{}, params ...interface{}) (Result, error) {
return tx.execOne(c, query, params...)
}
func (tx *Tx) execOne(c context.Context, query interface{}, params ...interface{}) (Result, error) {
res, err := tx.ExecContext(c, query, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// Query is an alias for DB.Query.
func (tx *Tx) Query(model interface{}, query interface{}, params ...interface{}) (Result, error) {
return tx.query(tx.ctx, model, query, params...)
}
// QueryContext acts like Query but additionally receives a context.
func (tx *Tx) QueryContext(
c context.Context,
model interface{},
query interface{},
params ...interface{},
) (Result, error) {
return tx.query(c, model, query, params...)
}
func (tx *Tx) query(
ctx context.Context,
model interface{},
query interface{},
params ...interface{},
) (Result, error) {
wb := pool.GetWriteBuffer()
defer pool.PutWriteBuffer(wb)
if err := writeQueryMsg(wb, tx.db.fmter, query, params...); err != nil {
return nil, err
}
ctx, evt, err := tx.db.beforeQuery(ctx, tx, model, query, params, wb.Query())
if err != nil {
return nil, err
}
var res *result
lastErr := tx.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
res, err = tx.db.simpleQueryData(ctx, cn, model, wb)
return err
})
if err := tx.db.afterQuery(ctx, evt, res, err); err != nil {
return nil, err
}
return res, lastErr
}
// QueryOne is an alias for DB.QueryOne.
func (tx *Tx) QueryOne(model interface{}, query interface{}, params ...interface{}) (Result, error) {
return tx.queryOne(tx.ctx, model, query, params...)
}
// QueryOneContext acts like QueryOne but additionally receives a context.
func (tx *Tx) QueryOneContext(
c context.Context,
model interface{},
query interface{},
params ...interface{},
) (Result, error) {
return tx.queryOne(c, model, query, params...)
}
func (tx *Tx) queryOne(
c context.Context,
model interface{},
query interface{},
params ...interface{},
) (Result, error) {
mod, err := orm.NewModel(model)
if err != nil {
return nil, err
}
res, err := tx.QueryContext(c, mod, query, params...)
if err != nil {
return nil, err
}
if err := internal.AssertOneRow(res.RowsAffected()); err != nil {
return nil, err
}
return res, nil
}
// Model is an alias for DB.Model.
func (tx *Tx) Model(model ...interface{}) *Query {
return orm.NewQuery(tx, model...)
}
// ModelContext acts like Model but additionally receives a context.
func (tx *Tx) ModelContext(c context.Context, model ...interface{}) *Query {
return orm.NewQueryContext(c, tx, model...)
}
// CopyFrom is an alias for DB.CopyFrom.
func (tx *Tx) CopyFrom(r io.Reader, query interface{}, params ...interface{}) (res Result, err error) {
err = tx.withConn(tx.ctx, func(c context.Context, cn *pool.Conn) error {
res, err = tx.db.copyFrom(c, cn, r, query, params...)
return err
})
return res, err
}
// CopyTo is an alias for DB.CopyTo.
func (tx *Tx) CopyTo(w io.Writer, query interface{}, params ...interface{}) (res Result, err error) {
err = tx.withConn(tx.ctx, func(c context.Context, cn *pool.Conn) error {
res, err = tx.db.copyTo(c, cn, w, query, params...)
return err
})
return res, err
}
// Formatter is an alias for DB.Formatter.
func (tx *Tx) Formatter() orm.QueryFormatter {
return tx.db.Formatter()
}
func (tx *Tx) begin(ctx context.Context) error {
var lastErr error
for attempt := 0; attempt <= tx.db.opt.MaxRetries; attempt++ {
if attempt > 0 {
if err := internal.Sleep(ctx, tx.db.retryBackoff(attempt-1)); err != nil {
return err
}
err := tx.db.pool.(*pool.StickyConnPool).Reset(ctx)
if err != nil {
return err
}
}
_, lastErr = tx.ExecContext(ctx, "BEGIN")
if !tx.db.shouldRetry(lastErr) {
break
}
}
return lastErr
}
func (tx *Tx) Commit() error {
return tx.CommitContext(tx.ctx)
}
// Commit commits the transaction.
func (tx *Tx) CommitContext(ctx context.Context) error {
_, err := tx.ExecContext(internal.UndoContext(ctx), "COMMIT")
tx.close()
return err
}
func (tx *Tx) Rollback() error {
return tx.RollbackContext(tx.ctx)
}
// Rollback aborts the transaction.
func (tx *Tx) RollbackContext(ctx context.Context) error {
_, err := tx.ExecContext(internal.UndoContext(ctx), "ROLLBACK")
tx.close()
return err
}
func (tx *Tx) Close() error {
return tx.CloseContext(tx.ctx)
}
// Close calls Rollback if the tx has not already been committed or rolled back.
func (tx *Tx) CloseContext(ctx context.Context) error {
if tx.closed() {
return nil
}
return tx.RollbackContext(ctx)
}
func (tx *Tx) close() {
if !atomic.CompareAndSwapInt32(&tx._closed, 0, 1) {
return
}
tx.stmtsMu.Lock()
defer tx.stmtsMu.Unlock()
for _, stmt := range tx.stmts {
_ = stmt.Close()
}
tx.stmts = nil
_ = tx.db.Close()
}
func (tx *Tx) closed() bool {
return atomic.LoadInt32(&tx._closed) == 1
}

201
vendor/github.com/go-pg/pg/v10/types/append.go generated vendored
View file

@ -1,201 +0,0 @@
package types
import (
"math"
"reflect"
"strconv"
"time"
"unicode/utf8"
"github.com/tmthrgd/go-hex"
)
func Append(b []byte, v interface{}, flags int) []byte {
switch v := v.(type) {
case nil:
return AppendNull(b, flags)
case bool:
return appendBool(b, v)
case int32:
return strconv.AppendInt(b, int64(v), 10)
case int64:
return strconv.AppendInt(b, v, 10)
case int:
return strconv.AppendInt(b, int64(v), 10)
case float32:
return appendFloat(b, float64(v), flags, 32)
case float64:
return appendFloat(b, v, flags, 64)
case string:
return AppendString(b, v, flags)
case time.Time:
return AppendTime(b, v, flags)
case []byte:
return AppendBytes(b, v, flags)
case ValueAppender:
return appendAppender(b, v, flags)
default:
return appendValue(b, reflect.ValueOf(v), flags)
}
}
func AppendError(b []byte, err error) []byte {
b = append(b, "?!("...)
b = append(b, err.Error()...)
b = append(b, ')')
return b
}
func AppendNull(b []byte, flags int) []byte {
if hasFlag(flags, quoteFlag) {
return append(b, "NULL"...)
}
return nil
}
func appendBool(dst []byte, v bool) []byte {
if v {
return append(dst, "TRUE"...)
}
return append(dst, "FALSE"...)
}
func appendFloat(dst []byte, v float64, flags int, bitSize int) []byte {
if hasFlag(flags, arrayFlag) {
return appendFloat2(dst, v, flags)
}
switch {
case math.IsNaN(v):
if hasFlag(flags, quoteFlag) {
return append(dst, "'NaN'"...)
}
return append(dst, "NaN"...)
case math.IsInf(v, 1):
if hasFlag(flags, quoteFlag) {
return append(dst, "'Infinity'"...)
}
return append(dst, "Infinity"...)
case math.IsInf(v, -1):
if hasFlag(flags, quoteFlag) {
return append(dst, "'-Infinity'"...)
}
return append(dst, "-Infinity"...)
default:
return strconv.AppendFloat(dst, v, 'f', -1, bitSize)
}
}
func appendFloat2(dst []byte, v float64, _ int) []byte {
switch {
case math.IsNaN(v):
return append(dst, "NaN"...)
case math.IsInf(v, 1):
return append(dst, "Infinity"...)
case math.IsInf(v, -1):
return append(dst, "-Infinity"...)
default:
return strconv.AppendFloat(dst, v, 'f', -1, 64)
}
}
func AppendString(b []byte, s string, flags int) []byte {
if hasFlag(flags, arrayFlag) {
return appendString2(b, s, flags)
}
if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
for _, c := range s {
if c == '\000' {
continue
}
if c == '\'' {
b = append(b, '\'', '\'')
} else {
b = appendRune(b, c)
}
}
b = append(b, '\'')
return b
}
for _, c := range s {
if c != '\000' {
b = appendRune(b, c)
}
}
return b
}
func appendString2(b []byte, s string, flags int) []byte {
b = append(b, '"')
for _, c := range s {
if c == '\000' {
continue
}
switch c {
case '\'':
if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
b = append(b, '\'')
case '"':
b = append(b, '\\', '"')
case '\\':
b = append(b, '\\', '\\')
default:
b = appendRune(b, c)
}
}
b = append(b, '"')
return b
}
func appendRune(b []byte, r rune) []byte {
if r < utf8.RuneSelf {
return append(b, byte(r))
}
l := len(b)
if cap(b)-l < utf8.UTFMax {
b = append(b, make([]byte, utf8.UTFMax)...)
}
n := utf8.EncodeRune(b[l:l+utf8.UTFMax], r)
return b[:l+n]
}
func AppendBytes(b []byte, bytes []byte, flags int) []byte {
if bytes == nil {
return AppendNull(b, flags)
}
if hasFlag(flags, arrayFlag) {
b = append(b, `"\`...)
} else if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
b = append(b, `\x`...)
s := len(b)
b = append(b, make([]byte, hex.EncodedLen(len(bytes)))...)
hex.Encode(b[s:], bytes)
if hasFlag(flags, arrayFlag) {
b = append(b, '"')
} else if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
return b
}
func appendAppender(b []byte, v ValueAppender, flags int) []byte {
bb, err := v.AppendValue(b, flags)
if err != nil {
return AppendError(b, err)
}
return bb
}

46
vendor/github.com/go-pg/pg/v10/types/append_ident.go generated vendored
View file

@ -1,46 +0,0 @@
package types
import "github.com/go-pg/pg/v10/internal"
func AppendIdent(b []byte, field string, flags int) []byte {
return appendIdent(b, internal.StringToBytes(field), flags)
}
func AppendIdentBytes(b []byte, field []byte, flags int) []byte {
return appendIdent(b, field, flags)
}
func appendIdent(b, src []byte, flags int) []byte {
var quoted bool
loop:
for _, c := range src {
switch c {
case '*':
if !quoted {
b = append(b, '*')
continue loop
}
case '.':
if quoted && hasFlag(flags, quoteFlag) {
b = append(b, '"')
quoted = false
}
b = append(b, '.')
continue loop
}
if !quoted && hasFlag(flags, quoteFlag) {
b = append(b, '"')
quoted = true
}
if c == '"' {
b = append(b, '"', '"')
} else {
b = append(b, c)
}
}
if quoted && hasFlag(flags, quoteFlag) {
b = append(b, '"')
}
return b
}

49
vendor/github.com/go-pg/pg/v10/types/append_jsonb.go generated vendored
View file

@ -1,49 +0,0 @@
package types
import "github.com/go-pg/pg/v10/internal/parser"
func AppendJSONB(b, jsonb []byte, flags int) []byte {
if hasFlag(flags, arrayFlag) {
b = append(b, '"')
} else if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
p := parser.New(jsonb)
for p.Valid() {
c := p.Read()
switch c {
case '"':
if hasFlag(flags, arrayFlag) {
b = append(b, '\\')
}
b = append(b, '"')
case '\'':
if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
b = append(b, '\'')
case '\000':
continue
case '\\':
if p.SkipBytes([]byte("u0000")) {
b = append(b, "\\\\u0000"...)
} else {
b = append(b, '\\')
if p.Valid() {
b = append(b, p.Read())
}
}
default:
b = append(b, c)
}
}
if hasFlag(flags, arrayFlag) {
b = append(b, '"')
} else if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
return b
}

248
vendor/github.com/go-pg/pg/v10/types/append_value.go generated vendored
View file

@ -1,248 +0,0 @@
package types
import (
"database/sql/driver"
"fmt"
"net"
"reflect"
"strconv"
"sync"
"time"
"github.com/vmihailenco/bufpool"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/pgjson"
)
var (
driverValuerType = reflect.TypeOf((*driver.Valuer)(nil)).Elem()
appenderType = reflect.TypeOf((*ValueAppender)(nil)).Elem()
)
type AppenderFunc func([]byte, reflect.Value, int) []byte
var appenders []AppenderFunc
//nolint
func init() {
appenders = []AppenderFunc{
reflect.Bool: appendBoolValue,
reflect.Int: appendIntValue,
reflect.Int8: appendIntValue,
reflect.Int16: appendIntValue,
reflect.Int32: appendIntValue,
reflect.Int64: appendIntValue,
reflect.Uint: appendUintValue,
reflect.Uint8: appendUintValue,
reflect.Uint16: appendUintValue,
reflect.Uint32: appendUintValue,
reflect.Uint64: appendUintValue,
reflect.Uintptr: nil,
reflect.Float32: appendFloat32Value,
reflect.Float64: appendFloat64Value,
reflect.Complex64: nil,
reflect.Complex128: nil,
reflect.Array: appendJSONValue,
reflect.Chan: nil,
reflect.Func: nil,
reflect.Interface: appendIfaceValue,
reflect.Map: appendJSONValue,
reflect.Ptr: nil,
reflect.Slice: appendJSONValue,
reflect.String: appendStringValue,
reflect.Struct: appendStructValue,
reflect.UnsafePointer: nil,
}
}
var appendersMap sync.Map
// RegisterAppender registers an appender func for the value type.
// Expecting to be used only during initialization, it panics
// if there is already a registered appender for the given type.
func RegisterAppender(value interface{}, fn AppenderFunc) {
registerAppender(reflect.TypeOf(value), fn)
}
func registerAppender(typ reflect.Type, fn AppenderFunc) {
_, loaded := appendersMap.LoadOrStore(typ, fn)
if loaded {
err := fmt.Errorf("pg: appender for the type=%s is already registered",
typ.String())
panic(err)
}
}
func Appender(typ reflect.Type) AppenderFunc {
if v, ok := appendersMap.Load(typ); ok {
return v.(AppenderFunc)
}
fn := appender(typ, false)
_, _ = appendersMap.LoadOrStore(typ, fn)
return fn
}
func appender(typ reflect.Type, pgArray bool) AppenderFunc {
switch typ {
case timeType:
return appendTimeValue
case ipType:
return appendIPValue
case ipNetType:
return appendIPNetValue
case jsonRawMessageType:
return appendJSONRawMessageValue
}
if typ.Implements(appenderType) {
return appendAppenderValue
}
if typ.Implements(driverValuerType) {
return appendDriverValuerValue
}
kind := typ.Kind()
switch kind {
case reflect.Ptr:
return ptrAppenderFunc(typ)
case reflect.Slice:
if typ.Elem().Kind() == reflect.Uint8 {
return appendBytesValue
}
if pgArray {
return ArrayAppender(typ)
}
case reflect.Array:
if typ.Elem().Kind() == reflect.Uint8 {
return appendArrayBytesValue
}
}
return appenders[kind]
}
func ptrAppenderFunc(typ reflect.Type) AppenderFunc {
appender := Appender(typ.Elem())
return func(b []byte, v reflect.Value, flags int) []byte {
if v.IsNil() {
return AppendNull(b, flags)
}
return appender(b, v.Elem(), flags)
}
}
func appendValue(b []byte, v reflect.Value, flags int) []byte {
if v.Kind() == reflect.Ptr && v.IsNil() {
return AppendNull(b, flags)
}
appender := Appender(v.Type())
return appender(b, v, flags)
}
func appendIfaceValue(b []byte, v reflect.Value, flags int) []byte {
return Append(b, v.Interface(), flags)
}
func appendBoolValue(b []byte, v reflect.Value, _ int) []byte {
return appendBool(b, v.Bool())
}
func appendIntValue(b []byte, v reflect.Value, _ int) []byte {
return strconv.AppendInt(b, v.Int(), 10)
}
func appendUintValue(b []byte, v reflect.Value, _ int) []byte {
return strconv.AppendUint(b, v.Uint(), 10)
}
func appendFloat32Value(b []byte, v reflect.Value, flags int) []byte {
return appendFloat(b, v.Float(), flags, 32)
}
func appendFloat64Value(b []byte, v reflect.Value, flags int) []byte {
return appendFloat(b, v.Float(), flags, 64)
}
func appendBytesValue(b []byte, v reflect.Value, flags int) []byte {
return AppendBytes(b, v.Bytes(), flags)
}
func appendArrayBytesValue(b []byte, v reflect.Value, flags int) []byte {
if v.CanAddr() {
return AppendBytes(b, v.Slice(0, v.Len()).Bytes(), flags)
}
buf := bufpool.Get(v.Len())
tmp := buf.Bytes()
reflect.Copy(reflect.ValueOf(tmp), v)
b = AppendBytes(b, tmp, flags)
bufpool.Put(buf)
return b
}
func appendStringValue(b []byte, v reflect.Value, flags int) []byte {
return AppendString(b, v.String(), flags)
}
func appendStructValue(b []byte, v reflect.Value, flags int) []byte {
if v.Type() == timeType {
return appendTimeValue(b, v, flags)
}
return appendJSONValue(b, v, flags)
}
var jsonPool bufpool.Pool
func appendJSONValue(b []byte, v reflect.Value, flags int) []byte {
buf := jsonPool.Get()
defer jsonPool.Put(buf)
if err := pgjson.NewEncoder(buf).Encode(v.Interface()); err != nil {
return AppendError(b, err)
}
bb := buf.Bytes()
if len(bb) > 0 && bb[len(bb)-1] == '\n' {
bb = bb[:len(bb)-1]
}
return AppendJSONB(b, bb, flags)
}
func appendTimeValue(b []byte, v reflect.Value, flags int) []byte {
tm := v.Interface().(time.Time)
return AppendTime(b, tm, flags)
}
func appendIPValue(b []byte, v reflect.Value, flags int) []byte {
ip := v.Interface().(net.IP)
return AppendString(b, ip.String(), flags)
}
func appendIPNetValue(b []byte, v reflect.Value, flags int) []byte {
ipnet := v.Interface().(net.IPNet)
return AppendString(b, ipnet.String(), flags)
}
func appendJSONRawMessageValue(b []byte, v reflect.Value, flags int) []byte {
return AppendString(b, internal.BytesToString(v.Bytes()), flags)
}
func appendAppenderValue(b []byte, v reflect.Value, flags int) []byte {
return appendAppender(b, v.Interface().(ValueAppender), flags)
}
func appendDriverValuerValue(b []byte, v reflect.Value, flags int) []byte {
return appendDriverValuer(b, v.Interface().(driver.Valuer), flags)
}
func appendDriverValuer(b []byte, v driver.Valuer, flags int) []byte {
value, err := v.Value()
if err != nil {
return AppendError(b, err)
}
return Append(b, value, flags)
}

58
vendor/github.com/go-pg/pg/v10/types/array.go generated vendored
View file

@ -1,58 +0,0 @@
package types
import (
"fmt"
"reflect"
)
type Array struct {
v reflect.Value
append AppenderFunc
scan ScannerFunc
}
var (
_ ValueAppender = (*Array)(nil)
_ ValueScanner = (*Array)(nil)
)
func NewArray(vi interface{}) *Array {
v := reflect.ValueOf(vi)
if !v.IsValid() {
panic(fmt.Errorf("pg: Array(nil)"))
}
return &Array{
v: v,
append: ArrayAppender(v.Type()),
scan: ArrayScanner(v.Type()),
}
}
func (a *Array) AppendValue(b []byte, flags int) ([]byte, error) {
if a.append == nil {
panic(fmt.Errorf("pg: Array(unsupported %s)", a.v.Type()))
}
return a.append(b, a.v, flags), nil
}
func (a *Array) ScanValue(rd Reader, n int) error {
if a.scan == nil {
return fmt.Errorf("pg: Array(unsupported %s)", a.v.Type())
}
if a.v.Kind() != reflect.Ptr {
return fmt.Errorf("pg: Array(non-pointer %s)", a.v.Type())
}
return a.scan(a.v.Elem(), rd, n)
}
func (a *Array) Value() interface{} {
if a.v.IsValid() {
return a.v.Interface()
}
return nil
}

236
vendor/github.com/go-pg/pg/v10/types/array_append.go generated vendored
View file

@ -1,236 +0,0 @@
package types
import (
"reflect"
"strconv"
"sync"
)
var (
stringType = reflect.TypeOf((*string)(nil)).Elem()
sliceStringType = reflect.TypeOf([]string(nil))
intType = reflect.TypeOf((*int)(nil)).Elem()
sliceIntType = reflect.TypeOf([]int(nil))
int64Type = reflect.TypeOf((*int64)(nil)).Elem()
sliceInt64Type = reflect.TypeOf([]int64(nil))
float64Type = reflect.TypeOf((*float64)(nil)).Elem()
sliceFloat64Type = reflect.TypeOf([]float64(nil))
)
var arrayAppendersMap sync.Map
func ArrayAppender(typ reflect.Type) AppenderFunc {
if v, ok := arrayAppendersMap.Load(typ); ok {
return v.(AppenderFunc)
}
fn := arrayAppender(typ)
arrayAppendersMap.Store(typ, fn)
return fn
}
func arrayAppender(typ reflect.Type) AppenderFunc {
kind := typ.Kind()
if kind == reflect.Ptr {
typ = typ.Elem()
kind = typ.Kind()
}
switch kind {
case reflect.Slice, reflect.Array:
// ok:
default:
return nil
}
elemType := typ.Elem()
if kind == reflect.Slice {
switch elemType {
case stringType:
return appendSliceStringValue
case intType:
return appendSliceIntValue
case int64Type:
return appendSliceInt64Value
case float64Type:
return appendSliceFloat64Value
}
}
appendElem := appender(elemType, true)
return func(b []byte, v reflect.Value, flags int) []byte {
flags |= arrayFlag
kind := v.Kind()
switch kind {
case reflect.Ptr, reflect.Slice:
if v.IsNil() {
return AppendNull(b, flags)
}
}
if kind == reflect.Ptr {
v = v.Elem()
}
quote := shouldQuoteArray(flags)
if quote {
b = append(b, '\'')
}
flags |= subArrayFlag
b = append(b, '{')
for i := 0; i < v.Len(); i++ {
elem := v.Index(i)
b = appendElem(b, elem, flags)
b = append(b, ',')
}
if v.Len() > 0 {
b[len(b)-1] = '}' // Replace trailing comma.
} else {
b = append(b, '}')
}
if quote {
b = append(b, '\'')
}
return b
}
}
func appendSliceStringValue(b []byte, v reflect.Value, flags int) []byte {
ss := v.Convert(sliceStringType).Interface().([]string)
return appendSliceString(b, ss, flags)
}
func appendSliceString(b []byte, ss []string, flags int) []byte {
if ss == nil {
return AppendNull(b, flags)
}
quote := shouldQuoteArray(flags)
if quote {
b = append(b, '\'')
}
b = append(b, '{')
for _, s := range ss {
b = appendString2(b, s, flags)
b = append(b, ',')
}
if len(ss) > 0 {
b[len(b)-1] = '}' // Replace trailing comma.
} else {
b = append(b, '}')
}
if quote {
b = append(b, '\'')
}
return b
}
func appendSliceIntValue(b []byte, v reflect.Value, flags int) []byte {
ints := v.Convert(sliceIntType).Interface().([]int)
return appendSliceInt(b, ints, flags)
}
func appendSliceInt(b []byte, ints []int, flags int) []byte {
if ints == nil {
return AppendNull(b, flags)
}
quote := shouldQuoteArray(flags)
if quote {
b = append(b, '\'')
}
b = append(b, '{')
for _, n := range ints {
b = strconv.AppendInt(b, int64(n), 10)
b = append(b, ',')
}
if len(ints) > 0 {
b[len(b)-1] = '}' // Replace trailing comma.
} else {
b = append(b, '}')
}
if quote {
b = append(b, '\'')
}
return b
}
func appendSliceInt64Value(b []byte, v reflect.Value, flags int) []byte {
ints := v.Convert(sliceInt64Type).Interface().([]int64)
return appendSliceInt64(b, ints, flags)
}
func appendSliceInt64(b []byte, ints []int64, flags int) []byte {
if ints == nil {
return AppendNull(b, flags)
}
quote := shouldQuoteArray(flags)
if quote {
b = append(b, '\'')
}
b = append(b, '{')
for _, n := range ints {
b = strconv.AppendInt(b, n, 10)
b = append(b, ',')
}
if len(ints) > 0 {
b[len(b)-1] = '}' // Replace trailing comma.
} else {
b = append(b, '}')
}
if quote {
b = append(b, '\'')
}
return b
}
func appendSliceFloat64Value(b []byte, v reflect.Value, flags int) []byte {
floats := v.Convert(sliceFloat64Type).Interface().([]float64)
return appendSliceFloat64(b, floats, flags)
}
func appendSliceFloat64(b []byte, floats []float64, flags int) []byte {
if floats == nil {
return AppendNull(b, flags)
}
quote := shouldQuoteArray(flags)
if quote {
b = append(b, '\'')
}
b = append(b, '{')
for _, n := range floats {
b = appendFloat2(b, n, flags)
b = append(b, ',')
}
if len(floats) > 0 {
b[len(b)-1] = '}' // Replace trailing comma.
} else {
b = append(b, '}')
}
if quote {
b = append(b, '\'')
}
return b
}

170
vendor/github.com/go-pg/pg/v10/types/array_parser.go generated vendored
View file

@ -1,170 +0,0 @@
package types
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"github.com/go-pg/pg/v10/internal/parser"
)
var errEndOfArray = errors.New("pg: end of array")
type arrayParser struct {
p parser.StreamingParser
stickyErr error
buf []byte
}
func newArrayParserErr(err error) *arrayParser {
return &arrayParser{
stickyErr: err,
buf: make([]byte, 32),
}
}
func newArrayParser(rd Reader) *arrayParser {
p := parser.NewStreamingParser(rd)
err := p.SkipByte('{')
if err != nil {
return newArrayParserErr(err)
}
return &arrayParser{
p: p,
}
}
func (p *arrayParser) NextElem() ([]byte, error) {
if p.stickyErr != nil {
return nil, p.stickyErr
}
c, err := p.p.ReadByte()
if err != nil {
if err == io.EOF {
return nil, errEndOfArray
}
return nil, err
}
switch c {
case '"':
b, err := p.p.ReadSubstring(p.buf[:0])
if err != nil {
return nil, err
}
p.buf = b
err = p.readCommaBrace()
if err != nil {
return nil, err
}
return b, nil
case '{':
b, err := p.readSubArray(p.buf[:0])
if err != nil {
return nil, err
}
p.buf = b
err = p.readCommaBrace()
if err != nil {
return nil, err
}
return b, nil
case '}':
return nil, errEndOfArray
default:
err = p.p.UnreadByte()
if err != nil {
return nil, err
}
b, err := p.readSimple(p.buf[:0])
if err != nil {
return nil, err
}
p.buf = b
if bytes.Equal(b, []byte("NULL")) {
return nil, nil
}
return b, nil
}
}
func (p *arrayParser) readSimple(b []byte) ([]byte, error) {
for {
tmp, err := p.p.ReadSlice(',')
if err == nil {
b = append(b, tmp...)
b = b[:len(b)-1]
break
}
b = append(b, tmp...)
if err == bufio.ErrBufferFull {
continue
}
if err == io.EOF {
if b[len(b)-1] == '}' {
b = b[:len(b)-1]
break
}
}
return nil, err
}
return b, nil
}
func (p *arrayParser) readSubArray(b []byte) ([]byte, error) {
b = append(b, '{')
for {
c, err := p.p.ReadByte()
if err != nil {
return nil, err
}
if c == '}' {
b = append(b, '}')
return b, nil
}
if c == '"' {
b = append(b, '"')
for {
tmp, err := p.p.ReadSlice('"')
b = append(b, tmp...)
if err != nil {
if err == bufio.ErrBufferFull {
continue
}
return nil, err
}
if len(b) > 1 && b[len(b)-2] != '\\' {
break
}
}
continue
}
b = append(b, c)
}
}
func (p *arrayParser) readCommaBrace() error {
c, err := p.p.ReadByte()
if err != nil {
return err
}
switch c {
case ',', '}':
return nil
default:
return fmt.Errorf("pg: got %q, wanted ',' or '}'", c)
}
}

334
vendor/github.com/go-pg/pg/v10/types/array_scan.go generated vendored
View file

@ -1,334 +0,0 @@
package types
import (
"fmt"
"reflect"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/internal/pool"
)
var arrayValueScannerType = reflect.TypeOf((*ArrayValueScanner)(nil)).Elem()
type ArrayValueScanner interface {
BeforeScanArrayValue(rd Reader, n int) error
ScanArrayValue(rd Reader, n int) error
AfterScanArrayValue() error
}
func ArrayScanner(typ reflect.Type) ScannerFunc {
if typ.Implements(arrayValueScannerType) {
return scanArrayValueScannerValue
}
kind := typ.Kind()
if kind == reflect.Ptr {
typ = typ.Elem()
kind = typ.Kind()
}
switch kind {
case reflect.Slice, reflect.Array:
// ok:
default:
return nil
}
elemType := typ.Elem()
if kind == reflect.Slice {
switch elemType {
case stringType:
return scanStringArrayValue
case intType:
return scanIntArrayValue
case int64Type:
return scanInt64ArrayValue
case float64Type:
return scanFloat64ArrayValue
}
}
scanElem := scanner(elemType, true)
return func(v reflect.Value, rd Reader, n int) error {
v = reflect.Indirect(v)
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
kind := v.Kind()
if n == -1 {
if kind != reflect.Slice || !v.IsNil() {
v.Set(reflect.Zero(v.Type()))
}
return nil
}
if kind == reflect.Slice {
if v.IsNil() {
v.Set(reflect.MakeSlice(v.Type(), 0, 0))
} else if v.Len() > 0 {
v.Set(v.Slice(0, 0))
}
}
p := newArrayParser(rd)
nextValue := internal.MakeSliceNextElemFunc(v)
var elemRd *pool.BytesReader
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return err
}
if elemRd == nil {
elemRd = pool.NewBytesReader(elem)
} else {
elemRd.Reset(elem)
}
var elemN int
if elem == nil {
elemN = -1
} else {
elemN = len(elem)
}
elemValue := nextValue()
err = scanElem(elemValue, elemRd, elemN)
if err != nil {
return err
}
}
return nil
}
}
func scanStringArrayValue(v reflect.Value, rd Reader, n int) error {
v = reflect.Indirect(v)
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
strings, err := scanStringArray(rd, n)
if err != nil {
return err
}
v.Set(reflect.ValueOf(strings))
return nil
}
func scanStringArray(rd Reader, n int) ([]string, error) {
if n == -1 {
return nil, nil
}
p := newArrayParser(rd)
slice := make([]string, 0)
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return nil, err
}
slice = append(slice, string(elem))
}
return slice, nil
}
func scanIntArrayValue(v reflect.Value, rd Reader, n int) error {
v = reflect.Indirect(v)
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
slice, err := decodeSliceInt(rd, n)
if err != nil {
return err
}
v.Set(reflect.ValueOf(slice))
return nil
}
func decodeSliceInt(rd Reader, n int) ([]int, error) {
if n == -1 {
return nil, nil
}
p := newArrayParser(rd)
slice := make([]int, 0)
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return nil, err
}
if elem == nil {
slice = append(slice, 0)
continue
}
n, err := internal.Atoi(elem)
if err != nil {
return nil, err
}
slice = append(slice, n)
}
return slice, nil
}
func scanInt64ArrayValue(v reflect.Value, rd Reader, n int) error {
v = reflect.Indirect(v)
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
slice, err := scanInt64Array(rd, n)
if err != nil {
return err
}
v.Set(reflect.ValueOf(slice))
return nil
}
func scanInt64Array(rd Reader, n int) ([]int64, error) {
if n == -1 {
return nil, nil
}
p := newArrayParser(rd)
slice := make([]int64, 0)
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return nil, err
}
if elem == nil {
slice = append(slice, 0)
continue
}
n, err := internal.ParseInt(elem, 10, 64)
if err != nil {
return nil, err
}
slice = append(slice, n)
}
return slice, nil
}
func scanFloat64ArrayValue(v reflect.Value, rd Reader, n int) error {
v = reflect.Indirect(v)
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
slice, err := scanFloat64Array(rd, n)
if err != nil {
return err
}
v.Set(reflect.ValueOf(slice))
return nil
}
func scanFloat64Array(rd Reader, n int) ([]float64, error) {
if n == -1 {
return nil, nil
}
p := newArrayParser(rd)
slice := make([]float64, 0)
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return nil, err
}
if elem == nil {
slice = append(slice, 0)
continue
}
n, err := internal.ParseFloat(elem, 64)
if err != nil {
return nil, err
}
slice = append(slice, n)
}
return slice, nil
}
func scanArrayValueScannerValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
return nil
}
scanner := v.Addr().Interface().(ArrayValueScanner)
err := scanner.BeforeScanArrayValue(rd, n)
if err != nil {
return err
}
p := newArrayParser(rd)
var elemRd *pool.BytesReader
for {
elem, err := p.NextElem()
if err != nil {
if err == errEndOfArray {
break
}
return err
}
if elemRd == nil {
elemRd = pool.NewBytesReader(elem)
} else {
elemRd.Reset(elem)
}
var elemN int
if elem == nil {
elemN = -1
} else {
elemN = len(elem)
}
err = scanner.ScanArrayValue(elemRd, elemN)
if err != nil {
return err
}
}
return scanner.AfterScanArrayValue()
}

113
vendor/github.com/go-pg/pg/v10/types/column.go generated vendored
View file

@ -1,113 +0,0 @@
package types
import (
"encoding/json"
"github.com/go-pg/pg/v10/internal/pool"
"github.com/go-pg/pg/v10/pgjson"
)
const (
pgBool = 16
pgInt2 = 21
pgInt4 = 23
pgInt8 = 20
pgFloat4 = 700
pgFloat8 = 701
pgText = 25
pgVarchar = 1043
pgBytea = 17
pgJSON = 114
pgJSONB = 3802
pgTimestamp = 1114
pgTimestamptz = 1184
// pgInt2Array = 1005
pgInt32Array = 1007
pgInt8Array = 1016
pgFloat8Array = 1022
pgStringArray = 1009
pgUUID = 2950
)
type ColumnInfo = pool.ColumnInfo
type RawValue struct {
Type int32
Value string
}
func (v RawValue) AppendValue(b []byte, flags int) ([]byte, error) {
return AppendString(b, v.Value, flags), nil
}
func (v RawValue) MarshalJSON() ([]byte, error) {
return pgjson.Marshal(v.Value)
}
func ReadColumnValue(col ColumnInfo, rd Reader, n int) (interface{}, error) {
switch col.DataType {
case pgBool:
return ScanBool(rd, n)
case pgInt2:
n, err := scanInt64(rd, n, 16)
if err != nil {
return nil, err
}
return int16(n), nil
case pgInt4:
n, err := scanInt64(rd, n, 32)
if err != nil {
return nil, err
}
return int32(n), nil
case pgInt8:
return ScanInt64(rd, n)
case pgFloat4:
return ScanFloat32(rd, n)
case pgFloat8:
return ScanFloat64(rd, n)
case pgBytea:
return ScanBytes(rd, n)
case pgText, pgVarchar, pgUUID:
return ScanString(rd, n)
case pgJSON, pgJSONB:
s, err := ScanString(rd, n)
if err != nil {
return nil, err
}
return json.RawMessage(s), nil
case pgTimestamp:
return ScanTime(rd, n)
case pgTimestamptz:
return ScanTime(rd, n)
case pgInt32Array:
return scanInt64Array(rd, n)
case pgInt8Array:
return scanInt64Array(rd, n)
case pgFloat8Array:
return scanFloat64Array(rd, n)
case pgStringArray:
return scanStringArray(rd, n)
default:
s, err := ScanString(rd, n)
if err != nil {
return nil, err
}
return RawValue{
Type: col.DataType,
Value: s,
}, nil
}
}

4
vendor/github.com/go-pg/pg/v10/types/doc.go generated vendored
View file

@ -1,4 +0,0 @@
/*
The API in this package is not stable and may change without any notice.
*/
package types

25
vendor/github.com/go-pg/pg/v10/types/flags.go generated vendored
View file

@ -1,25 +0,0 @@
package types
import "reflect"
const (
quoteFlag = 1 << iota
arrayFlag
subArrayFlag
)
func hasFlag(flags, flag int) bool {
return flags&flag == flag
}
func shouldQuoteArray(flags int) bool {
return hasFlag(flags, quoteFlag) && !hasFlag(flags, subArrayFlag)
}
func nilable(v reflect.Value) bool {
switch v.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
return true
}
return false
}

81
vendor/github.com/go-pg/pg/v10/types/hex.go generated vendored
View file

@ -1,81 +0,0 @@
package types
import (
"bytes"
"encoding/hex"
"fmt"
"io"
fasthex "github.com/tmthrgd/go-hex"
)
type HexEncoder struct {
b []byte
flags int
written bool
}
func NewHexEncoder(b []byte, flags int) *HexEncoder {
return &HexEncoder{
b: b,
flags: flags,
}
}
func (enc *HexEncoder) Bytes() []byte {
return enc.b
}
func (enc *HexEncoder) Write(b []byte) (int, error) {
if !enc.written {
if hasFlag(enc.flags, arrayFlag) {
enc.b = append(enc.b, `"\`...)
} else if hasFlag(enc.flags, quoteFlag) {
enc.b = append(enc.b, '\'')
}
enc.b = append(enc.b, `\x`...)
enc.written = true
}
i := len(enc.b)
enc.b = append(enc.b, make([]byte, fasthex.EncodedLen(len(b)))...)
fasthex.Encode(enc.b[i:], b)
return len(b), nil
}
func (enc *HexEncoder) Close() error {
if enc.written {
if hasFlag(enc.flags, arrayFlag) {
enc.b = append(enc.b, '"')
} else if hasFlag(enc.flags, quoteFlag) {
enc.b = append(enc.b, '\'')
}
} else {
enc.b = AppendNull(enc.b, enc.flags)
}
return nil
}
//------------------------------------------------------------------------------
func NewHexDecoder(rd Reader, n int) (io.Reader, error) {
if n <= 0 {
var rd bytes.Reader
return &rd, nil
}
if c, err := rd.ReadByte(); err != nil {
return nil, err
} else if c != '\\' {
return nil, fmt.Errorf("got %q, wanted %q", c, '\\')
}
if c, err := rd.ReadByte(); err != nil {
return nil, err
} else if c != 'x' {
return nil, fmt.Errorf("got %q, wanted %q", c, 'x')
}
return hex.NewDecoder(rd), nil
}

59
vendor/github.com/go-pg/pg/v10/types/hstore.go generated vendored
View file

@ -1,59 +0,0 @@
package types
import (
"fmt"
"reflect"
)
type Hstore struct {
v reflect.Value
append AppenderFunc
scan ScannerFunc
}
var (
_ ValueAppender = (*Hstore)(nil)
_ ValueScanner = (*Hstore)(nil)
)
func NewHstore(vi interface{}) *Hstore {
v := reflect.ValueOf(vi)
if !v.IsValid() {
panic(fmt.Errorf("pg.Hstore(nil)"))
}
typ := v.Type()
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
}
if typ.Kind() != reflect.Map {
panic(fmt.Errorf("pg.Hstore(unsupported %s)", typ))
}
return &Hstore{
v: v,
append: HstoreAppender(typ),
scan: HstoreScanner(typ),
}
}
func (h *Hstore) Value() interface{} {
if h.v.IsValid() {
return h.v.Interface()
}
return nil
}
func (h *Hstore) AppendValue(b []byte, flags int) ([]byte, error) {
return h.append(b, h.v, flags), nil
}
func (h *Hstore) ScanValue(rd Reader, n int) error {
if h.v.Kind() != reflect.Ptr {
return fmt.Errorf("pg: Hstore(non-pointer %s)", h.v.Type())
}
return h.scan(h.v.Elem(), rd, n)
}

50
vendor/github.com/go-pg/pg/v10/types/hstore_append.go generated vendored
View file

@ -1,50 +0,0 @@
package types
import (
"fmt"
"reflect"
)
var mapStringStringType = reflect.TypeOf(map[string]string(nil))
func HstoreAppender(typ reflect.Type) AppenderFunc {
if typ.Key() == stringType && typ.Elem() == stringType {
return appendMapStringStringValue
}
return func(b []byte, v reflect.Value, flags int) []byte {
err := fmt.Errorf("pg.Hstore(unsupported %s)", v.Type())
return AppendError(b, err)
}
}
func appendMapStringString(b []byte, m map[string]string, flags int) []byte {
if m == nil {
return AppendNull(b, flags)
}
if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
for key, value := range m {
b = appendString2(b, key, flags)
b = append(b, '=', '>')
b = appendString2(b, value, flags)
b = append(b, ',')
}
if len(m) > 0 {
b = b[:len(b)-1] // Strip trailing comma.
}
if hasFlag(flags, quoteFlag) {
b = append(b, '\'')
}
return b
}
func appendMapStringStringValue(b []byte, v reflect.Value, flags int) []byte {
m := v.Convert(mapStringStringType).Interface().(map[string]string)
return appendMapStringString(b, m, flags)
}

65
vendor/github.com/go-pg/pg/v10/types/hstore_parser.go generated vendored
View file

@ -1,65 +0,0 @@
package types
import (
"errors"
"io"
"github.com/go-pg/pg/v10/internal/parser"
)
var errEndOfHstore = errors.New("pg: end of hstore")
type hstoreParser struct {
p parser.StreamingParser
}
func newHstoreParser(rd Reader) *hstoreParser {
return &hstoreParser{
p: parser.NewStreamingParser(rd),
}
}
func (p *hstoreParser) NextKey() ([]byte, error) {
err := p.p.SkipByte('"')
if err != nil {
if err == io.EOF {
return nil, errEndOfHstore
}
return nil, err
}
key, err := p.p.ReadSubstring(nil)
if err != nil {
return nil, err
}
err = p.p.SkipByte('=')
if err != nil {
return nil, err
}
err = p.p.SkipByte('>')
if err != nil {
return nil, err
}
return key, nil
}
func (p *hstoreParser) NextValue() ([]byte, error) {
err := p.p.SkipByte('"')
if err != nil {
return nil, err
}
value, err := p.p.ReadSubstring(nil)
if err != nil {
return nil, err
}
err = p.p.SkipByte(',')
if err == nil {
_ = p.p.SkipByte(' ')
}
return value, nil
}

51
vendor/github.com/go-pg/pg/v10/types/hstore_scan.go generated vendored
View file

@ -1,51 +0,0 @@
package types
import (
"fmt"
"reflect"
)
func HstoreScanner(typ reflect.Type) ScannerFunc {
if typ.Key() == stringType && typ.Elem() == stringType {
return scanMapStringStringValue
}
return func(v reflect.Value, rd Reader, n int) error {
return fmt.Errorf("pg.Hstore(unsupported %s)", v.Type())
}
}
func scanMapStringStringValue(v reflect.Value, rd Reader, n int) error {
m, err := scanMapStringString(rd, n)
if err != nil {
return err
}
v.Set(reflect.ValueOf(m))
return nil
}
func scanMapStringString(rd Reader, n int) (map[string]string, error) {
if n == -1 {
return nil, nil
}
p := newHstoreParser(rd)
m := make(map[string]string)
for {
key, err := p.NextKey()
if err != nil {
if err == errEndOfHstore {
break
}
return nil, err
}
value, err := p.NextValue()
if err != nil {
return nil, err
}
m[string(key)] = string(value)
}
return m, nil
}

62
vendor/github.com/go-pg/pg/v10/types/in_op.go generated vendored
View file

@ -1,62 +0,0 @@
package types
import (
"fmt"
"reflect"
)
type inOp struct {
slice reflect.Value
stickyErr error
}
var _ ValueAppender = (*inOp)(nil)
func InMulti(values ...interface{}) ValueAppender {
return &inOp{
slice: reflect.ValueOf(values),
}
}
func In(slice interface{}) ValueAppender {
v := reflect.ValueOf(slice)
if v.Kind() != reflect.Slice {
return &inOp{
stickyErr: fmt.Errorf("pg: In(non-slice %T)", slice),
}
}
return &inOp{
slice: v,
}
}
func (in *inOp) AppendValue(b []byte, flags int) ([]byte, error) {
if in.stickyErr != nil {
return nil, in.stickyErr
}
return appendIn(b, in.slice, flags), nil
}
func appendIn(b []byte, slice reflect.Value, flags int) []byte {
sliceLen := slice.Len()
for i := 0; i < sliceLen; i++ {
if i > 0 {
b = append(b, ',')
}
elem := slice.Index(i)
if elem.Kind() == reflect.Interface {
elem = elem.Elem()
}
if elem.Kind() == reflect.Slice {
b = append(b, '(')
b = appendIn(b, elem, flags)
b = append(b, ')')
} else {
b = appendValue(b, elem, flags)
}
}
return b
}

58
vendor/github.com/go-pg/pg/v10/types/null_time.go generated vendored
View file

@ -1,58 +0,0 @@
package types
import (
"bytes"
"database/sql"
"encoding/json"
"time"
)
var jsonNull = []byte("null")
// NullTime is a time.Time wrapper that marshals zero time as JSON null and
// PostgreSQL NULL.
type NullTime struct {
time.Time
}
var (
_ json.Marshaler = (*NullTime)(nil)
_ json.Unmarshaler = (*NullTime)(nil)
_ sql.Scanner = (*NullTime)(nil)
_ ValueAppender = (*NullTime)(nil)
)
func (tm NullTime) MarshalJSON() ([]byte, error) {
if tm.IsZero() {
return jsonNull, nil
}
return tm.Time.MarshalJSON()
}
func (tm *NullTime) UnmarshalJSON(b []byte) error {
if bytes.Equal(b, jsonNull) {
tm.Time = time.Time{}
return nil
}
return tm.Time.UnmarshalJSON(b)
}
func (tm NullTime) AppendValue(b []byte, flags int) ([]byte, error) {
if tm.IsZero() {
return AppendNull(b, flags), nil
}
return AppendTime(b, tm.Time, flags), nil
}
func (tm *NullTime) Scan(b interface{}) error {
if b == nil {
tm.Time = time.Time{}
return nil
}
newtm, err := ParseTime(b.([]byte))
if err != nil {
return err
}
tm.Time = newtm
return nil
}

244
vendor/github.com/go-pg/pg/v10/types/scan.go generated vendored
View file

@ -1,244 +0,0 @@
package types
import (
"errors"
"fmt"
"reflect"
"time"
"github.com/tmthrgd/go-hex"
"github.com/go-pg/pg/v10/internal"
)
func Scan(v interface{}, rd Reader, n int) error {
var err error
switch v := v.(type) {
case *string:
*v, err = ScanString(rd, n)
return err
case *[]byte:
*v, err = ScanBytes(rd, n)
return err
case *int:
*v, err = ScanInt(rd, n)
return err
case *int64:
*v, err = ScanInt64(rd, n)
return err
case *float32:
*v, err = ScanFloat32(rd, n)
return err
case *float64:
*v, err = ScanFloat64(rd, n)
return err
case *time.Time:
*v, err = ScanTime(rd, n)
return err
}
vv := reflect.ValueOf(v)
if !vv.IsValid() {
return errors.New("pg: Scan(nil)")
}
if vv.Kind() != reflect.Ptr {
return fmt.Errorf("pg: Scan(non-pointer %T)", v)
}
if vv.IsNil() {
return fmt.Errorf("pg: Scan(non-settable %T)", v)
}
vv = vv.Elem()
if vv.Kind() == reflect.Interface {
if vv.IsNil() {
return errors.New("pg: Scan(nil)")
}
vv = vv.Elem()
if vv.Kind() != reflect.Ptr {
return fmt.Errorf("pg: Decode(non-pointer %s)", vv.Type().String())
}
}
return ScanValue(vv, rd, n)
}
func ScanString(rd Reader, n int) (string, error) {
if n <= 0 {
return "", nil
}
b, err := rd.ReadFull()
if err != nil {
return "", err
}
return internal.BytesToString(b), nil
}
func ScanBytes(rd Reader, n int) ([]byte, error) {
if n == -1 {
return nil, nil
}
if n == 0 {
return []byte{}, nil
}
b := make([]byte, hex.DecodedLen(n-2))
if err := ReadBytes(rd, b); err != nil {
return nil, err
}
return b, nil
}
func ReadBytes(rd Reader, b []byte) error {
tmp, err := rd.ReadFullTemp()
if err != nil {
return err
}
if len(tmp) < 2 {
return fmt.Errorf("pg: can't parse bytea: %q", tmp)
}
if tmp[0] != '\\' || tmp[1] != 'x' {
return fmt.Errorf("pg: can't parse bytea: %q", tmp)
}
tmp = tmp[2:] // Trim off "\\x".
if len(b) != hex.DecodedLen(len(tmp)) {
return fmt.Errorf("pg: too small buf to decode hex")
}
if _, err := hex.Decode(b, tmp); err != nil {
return err
}
return nil
}
func ScanInt(rd Reader, n int) (int, error) {
if n <= 0 {
return 0, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return 0, err
}
num, err := internal.Atoi(tmp)
if err != nil {
return 0, err
}
return num, nil
}
func ScanInt64(rd Reader, n int) (int64, error) {
return scanInt64(rd, n, 64)
}
func scanInt64(rd Reader, n int, bitSize int) (int64, error) {
if n <= 0 {
return 0, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return 0, err
}
num, err := internal.ParseInt(tmp, 10, bitSize)
if err != nil {
return 0, err
}
return num, nil
}
func ScanUint64(rd Reader, n int) (uint64, error) {
if n <= 0 {
return 0, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return 0, err
}
// PostgreSQL does not natively support uint64 - only int64.
// Be nice and accept negative int64.
if len(tmp) > 0 && tmp[0] == '-' {
num, err := internal.ParseInt(tmp, 10, 64)
if err != nil {
return 0, err
}
return uint64(num), nil
}
num, err := internal.ParseUint(tmp, 10, 64)
if err != nil {
return 0, err
}
return num, nil
}
func ScanFloat32(rd Reader, n int) (float32, error) {
if n <= 0 {
return 0, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return 0, err
}
num, err := internal.ParseFloat(tmp, 32)
if err != nil {
return 0, err
}
return float32(num), nil
}
func ScanFloat64(rd Reader, n int) (float64, error) {
if n <= 0 {
return 0, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return 0, err
}
num, err := internal.ParseFloat(tmp, 64)
if err != nil {
return 0, err
}
return num, nil
}
func ScanTime(rd Reader, n int) (time.Time, error) {
if n <= 0 {
return time.Time{}, nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return time.Time{}, err
}
return ParseTime(tmp)
}
func ScanBool(rd Reader, n int) (bool, error) {
tmp, err := rd.ReadFullTemp()
if err != nil {
return false, err
}
return len(tmp) == 1 && (tmp[0] == 't' || tmp[0] == '1'), nil
}

418
vendor/github.com/go-pg/pg/v10/types/scan_value.go generated vendored
View file

@ -1,418 +0,0 @@
package types
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
"net"
"reflect"
"sync"
"time"
"github.com/go-pg/pg/v10/internal"
"github.com/go-pg/pg/v10/pgjson"
)
var (
valueScannerType = reflect.TypeOf((*ValueScanner)(nil)).Elem()
sqlScannerType = reflect.TypeOf((*sql.Scanner)(nil)).Elem()
timeType = reflect.TypeOf((*time.Time)(nil)).Elem()
ipType = reflect.TypeOf((*net.IP)(nil)).Elem()
ipNetType = reflect.TypeOf((*net.IPNet)(nil)).Elem()
jsonRawMessageType = reflect.TypeOf((*json.RawMessage)(nil)).Elem()
)
type ScannerFunc func(reflect.Value, Reader, int) error
var valueScanners []ScannerFunc
//nolint
func init() {
valueScanners = []ScannerFunc{
reflect.Bool: scanBoolValue,
reflect.Int: scanInt64Value,
reflect.Int8: scanInt64Value,
reflect.Int16: scanInt64Value,
reflect.Int32: scanInt64Value,
reflect.Int64: scanInt64Value,
reflect.Uint: scanUint64Value,
reflect.Uint8: scanUint64Value,
reflect.Uint16: scanUint64Value,
reflect.Uint32: scanUint64Value,
reflect.Uint64: scanUint64Value,
reflect.Uintptr: nil,
reflect.Float32: scanFloat32Value,
reflect.Float64: scanFloat64Value,
reflect.Complex64: nil,
reflect.Complex128: nil,
reflect.Array: scanJSONValue,
reflect.Chan: nil,
reflect.Func: nil,
reflect.Interface: scanIfaceValue,
reflect.Map: scanJSONValue,
reflect.Ptr: nil,
reflect.Slice: scanJSONValue,
reflect.String: scanStringValue,
reflect.Struct: scanJSONValue,
reflect.UnsafePointer: nil,
}
}
var scannersMap sync.Map
// RegisterScanner registers an scanner func for the type.
// Expecting to be used only during initialization, it panics
// if there is already a registered scanner for the given type.
func RegisterScanner(value interface{}, fn ScannerFunc) {
registerScanner(reflect.TypeOf(value), fn)
}
func registerScanner(typ reflect.Type, fn ScannerFunc) {
_, loaded := scannersMap.LoadOrStore(typ, fn)
if loaded {
err := fmt.Errorf("pg: scanner for the type=%s is already registered",
typ.String())
panic(err)
}
}
func Scanner(typ reflect.Type) ScannerFunc {
if v, ok := scannersMap.Load(typ); ok {
return v.(ScannerFunc)
}
fn := scanner(typ, false)
_, _ = scannersMap.LoadOrStore(typ, fn)
return fn
}
func scanner(typ reflect.Type, pgArray bool) ScannerFunc {
switch typ {
case timeType:
return scanTimeValue
case ipType:
return scanIPValue
case ipNetType:
return scanIPNetValue
case jsonRawMessageType:
return scanJSONRawMessageValue
}
if typ.Implements(valueScannerType) {
return scanValueScannerValue
}
if reflect.PtrTo(typ).Implements(valueScannerType) {
return scanValueScannerAddrValue
}
if typ.Implements(sqlScannerType) {
return scanSQLScannerValue
}
if reflect.PtrTo(typ).Implements(sqlScannerType) {
return scanSQLScannerAddrValue
}
kind := typ.Kind()
switch kind {
case reflect.Ptr:
return ptrScannerFunc(typ)
case reflect.Slice:
if typ.Elem().Kind() == reflect.Uint8 {
return scanBytesValue
}
if pgArray {
return ArrayScanner(typ)
}
case reflect.Array:
if typ.Elem().Kind() == reflect.Uint8 {
return scanArrayBytesValue
}
}
return valueScanners[kind]
}
func ptrScannerFunc(typ reflect.Type) ScannerFunc {
scanner := Scanner(typ.Elem())
return func(v reflect.Value, rd Reader, n int) error {
if scanner == nil {
return fmt.Errorf("pg: Scan(unsupported %s)", v.Type())
}
if n == -1 {
if v.IsNil() {
return nil
}
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
v.Set(reflect.Zero(v.Type()))
return nil
}
if v.IsNil() {
if !v.CanSet() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
v.Set(reflect.New(v.Type().Elem()))
}
return scanner(v.Elem(), rd, n)
}
}
func scanIfaceValue(v reflect.Value, rd Reader, n int) error {
if v.IsNil() {
return scanJSONValue(v, rd, n)
}
return ScanValue(v.Elem(), rd, n)
}
func ScanValue(v reflect.Value, rd Reader, n int) error {
if !v.IsValid() {
return errors.New("pg: Scan(nil)")
}
scanner := Scanner(v.Type())
if scanner != nil {
return scanner(v, rd, n)
}
if v.Kind() == reflect.Interface {
return errors.New("pg: Scan(nil)")
}
return fmt.Errorf("pg: Scan(unsupported %s)", v.Type())
}
func scanBoolValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
v.SetBool(false)
return nil
}
flag, err := ScanBool(rd, n)
if err != nil {
return err
}
v.SetBool(flag)
return nil
}
func scanInt64Value(v reflect.Value, rd Reader, n int) error {
num, err := ScanInt64(rd, n)
if err != nil {
return err
}
v.SetInt(num)
return nil
}
func scanUint64Value(v reflect.Value, rd Reader, n int) error {
num, err := ScanUint64(rd, n)
if err != nil {
return err
}
v.SetUint(num)
return nil
}
func scanFloat32Value(v reflect.Value, rd Reader, n int) error {
num, err := ScanFloat32(rd, n)
if err != nil {
return err
}
v.SetFloat(float64(num))
return nil
}
func scanFloat64Value(v reflect.Value, rd Reader, n int) error {
num, err := ScanFloat64(rd, n)
if err != nil {
return err
}
v.SetFloat(num)
return nil
}
func scanStringValue(v reflect.Value, rd Reader, n int) error {
s, err := ScanString(rd, n)
if err != nil {
return err
}
v.SetString(s)
return nil
}
func scanJSONValue(v reflect.Value, rd Reader, n int) error {
// Zero value so it works with SelectOrInsert.
// TODO: better handle slices
v.Set(reflect.New(v.Type()).Elem())
if n == -1 {
return nil
}
dec := pgjson.NewDecoder(rd)
return dec.Decode(v.Addr().Interface())
}
func scanTimeValue(v reflect.Value, rd Reader, n int) error {
tm, err := ScanTime(rd, n)
if err != nil {
return err
}
ptr := v.Addr().Interface().(*time.Time)
*ptr = tm
return nil
}
func scanIPValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
return nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return err
}
ip := net.ParseIP(internal.BytesToString(tmp))
if ip == nil {
return fmt.Errorf("pg: invalid ip=%q", tmp)
}
ptr := v.Addr().Interface().(*net.IP)
*ptr = ip
return nil
}
var zeroIPNetValue = reflect.ValueOf(net.IPNet{})
func scanIPNetValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
v.Set(zeroIPNetValue)
return nil
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return err
}
_, ipnet, err := net.ParseCIDR(internal.BytesToString(tmp))
if err != nil {
return err
}
ptr := v.Addr().Interface().(*net.IPNet)
*ptr = *ipnet
return nil
}
func scanJSONRawMessageValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
v.SetBytes(nil)
return nil
}
b, err := rd.ReadFull()
if err != nil {
return err
}
v.SetBytes(b)
return nil
}
func scanBytesValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
v.SetBytes(nil)
return nil
}
b, err := ScanBytes(rd, n)
if err != nil {
return err
}
v.SetBytes(b)
return nil
}
func scanArrayBytesValue(v reflect.Value, rd Reader, n int) error {
b := v.Slice(0, v.Len()).Bytes()
if n == -1 {
for i := range b {
b[i] = 0
}
return nil
}
return ReadBytes(rd, b)
}
func scanValueScannerValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
if v.IsNil() {
return nil
}
return v.Interface().(ValueScanner).ScanValue(rd, n)
}
if v.IsNil() {
v.Set(reflect.New(v.Type().Elem()))
}
return v.Interface().(ValueScanner).ScanValue(rd, n)
}
func scanValueScannerAddrValue(v reflect.Value, rd Reader, n int) error {
if !v.CanAddr() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
return v.Addr().Interface().(ValueScanner).ScanValue(rd, n)
}
func scanSQLScannerValue(v reflect.Value, rd Reader, n int) error {
if n == -1 {
if nilable(v) && v.IsNil() {
return nil
}
return scanSQLScanner(v.Interface().(sql.Scanner), rd, n)
}
if nilable(v) && v.IsNil() {
v.Set(reflect.New(v.Type().Elem()))
}
return scanSQLScanner(v.Interface().(sql.Scanner), rd, n)
}
func scanSQLScannerAddrValue(v reflect.Value, rd Reader, n int) error {
if !v.CanAddr() {
return fmt.Errorf("pg: Scan(non-settable %s)", v.Type())
}
return scanSQLScanner(v.Addr().Interface().(sql.Scanner), rd, n)
}
func scanSQLScanner(scanner sql.Scanner, rd Reader, n int) error {
if n == -1 {
return scanner.Scan(nil)
}
tmp, err := rd.ReadFullTemp()
if err != nil {
return err
}
return scanner.Scan(tmp)
}

37
vendor/github.com/go-pg/pg/v10/types/types.go generated vendored
View file

@ -1,37 +0,0 @@
package types
import (
"github.com/go-pg/pg/v10/internal/pool"
)
type Reader = pool.Reader
type ValueScanner interface {
ScanValue(rd Reader, n int) error
}
type ValueAppender interface {
AppendValue(b []byte, flags int) ([]byte, error)
}
//------------------------------------------------------------------------------
// Safe represents a safe SQL query.
type Safe string
var _ ValueAppender = (*Safe)(nil)
func (q Safe) AppendValue(b []byte, flags int) ([]byte, error) {
return append(b, q...), nil
}
//------------------------------------------------------------------------------
// Ident represents a SQL identifier, e.g. table or column name.
type Ident string
var _ ValueAppender = (*Ident)(nil)
func (f Ident) AppendValue(b []byte, flags int) ([]byte, error) {
return AppendIdent(b, string(f), flags), nil
}

24
vendor/github.com/go-pg/zerochecker/LICENSE generated vendored
View file

@ -1,24 +0,0 @@
Copyright (c) 2013 github.com/go-pg/pg Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

3
vendor/github.com/go-pg/zerochecker/go.mod generated vendored
View file

@ -1,3 +0,0 @@
module github.com/go-pg/zerochecker
go 1.13

9
vendor/github.com/jackc/chunkreader/v2/.travis.yml generated vendored Normal file
View file

@ -0,0 +1,9 @@
language: go
go:
- 1.x
- tip
matrix:
allow_failures:
- go: tip

22
vendor/github.com/jackc/chunkreader/v2/LICENSE generated vendored Normal file
View file

@ -0,0 +1,22 @@
Copyright (c) 2019 Jack Christensen
MIT License
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

8
vendor/github.com/jackc/chunkreader/v2/README.md generated vendored Normal file
View file

@ -0,0 +1,8 @@
[![](https://godoc.org/github.com/jackc/chunkreader?status.svg)](https://godoc.org/github.com/jackc/chunkreader)
[![Build Status](https://travis-ci.org/jackc/chunkreader.svg)](https://travis-ci.org/jackc/chunkreader)
# chunkreader
Package chunkreader provides an io.Reader wrapper that minimizes IO reads and memory allocations.
Extracted from original implementation in https://github.com/jackc/pgx.

104
vendor/github.com/jackc/chunkreader/v2/chunkreader.go generated vendored Normal file
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@ -0,0 +1,104 @@
// Package chunkreader provides an io.Reader wrapper that minimizes IO reads and memory allocations.
package chunkreader
import (
"io"
)
// ChunkReader is a io.Reader wrapper that minimizes IO reads and memory allocations. It allocates memory in chunks and
// will read as much as will fit in the current buffer in a single call regardless of how large a read is actually
// requested. The memory returned via Next is owned by the caller. This avoids the need for an additional copy.
//
// The downside of this approach is that a large buffer can be pinned in memory even if only a small slice is
// referenced. For example, an entire 4096 byte block could be pinned in memory by even a 1 byte slice. In these rare
// cases it would be advantageous to copy the bytes to another slice.
type ChunkReader struct {
r io.Reader
buf []byte
rp, wp int // buf read position and write position
config Config
}
// Config contains configuration parameters for ChunkReader.
type Config struct {
MinBufLen int // Minimum buffer length
}
// New creates and returns a new ChunkReader for r with default configuration.
func New(r io.Reader) *ChunkReader {
cr, err := NewConfig(r, Config{})
if err != nil {
panic("default config can't be bad")
}
return cr
}
// NewConfig creates and a new ChunkReader for r configured by config.
func NewConfig(r io.Reader, config Config) (*ChunkReader, error) {
if config.MinBufLen == 0 {
// By historical reasons Postgres currently has 8KB send buffer inside,
// so here we want to have at least the same size buffer.
// @see https://github.com/postgres/postgres/blob/249d64999615802752940e017ee5166e726bc7cd/src/backend/libpq/pqcomm.c#L134
// @see https://www.postgresql.org/message-id/0cdc5485-cb3c-5e16-4a46-e3b2f7a41322%40ya.ru
config.MinBufLen = 8192
}
return &ChunkReader{
r: r,
buf: make([]byte, config.MinBufLen),
config: config,
}, nil
}
// Next returns buf filled with the next n bytes. The caller gains ownership of buf. It is not necessary to make a copy
// of buf. If an error occurs, buf will be nil.
func (r *ChunkReader) Next(n int) (buf []byte, err error) {
// n bytes already in buf
if (r.wp - r.rp) >= n {
buf = r.buf[r.rp : r.rp+n]
r.rp += n
return buf, err
}
// available space in buf is less than n
if len(r.buf) < n {
r.copyBufContents(r.newBuf(n))
}
// buf is large enough, but need to shift filled area to start to make enough contiguous space
minReadCount := n - (r.wp - r.rp)
if (len(r.buf) - r.wp) < minReadCount {
newBuf := r.newBuf(n)
r.copyBufContents(newBuf)
}
if err := r.appendAtLeast(minReadCount); err != nil {
return nil, err
}
buf = r.buf[r.rp : r.rp+n]
r.rp += n
return buf, nil
}
func (r *ChunkReader) appendAtLeast(fillLen int) error {
n, err := io.ReadAtLeast(r.r, r.buf[r.wp:], fillLen)
r.wp += n
return err
}
func (r *ChunkReader) newBuf(size int) []byte {
if size < r.config.MinBufLen {
size = r.config.MinBufLen
}
return make([]byte, size)
}
func (r *ChunkReader) copyBufContents(dest []byte) {
r.wp = copy(dest, r.buf[r.rp:r.wp])
r.rp = 0
r.buf = dest
}

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