Pg to bun (#148)

* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes

vendor/github.com/uptrace/bun/CHANGELOG.md

@@ -0,0 +1,99 @@
+# Changelog
+
+## v0.4.1 - Aug 18 2021
+
+- Fixed migrate package to properly rollback migrations.
+- Added `allowzero` tag option that undoes `nullzero` option.
+
+## v0.4.0 - Aug 11 2021
+
+- Changed `WhereGroup` function to accept `*SelectQuery`.
+- Fixed query hooks for count queries.
+
+## v0.3.4 - Jul 19 2021
+
+- Renamed `migrate.CreateGo` to `CreateGoMigration`.
+- Added `migrate.WithPackageName` to customize the Go package name in generated migrations.
+- Renamed `migrate.CreateSQL` to `CreateSQLMigrations` and changed `CreateSQLMigrations` to create
+  both up and down migration files.
+
+## v0.3.1 - Jul 12 2021
+
+- Renamed `alias` field struct tag to `alt` so it is not confused with column alias.
+- Reworked migrate package API. See
+  [migrate](https://github.com/uptrace/bun/tree/master/example/migrate) example for details.
+
+## v0.3.0 - Jul 09 2021
+
+- Changed migrate package to return structured data instead of logging the progress. See
+  [migrate](https://github.com/uptrace/bun/tree/master/example/migrate) example for details.
+
+## v0.2.14 - Jul 01 2021
+
+- Added [sqliteshim](https://pkg.go.dev/github.com/uptrace/bun/driver/sqliteshim) by
+  [Ivan Trubach](https://github.com/tie).
+- Added support for MySQL 5.7 in addition to MySQL 8.
+
+## v0.2.12 - Jun 29 2021
+
+- Fixed scanners for net.IP and net.IPNet.
+
+## v0.2.10 - Jun 29 2021
+
+- Fixed pgdriver to format passed query args.
+
+## v0.2.9 - Jun 27 2021
+
+- Added support for prepared statements in pgdriver.
+
+## v0.2.7 - Jun 26 2021
+
+- Added `UpdateQuery.Bulk` helper to generate bulk-update queries.
+
+  Before:
+
+  ```go
+  models := []Model{
+  	{42, "hello"},
+  	{43, "world"},
+  }
+  return db.NewUpdate().
+  	With("_data", db.NewValues(&models)).
+  	Model(&models).
+  	Table("_data").
+  	Set("model.str = _data.str").
+  	Where("model.id = _data.id")
+  ```
+
+  Now:
+
+  ```go
+  db.NewUpdate().
+  	Model(&models).
+  	Bulk()
+  ```
+
+## v0.2.5 - Jun 25 2021
+
+- Changed time.Time to always append zero time as `NULL`.
+- Added `db.RunInTx` helper.
+
+## v0.2.4 - Jun 21 2021
+
+- Added SSL support to pgdriver.
+
+## v0.2.3 - Jun 20 2021
+
+- Replaced `ForceDelete(ctx)` with `ForceDelete().Exec(ctx)` for soft deletes.
+
+## v0.2.1 - Jun 17 2021
+
+- Renamed `DBI` to `IConn`. `IConn` is a common interface for `*sql.DB`, `*sql.Conn`, and `*sql.Tx`.
+- Added `IDB`. `IDB` is a common interface for `*bun.DB`, `bun.Conn`, and `bun.Tx`.
+
+## v0.2.0 - Jun 16 2021
+
+- Changed [model hooks](https://bun.uptrace.dev/guide/hooks.html#model-hooks). See
+  [model-hooks](example/model-hooks) example.
+- Renamed `has-one` to `belongs-to`. Renamed `belongs-to` to `has-one`. Previously Bun used
+  incorrect names for these relations.