mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 16:02:26 -05:00
ff950e94bb
- github.com/ncruces/go-sqlite3 - codeberg.org/gruf/go-mempool - codeberg.org/gruf/go-structr (changes related on the above) * - codeberg.org/gruf/go-mutexes (changes related on the above) * * this is largely just fiddling around with package internals in structr and mutexes to rely on changes in mempool, which added a new concurrency-safe pool Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4468 Co-authored-by: kim <grufwub@gmail.com> Co-committed-by: kim <grufwub@gmail.com>
93 lines
2.4 KiB
Go
93 lines
2.4 KiB
Go
//go:build !goexperiment.jsonv2
|
|
|
|
package sqlite3
|
|
|
|
import (
|
|
"encoding/json"
|
|
"strconv"
|
|
|
|
"github.com/ncruces/go-sqlite3/internal/util"
|
|
)
|
|
|
|
// JSON returns a value that can be used as an argument to
|
|
// [database/sql.DB.Exec], [database/sql.Row.Scan] and similar methods to
|
|
// store value as JSON, or decode JSON into value.
|
|
// JSON should NOT be used with [Stmt.BindJSON], [Stmt.ColumnJSON],
|
|
// [Value.JSON], or [Context.ResultJSON].
|
|
func JSON(value any) any {
|
|
return util.JSON{Value: value}
|
|
}
|
|
|
|
// ResultJSON sets the result of the function to the JSON encoding of value.
|
|
//
|
|
// https://sqlite.org/c3ref/result_blob.html
|
|
func (ctx Context) ResultJSON(value any) {
|
|
err := json.NewEncoder(callbackWriter(func(p []byte) (int, error) {
|
|
ctx.ResultRawText(p[:len(p)-1]) // remove the newline
|
|
return 0, nil
|
|
})).Encode(value)
|
|
|
|
if err != nil {
|
|
ctx.ResultError(err)
|
|
return // notest
|
|
}
|
|
}
|
|
|
|
// BindJSON binds the JSON encoding of value to the prepared statement.
|
|
// The leftmost SQL parameter has an index of 1.
|
|
//
|
|
// https://sqlite.org/c3ref/bind_blob.html
|
|
func (s *Stmt) BindJSON(param int, value any) error {
|
|
return json.NewEncoder(callbackWriter(func(p []byte) (int, error) {
|
|
return 0, s.BindRawText(param, p[:len(p)-1]) // remove the newline
|
|
})).Encode(value)
|
|
}
|
|
|
|
// ColumnJSON parses the JSON-encoded value of the result column
|
|
// and stores it in the value pointed to by ptr.
|
|
// The leftmost column of the result set has the index 0.
|
|
//
|
|
// https://sqlite.org/c3ref/column_blob.html
|
|
func (s *Stmt) ColumnJSON(col int, ptr any) error {
|
|
var data []byte
|
|
switch s.ColumnType(col) {
|
|
case NULL:
|
|
data = []byte("null")
|
|
case TEXT:
|
|
data = s.ColumnRawText(col)
|
|
case BLOB:
|
|
data = s.ColumnRawBlob(col)
|
|
case INTEGER:
|
|
data = strconv.AppendInt(nil, s.ColumnInt64(col), 10)
|
|
case FLOAT:
|
|
data = util.AppendNumber(nil, s.ColumnFloat(col))
|
|
default:
|
|
panic(util.AssertErr())
|
|
}
|
|
return json.Unmarshal(data, ptr)
|
|
}
|
|
|
|
// JSON parses a JSON-encoded value
|
|
// and stores the result in the value pointed to by ptr.
|
|
func (v Value) JSON(ptr any) error {
|
|
var data []byte
|
|
switch v.Type() {
|
|
case NULL:
|
|
data = []byte("null")
|
|
case TEXT:
|
|
data = v.RawText()
|
|
case BLOB:
|
|
data = v.RawBlob()
|
|
case INTEGER:
|
|
data = strconv.AppendInt(nil, v.Int64(), 10)
|
|
case FLOAT:
|
|
data = util.AppendNumber(nil, v.Float())
|
|
default:
|
|
panic(util.AssertErr())
|
|
}
|
|
return json.Unmarshal(data, ptr)
|
|
}
|
|
|
|
type callbackWriter func(p []byte) (int, error)
|
|
|
|
func (fn callbackWriter) Write(p []byte) (int, error) { return fn(p) }
|