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dorm/vendor/github.com/golang-sql/sqlexp/pg.go

68 lines
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// Copyright 2017 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 sqlexp
import (
"context"
"database/sql/driver"
"fmt"
)
type postgresql struct{}
var (
_ DriverNamer = postgresql{}
_ DriverQuoter = postgresql{}
_ DriverSavepointer = postgresql{}
)
func (postgresql) Open(string) (driver.Conn, error) {
panic("not implemented")
}
func (postgresql) Namer(ctx context.Context) (Namer, error) {
return pgNamer{}, nil
}
func (postgresql) Quoter(ctx context.Context) (Quoter, error) {
panic("not implemented")
}
func (postgresql) Savepointer() (Savepointer, error) {
return pgSavepointer{}, nil
}
type pgNamer struct{}
func (pgNamer) Name() string {
return "postgresql"
}
func (pgNamer) Dialect() string {
return DialectPostgres
}
type pgQuoter struct{}
func (pgQuoter) ID(name string) string {
return ""
}
func (pgQuoter) Value(v interface{}) string {
return ""
}
type pgSavepointer struct{}
func (pgSavepointer) Release(name string) string {
return fmt.Sprintf("release savepoint %s;", name)
}
func (pgSavepointer) Create(name string) string {
return fmt.Sprintf("savepoint %s;", name)
}
func (pgSavepointer) Rollback(name string) string {
return fmt.Sprintf("rollback to savepoint %s;", name)
}