forked from mirror/gitea
72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package db
|
|
|
|
import (
|
|
"database/sql"
|
|
"database/sql/driver"
|
|
"sync"
|
|
|
|
"code.gitea.io/gitea/modules/setting"
|
|
|
|
"github.com/lib/pq"
|
|
"xorm.io/xorm/dialects"
|
|
)
|
|
|
|
var registerOnce sync.Once
|
|
|
|
func registerPostgresSchemaDriver() {
|
|
registerOnce.Do(func() {
|
|
sql.Register("postgresschema", &postgresSchemaDriver{})
|
|
dialects.RegisterDriver("postgresschema", dialects.QueryDriver("postgres"))
|
|
})
|
|
}
|
|
|
|
type postgresSchemaDriver struct {
|
|
pq.Driver
|
|
}
|
|
|
|
// Open opens a new connection to the database. name is a connection string.
|
|
// This function opens the postgres connection in the default manner but immediately
|
|
// runs set_config to set the search_path appropriately
|
|
func (d *postgresSchemaDriver) Open(name string) (driver.Conn, error) {
|
|
conn, err := d.Driver.Open(name)
|
|
if err != nil {
|
|
return conn, err
|
|
}
|
|
schemaValue, _ := driver.String.ConvertValue(setting.Database.Schema)
|
|
|
|
if execer, ok := conn.(driver.Execer); ok {
|
|
_, err := execer.Exec(`SELECT set_config(
|
|
'search_path',
|
|
$1 || ',' || current_setting('search_path'),
|
|
false)`, []driver.Value{schemaValue})
|
|
if err != nil {
|
|
_ = conn.Close()
|
|
return nil, err
|
|
}
|
|
return conn, nil
|
|
}
|
|
|
|
stmt, err := conn.Prepare(`SELECT set_config(
|
|
'search_path',
|
|
$1 || ',' || current_setting('search_path'),
|
|
false)`)
|
|
if err != nil {
|
|
_ = conn.Close()
|
|
return nil, err
|
|
}
|
|
defer stmt.Close()
|
|
|
|
// driver.String.ConvertValue will never return err for string
|
|
|
|
_, err = stmt.Exec([]driver.Value{schemaValue})
|
|
if err != nil {
|
|
_ = conn.Close()
|
|
return nil, err
|
|
}
|
|
|
|
return conn, nil
|
|
}
|