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- // Copyright 2020 The Gitea Authors. All rights reserved.
- // Use of this source code is governed by a MIT-style
- // license that can be found in the LICENSE file.
-
- package models
-
- 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)
-
- // golangci lint is incorrect here - there is no benefit to using driver.ExecerContext here
- // and in any case pq does not implement it
- if execer, ok := conn.(driver.Execer); ok { //nolint
- _, err := execer.Exec(`SELECT set_config(
- 'search_path',
- $1 || ',' || current_setting('search_path'),
- false)`, []driver.Value{schemaValue}) //nolint
- 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
-
- // golangci lint is incorrect here - there is no benefit to using stmt.ExecWithContext here
- _, err = stmt.Exec([]driver.Value{schemaValue}) //nolint
- if err != nil {
- _ = conn.Close()
- return nil, err
- }
-
- return conn, nil
- }
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