76 lines
1.9 KiB
Go
76 lines
1.9 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package db
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import (
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"database/sql"
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"database/sql/driver"
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"sync"
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"code.gitea.io/gitea/modules/setting"
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"github.com/lib/pq"
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"xorm.io/xorm/dialects"
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)
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var registerOnce sync.Once
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func registerPostgresSchemaDriver() {
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registerOnce.Do(func() {
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sql.Register("postgresschema", &postgresSchemaDriver{})
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dialects.RegisterDriver("postgresschema", dialects.QueryDriver("postgres"))
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})
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}
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type postgresSchemaDriver struct {
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pq.Driver
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}
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// Open opens a new connection to the database. name is a connection string.
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// This function opens the postgres connection in the default manner but immediately
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// runs set_config to set the search_path appropriately
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func (d *postgresSchemaDriver) Open(name string) (driver.Conn, error) {
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conn, err := d.Driver.Open(name)
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if err != nil {
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return conn, err
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}
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schemaValue, _ := driver.String.ConvertValue(setting.Database.Schema)
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// golangci lint is incorrect here - there is no benefit to using driver.ExecerContext here
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// and in any case pq does not implement it
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if execer, ok := conn.(driver.Execer); ok { //nolint
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_, err := execer.Exec(`SELECT set_config(
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'search_path',
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$1 || ',' || current_setting('search_path'),
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false)`, []driver.Value{schemaValue})
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if err != nil {
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_ = conn.Close()
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return nil, err
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}
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return conn, nil
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}
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stmt, err := conn.Prepare(`SELECT set_config(
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'search_path',
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$1 || ',' || current_setting('search_path'),
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false)`)
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if err != nil {
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_ = conn.Close()
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return nil, err
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}
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defer stmt.Close()
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// driver.String.ConvertValue will never return err for string
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// golangci lint is incorrect here - there is no benefit to using stmt.ExecWithContext here
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_, err = stmt.Exec([]driver.Value{schemaValue}) //nolint
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if err != nil {
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_ = conn.Close()
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return nil, err
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}
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return conn, nil
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}
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