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gitea/vendor/google.golang.org/appengine/cloudsql/cloudsql.go

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1.8 KiB

// Copyright 2013 Google Inc. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
/*
Package cloudsql exposes access to Google Cloud SQL databases.
This package does not work in App Engine "flexible environment".
This package is intended for MySQL drivers to make App Engine-specific
connections. Applications should use this package through database/sql:
Select a pure Go MySQL driver that supports this package, and use sql.Open
with protocol "cloudsql" and an address of the Cloud SQL instance.
A Go MySQL driver that has been tested to work well with Cloud SQL
is the go-sql-driver:
import "database/sql"
import _ "github.com/go-sql-driver/mysql"
db, err := sql.Open("mysql", "user@cloudsql(project-id:instance-name)/dbname")
Another driver that works well with Cloud SQL is the mymysql driver:
import "database/sql"
import _ "github.com/ziutek/mymysql/godrv"
db, err := sql.Open("mymysql", "cloudsql:instance-name*dbname/user/password")
Using either of these drivers, you can perform a standard SQL query.
This example assumes there is a table named 'users' with
columns 'first_name' and 'last_name':
rows, err := db.Query("SELECT first_name, last_name FROM users")
if err != nil {
log.Errorf(ctx, "db.Query: %v", err)
}
defer rows.Close()
for rows.Next() {
var firstName string
var lastName string
if err := rows.Scan(&firstName, &lastName); err != nil {
log.Errorf(ctx, "rows.Scan: %v", err)
continue
}
log.Infof(ctx, "First: %v - Last: %v", firstName, lastName)
}
if err := rows.Err(); err != nil {
log.Errorf(ctx, "Row error: %v", err)
}
*/
package cloudsql
import (
"net"
)
// Dial connects to the named Cloud SQL instance.
func Dial(instance string) (net.Conn, error) {
return connect(instance)
}