-
Notifications
You must be signed in to change notification settings - Fork 29
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
* chore: bump pgx version to v5 (#639)
- Loading branch information
1 parent
bd821fb
commit 8d86d92
Showing
5 changed files
with
181 additions
and
66 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,94 @@ | ||
// Copyright 2023 Google LLC | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
// Package pgxv5 provides a Cloud SQL Postgres driver that uses pgx v5 and works | ||
// with the database/sql package. | ||
package pgxv5 | ||
|
||
import ( | ||
"context" | ||
"database/sql" | ||
"database/sql/driver" | ||
"net" | ||
"sync" | ||
|
||
"cloud.google.com/go/cloudsqlconn" | ||
"github.com/jackc/pgx/v5" | ||
"github.com/jackc/pgx/v5/stdlib" | ||
) | ||
|
||
// RegisterDriver registers a Postgres driver that uses the cloudsqlconn.Dialer | ||
// configured with the provided options. The choice of name is entirely up to | ||
// the caller and may be used to distinguish between multiple registrations of | ||
// differently configured Dialers. The driver uses pgx/v5 internally. | ||
// RegisterDriver returns a cleanup function that should be called one the | ||
// database connection is no longer needed. | ||
func RegisterDriver(name string, opts ...cloudsqlconn.Option) (func() error, error) { | ||
d, err := cloudsqlconn.NewDialer(context.Background(), opts...) | ||
if err != nil { | ||
return func() error { return nil }, err | ||
} | ||
sql.Register(name, &pgDriver{ | ||
d: d, | ||
dbURIs: make(map[string]string), | ||
}) | ||
return func() error { return d.Close() }, nil | ||
} | ||
|
||
type pgDriver struct { | ||
d *cloudsqlconn.Dialer | ||
mu sync.RWMutex | ||
// dbURIs is a map of DSN to DB URI for registered connection names. | ||
dbURIs map[string]string | ||
} | ||
|
||
// Open accepts a keyword/value formatted connection string and returns a | ||
// connection to the database using cloudsqlconn.Dialer. The Cloud SQL instance | ||
// connection name should be specified in the host field. For example: | ||
// | ||
// "host=my-project:us-central1:my-db-instance user=myuser password=mypass" | ||
func (p *pgDriver) Open(name string) (driver.Conn, error) { | ||
dbURI, err := p.dbURI(name) | ||
if err != nil { | ||
return nil, err | ||
} | ||
return stdlib.GetDefaultDriver().Open(dbURI) | ||
|
||
} | ||
|
||
// dbURI registers a driver using the provided DSN. If the name has already | ||
// been registered, dbURI returns the existing registration. | ||
func (p *pgDriver) dbURI(name string) (string, error) { | ||
p.mu.Lock() | ||
defer p.mu.Unlock() | ||
dbURI, ok := p.dbURIs[name] | ||
if ok { | ||
return dbURI, nil | ||
} | ||
|
||
config, err := pgx.ParseConfig(name) | ||
if err != nil { | ||
return "", err | ||
} | ||
instConnName := config.Config.Host // Extract instance connection name | ||
config.Config.Host = "localhost" // Replace it with a default value | ||
config.DialFunc = func(ctx context.Context, _, _ string) (net.Conn, error) { | ||
return p.d.Dial(ctx, instConnName) | ||
} | ||
|
||
dbURI = stdlib.RegisterConnConfig(config) | ||
p.dbURIs[name] = dbURI | ||
|
||
return dbURI, nil | ||
} |