mirror of https://github.com/jackc/pgx.git
65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
// +build go1.10
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package stdlib
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import (
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"context"
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"database/sql"
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"database/sql/driver"
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"github.com/jackc/pgx"
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)
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// OptionOpenDB options for configuring the driver when opening a new db pool.
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type OptionOpenDB func(*connector)
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// OptionAfterConnect provide a callback for after connect.
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func OptionAfterConnect(ac func(*pgx.Conn) error) OptionOpenDB {
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return func(dc *connector) {
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dc.AfterConnect = ac
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}
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}
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func OpenDB(config pgx.ConnConfig, opts ...OptionOpenDB) *sql.DB {
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c := connector{
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ConnConfig: config,
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AfterConnect: func(*pgx.Conn) error { return nil }, // noop after connect by default
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driver: pgxDriver,
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}
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for _, opt := range opts {
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opt(&c)
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}
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return sql.OpenDB(c)
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}
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type connector struct {
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pgx.ConnConfig
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AfterConnect func(*pgx.Conn) error // function to call on every new connection
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driver *Driver
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}
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// Connect implement driver.Connector interface
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func (c connector) Connect(ctx context.Context) (driver.Conn, error) {
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var (
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err error
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conn *pgx.Conn
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)
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if conn, err = pgx.Connect(c.ConnConfig); err != nil {
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return nil, err
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}
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if err = c.AfterConnect(conn); err != nil {
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return nil, err
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}
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return &Conn{conn: conn, driver: c.driver, connConfig: c.ConnConfig}, nil
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}
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// Driver implement driver.Connector interface
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func (c connector) Driver() driver.Driver {
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return c.driver
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}
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