diff options
Diffstat (limited to 'src/database/sql/driver')
| -rw-r--r-- | src/database/sql/driver/driver.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/database/sql/driver/driver.go b/src/database/sql/driver/driver.go index bc6aa3b26e..e2ee7a9b28 100644 --- a/src/database/sql/driver/driver.go +++ b/src/database/sql/driver/driver.go @@ -69,6 +69,17 @@ var ErrSkip = errors.New("driver: skip fast-path; continue as if unimplemented") // you shouldn't return ErrBadConn. var ErrBadConn = errors.New("driver: bad connection") +// Pinger is an optional interface that may be implemented by a Conn. +// +// If a Conn does not implement Pinger, the sql package's DB.Ping and +// DB.PingContext will check if there is at least one Conn available. +// +// If Conn.Ping returns ErrBadConn, DB.Ping and DB.PingContext will remove +// the Conn from pool. +type Pinger interface { + Ping(ctx context.Context) error +} + // Execer is an optional interface that may be implemented by a Conn. // // If a Conn does not implement Execer, the sql package's DB.Exec will |