package grimoire import ( "log" "time" ) // Logger defines function signature for custom logger. type Logger func(string, time.Duration, error) // DefaultLogger log query suing standard log library. func DefaultLogger(query string, duration time.Duration, err error) { if err != nil { log.Print("[", duration, "] ", err, " - ", query) } else { log.Print("[", duration, "] OK - ", query) } } // Log using multiple logger. // This function intended to be used within adapter. func Log(logger []Logger, statement string, duration time.Duration, err error) { for _, l := range logger { l(statement, duration, err) } }