forked from ebhomengo/niki
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
|
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
|
||
|
|
//
|
||
|
|
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
|
||
|
|
//
|
||
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
||
|
|
// You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
|
|
|
||
|
|
// +build !go1.13
|
||
|
|
|
||
|
|
package mysql
|
||
|
|
|
||
|
|
import (
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// NullTime represents a time.Time that may be NULL.
|
||
|
|
// NullTime implements the Scanner interface so
|
||
|
|
// it can be used as a scan destination:
|
||
|
|
//
|
||
|
|
// var nt NullTime
|
||
|
|
// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
|
||
|
|
// ...
|
||
|
|
// if nt.Valid {
|
||
|
|
// // use nt.Time
|
||
|
|
// } else {
|
||
|
|
// // NULL value
|
||
|
|
// }
|
||
|
|
//
|
||
|
|
// This NullTime implementation is not driver-specific
|
||
|
|
type NullTime struct {
|
||
|
|
Time time.Time
|
||
|
|
Valid bool // Valid is true if Time is not NULL
|
||
|
|
}
|
||
|
|
|
||
|
|
// for internal use.
|
||
|
|
// the mysql package uses sql.NullTime if it is available.
|
||
|
|
// if not, the package uses mysql.NullTime.
|
||
|
|
type nullTime = NullTime // sql.NullTime is not available
|