niki/vendor/github.com/go-sql-driver/mysql/nulltime.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/.

package mysql

import (
	"database/sql/driver"
	"fmt"
	"time"
)

// Scan implements the Scanner interface.

// The value type must be time.Time or string / []byte (formatted time-string),

// otherwise Scan fails.

func (nt *NullTime) Scan(value interface{}) (err error) {

	if value == nil {

		nt.Time, nt.Valid = time.Time{}, false

		return

	}

	switch v := value.(type) {

	case time.Time:

		nt.Time, nt.Valid = v, true

		return

	case []byte:

		nt.Time, err = parseDateTime(v, time.UTC)

		nt.Valid = (err == nil)

		return

	case string:

		nt.Time, err = parseDateTime([]byte(v), time.UTC)

		nt.Valid = (err == nil)

		return

	}

	nt.Valid = false

	return fmt.Errorf("Can't convert %T to time.Time", value)

}

// Value implements the driver Valuer interface.

func (nt NullTime) Value() (driver.Value, error) {

	if !nt.Valid {

		return nil, nil

	}

	return nt.Time, nil

}