dex/vendor/github.com/go-gorp/gorp/nulltypes.go
2016-03-09 13:04:05 -08:00

58 lines
1.3 KiB
Go

// Copyright 2012 James Cooper. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// Package gorp provides a simple way to marshal Go structs to and from
// SQL databases. It uses the database/sql package, and should work with any
// compliant database/sql driver.
//
// Source code and project home:
// https://github.com/go-gorp/gorp
//
package gorp
import (
"database/sql/driver"
"time"
)
// A nullable Time value
type NullTime struct {
Time time.Time
Valid bool // Valid is true if Time is not NULL
}
// Scan implements the Scanner interface.
func (nt *NullTime) Scan(value interface{}) error {
switch t := value.(type) {
case time.Time:
nt.Time, nt.Valid = t, true
case []byte:
nt.Valid = false
for _, dtfmt := range []string{
"2006-01-02 15:04:05.999999999",
"2006-01-02T15:04:05.999999999",
"2006-01-02 15:04:05",
"2006-01-02T15:04:05",
"2006-01-02 15:04",
"2006-01-02T15:04",
"2006-01-02",
"2006-01-02 15:04:05-07:00",
} {
var err error
if nt.Time, err = time.Parse(dtfmt, string(t)); err == nil {
nt.Valid = true
break
}
}
}
return nil
}
// Value implements the driver Valuer interface.
func (nt NullTime) Value() (driver.Value, error) {
if !nt.Valid {
return nil, nil
}
return nt.Time, nil
}