forked from go-pg/pg
/
time.go
48 lines (43 loc) · 1.19 KB
/
time.go
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package types
import (
"time"
"github.com/go-pg/pg/internal"
)
const (
dateFormat = "2006-01-02"
timeFormat = "15:04:05.999999999"
timestampFormat = "2006-01-02 15:04:05.999999999"
timestamptzFormat = "2006-01-02 15:04:05.999999999-07:00:00"
timestamptzFormat2 = "2006-01-02 15:04:05.999999999-07:00"
timestamptzFormat3 = "2006-01-02 15:04:05.999999999-07"
)
func ParseTime(b []byte) (time.Time, error) {
s := internal.BytesToString(b)
switch l := len(b); {
case l <= len(dateFormat):
return time.ParseInLocation(dateFormat, s, time.UTC)
case l <= len(timeFormat):
return time.ParseInLocation(timeFormat, s, time.UTC)
default:
if c := b[len(b)-9]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat, s)
}
if c := b[len(b)-6]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat2, s)
}
if c := b[len(b)-3]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat3, s)
}
return time.ParseInLocation(timestampFormat, s, time.UTC)
}
}
func AppendTime(b []byte, tm time.Time, quote int) []byte {
if quote == 1 {
b = append(b, '\'')
}
b = tm.UTC().AppendFormat(b, timestamptzFormat)
if quote == 1 {
b = append(b, '\'')
}
return b
}