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time.go
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time.go
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package pgutil
import "time"
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"
timestamptzFormat2 = "2006-01-02 15:04:05.999999999-07"
timestamptzFormat3 = "2006-01-02 15:04:05.999999999-07:00:00"
)
func ParseTime(b []byte) (time.Time, error) {
switch l := len(b); {
case l <= len(dateFormat):
return time.Parse(dateFormat, string(b))
case l <= len(timeFormat):
return time.Parse(timeFormat, string(b))
default:
if c := b[len(b)-6]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat, string(b))
}
if c := b[len(b)-3]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat2, string(b))
}
if c := b[len(b)-9]; c == '+' || c == '-' {
return time.Parse(timestamptzFormat3, string(b))
}
return time.ParseInLocation(timestampFormat, string(b), time.Local)
}
}
func AppendTime(dst []byte, tm time.Time) []byte {
return append(dst, tm.Local().Format(timestamptzFormat)...)
}