84 lines
1.5 KiB
Go
84 lines
1.5 KiB
Go
|
package column
|
||
|
|
|
||
|
|
import (
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/kshvakov/clickhouse/lib/binary"
|
||
|
|
)
|
||
|
|
|
||
|
|
type DateTime struct {
|
||
|
|
base
|
||
|
|
Timezone *time.Location
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dt *DateTime) Read(decoder *binary.Decoder) (interface{}, error) {
|
||
|
|
sec, err := decoder.Int32()
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
return time.Unix(int64(sec), 0).In(dt.Timezone), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dt *DateTime) Write(encoder *binary.Encoder, v interface{}) error {
|
||
|
|
var timestamp int64
|
||
|
|
switch value := v.(type) {
|
||
|
|
case time.Time:
|
||
|
|
if !value.IsZero() {
|
||
|
|
timestamp = value.Unix()
|
||
|
|
}
|
||
|
|
case int16:
|
||
|
|
timestamp = int64(value)
|
||
|
|
case int32:
|
||
|
|
timestamp = int64(value)
|
||
|
|
case int64:
|
||
|
|
timestamp = value
|
||
|
|
case string:
|
||
|
|
var err error
|
||
|
|
timestamp, err = dt.parse(value)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
case *time.Time:
|
||
|
|
if value != nil && !(*value).IsZero() {
|
||
|
|
timestamp = (*value).Unix()
|
||
|
|
}
|
||
|
|
case *int16:
|
||
|
|
timestamp = int64(*value)
|
||
|
|
case *int32:
|
||
|
|
timestamp = int64(*value)
|
||
|
|
case *int64:
|
||
|
|
timestamp = *value
|
||
|
|
case *string:
|
||
|
|
var err error
|
||
|
|
timestamp, err = dt.parse(*value)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
default:
|
||
|
|
return &ErrUnexpectedType{
|
||
|
|
T: v,
|
||
|
|
Column: dt,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return encoder.Int32(int32(timestamp))
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dt *DateTime) parse(value string) (int64, error) {
|
||
|
|
tv, err := time.Parse("2006-01-02 15:04:05", value)
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
return time.Date(
|
||
|
|
time.Time(tv).Year(),
|
||
|
|
time.Time(tv).Month(),
|
||
|
|
time.Time(tv).Day(),
|
||
|
|
time.Time(tv).Hour(),
|
||
|
|
time.Time(tv).Minute(),
|
||
|
|
time.Time(tv).Second(),
|
||
|
|
0, time.UTC,
|
||
|
|
).Unix(), nil
|
||
|
|
}
|