34 lines
603 B
Go
34 lines
603 B
Go
|
package column
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/kshvakov/clickhouse/lib/binary"
|
||
|
|
)
|
||
|
|
|
||
|
|
type String struct{ base }
|
||
|
|
|
||
|
|
func (String) Read(decoder *binary.Decoder) (interface{}, error) {
|
||
|
|
v, err := decoder.String()
|
||
|
|
if err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
return v, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (str *String) Write(encoder *binary.Encoder, v interface{}) error {
|
||
|
|
switch v := v.(type) {
|
||
|
|
case string:
|
||
|
|
return encoder.String(v)
|
||
|
|
case []byte:
|
||
|
|
return encoder.RawString(v)
|
||
|
|
|
||
|
|
// this relies on Nullable never sending nil values through
|
||
|
|
case *string:
|
||
|
|
return encoder.String(*v)
|
||
|
|
}
|
||
|
|
|
||
|
|
return &ErrUnexpectedType{
|
||
|
|
T: v,
|
||
|
|
Column: str,
|
||
|
|
}
|
||
|
|
}
|