cloudflared-mirror/vendor/github.com/kshvakov/clickhouse/lib/column/float32.go

36 lines
685 B
Go

package column
import (
"github.com/kshvakov/clickhouse/lib/binary"
)
type Float32 struct{ base }
func (Float32) Read(decoder *binary.Decoder) (interface{}, error) {
v, err := decoder.Float32()
if err != nil {
return float32(0), err
}
return v, nil
}
func (float *Float32) Write(encoder *binary.Encoder, v interface{}) error {
switch v := v.(type) {
case float32:
return encoder.Float32(v)
case float64:
return encoder.Float32(float32(v))
// this relies on Nullable never sending nil values through
case *float32:
return encoder.Float32(*v)
case *float64:
return encoder.Float32(float32(*v))
}
return &ErrUnexpectedType{
T: v,
Column: float,
}
}