cloudflared-mirror/vendor/github.com/kshvakov/clickhouse/lib/column/float64.go

36 lines
685 B
Go

package column
import (
"github.com/kshvakov/clickhouse/lib/binary"
)
type Float64 struct{ base }
func (Float64) Read(decoder *binary.Decoder) (interface{}, error) {
v, err := decoder.Float64()
if err != nil {
return float64(0), err
}
return v, nil
}
func (float *Float64) Write(encoder *binary.Encoder, v interface{}) error {
switch v := v.(type) {
case float32:
return encoder.Float64(float64(v))
case float64:
return encoder.Float64(v)
// this relies on Nullable never sending nil values through
case *float32:
return encoder.Float64(float64(*v))
case *float64:
return encoder.Float64(*v)
}
return &ErrUnexpectedType{
T: v,
Column: float,
}
}