func DecodeDecimal(b []byte) ([]byte, types.Datum, error) {
	var d types.Datum
	if len(b) < 3 {
		return b, d, errors.New("insufficient bytes to decode value")
	}
	precision := int(b[0])
	frac := int(b[1])
	b = b[2:]
	dec := new(types.MyDecimal)
	binSize, err := dec.FromBin(b, precision, frac)
	b = b[binSize:]
	if err != nil {
		return b, d, errors.Trace(err)
	}
	d.SetLength(precision)
	d.SetFrac(frac)
	d.SetMysqlDecimal(dec)
	return b, d, nil
}
// DecodeDecimal decodes bytes to decimal.
DecodeDecimal decodes bytes to decimal.
// DecodeDecimal decodes bytes to decimal .
func DecodeDecimal(b []byte) ([]byte, types.Datum, error) {
	var d types.Datum
	if len(b) < 3 {
		return b, d, errors.New("insufficient bytes to decode value")
	}
	precision := int(b[0])
	frac := int(b[1])
	b = b[2:]
	dec := new(types.MyDecimal)
	binSize, err := dec.FromBin(b, precision, frac)
	b = b[binSize:]
	if err != nil {
		return b, d, errors.Trace(err)
	}
	d.SetLength(precision)
	d.SetFrac(frac)
	d.SetMysqlDecimal(dec)
	return b, d, nil
}
func DecodeDecimal ( b [ ] byte ) ( [ ] byte , types . Datum , error ) { var d types . Datum if len ( b ) < 3 { return b , d , errors . New ( " " ) } precision := int ( b [ 0 ] ) frac := int ( b [ 1 ] ) b = b [ 2 : ] dec := new ( types . MyDecimal ) binSize , err := dec . FromBin ( b , precision , frac ) b = b [ binSize : ] if err != nil { return b , d , errors . Trace ( err ) } d . SetLength ( precision ) d . SetFrac ( frac ) d . SetMysqlDecimal ( dec ) return b , d , nil }
DecodeDecimal decodes bytes to decimal.
DecodeDecimal decodes bytes to decimal .