func (d *Datum) convertToMysqlDecimal(target *FieldType) (Datum, error) {
var ret Datum
var dec mysql.Decimal
switch d.k {
case KindInt64:
dec = mysql.NewDecimalFromInt(d.GetInt64(), 0)
case KindUint64:
dec = mysql.NewDecimalFromUint(d.GetUint64(), 0)
case KindFloat32, KindFloat64:
dec = mysql.NewDecimalFromFloat(d.GetFloat64())
case KindString, KindBytes:
var err error
dec, err = mysql.ParseDecimal(d.GetString())
if err != nil {
return ret, errors.Trace(err)
}
case KindMysqlDecimal:
dec = d.GetMysqlDecimal()
case KindMysqlTime:
dec = d.GetMysqlTime().ToNumber()
case KindMysqlDuration:
dec = d.GetMysqlDuration().ToNumber()
case KindMysqlBit:
dec = mysql.NewDecimalFromFloat(d.GetMysqlBit().ToNumber())
case KindMysqlEnum:
dec = mysql.NewDecimalFromFloat(d.GetMysqlEnum().ToNumber())
case KindMysqlHex:
dec = mysql.NewDecimalFromFloat(d.GetMysqlHex().ToNumber())
case KindMysqlSet:
dec = mysql.NewDecimalFromFloat(d.GetMysqlSet().ToNumber())
default:
return invalidConv(d, target.Tp)
}
if target.Decimal != UnspecifiedLength {
dec = dec.Round(int32(target.Decimal))
}
ret.SetValue(dec)
return ret, nil
}
