// See: http://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_round
func builtinRound(args []types.Datum, _ context.Context) (d types.Datum, err error) {
x, err := args[0].ToFloat64()
if err != nil {
return d, errors.Trace(err)
}
dec := 0
if len(args) == 2 {
y, err1 := args[1].ToInt64()
if err1 != nil {
return d, errors.Trace(err1)
}
dec = int(y)
}
d.SetFloat64(types.Round(x, dec))
return d, nil
}
// See http://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_round
func builtinRound(args []types.Datum, ctx context.Context) (d types.Datum, err error) {
sc := ctx.GetSessionVars().StmtCtx
x, err := args[0].ToFloat64(sc)
if err != nil {
return d, errors.Trace(err)
}
dec := 0
if len(args) == 2 {
y, err1 := args[1].ToInt64(sc)
if err1 != nil {
return d, errors.Trace(err1)
}
dec = int(y)
}
d.SetFloat64(types.Round(x, dec))
return d, nil
}