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new ce71a131c0b [fix](round) fix round decimal128 overflow (#37733)
(#37965)
ce71a131c0b is described below
commit ce71a131c0bd972bf0c80680fe8596453c150598
Author: camby <camby...@tencent.com>
AuthorDate: Fri Jul 19 22:01:12 2024 +0800
[fix](round) fix round decimal128 overflow (#37733) (#37965)
---
be/src/vec/functions/round.h | 21 ++++++++++--------
.../math_functions/test_round_overflow.out | 10 +++++++++
.../math_functions/test_round_overflow.groovy | 25 ++++++++++++++++++++++
3 files changed, 47 insertions(+), 9 deletions(-)
diff --git a/be/src/vec/functions/round.h b/be/src/vec/functions/round.h
index 30c2b71e841..824fad08147 100644
--- a/be/src/vec/functions/round.h
+++ b/be/src/vec/functions/round.h
@@ -22,6 +22,7 @@
#include "vec/columns/column_const.h"
#include "vec/columns/columns_number.h"
+#include "vec/exec/format/format_common.h"
#include "vec/functions/function.h"
#if defined(__SSE4_1__) || defined(__aarch64__)
#include "util/sse_util.hpp"
@@ -29,6 +30,7 @@
#include <fenv.h>
#endif
#include <algorithm>
+#include <type_traits>
#include "vec/columns/column.h"
#include "vec/columns/column_decimal.h"
@@ -64,7 +66,7 @@ enum class TieBreakingMode {
};
template <typename T, RoundingMode rounding_mode, ScaleMode scale_mode,
- TieBreakingMode tie_breaking_mode>
+ TieBreakingMode tie_breaking_mode, typename U>
struct IntegerRoundingComputation {
static const size_t data_count = 1;
@@ -116,7 +118,7 @@ struct IntegerRoundingComputation {
__builtin_unreachable();
}
- static ALWAYS_INLINE T compute(T x, T scale, size_t target_scale) {
+ static ALWAYS_INLINE T compute(T x, T scale, T target_scale) {
switch (scale_mode) {
case ScaleMode::Zero:
case ScaleMode::Positive:
@@ -128,10 +130,10 @@ struct IntegerRoundingComputation {
__builtin_unreachable();
}
- static ALWAYS_INLINE void compute(const T* __restrict in, size_t scale, T*
__restrict out,
- size_t target_scale) {
+ static ALWAYS_INLINE void compute(const T* __restrict in, U scale, T*
__restrict out,
+ U target_scale) {
if constexpr (sizeof(T) <= sizeof(scale) && scale_mode ==
ScaleMode::Negative) {
- if (scale > size_t(std::numeric_limits<T>::max())) {
+ if (scale >= std::numeric_limits<T>::max()) {
*out = 0;
return;
}
@@ -145,7 +147,7 @@ class DecimalRoundingImpl {
private:
using NativeType = typename T::NativeType;
using Op = IntegerRoundingComputation<NativeType, rounding_mode,
ScaleMode::Negative,
- tie_breaking_mode>;
+ tie_breaking_mode, NativeType>;
using Container = typename ColumnDecimal<T>::Container;
public:
@@ -153,15 +155,16 @@ public:
Int16 out_scale) {
Int16 scale_arg = in_scale - out_scale;
if (scale_arg > 0) {
- size_t scale = int_exp10(scale_arg);
+ auto scale =
DecimalScaleParams::get_scale_factor<NativeType>(scale_arg);
const NativeType* __restrict p_in = reinterpret_cast<const
NativeType*>(in.data());
const NativeType* end_in = reinterpret_cast<const
NativeType*>(in.data()) + in.size();
NativeType* __restrict p_out =
reinterpret_cast<NativeType*>(out.data());
if (out_scale < 0) {
+ auto negative_scale =
DecimalScaleParams::get_scale_factor<NativeType>(-out_scale);
while (p_in < end_in) {
- Op::compute(p_in, scale, p_out, int_exp10(-out_scale));
+ Op::compute(p_in, scale, p_out, negative_scale);
++p_in;
++p_out;
}
@@ -320,7 +323,7 @@ template <typename T, RoundingMode rounding_mode, ScaleMode
scale_mode,
TieBreakingMode tie_breaking_mode>
struct IntegerRoundingImpl {
private:
- using Op = IntegerRoundingComputation<T, rounding_mode, scale_mode,
tie_breaking_mode>;
+ using Op = IntegerRoundingComputation<T, rounding_mode, scale_mode,
tie_breaking_mode, size_t>;
using Container = typename ColumnVector<T>::Container;
public:
diff --git
a/regression-test/data/nereids_p0/sql_functions/math_functions/test_round_overflow.out
b/regression-test/data/nereids_p0/sql_functions/math_functions/test_round_overflow.out
new file mode 100644
index 00000000000..a18cc094872
--- /dev/null
+++
b/regression-test/data/nereids_p0/sql_functions/math_functions/test_round_overflow.out
@@ -0,0 +1,10 @@
+-- This file is automatically generated. You should know what you did if you
want to edit this
+-- !select1 --
+186
+
+-- !select2 --
+0
+
+-- !select3 --
+20000000000000000000000
+
diff --git
a/regression-test/suites/nereids_p0/sql_functions/math_functions/test_round_overflow.groovy
b/regression-test/suites/nereids_p0/sql_functions/math_functions/test_round_overflow.groovy
new file mode 100644
index 00000000000..12311537c27
--- /dev/null
+++
b/regression-test/suites/nereids_p0/sql_functions/math_functions/test_round_overflow.groovy
@@ -0,0 +1,25 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+suite("test_round_overflow") {
+ sql "SET enable_nereids_planner=true"
+ sql "SET enable_fallback_to_original_planner=false"
+
+ qt_select1 "select
round(coalesce(186,-33280029.8473323000000000000000000));"
+ qt_select2 "select
round(coalesce(186,-33280029.8473323000000000000000000), -20);"
+ qt_select3 "select
round(coalesce(18618500001234567890123.0,-33280029.847332300000000),-22);"
+}
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