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new ce49f37a5ee branch-2.1: [fix](core) fix subreplace when inputting a
large number of empty strings #49241 (#49303)
ce49f37a5ee is described below
commit ce49f37a5eedaed050f581423d90b50c31d6eff3
Author: github-actions[bot]
<41898282+github-actions[bot]@users.noreply.github.com>
AuthorDate: Thu Mar 20 22:56:44 2025 +0800
branch-2.1: [fix](core) fix subreplace when inputting a large number of
empty strings #49241 (#49303)
Cherry-picked from #49241
Co-authored-by: Mryange <yanxuech...@selectdb.com>
---
be/src/vec/functions/function_string.h | 3 +-
be/test/vec/function/function_sub_replace_test.cpp | 51 ++++++++++++++++++++++
2 files changed, 53 insertions(+), 1 deletion(-)
diff --git a/be/src/vec/functions/function_string.h
b/be/src/vec/functions/function_string.h
index dbcafa78a9c..79c5823f9f9 100644
--- a/be/src/vec/functions/function_string.h
+++ b/be/src/vec/functions/function_string.h
@@ -3909,7 +3909,8 @@ struct SubReplaceImpl {
std::visit(
[&](auto origin_str_const, auto new_str_const, auto
start_const, auto len_const) {
if (simd::VStringFunctions::is_ascii(
- StringRef {data_column->get_chars().data(),
data_column->size()})) {
+ StringRef {data_column->get_chars().data(),
+ data_column->get_chars().size()})) {
vector_ascii<origin_str_const, new_str_const,
start_const, len_const>(
data_column, mask_column,
start_column->get_data(),
length_column->get_data(),
args_null_map->get_data(), result_column,
diff --git a/be/test/vec/function/function_sub_replace_test.cpp
b/be/test/vec/function/function_sub_replace_test.cpp
new file mode 100644
index 00000000000..7412dab7699
--- /dev/null
+++ b/be/test/vec/function/function_sub_replace_test.cpp
@@ -0,0 +1,51 @@
+// 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.
+
+#include <gtest/gtest.h>
+
+#include "vec/core/block.h"
+#include "vec/data_types/data_type_number.h"
+#include "vec/data_types/data_type_string.h"
+#include "vec/functions/function_string.h"
+
+namespace doris::vectorized {
+TEST(SubReplaceTest, test) {
+ const int rows = 10240;
+ auto str = ColumnString::create();
+ auto new_str = ColumnString::create();
+ auto start = ColumnInt32::create();
+ auto length = ColumnInt32::create();
+
+ for (int i = 0; i < rows; i++) {
+ str->insert_default();
+ new_str->insert_default();
+ start->insert_default();
+ length->insert_default();
+ }
+
+ Block block {
+ ColumnWithTypeAndName {std::move(str),
std::make_shared<DataTypeString>(), "str"},
+ ColumnWithTypeAndName {std::move(new_str),
std::make_shared<DataTypeString>(),
+ "new_str"},
+ ColumnWithTypeAndName {std::move(start),
std::make_shared<DataTypeInt32>(), "start"},
+ ColumnWithTypeAndName {std::move(length),
std::make_shared<DataTypeInt32>(), "length"},
+ ColumnWithTypeAndName {nullptr, std::make_shared<DataTypeInt32>(),
"res"},
+ };
+
+ EXPECT_TRUE(SubReplaceImpl::replace_execute(block, ColumnNumbers {0, 1, 2,
3}, 4, rows));
+}
+} // namespace doris::vectorized
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