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new 905c80433b1 [fix](expr) fix mixed const probe constant handling
regressions (#63810)
905c80433b1 is described below
commit 905c80433b1714027bc853b870de77eb415732e7
Author: Mryange <[email protected]>
AuthorDate: Mon Jun 1 12:18:26 2026 +0800
[fix](expr) fix mixed const probe constant handling regressions (#63810)
The mixed const execution probe exposed several constant-handling
problems in BE vectorized functions.
- ColumnConst::clone_resized reused the original nested column, so
cloned const columns could still alias the source data.
- quantile_percent requires its percentile argument to stay constant,
but the all-const probe path unpacked it and triggered a false
constant-check failure.
- regexp_count accessed string columns directly and did not handle mixed
const inputs correctly.
- uniform still went through the default constant implementation even
though its result depends on per-row seed values.
This change fixes those behaviors and adds focused unit tests for the
uncovered cases.
---
be/src/core/column/column_const.h | 3 +-
be/src/exprs/function/function_quantile_state.cpp | 2 +
be/src/exprs/function/function_regexp.cpp | 20 +++++---
be/src/exprs/function/uniform.cpp | 2 +
be/test/core/column/column_const_test.cpp | 13 +++++
be/test/exprs/function/function_math_test.cpp | 58 ++++++++++++++++++++++
.../function/function_quantile_state_test.cpp | 17 +++++++
be/test/exprs/function/function_string_test.cpp | 16 ++++++
8 files changed, 122 insertions(+), 9 deletions(-)
diff --git a/be/src/core/column/column_const.h
b/be/src/core/column/column_const.h
index cc8b94ff234..b213aeda0ff 100644
--- a/be/src/core/column/column_const.h
+++ b/be/src/core/column/column_const.h
@@ -124,7 +124,8 @@ public:
void resize(size_t new_size) override { s = new_size; }
MutableColumnPtr clone_resized(size_t new_size) const override {
- return ColumnConst::create(data, new_size, false, false);
+ auto cloned_data = data->clone_resized(data->size());
+ return ColumnConst::create(std::move(cloned_data), new_size, false,
false);
}
size_t size() const override { return s; }
diff --git a/be/src/exprs/function/function_quantile_state.cpp
b/be/src/exprs/function/function_quantile_state.cpp
index 4019e84e65e..b4a0f59de3c 100644
--- a/be/src/exprs/function/function_quantile_state.cpp
+++ b/be/src/exprs/function/function_quantile_state.cpp
@@ -161,6 +161,8 @@ public:
bool use_default_implementation_for_nulls() const override { return false;
}
+ ColumnNumbers get_arguments_that_are_always_constant() const override {
return {1}; }
+
Status execute_impl(FunctionContext* context, Block& block, const
ColumnNumbers& arguments,
uint32_t result, size_t input_rows_count) const
override {
auto res_data_column = ColumnFloat64::create();
diff --git a/be/src/exprs/function/function_regexp.cpp
b/be/src/exprs/function/function_regexp.cpp
index 65d8dd25447..0476336f7ca 100644
--- a/be/src/exprs/function/function_regexp.cpp
+++ b/be/src/exprs/function/function_regexp.cpp
@@ -34,6 +34,7 @@
#include "core/block/column_with_type_and_name.h"
#include "core/column/column.h"
#include "core/column/column_const.h"
+#include "core/column/column_execute_util.h"
#include "core/column/column_nullable.h"
#include "core/column/column_string.h"
#include "core/column/column_vector.h"
@@ -188,23 +189,26 @@ struct RegexpExtractEngine {
};
struct RegexpCountImpl {
+ using StringColumnView = ColumnView<TYPE_STRING>;
+
static void execute_impl(FunctionContext* context, ColumnPtr
argument_columns[],
size_t input_rows_count, ColumnInt32::Container&
result_data) {
- const auto* str_col =
check_and_get_column<ColumnString>(argument_columns[0].get());
- const auto* pattern_col =
check_and_get_column<ColumnString>(argument_columns[1].get());
- for (int i = 0; i < input_rows_count; ++i) {
+ auto str_col = StringColumnView::create(argument_columns[0]);
+ auto pattern_col = StringColumnView::create(argument_columns[1]);
+ for (size_t i = 0; i < input_rows_count; ++i) {
+ DCHECK(!str_col.is_null_at(i));
+ DCHECK(!pattern_col.is_null_at(i));
result_data[i] = _execute_inner_loop(context, str_col,
pattern_col, i);
}
}
- static int _execute_inner_loop(FunctionContext* context, const
ColumnString* str_col,
- const ColumnString* pattern_col, const
size_t index_now) {
+ static int _execute_inner_loop(FunctionContext* context, const
StringColumnView& str_col,
+ const StringColumnView& pattern_col, const
size_t index_now) {
re2::RE2* re = reinterpret_cast<re2::RE2*>(
context->get_function_state(FunctionContext::THREAD_LOCAL));
std::unique_ptr<re2::RE2> scoped_re;
if (re == nullptr) {
std::string error_str;
- DCHECK(pattern_col);
- const auto& pattern =
pattern_col->get_data_at(index_check_const(index_now, false));
+ const auto pattern = pattern_col.value_at(index_now);
bool st = StringFunctions::compile_regex(pattern, &error_str,
StringRef(), StringRef(),
scoped_re);
if (!st) {
@@ -215,7 +219,7 @@ struct RegexpCountImpl {
re = scoped_re.get();
}
- const auto& str = str_col->get_data_at(index_now);
+ const auto str = str_col.value_at(index_now);
int count = 0;
size_t pos = 0;
while (pos < str.size) {
diff --git a/be/src/exprs/function/uniform.cpp
b/be/src/exprs/function/uniform.cpp
index 713d0f5c3ac..9f1dd3ad073 100644
--- a/be/src/exprs/function/uniform.cpp
+++ b/be/src/exprs/function/uniform.cpp
@@ -147,6 +147,8 @@ public:
static FunctionPtr create() { return
std::make_shared<FunctionUniform<Impl>>(); }
String get_name() const override { return name; }
+ bool use_default_implementation_for_constants() const override { return
false; }
+
size_t get_number_of_arguments() const override {
return get_variadic_argument_types_impl().size();
}
diff --git a/be/test/core/column/column_const_test.cpp
b/be/test/core/column/column_const_test.cpp
index f6f81ec3aab..e9f57df213b 100644
--- a/be/test/core/column/column_const_test.cpp
+++ b/be/test/core/column/column_const_test.cpp
@@ -41,6 +41,19 @@ TEST(ColumnConstTest, TestCreate) {
EXPECT_TRUE(!is_column_const(column_const2->get_data_column()));
}
+TEST(ColumnConstTest, clone_resized_clones_nested_data) {
+ auto column_data = ColumnHelper::create_column<DataTypeInt64>({7});
+ auto column_const = ColumnConst::create(column_data, 3);
+
+ auto cloned = column_const->clone_resized(5);
+ const auto& cloned_const = assert_cast<const ColumnConst&>(*cloned);
+
+ EXPECT_EQ(cloned_const.size(), 5);
+ EXPECT_EQ(cloned_const.get_data_column_ptr()->size(), 1);
+ EXPECT_EQ(cloned_const.get_data_column().get_int(0), 7);
+ EXPECT_NE(column_const->get_data_column_ptr().get(),
cloned_const.get_data_column_ptr().get());
+}
+
TEST(ColumnConstTest, TestFilter) {
{
auto column_data = ColumnHelper::create_column<DataTypeInt64>({7});
diff --git a/be/test/exprs/function/function_math_test.cpp
b/be/test/exprs/function/function_math_test.cpp
index 4e51a5dc3e7..cf1b3a442ea 100644
--- a/be/test/exprs/function/function_math_test.cpp
+++ b/be/test/exprs/function/function_math_test.cpp
@@ -18,14 +18,17 @@
#include <climits>
#include <cstdint>
#include <limits>
+#include <random>
#include <string>
+#include "core/column/column_const.h"
#include "core/data_type/data_type_decimal.h"
#include "core/data_type/data_type_number.h"
#include "core/data_type/data_type_string.h"
#include "core/types.h"
#include "exprs/function/function_test_util.h"
#include "testutil/any_type.h"
+#include "testutil/column_helper.h"
namespace doris {
@@ -532,6 +535,11 @@ TEST(MathFunctionTest, hex_test) {
}
TEST(MathFunctionTest, random_test) {
+#ifndef NDEBUG
+ GTEST_SKIP() << "random(seed) exact-value assertions are release-only;
debug builds run "
+ "mock_const_execute before the real call.";
+#endif
+
std::string func_name = "random"; // random(x)
InputTypeSet input_types = {Consted {PrimitiveType::TYPE_BIGINT}};
DataSet data_set = {{{Null()}, Null()},
@@ -547,6 +555,56 @@ TEST(MathFunctionTest, random_test) {
}
}
+TEST(MathFunctionTest, uniform_mixed_const_probe_test) {
+ auto input_type = std::make_shared<DataTypeInt64>();
+ auto return_type = std::make_shared<DataTypeInt64>();
+
+ Block block;
+ auto min_data = ColumnHelper::create_column<DataTypeInt64>({1});
+ auto max_data = ColumnHelper::create_column<DataTypeInt64>({10});
+ auto seed_column = ColumnHelper::create_column<DataTypeInt64>({101, 202,
303});
+
+ block.insert({ColumnConst::create(min_data, 3), input_type, "min"});
+ block.insert({ColumnConst::create(max_data, 3), input_type, "max"});
+ block.insert({seed_column, input_type, "seed"});
+
+ FunctionBasePtr function = SimpleFunctionFactory::instance().get_function(
+ "uniform", block.get_columns_with_type_and_name(), return_type);
+ ASSERT_TRUE(function != nullptr);
+
+ block.insert({nullptr, return_type, "result"});
+
+ FunctionUtils fn_utils(return_type, {input_type, input_type, input_type},
false);
+ auto* fn_ctx = fn_utils.get_fn_ctx();
+ std::vector<std::shared_ptr<ColumnPtrWrapper>> constant_cols {
+
std::make_shared<ColumnPtrWrapper>(block.get_by_position(0).column),
+
std::make_shared<ColumnPtrWrapper>(block.get_by_position(1).column),
+ nullptr,
+ };
+ fn_ctx->set_constant_cols(constant_cols);
+
+ ASSERT_TRUE(function->open(fn_ctx, FunctionContext::FRAGMENT_LOCAL).ok());
+ ASSERT_TRUE(function->open(fn_ctx, FunctionContext::THREAD_LOCAL).ok());
+
+ auto exec_status = function->execute(fn_ctx, block, {0, 1, 2}, 3, 3);
+
+ static_cast<void>(function->close(fn_ctx, FunctionContext::THREAD_LOCAL));
+ static_cast<void>(function->close(fn_ctx,
FunctionContext::FRAGMENT_LOCAL));
+
+ ASSERT_TRUE(exec_status.ok()) << exec_status.to_string();
+
+ const auto& result_column = assert_cast<const
ColumnInt64&>(*block.get_by_position(3).column);
+ auto expected_uniform = [](int64_t seed) {
+ std::mt19937_64 generator(seed);
+ std::uniform_int_distribution<int64_t> distribution(1, 10);
+ return distribution(generator);
+ };
+
+ EXPECT_EQ(result_column.get_element(0), expected_uniform(101));
+ EXPECT_EQ(result_column.get_element(1), expected_uniform(202));
+ EXPECT_EQ(result_column.get_element(2), expected_uniform(303));
+}
+
TEST(MathFunctionTest, conv_test) {
std::string func_name = "conv";
diff --git a/be/test/exprs/function/function_quantile_state_test.cpp
b/be/test/exprs/function/function_quantile_state_test.cpp
index 1cb1ced1dae..e8f2fca7028 100644
--- a/be/test/exprs/function/function_quantile_state_test.cpp
+++ b/be/test/exprs/function/function_quantile_state_test.cpp
@@ -213,4 +213,21 @@ TEST(function_quantile_state_test,
function_quantile_state_roundtrip) {
0.01);
}
+TEST(function_quantile_state_test, function_quantile_percent_mixed_const_test)
{
+ std::string func_name = "quantile_percent";
+ InputTypeSet input_types = {PrimitiveType::TYPE_QUANTILE_STATE,
+ ConstedNotnull {PrimitiveType::TYPE_FLOAT}};
+
+ QuantileState quantile_state;
+ quantile_state.add_value(1.0);
+ quantile_state.add_value(2.0);
+ quantile_state.add_value(3.0);
+ quantile_state.add_value(4.0);
+ quantile_state.add_value(5.0);
+
+ DataSet data_set = {{{&quantile_state, 0.5F}, 3.0}};
+
+ static_cast<void>(check_function<DataTypeFloat64, false>(func_name,
input_types, data_set));
+}
+
} // namespace doris
diff --git a/be/test/exprs/function/function_string_test.cpp
b/be/test/exprs/function/function_string_test.cpp
index 53df245904c..2e1aaa839c4 100644
--- a/be/test/exprs/function/function_string_test.cpp
+++ b/be/test/exprs/function/function_string_test.cpp
@@ -4003,4 +4003,20 @@ TEST(function_string_test,
function_unicode_normalize_invalid_mode) {
EXPECT_NE(Status::OK(), st);
}
+TEST(function_string_test, function_regexp_count_mixed_const_test) {
+ std::string func_name = "regexp_count";
+
+ InputTypeSet input_types = {PrimitiveType::TYPE_VARCHAR,
PrimitiveType::TYPE_VARCHAR};
+ DataSet data_set = {
+ {{std::string("a.b:c;d"), std::string("[.:;]")}, std::int32_t(3)},
+ {{std::string("a1b2346c3d"), std::string("\\d+")},
std::int32_t(3)},
+ {{std::string("abcd"), std::string("")}, std::int32_t(0)},
+ {{std::string("book keeper"), std::string("oo|ee")},
std::int32_t(2)},
+ {{Null(), std::string("\\d+")}, Null()},
+ {{std::string("abcd"), Null()}, Null()},
+ };
+
+ check_function_all_arg_comb<DataTypeInt32, true>(func_name, input_types,
data_set);
+}
+
} // namespace doris
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