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consider constant

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This commit is contained in:
kevinyhzou 2023-12-14 22:54:43 +08:00
parent ca49bc0670
commit 380d9c996b
1 changed files with 5 additions and 5 deletions
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10
src/Functions/multiIf.cpp
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@ -386,17 +386,17 @@ private:
}
template<typename S>
static void calculateWhetherUseMemoryCopy(PaddedPODArray<S> & inserts, size_t instructions_size, std::optional<int> & instruction_use_memory_copy,
static void calculateWhetherUseMemoryCopy(PaddedPODArray<S> & inserts, std::vector<Instruction> & instructions, std::optional<int> & instruction_use_memory_copy,
double threshold_use_memcpy)
{
if (!instruction_use_memory_copy.has_value())
{
std::vector<UInt64> instruction_insert_sizes(instructions_size);
std::vector<UInt64> instruction_insert_sizes(instructions.size());
for (size_t i = 0; i < inserts.size(); ++i)
instruction_insert_sizes[inserts[i]] += 1;
for (size_t i = 0; i < instruction_insert_sizes.size(); ++i)
{
if (instruction_insert_sizes[i] * 1.0 / inserts.size() >= threshold_use_memcpy)
if (!instructions[i].source_is_constant && instruction_insert_sizes[i] * 1.0 / inserts.size() >= threshold_use_memcpy)
instruction_use_memory_copy.emplace(static_cast<int>(i));
}
}
@ -413,7 +413,7 @@ private:
PaddedPODArray<UInt8> & null_map_data = assert_cast<ColumnUInt8 &>(*null_map).getData();
std::vector<const T*> data_cols(instructions.size());
std::vector<const UInt8 *> null_map_cols(instructions.size());
calculateWhetherUseMemoryCopy(inserts, instructions.size(), instruction_use_memory_copy, threshold_use_memcpy);
calculateWhetherUseMemoryCopy(inserts, instructions, instruction_use_memory_copy, threshold_use_memcpy);
for (size_t i = 0; i < instructions.size(); ++i)
{
if (instructions[i].source->isNullable())
@ -471,7 +471,7 @@ private:
calculateInserts(instructions, rows, inserts);
PaddedPODArray<T> & res_data = assert_cast<ColumnVector<T> &>(*res).getData();
calculateWhetherUseMemoryCopy(inserts, instructions.size(), instruction_use_memory_copy, threshold_use_memcpy);
calculateWhetherUseMemoryCopy(inserts, instructions, instruction_use_memory_copy, threshold_use_memcpy);
if (!instruction_use_memory_copy.has_value())
{
for (size_t row_i = 0; row_i < rows; ++row_i)