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[Enchancement](optimize) set result_size_hint to filter_block (#11972)

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This commit is contained in:
Pxl
2022-08-25 11:42:52 +08:00
committed by GitHub
parent b505d6cf66
commit 620d33a763
6 changed files with 52 additions and 97 deletions
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8
be/src/vec/columns/column_vector.cpp
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@ -297,7 +297,7 @@ ColumnPtr ColumnVector<T>::filter(const IColumn::Filter& filt, ssize_t result_si
auto res = this->create();
Container& res_data = res->get_data();
if (result_size_hint) res_data.reserve(result_size_hint > 0 ? result_size_hint : size);
res_data.reserve(result_size_hint > 0 ? result_size_hint : size);
const UInt8* filt_pos = filt.data();
const UInt8* filt_end = filt_pos + size;
@ -319,7 +319,7 @@ ColumnPtr ColumnVector<T>::filter(const IColumn::Filter& filt, ssize_t result_si
} else {
while (mask) {
const size_t idx = __builtin_ctzll(mask);
res_data.push_back(data_pos[idx]);
res_data.push_back_without_reserve(data_pos[idx]);
mask = mask & (mask - 1);
}
}
@ -329,7 +329,9 @@ ColumnPtr ColumnVector<T>::filter(const IColumn::Filter& filt, ssize_t result_si
}
while (filt_pos < filt_end) {
if (*filt_pos) res_data.push_back(*data_pos);
if (*filt_pos) {
res_data.push_back_without_reserve(*data_pos);
}
++filt_pos;
++data_pos;