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[Bug](function) fix wrong output_char_size on hll_to_base64 (#36572)

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## Proposed changes
pick from #36529
This commit is contained in:
Pxl
2024-06-24 13:19:28 +08:00
committed by GitHub
parent aeec08639d
commit c6205783fa
1 changed files with 2 additions and 2 deletions
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4
be/src/vec/functions/function_hll.cpp
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@ -278,11 +278,11 @@ struct HllToBase64 {
for (size_t i = 0; i < size; ++i) {
auto& hll_val = const_cast<HyperLogLog&>(data[i]);
auto ser_size = hll_val.max_serialized_size();
output_char_size += ser_size * (int)(4.0 * ceil((double)ser_size / 3.0));
output_char_size += (int)(4.0 * ceil((double)ser_size / 3.0));
}
ColumnString::check_chars_length(output_char_size, size);
chars.resize(output_char_size);
auto chars_data = chars.data();
auto* chars_data = chars.data();
size_t cur_ser_size = 0;
size_t last_ser_size = 0;