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[fix](hash join) fix numeric overflow when calculating hash table bucket size #37193 (#37213)

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## Proposed changes

Bp #37193
This commit is contained in:
TengJianPing
2024-07-04 11:12:52 +08:00
committed by GitHub
parent 4532ba990a
commit fb344b66ca
1 changed files with 4 additions and 1 deletions
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5
be/src/vec/common/hash_table/join_hash_table.h
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@ -19,6 +19,8 @@
#include <gen_cpp/PlanNodes_types.h>
#include <limits>
#include "vec/columns/column_filter_helper.h"
#include "vec/common/hash_table/hash.h"
#include "vec/common/hash_table/hash_table.h"
@ -35,7 +37,8 @@ public:
static uint32_t calc_bucket_size(size_t num_elem) {
size_t expect_bucket_size = num_elem + (num_elem - 1) / 7;
return phmap::priv::NormalizeCapacity(expect_bucket_size) + 1;
return std::min(phmap::priv::NormalizeCapacity(expect_bucket_size) + 1,
static_cast<size_t>(std::numeric_limits<uint32_t>::max()));
}
size_t get_byte_size() const {