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The following commit(s) were added to refs/heads/master by this push:
new c9884e6d943 [fix](hash join) fix numeric overflow when calculating
hash table bucket size (#37193)
c9884e6d943 is described below
commit c9884e6d9431c3499bcc58cd2c1599ceabb0e753
Author: TengJianPing <18241664+jackte...@users.noreply.github.com>
AuthorDate: Wed Jul 3 17:04:16 2024 +0800
[fix](hash join) fix numeric overflow when calculating hash table bucket
size (#37193)
---
be/src/vec/common/hash_table/join_hash_table.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/be/src/vec/common/hash_table/join_hash_table.h
b/be/src/vec/common/hash_table/join_hash_table.h
index a869ad419ad..99ce2d13b48 100644
--- a/be/src/vec/common/hash_table/join_hash_table.h
+++ b/be/src/vec/common/hash_table/join_hash_table.h
@@ -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 {
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