hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

to issue<50813268>:fix core when using set funciton to operate array type

Browse Source
This commit is contained in:
hanr881
2023-07-12 07:12:36 +00:00
committed by ob-robot
parent 1297b6d169
commit 7af90145c2
1 changed files with 12 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/sql/engine/expr/ob_expr_multiset.cpp
View File

@ -244,9 +244,6 @@ int ObExprMultiSet::calc_ms_one_distinct(common::ObIAllocator *coll_allocator,
}
CK (res_cnt > 0);
if (OB_SUCC(ret)) {
// 计算结果大于100，且有效数据是超过50%，拷贝有效数据到新的内存，释放老内存
// 这两个数字是拍脑袋想出来的，主要目的是希望节省内存。
if ((res_cnt < count / 2) && (count > 100)) {
data_arr = static_cast<ObObj *>(coll_allocator->alloc(res_cnt * sizeof(ObObj)));
if (OB_ISNULL(data_arr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
@ -264,10 +261,6 @@ int ObExprMultiSet::calc_ms_one_distinct(common::ObIAllocator *coll_allocator,
}
}
elem_count = res_cnt;
} else {
data_arr = objs;
elem_count = res_cnt;
}
}
}
return ret;