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Fix the core caused by using invalid memory

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lf0 2021-10-21 16:24:43 +08:00 committed by LINxiansheng
parent 52b7d789ac
commit ed0ed1a0a8
1 changed files with 3 additions and 3 deletions
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6
src/sql/plan_cache/ob_sql_parameterization.cpp
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@ -1265,14 +1265,14 @@ int ObSqlParameterization::get_select_item_param_info(
SQL_PC_LOG(
WARN, "invalid null children", K(ret), K(stack_frames.at(frame_idx).cur_node_->children_), K(frame_idx));
} else {
TraverseStackFrame& frame = stack_frames.at(frame_idx);
TraverseStackFrame frame = stack_frames.at(frame_idx);
for (int64_t i = frame.next_child_idx_; OB_SUCC(ret) && i < frame.cur_node_->num_child_; i++) {
if (OB_ISNULL(frame.cur_node_->children_[i])) {
frame.next_child_idx_ = i + 1;
stack_frames.at(frame_idx).next_child_idx_ = i + 1;
} else if (OB_FAIL(stack_frames.push_back(TraverseStackFrame{frame.cur_node_->children_[i], 0}))) {
LOG_WARN("failed to push back eleemnt", K(ret));
} else {
frame.next_child_idx_ = i + 1;
stack_frames.at(frame_idx).next_child_idx_ = i + 1;
LOG_DEBUG("after pushing frame", K(stack_frames));
break;
}