Gabriel39 commented on code in PR #23584:
URL: https://github.com/apache/doris/pull/23584#discussion_r1307557442
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be/src/vec/runtime/vsorted_run_merger.cpp:
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@@ -161,6 +163,13 @@ Status VSortedRunMerger::get_next(Block* output_block,
bool* eos) {
VectorizedUtils::build_mutable_mem_reuse_block(output_block,
_empty_block);
MutableColumns& merged_columns = m_block.mutable_columns();
+ if (num_columns != merged_columns.size()) {
Review Comment:
May this block be empty? If so, I think we should skip this empty block here
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