dataroaring commented on code in PR #19099:
URL: https://github.com/apache/doris/pull/19099#discussion_r1184600386
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be/src/olap/memtable.cpp:
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@@ -286,32 +292,90 @@ void MemTable::_collect_vskiplist_results() {
_output_mutable_block.add_rows(&in_block, row_pos_vec.data(),
row_pos_vec.data() + in_block.rows());
} else {
- size_t idx = 0;
- for (it.SeekToFirst(); it.Valid(); it.Next()) {
+ size_t idx = 0, temp_idx = 0;
+ vectorized::MutableBlock mutable_block =
+ vectorized::MutableBlock::build_mutable_block(&in_block);
+ _vec_row_comparator->set_block(&mutable_block);
+ auto new_row_it = std::next(_row_in_blocks.begin(), _last_sorted_pos);
+ // sort new rows
+ std::sort(new_row_it, _row_in_blocks.end(),
+ [this](const RowInBlock* l, const RowInBlock* r) -> bool {
+ auto value = (*(this->_vec_row_comparator))(l, r);
+ if (value == 0) {
+ return l->_row_pos > r->_row_pos;
Review Comment:
add a stats here, e.g. same_keys_num++;
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