HappenLee commented on code in PR #12316:
URL: https://github.com/apache/doris/pull/12316#discussion_r964528447
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be/src/vec/olap/vgeneric_iterators.cpp:
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@@ -239,7 +254,7 @@ class VMergeIteratorContext {
void reset_cur_batch() { _cur_batch_num = 0; }
bool is_cur_block_finished() {
- if (_index_in_block == _block.rows() - 1) {
+ if (_index_in_block == _block->rows() - 1) {
Review Comment:
return `_index_in_block == _block->rows() - 1`
##########
be/src/vec/olap/vgeneric_iterators.cpp:
##########
@@ -298,8 +314,23 @@ Status VMergeIteratorContext::advance() {
Status VMergeIteratorContext::_load_next_block() {
do {
- block_reset();
- Status st = _iter->next_batch(&_block);
+ if (_block != nullptr) {
+ _block_list.push_back(_block);
+ _block = nullptr;
+ }
+ for (auto it = _block_list.begin(); it != _block_list.end(); it++) {
+ if (it->use_count() <= 1) {
Review Comment:
only == 1, do not lower
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