spaces-X commented on code in PR #65355:
URL: https://github.com/apache/doris/pull/65355#discussion_r3548481685
##########
be/src/storage/segment/column_reader.cpp:
##########
@@ -1171,12 +1171,22 @@ Status MapFileColumnIterator::next_batch(size_t* n,
MutableColumnPtr& dst, bool*
key_ptr->insert_many_defaults(num_items);
val_ptr->insert_many_defaults(num_items);
} else {
- size_t num_read = num_items;
- bool key_has_null = false;
- bool val_has_null = false;
- RETURN_IF_ERROR(_key_iterator->next_batch(&num_read, key_ptr,
&key_has_null));
- RETURN_IF_ERROR(_val_iterator->next_batch(&num_read, val_ptr,
&val_has_null));
- DCHECK(num_read == num_items);
+ auto read_or_fill_child = [&](ColumnIterator* iterator,
Review Comment:
This PR looks like overlaps almost entirely with #65344 — both seem
to fix the same bug?
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