HappenLee commented on code in PR #65355:
URL: https://github.com/apache/doris/pull/65355#discussion_r3548691443
##########
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,
+ MutableColumnPtr& column) -> Status {
+ if (_read_phase == ReadPhase::LAZY && read_meta_columns &&
+ iterator->read_requirement() == ReadRequirement::SKIP) {
+ column->insert_many_defaults(num_items);
+ return Status::OK();
+ }
+
+ bool dummy_has_null = false;
+ size_t num_read = num_items;
+ RETURN_IF_ERROR(iterator->next_batch(&num_read, column,
&dummy_has_null));
+ DCHECK(num_read == num_items);
+ return Status::OK();
+ };
+ RETURN_IF_ERROR(read_or_fill_child(_key_iterator.get(), key_ptr));
Review Comment:
It doesn't matter. This PR is final one, I will close my pull request
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