eldenmoon commented on code in PR #26749: URL: https://github.com/apache/doris/pull/26749#discussion_r1393608240
########## be/src/olap/rowset/segment_v2/column_reader.cpp: ########## @@ -1462,5 +1481,73 @@ void DefaultValueColumnIterator::_insert_many_default(vectorized::MutableColumnP } } +Status VariantRootColumnIterator::next_batch(size_t* n, vectorized::MutableColumnPtr& dst, + bool* has_null) { + size_t size = dst->size(); + auto& obj = + dst->is_nullable() + ? assert_cast<vectorized::ColumnObject&>( + assert_cast<vectorized::ColumnNullable&>(*dst).get_nested_column()) + : assert_cast<vectorized::ColumnObject&>(*dst); + if (obj.is_null_root()) { + obj.create_root(); + } + auto root_column = obj.get_root(); + RETURN_IF_ERROR(_inner_iter->next_batch(n, root_column, has_null)); + obj.incr_num_rows(*n); + for (auto& entry : obj.get_subcolumns()) { + if (entry->data.size() != size + *n) { + entry->data.insertManyDefaults(*n); Review Comment: *n should be enough, since it's equals `size + *n - data.size()` ########## be/src/olap/rowset/segment_v2/column_reader.cpp: ########## @@ -1462,5 +1481,73 @@ void DefaultValueColumnIterator::_insert_many_default(vectorized::MutableColumnP } } +Status VariantRootColumnIterator::next_batch(size_t* n, vectorized::MutableColumnPtr& dst, + bool* has_null) { + size_t size = dst->size(); + auto& obj = + dst->is_nullable() + ? assert_cast<vectorized::ColumnObject&>( + assert_cast<vectorized::ColumnNullable&>(*dst).get_nested_column()) + : assert_cast<vectorized::ColumnObject&>(*dst); + if (obj.is_null_root()) { + obj.create_root(); + } + auto root_column = obj.get_root(); + RETURN_IF_ERROR(_inner_iter->next_batch(n, root_column, has_null)); + obj.incr_num_rows(*n); + for (auto& entry : obj.get_subcolumns()) { + if (entry->data.size() != size + *n) { + entry->data.insertManyDefaults(*n); Review Comment: *n should be enough, since it's equals `size + *n - data.size()` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org