wangbo commented on a change in pull request #7613:
URL: https://github.com/apache/incubator-doris/pull/7613#discussion_r781762132
##########
File path: be/src/olap/rowset/segment_v2/binary_dict_page.cpp
##########
@@ -257,23 +257,33 @@ Status BinaryDictPageDecoder::next_batch(size_t* n,
vectorized::MutableColumnPtr
const int32_t* data_array = reinterpret_cast<const
int32_t*>(_bit_shuffle_ptr->_chunk.data);
size_t start_index = _bit_shuffle_ptr->_cur_index;
- // todo(wb) support nullable
- if (dst->is_predicate_column()) {
+ auto* dst_col_ptr = dst.get();
+ if (dst->is_nullable()) {
+ auto nullable_column =
assert_cast<vectorized::ColumnNullable*>(dst.get());
+ dst_col_ptr = nullable_column->get_nested_column_ptr().get();
+
+ // fill null bitmap here, not null;
+ for (int i = 0; i < max_fetch; i++) {
+ nullable_column->get_null_map_data().push_back(0);
+ }
+ }
+
+ if (dst_col_ptr->is_predicate_column()) {
Review comment:
Because current class is ```binary_dict_page```, only
```ColumnStringValue``` will enter this method.
--
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
