eldenmoon commented on code in PR #26749:
URL: https://github.com/apache/doris/pull/26749#discussion_r1393618764
##########
be/src/olap/rowset/segment_v2/segment_iterator.cpp:
##########
@@ -1632,19 +1685,35 @@ void SegmentIterator::_init_current_block(
for (size_t i = 0; i < _schema->num_column_ids(); i++) {
auto cid = _schema->column_id(i);
auto column_desc = _schema->column(cid);
- // the column in block must clear() here to insert new data
- if (_is_pred_column[cid] ||
- i >= block->columns()) { //todo(wb) maybe we can release it after
output block
- current_columns[cid]->clear();
- } else { // non-predicate column
- current_columns[cid] =
std::move(*block->get_by_position(i).column).mutate();
-
- if (column_desc->type() == FieldType::OLAP_FIELD_TYPE_DATE) {
- current_columns[cid]->set_date_type();
- } else if (column_desc->type() ==
FieldType::OLAP_FIELD_TYPE_DATETIME) {
- current_columns[cid]->set_datetime_type();
- }
+ if (!_is_pred_column[cid] &&
+ !_segment->same_with_storage_type(
Review Comment:
Now it's safe, since only variant's predicate will continue here, and let
the expr to handle such filter like inverted index match does.It could be a
common usage for later light schema change data type
--
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
