[GitHub] [doris] Tanya-W commented on a diff in pull request #20605: [enhancement](index) Nereids support no need to read raw data for index column that only in filter conditions

["Tanya-W (via GitHub)" <gi...@apache.org>]

Tanya-W commented on code in PR #20605:
URL: https://github.com/apache/doris/pull/20605#discussion_r1223746831


##########
be/src/olap/rowset/segment_v2/segment_iterator.cpp:
##########
@@ -250,6 +250,10 @@ Status SegmentIterator::init(const StorageReadOptions& opts) {
     if (_char_type_idx.empty() && _char_type_idx_no_0.empty()) {
         _vec_init_char_column_id();
     }
+
+    if (opts.output_columns != nullptr) {
+        _output_columns = *(opts.output_columns);

Review Comment:
   `_maybe_read_column_ids` in `NewOlapScanNode` -> `output_columns` in `ReaderParams` -> `output_columns` in `RowsetReaderContext` -> output_columns in StorageReadOptions



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