yiguolei commented on code in PR #66472:
URL: https://github.com/apache/doris/pull/66472#discussion_r3772227646


##########
be/src/storage/segment/segment_iterator.h:
##########
@@ -437,13 +384,9 @@ class SegmentIterator : public RowwiseIterator {
     // _opts.read_limit to compute the remaining per-batch budget.
     size_t _rows_returned = 0;
 
-    std::unique_ptr<ObjectPool> _pool;
-
-    // used to collect filter information.
-    std::vector<std::shared_ptr<ColumnPredicate>> _filter_info_id;
-    bool _record_rowids = false;
     int64_t _tablet_id = 0;
-    std::set<int32_t> _output_columns;
+    // Stable column UIDs requested by the caller; -1 disables data-page 
skipping.

Review Comment:
   -1 代表什么意思



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