yiguolei commented on code in PR #13865:
URL: https://github.com/apache/doris/pull/13865#discussion_r1017275927


##########
be/src/olap/rowset/segment_v2/segment_iterator.cpp:
##########
@@ -268,11 +268,12 @@ Status SegmentIterator::_prepare_seek(const 
StorageReadOptions::KeyRange& key_ra
     for (auto cid : _seek_schema->column_ids()) {
         int32_t unique_id = _opts.tablet_schema->column(cid).unique_id();
         if (_column_iterators.count(unique_id) < 1) {
-            
RETURN_IF_ERROR(_segment->new_column_iterator(_opts.tablet_schema->column(cid),
-                                                          
&_column_iterators[unique_id]));
+            RETURN_IF_ERROR(_segment->new_column_iterator(
+                    _opts.tablet_schema->column(cid), _opts.io_ctx, 
&_column_iterators[unique_id]));
             ColumnIteratorOptions iter_opts;
             iter_opts.stats = _opts.stats;
             iter_opts.file_reader = _file_reader.get();
+            iter_opts.io_ctx = _opts.io_ctx;
             RETURN_IF_ERROR(_column_iterators[unique_id]->init(iter_opts));

Review Comment:
   column iterator's init method will get column iterator options and it 
already contains io ctx, I think we could use it instead of modifying 
new_column_iterator_method.



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