yiguolei commented on code in PR #18528:
URL: https://github.com/apache/doris/pull/18528#discussion_r1162198914


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be/src/olap/rowset/segment_v2/column_reader.cpp:
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@@ -1107,9 +1107,10 @@ Status FileColumnIterator::_read_data_page(const 
OrdinalPageIndexIterator& iter)
                 Slice dict_data;
                 PageFooterPB dict_footer;
                 _opts.type = INDEX_PAGE;

Review Comment:
   If index is used, is there such case that we read page number 10 first and 
then read page number 1? Or in other words, could we make sure that the data 
page is read in descending order?



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