yangzhg commented on a change in pull request #4425:
URL: https://github.com/apache/incubator-doris/pull/4425#discussion_r476165953
##########
File path: be/src/olap/reader.cpp
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@@ -411,13 +414,13 @@ OLAPStatus Reader::_unique_key_next_row(RowCursor*
row_cursor, MemPool* mem_pool
*eof = true;
return OLAP_SUCCESS;
}
-
cur_delete_flag = _next_delete_flag;
// the verion is in reverse order, the first row is the highest
version,
// in UNIQUE_KEY highest version is the final result, there is no need
to
// merge the lower versions
direct_copy_row(row_cursor, *_next_key);
agg_finalize_row(_value_cids, row_cursor, mem_pool);
+
Review comment:
why?
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