[GitHub] [incubator-doris] wutiangan commented on a change in pull request #4079: Fix be may core dump when linked schema change

[GitBox <gi...@apache.org>]

wutiangan commented on a change in pull request #4079:
URL: https://github.com/apache/incubator-doris/pull/4079#discussion_r452766261



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File path: be/src/olap/rowset/segment_group.cpp
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@@ -256,7 +256,9 @@ OLAPStatus SegmentGroup::add_zone_maps_for_linked_schema_change(
 
     int zonemap_col_num = get_num_zone_map_columns();
     CHECK(zonemap_col_num <= schema_mapping.size()) << zonemap_col_num << " vs. " << schema_mapping.size();
-    for (size_t i = 0; i < zonemap_col_num; ++i) {
+    // if uprade from 0.11 the zone map not contain the value column, so zone_map_fields.size() is less

Review comment:
       ```suggestion
       // if upgrade from 0.11 the zone map not contain the value column, so zone_map_fields.size() is less
   ```




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