[GitHub] [doris] yiguolei commented on a diff in pull request #10684: [BugFix] Column datas doesn't match nullmap when vectorization load

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

yiguolei commented on code in PR #10684:
URL: https://github.com/apache/doris/pull/10684#discussion_r916410856


##########
be/src/vec/olap/olap_data_convertor.cpp:
##########
@@ -138,6 +138,7 @@ void OlapBlockDataConvertor::OlapColumnDataConvertorBase::set_source_column(
         auto nullable_column =
                 assert_cast<const vectorized::ColumnNullable*>(_typed_column.column.get());
         _nullmap = nullable_column->get_null_map_data().data();
+        _nullmap += row_pos;

Review Comment:
   If the method is call twice, the nullmap maybe wrong.



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