yiguolei commented on code in PR #10684:
URL: https://github.com/apache/doris/pull/10684#discussion_r916410856
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be/src/vec/olap/olap_data_convertor.cpp:
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@@ -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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