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The following commit(s) were added to refs/heads/master by this push:
     new c45a98d4c0 [Bug] Fix invalid nullmap (#10925)
c45a98d4c0 is described below

commit c45a98d4c036493aa31a2a1d9d346a4e1130f10e
Author: Gabriel <[email protected]>
AuthorDate: Sun Jul 17 07:53:11 2022 +0800

    [Bug] Fix invalid nullmap (#10925)
---
 be/src/vec/olap/olap_data_convertor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/be/src/vec/olap/olap_data_convertor.cpp 
b/be/src/vec/olap/olap_data_convertor.cpp
index a7238c64f3..1a29327326 100644
--- a/be/src/vec/olap/olap_data_convertor.cpp
+++ b/be/src/vec/olap/olap_data_convertor.cpp
@@ -160,7 +160,7 @@ void 
OlapBlockDataConvertor::OlapColumnDataConvertorBase::clear_source_column()
 // use `_nullmap` directly.
 const UInt8* 
OlapBlockDataConvertor::OlapColumnDataConvertorBase::get_nullmap() const {
     assert(_typed_column.column);
-    return _nullmap + _row_pos;
+    return _nullmap ? _nullmap + _row_pos : nullptr;
 }
 
 // class OlapBlockDataConvertor::OlapColumnDataConvertorObject


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