[fix](eq_for_null) fix incorrect logic in function eq_for_null #36004 (#36124)

cherry pick from #36004 cherry pick from #36164
2024-06-21 14:31:21 +08:00
parent 8105dc7de8
commit c8f2a3f952
3 changed files with 748 additions and 40 deletions
--- a/be/src/vec/functions/function.cpp
+++ b/be/src/vec/functions/function.cpp
@ -179,7 +179,7 @@ Status PreparedFunctionImpl::default_implementation_for_constant_arguments(
    } else {
        result_column = temporary_block.get_by_position(arguments_size).column;
    }
-
+    // We shuold handle the case where the result column is also a ColumnConst.
    block.get_by_position(result).column = ColumnConst::create(result_column, input_rows_count);
    *executed = true;
    return Status::OK();