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unknown authored
Objects of the classes Item_func_is_not_null_test and Item_func_trig_cond must be transparent for the method Item::split_sum_func2 as these classes are pure helpers. It means that the method Item::split_sum_func2 should look at those objects as at pure wrappers. mysql-test/r/subselect3.result: Added a test case for bug #24420. mysql-test/t/subselect3.test: Added a test case for bug #24420.
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