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unknown authored
Added test case for bug #4256. join_outer.result: Fixed bug #4256. item_cmpfunc.h: Fixed inconsistency of values of used_tables_cache and const_item_cache for Item_func_isnull objects. This inconsistency caused bug #4256. sql/item_cmpfunc.h: Fixed inconsistency of values of used_tables_cache and const_item_cache for Item_func_isnull objects. This inconsistency caused bug #4256. mysql-test/r/join_outer.result: Fixed bug #4256. mysql-test/r/null.result: Added test case for bug #4256. mysql-test/t/null.test: Added test case for bug #4256.
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