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The problem is in the Item_func_isnull::update_used_tables() function, bracket is at the wrong place. Because of that isnull item erroneously is treated as const item. The fix is to set brackets in the right place. mysql-test/r/func_isnull.result: test case mysql-test/t/func_isnull.test: test case sql/item_cmpfunc.h: set brackets in the right place.
30 lines
699 B
Text
30 lines
699 B
Text
#
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# test of ISNULL()
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#
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (id int auto_increment primary key not null, mydate date not null);
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insert into t1 values (0,"2002-05-01"),(0,"2002-05-01"),(0,"2002-05-01");
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flush tables;
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select * from t1 where isnull(to_days(mydate));
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drop table t1;
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# End of 4.1 tests
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--echo #
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--echo # Bug#53933 crash when using uncacheable subquery in the having clause of outer query
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--echo #
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CREATE TABLE t1 (f1 INT);
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INSERT INTO t1 VALUES (0),(0);
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SELECT ISNULL((SELECT GET_LOCK('Bug#53933', 0) FROM t1 GROUP BY f1)) AS f2
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FROM t1 GROUP BY f1 HAVING f2 = f2;
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SELECT RELEASE_LOCK('Bug#53933');
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DROP TABLE t1;
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--echo End of 5.0 tests
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