BUG#17152: Wrong result with BINARY comparison on aliased column (7b14ac64) · Commits · Software / OSDI20 Artifacts / mariadb

mysql-test/r/innodb.result

+35 −0

Original line number	Diff line number	Diff line
		@@ -3241,3 +3241,38 @@ where t2.a between t1.a - interval 2 day and t1.a + interval 2 day;
		a a
		2005-10-01 2005-10-01
		drop table t1, t2;
		CREATE TABLE t1 (
		a BIGINT(20) NOT NULL,
		PRIMARY KEY (a)
		) ENGINE=INNODB DEFAULT CHARSET=UTF8;
		CREATE TABLE t2 (
		a BIGINT(20) NOT NULL,
		b VARCHAR(128) NOT NULL,
		c TEXT NOT NULL,
		PRIMARY KEY (a,b),
		KEY idx_t2_b_c (b,c(200)),
		CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a)
		ON DELETE CASCADE
		) ENGINE=INNODB DEFAULT CHARSET=UTF8;
		INSERT INTO t1 VALUES (1);
		INSERT INTO t2 VALUES (1, 'bar', 'vbar');
		INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR');
		INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi');
		INSERT INTO t2 VALUES (1, 'customer_over', '1');
		SELECT * FROM t2 WHERE b = 'customer_over';
		a b c
		1 customer_over 1
		SELECT * FROM t2 WHERE BINARY b = 'customer_over';
		a b c
		1 customer_over 1
		SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over';
		a
		1
		/* Bang: Empty result set, above was expected: */
		SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over';
		a
		1
		SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over';
		a
		1
		drop table t2, t1;

+34 −0

Original line number	Diff line number	Diff line
		@@ -2139,3 +2139,37 @@ insert into t2 values('2005-10-01');
		select * from t1, t2
		where t2.a between t1.a - interval 2 day and t1.a + interval 2 day;
		drop table t1, t2;

		#
		# Bug #17152: Wrong result with BINARY comparison on aliased column
		#

		CREATE TABLE t1 (
		a BIGINT(20) NOT NULL,
		PRIMARY KEY (a)
		) ENGINE=INNODB DEFAULT CHARSET=UTF8;

		CREATE TABLE t2 (
		a BIGINT(20) NOT NULL,
		b VARCHAR(128) NOT NULL,
		c TEXT NOT NULL,
		PRIMARY KEY (a,b),
		KEY idx_t2_b_c (b,c(200)),
		CONSTRAINT t_fk FOREIGN KEY (a) REFERENCES t1 (a)
		ON DELETE CASCADE
		) ENGINE=INNODB DEFAULT CHARSET=UTF8;

		INSERT INTO t1 VALUES (1);
		INSERT INTO t2 VALUES (1, 'bar', 'vbar');
		INSERT INTO t2 VALUES (1, 'BAR2', 'VBAR');
		INSERT INTO t2 VALUES (1, 'bar_bar', 'bibi');
		INSERT INTO t2 VALUES (1, 'customer_over', '1');

		SELECT * FROM t2 WHERE b = 'customer_over';
		SELECT * FROM t2 WHERE BINARY b = 'customer_over';
		SELECT DISTINCT p0.a FROM t2 p0 WHERE p0.b = 'customer_over';
		/* Bang: Empty result set, above was expected: */
		SELECT DISTINCT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over';
		SELECT p0.a FROM t2 p0 WHERE BINARY p0.b = 'customer_over';

		drop table t2, t1;