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-rw-r--r--mysql-test/main/row.test316
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diff --git a/mysql-test/main/row.test b/mysql-test/main/row.test
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+# Initialise
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+select (1,2,3) IN ((3,2,3), (1,2,3), (1,3,3));
+select row(10,2,3) IN (row(3,2,3), row(1,2,3), row(1,3,3));
+select row(1,2,3) IN (row(3,NULL,3), row(1,2,3), row(1,3,3));
+select row(10,2,3) IN (row(3,NULL,3), row(1,2,3), row(1,3,3));
+select row('a',1.5,3) IN (row(1,2,3), row('a',1.5,3), row('a','a','a'));
+select row('a',0,3) IN (row(3,2,3), row('a','a','3'), row(1,3,3));
+select row('a',0,3) IN (row(3,2,3), row('a','0','3'), row(1,3,3));
+select row('a',1.5,3) IN (row(3,NULL,3), row('a',1.5,3), row(1,3,3));
+select row('b',1.5,3) IN (row(3,NULL,3), row('a',1.5,3), row(1,3,3));
+select row('b',1.5,3) IN (row('b',NULL,3), row('a',1.5,3), row(1,3,3));
+select row('b',1.5,3) IN (row('b',NULL,4), row('a',1.5,3), row(1,3,3));
+select (1,2,(3,4)) IN ((3,2,(3,4)), (1,2,(3,4)));
+-- error 1241
+select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,4));
+select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
+explain extended select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
+select row(1,2,row(3,null)) IN (row(3,2,row(3,4)), row(1,2,row(4,5)));
+select row(1,2,row(3,null)) IN (row(3,2,row(3,4)), row(1,2,row(3,5)));
+
+
+SELECT (1,2,3)=(0,NULL,3);
+SELECT (1,2,3)=(1,NULL,3);
+SELECT (1,2,3)=(1,NULL,0);
+
+SELECT ROW(1,2,3)=ROW(1,2,3);
+SELECT ROW(2,2,3)=ROW(1+1,2,3);
+SELECT ROW(1,2,3)=ROW(1+1,2,3);
+SELECT ROW(1,2,3)<ROW(1+1,2,3);
+SELECT ROW(1,2,3)>ROW(1+1,2,3);
+SELECT ROW(1,2,3)<=ROW(1+1,2,3);
+SELECT ROW(1,2,3)>=ROW(1+1,2,3);
+SELECT ROW(1,2,3)<>ROW(1+1,2,3);
+SELECT ROW(NULL,2,3)=ROW(NULL,2,3);
+SELECT ROW(NULL,2,3)<=>ROW(NULL,2,3);
+SELECT ROW(1,2,ROW(3,4,5))=ROW(1,2,ROW(3,4,5));
+SELECT ROW('test',2,3.33)=ROW('test',2,3.33);
+-- error 1241
+SELECT ROW('test',2,3.33)=ROW('test',2,3.33,4);
+SELECT ROW('test',2,ROW(3,33))=ROW('test',2,ROW(3,33));
+SELECT ROW('test',2,ROW(3,33))=ROW('test',2,ROW(3,3));
+SELECT ROW('test',2,ROW(3,33))=ROW('test',2,ROW(3,NULL));
+-- error 1241
+SELECT ROW('test',2,ROW(3,33))=ROW('test',2,4);
+
+create table t1 ( a int, b int, c int);
+insert into t1 values (1,2,3), (2,3,1), (3,2,1), (1,2,NULL);
+select * from t1 where ROW(1,2,3)=ROW(a,b,c);
+select * from t1 where ROW(0,2,3)=ROW(a,b,c);
+select * from t1 where ROW(1,2,3)<ROW(a,b,c);
+select ROW(a,2,3) IN(row(1,b,c), row(2,3,1)) from t1;
+select ROW(c,2,3) IN(row(1,b,a), row(2,3,1)) from t1;
+select ROW(a,b,c) IN(row(1,2,3), row(3,2,1)) from t1;
+select ROW(1,2,3) IN(row(a,b,c), row(1,2,3)) from t1;
+drop table t1;
+
+-- error 1241
+select ROW(1,1);
+
+create table t1 (i int);
+-- error 1241
+select 1 from t1 where ROW(1,1);
+-- error 1241
+select count(*) from t1 order by ROW(1,1);
+-- error 1241
+select count(*) from t1 having (1,1) order by i;
+drop table t1;
+
+create table t1 (a int, b int);
+insert into t1 values (1, 4);
+insert into t1 values (10, 40);
+insert into t1 values (1, 4);
+insert into t1 values (10, 43);
+insert into t1 values (1, 4);
+insert into t1 values (10, 41);
+insert into t1 values (1, 4);
+insert into t1 values (10, 43);
+insert into t1 values (1, 4);
+select a, MAX(b), (1, MAX(b)) = (1, 4) from t1 group by a;
+drop table t1;
+SELECT ROW(2,10) <=> ROW(3,4);
+SELECT ROW(NULL,10) <=> ROW(3,NULL);
+
+#
+# Bug #27484: nested row expressions in IN predicate
+#
+
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN (ROW(1,ROW(2,3)),ROW(1,1));
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN (ROW(1,ROW(2,3)),ROW(1,1),ROW(1,ROW(2,3)));
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN (ROW(1,ROW(2,3)),ROW(1,ROW(2,2,2)));
+--error 1241
+SELECT ROW(1,ROW(2,3,4)) IN (ROW(1,ROW(2,3,4)),ROW(1,ROW(2,2)));
+
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN (ROW(1,ROW(2,3)),(SELECT 1,1));
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN (ROW(1,ROW(2,3)),(SELECT 1,1),ROW(1,ROW(2,4)));
+--error 1241
+SELECT ROW(1,ROW(2,3)) IN ((SELECT 1,1),ROW(1,ROW(2,3)));
+
+--error 1241
+SELECT ROW(2,1) IN (ROW(21,2),ROW(ROW(1,1,3),0));
+--error 1241
+SELECT ROW(2,1) IN (ROW(ROW(1,1,3),0),ROW(21,2));
+
+#
+# Bug#27704: erroneous comparison of rows with NULL components
+#
+CREATE TABLE t1(a int, b int, c int);
+INSERT INTO t1 VALUES (1, 2, 3),
+ (NULL, 2, 3 ), (1, NULL, 3 ), (1, 2, NULL),
+ (NULL, 2, 3+1), (1, NULL, 3+1), (1, 2+1, NULL),
+ (NULL, 2, 3-1), (1, NULL, 3-1), (1, 2-1, NULL);
+
+SELECT (1,2,3) = (1, NULL, 3);
+SELECT (1,2,3) = (1+1, NULL, 3);
+SELECT (1,2,3) = (1, NULL, 3+1);
+SELECT * FROM t1 WHERE (a,b,c) = (1,2,3);
+
+SELECT (1,2,3) <> (1, NULL, 3);
+SELECT (1,2,3) <> (1+1, NULL, 3);
+SELECT (1,2,3) <> (1, NULL, 3+1);
+SELECT * FROM t1 WHERE (a,b,c) <> (1,2,3);
+
+SELECT (1,2,3) < (NULL, 2, 3);
+SELECT (1,2,3) < (1, NULL, 3);
+SELECT (1,2,3) < (1-1, NULL, 3);
+SELECT (1,2,3) < (1+1, NULL, 3);
+SELECT * FROM t1 WHERE (a,b,c) < (1,2,3);
+
+SELECT (1,2,3) <= (NULL, 2, 3);
+SELECT (1,2,3) <= (1, NULL, 3);
+SELECT (1,2,3) <= (1-1, NULL, 3);
+SELECT (1,2,3) <= (1+1, NULL, 3);
+SELECT * FROM t1 WHERE (a,b,c) <= (1,2,3);
+
+SELECT (1,2,3) > (NULL, 2, 3);
+SELECT (1,2,3) > (1, NULL, 3);
+SELECT (1,2,3) > (1-1, NULL, 3);
+SELECT (1,2,3) > (1+1, NULL, 3);
+SELECT * FROM t1 WHERE (a,b,c) > (1,2,3);
+
+SELECT (1,2,3) >= (NULL, 2, 3);
+SELECT (1,2,3) >= (1, NULL, 3);
+SELECT (1,2,3) >= (1-1, NULL, 3);
+SELECT (1,2,3) >= (1+1, NULL, 3);
+SELECT * FROM t1 WHERE (a,b,c) >= (1,2,3);
+
+DROP TABLE t1;
+
+# End of 4.1 tests
+
+#
+# Correct NULL handling in row comporison (BUG#12509)
+#
+SELECT ROW(1,1,1) = ROW(1,1,1) as `1`, ROW(1,1,1) = ROW(1,2,1) as `0`, ROW(1,NULL,1) = ROW(2,2,1) as `0`, ROW(1,NULL,1) = ROW(1,2,2) as `0`, ROW(1,NULL,1) = ROW(1,2,1) as `null` ;
+select row(NULL,1)=(2,0);
+
+#
+# Bug #16081: row equalities are to be used for query optimizations
+#
+
+CREATE TABLE t1 (a int, b int, PRIMARY KEY (a,b));
+INSERT INTO t1 VALUES (1,1), (2,1), (3,1), (1,2), (3,2), (3,3);
+
+EXPLAIN SELECT * FROM t1 WHERE a=3 AND b=2;
+EXPLAIN SELECT * FROM t1 WHERE (a,b)=(3,2);
+SELECT * FROM t1 WHERE a=3 and b=2;
+SELECT * FROM t1 WHERE (a,b)=(3,2);
+
+CREATE TABLE t2 (a int, b int, c int, PRIMARY KEY (a,b,c));
+INSERT INTO t2 VALUES
+ (1,1,2), (3,1,3), (1,2,2), (4,4,2),
+ (1,1,1), (3,1,1), (1,2,1);
+
+EXPLAIN SELECT * FROM t1,t2 WHERE t1.a=t2.a AND t1.b=t2.b;
+EXPLAIN SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,t2.b);
+SELECT * FROM t1,t2 WHERE t1.a=t2.a and t1.b=t2.b;
+SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,t2.b);
+
+EXPLAIN SELECT * FROM t1,t2 WHERE t1.a=t2.a AND t1.b=2;
+EXPLAIN SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,2);
+--sorted_result
+SELECT * FROM t1,t2 WHERE t1.a=1 and t1.b=t2.b;
+SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,2);
+
+EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,t2.b+1);
+SELECT * FROM t1,t2 WHERE (t1.a,t1.b)=(t2.a,t2.b+1);
+
+EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE (t1.a-1,t1.b)=(t2.a-1,t2.b+1);
+--sorted_result
+SELECT * FROM t1,t2 WHERE (t1.a-1,t1.b)=(t2.a-1,t2.b+1);
+
+EXPLAIN SELECT * FROM t2 WHERE a=3 AND b=2;
+EXPLAIN SELECT * FROM t2 WHERE (a,b)=(3,2);
+SELECT * FROM t2 WHERE a=3 and b=2;
+SELECT * FROM t2 WHERE (a,b)=(3,2);
+
+EXPLAIN SELECT * FROM t1,t2 WHERE t2.a=t1.a AND t2.b=2 AND t2.c=1;
+EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE (t2.a,(t2.b,t2.c))=(t1.a,(2,1));
+SELECT * FROM t1,t2 WHERE (t2.a,(t2.b,t2.c))=(t1.a,(2,1));
+
+EXPLAIN EXTENDED SELECT * FROM t1,t2 WHERE t2.a=t1.a AND (t2.b,t2.c)=(2,1);
+SELECT * FROM t1,t2 WHERE t2.a=t1.a AND (t2.b,t2.c)=(2,1);
+
+DROP TABLE t1,t2;
+
+#
+# Bug #27154: crash (memory corruption) when using row equalities
+#
+
+CREATE TABLE t1(
+ a int, b int, c int, d int, e int, f int, g int, h int,
+ PRIMARY KEY (a,b,c,d,e,f,g)
+);
+INSERT INTO t1 VALUES (1,2,3,4,5,6,7,99);
+
+SELECT h FROM t1 WHERE (a,b,c,d,e,f,g)=(1,2,3,4,5,6,7);
+
+SET @x:= (SELECT h FROM t1 WHERE (a,b,c,d,e,f,g)=(1,2,3,4,5,6,7));
+SELECT @x;
+
+DROP TABLE t1;
+
+#
+# Bug #34620: item_row.cc:50: Item_row::illegal_method_call(const char*):
+# Assertion `0' failed
+#
+
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (1,1);
+
+SELECT ROW(a, 1) IN (SELECT SUM(b), 1) FROM t1 GROUP BY a;
+SELECT ROW(a, 1) IN (SELECT SUM(b), 3) FROM t1 GROUP BY a;
+
+DROP TABLE t1;
+
+#
+# Bug#37601 Cast Is Not Done On Row Comparison
+#
+create table t1 (a varchar(200),
+ b int unsigned not null primary key auto_increment)
+default character set 'utf8';
+
+create table t2 (c varchar(200),
+ d int unsigned not null primary key auto_increment)
+default character set 'latin1';
+
+insert into t1 (a) values('abc');
+insert into t2 (c) values('abc');
+select * from t1,t2 where (a,b) = (c,d);
+
+select host,user from mysql.user where (host,user) = ('localhost','test');
+drop table t1,t2;
+
+--echo #
+--echo # Bug#52124 memory leaks like a sieve in datetime, timestamp, time, date fields + warnings
+--echo #
+CREATE TABLE t1 (a DATETIME NOT NULL, b TINYINT);
+INSERT INTO t1 VALUES (0, 0),(0, 0);
+--disable_warnings
+SELECT 1 FROM t1 WHERE ROW(a, b) >=
+ROW('1', (SELECT 1 FROM t1 WHERE a > 1234));
+--enable_warnings
+DROP TABLE t1;
+
+--echo #
+--echo # Bug #54190: Comparison to row subquery produces incorrect result
+--echo #
+
+SELECT ROW(1,2) = (SELECT 1,2 FROM DUAL WHERE 1 = 0);
+SELECT ROW(1,2) = (SELECT 1,3 FROM DUAL WHERE 1 = 0);
+
+CREATE TABLE t1 (i INT);
+INSERT INTO t1 () VALUES (1), (2), (3);
+
+SELECT ROW(1,2) = (SELECT 1,2 FROM t1 WHERE 1 = 0);
+SELECT ROW(1,2) = (SELECT 1,3 FROM t1 WHERE 1 = 0);
+SELECT i FROM t1 WHERE ROW(1,2) = (SELECT 1,2 FROM DUAL WHERE 1 = 0);
+SELECT i FROM t1 WHERE ROW(1,2) = (SELECT 1,3 FROM DUAL WHERE 1 = 0);
+
+DROP TABLE t1;
+
+--echo End of 5.1 tests
+
+--echo #
+--echo # Start of 10.1 tests
+--echo #
+
+--echo #
+--echo # MDEV-8709 Row equality elements do not get propagated
+--echo #
+CREATE TABLE t1 (a INT, b INT);
+INSERT INTO t1 VALUES (10,10),(20,20);
+# Checking that the a>=10 part gets optimized away in both scalar and row notations
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10 AND b=10 AND a>=10;
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a,b)=(10,10) AND a>=10;
+DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-9369 IN operator with ( num, NULL ) gives inconsistent result
+--echo #
+SELECT (1,null) NOT IN ((2,2),(3,3)), (1,null) NOT IN ((2,2)), (1,null) NOT IN ((3,3));
+
+
+--echo #
+--echo # End of 10.1 tests
+--echo #