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# # Bug #12699505 MEMORY LEAK IN ROW_CREATE_INDEX_FOR_MYSQL() # CREATE TABLE t1(a int not null,key(a,a)) ENGINE=InnoDB DEFAULT CHARSET=latin1; ERROR 42S21: Duplicate column name 'a' CREATE TABLE t1(a int,b text,key(b(768))) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT; ERROR 42000: Specified key was too long; max key length is 767 bytes CREATE TABLE t1(a int not null,b text) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT; INSERT INTO t1 VALUES (1,''),(2,''),(3,''),(4,''),(5,''),(6,''),(7,''); CREATE INDEX t1aa ON t1(a,a); ERROR 42S21: Duplicate column name 'a' CREATE INDEX t1b ON t1(b(768)); ERROR 42000: Specified key was too long; max key length is 767 bytes SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, `b` text ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT SELECT * FROM t1; a b 1 2 3 4 5 6 7 DROP TABLE t1; CREATE TABLE t2(a int primary key, b text) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT; INSERT INTO t2 VALUES (1,''),(2,''),(3,''),(4,''),(5,''),(6,''),(7,''); CREATE INDEX t2aa ON t2(a,a); ERROR 42S21: Duplicate column name 'a' CREATE INDEX t2b ON t2(b(768)); ERROR 42000: Specified key was too long; max key length is 767 bytes SELECT * FROM t2; a b 1 2 3 4 5 6 7 DROP TABLE t2;