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set @save_default_engine= @@default_storage_engine; # # MDEV-25803 Inplace ALTER breaks MyISAM/Aria tables when order of keys is changed # create or replace table t1 (x int, y int, unique (y), unique (x), primary key(x)) engine myisam; alter table t1 change x xx int, algorithm=inplace; check table t1; Table Op Msg_type Msg_text test.t1 check status OK create or replace table t1 (x int, y int, unique (y), unique (x), primary key(x)); alter table t1 change x xx int, algorithm=inplace; check table t1; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; # # End of 10.3 tests # # # MDEV-16290 ALTER TABLE ... RENAME COLUMN syntax # CREATE TABLE t1(a INT, b VARCHAR(30), c FLOAT); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `c` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci INSERT INTO t1 VALUES(1,'abcd',1.234); CREATE TABLE t2(a INT, b VARCHAR(30), c FLOAT) ENGINE=MyIsam; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `a` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `c` float DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci INSERT INTO t2 VALUES(1,'abcd',1.234); ALTER TABLE t1 RENAME COLUMN a TO a; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `c` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN a TO m; ALTER TABLE t1 RENAME COLUMN a TO m; ERROR 42S22: Unknown column 'a' in 't1' ALTER TABLE t1 RENAME COLUMN IF EXISTS a TO m; Warnings: Note 1054 Unknown column 'a' in 't1' SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `m` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `c` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SELECT * FROM t1; m b c 1 abcd 1.234 ALTER TABLE t1 RENAME COLUMN m TO x, RENAME COLUMN b TO y, RENAME COLUMN c TO z; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `x` int(11) DEFAULT NULL, `y` varchar(30) DEFAULT NULL, `z` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SELECT * FROM t1; x y z 1 abcd 1.234 ALTER TABLE t2 RENAME COLUMN a TO d, RENAME COLUMN b TO e, RENAME COLUMN c to f; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `d` int(11) DEFAULT NULL, `e` varchar(30) DEFAULT NULL, `f` float DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SELECT * FROM t2; d e f 1 abcd 1.234 ALTER TABLE t1 CHANGE COLUMN x a INT, RENAME COLUMN y TO b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `z` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 CHANGE COLUMN z c DOUBLE, RENAME COLUMN b to b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` varchar(30) DEFAULT NULL, `c` double DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 CHANGE COLUMN a b int, RENAME COLUMN b TO c, CHANGE COLUMN c d FLOAT; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `c` varchar(30) DEFAULT NULL, `d` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 ADD COLUMN zz INT, RENAME COLUMN d TO f; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `c` varchar(30) DEFAULT NULL, `f` float DEFAULT NULL, `zz` int(11) DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 DROP COLUMN zz, RENAME COLUMN c TO zz; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `zz` varchar(30) DEFAULT NULL, `f` float DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN zz to c, DROP COLUMN f; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` int(11) DEFAULT NULL, `c` varchar(30) DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 ADD COLUMN d INT DEFAULT 5, RENAME COLUMN c TO b, DROP COLUMN b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `b` varchar(30) DEFAULT NULL, `d` int(11) DEFAULT 5 ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN b TO d, RENAME COLUMN d TO b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `b` int(11) DEFAULT 5 ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 ADD KEY(b); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `b` int(11) DEFAULT 5, KEY `b` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN b TO bb; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `bb` int(11) DEFAULT 5, KEY `b` (`bb`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SELECT * FROM t1; d bb abcd 5 CREATE TABLE t3(a int, b int, KEY(b)); ALTER TABLE t3 ADD CONSTRAINT FOREIGN KEY(b) REFERENCES t1(bb); SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, KEY `b` (`b`), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`bb`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN bb TO b; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `b` int(11) DEFAULT 5, KEY `b` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t3 RENAME COLUMN b TO c; SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `a` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, KEY `b` (`c`), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`c`) REFERENCES `t1` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci CREATE TABLE t4(a int); ALTER TABLE t4 RENAME COLUMN a TO aa, ALGORITHM = INPLACE; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `aa` int(11) DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t4 RENAME COLUMN aa TO a, ALGORITHM = COPY; SHOW CREATE TABLE t4; Table Create Table t4 CREATE TABLE `t4` ( `a` int(11) DEFAULT NULL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci DROP TABLE t4; CREATE VIEW v1 AS SELECT d,e,f FROM t2; CREATE TRIGGER trg1 BEFORE UPDATE on t2 FOR EACH ROW SET NEW.d=OLD.d + 10; CREATE PROCEDURE sp1() INSERT INTO t2(d) VALUES(10); ALTER TABLE t2 RENAME COLUMN d TO g; SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `g` int(11) DEFAULT NULL, `e` varchar(30) DEFAULT NULL, `f` float DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SHOW CREATE VIEW v1; View Create View character_set_client collation_connection v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `test`.`t2`.`d` AS `d`,`test`.`t2`.`e` AS `e`,`test`.`t2`.`f` AS `f` from `t2` latin1 latin1_swedish_ci Warnings: Warning 1356 View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them SELECT * FROM v1; ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them UPDATE t2 SET f = f + 10; ERROR 42S22: Unknown column 'd' in 'NEW' CALL sp1(); ERROR 42S22: Unknown column 'd' in 'INSERT INTO' DROP TRIGGER trg1; DROP PROCEDURE sp1; CREATE TABLE t_gen(a INT, b DOUBLE GENERATED ALWAYS AS (SQRT(a))); INSERT INTO t_gen(a) VALUES(4); SELECT * FROM t_gen; a b 4 2 SHOW CREATE TABLE t_gen; Table Create Table t_gen CREATE TABLE `t_gen` ( `a` int(11) DEFAULT NULL, `b` double GENERATED ALWAYS AS (sqrt(`a`)) VIRTUAL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t_gen RENAME COLUMN a TO c, CHANGE COLUMN b b DOUBLE GENERATED ALWAYS AS (SQRT(c)); SELECT * FROM t_gen; c b 4 2 SHOW CREATE TABLE t_gen; Table Create Table t_gen CREATE TABLE `t_gen` ( `c` int(11) DEFAULT NULL, `b` double GENERATED ALWAYS AS (sqrt(`c`)) VIRTUAL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t_gen CHANGE COLUMN c x INT; show create table t_gen; Table Create Table t_gen CREATE TABLE `t_gen` ( `x` int(11) DEFAULT NULL, `b` double GENERATED ALWAYS AS (sqrt(`x`)) VIRTUAL ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t_gen RENAME COLUMN x TO a; DROP TABLE t_gen; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `b` int(11) DEFAULT 5, KEY `b` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci ALTER TABLE t1 RENAME COLUMN b z; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'z' at line 1 ALTER TABLE t1 RENAME COLUMN FROM b TO z; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'FROM b TO z' at line 1 ALTER TABLE t1 RENAME COLUMN b TO 1; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '1' at line 1 ALTER TABLE t1 RENAME COLUMN b TO e, RENAME COLUMN c TO e; ERROR 42S22: Unknown column 'c' in 't1' ALTER TABLE t1 ADD COLUMN z INT, RENAME COLUMN b TO z; ERROR 42S21: Duplicate column name 'z' ALTER TABLE t1 DROP COLUMN b, RENAME COLUMN b TO z; ERROR 42S22: Unknown column 'b' in 't1' ALTER TABLE t1 RENAME COLUMN b TO b, RENAME COLUMN b TO b; ERROR 42S22: Unknown column 'b' in 't1' ALTER TABLE t1 RENAME COLUMN b TO c3, DROP COLUMN c3; ERROR 42000: Can't DROP COLUMN `c3`; check that it exists ALTER TABLE t1 ADD COLUMN z INT, CHANGE COLUMN z y INT, DROP COLUMN y; ERROR 42S22: Unknown column 'z' in 't1' ALTER TABLE t1 ADD COLUMN z INT, RENAME COLUMN z TO y, DROP COLUMN y; ERROR 42S22: Unknown column 'z' in 't1' ALTER TABLE t1 RENAME COLUMN b TO `nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn`; ERROR 42000: Incorrect column name 'nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn' ALTER TABLE t1 CHANGE b `nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn` int; ERROR 42000: Identifier name 'nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn' is too long SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `d` varchar(30) DEFAULT NULL, `b` int(11) DEFAULT 5, KEY `b` (`b`) ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci SELECT * FROM t1; d b abcd 5 DROP VIEW v1; DROP TABLE t3,t1,t2; # # MDEV-25803 Inplace ALTER breaks MyISAM/Aria tables when order of keys is changed # create or replace table t1 (x int, y int, unique (y), unique (x), primary key(x)) engine myisam; alter table t1 change x xx int, algorithm=inplace; check table t1; Table Op Msg_type Msg_text test.t1 check status OK create or replace table t1 (x int, y int, unique (y), unique (x), primary key(x)); alter table t1 change x xx int, algorithm=inplace; check table t1; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; # # End of 10.5 tests # set @@default_storage_engine= @save_default_engine;