set @save_default_engine= @@default_storage_engine;
--disable_query_log
if ($MTR_COMBINATION_INNODB)
{
set default_storage_engine= innodb;
}
if ($MTR_COMBINATION_ARIA)
{
set default_storage_engine= aria;
}
if ($MTR_COMBINATION_HEAP)
{
set default_storage_engine= memory;
}
--enable_query_log
let $default_engine= `select @@default_storage_engine`;

--echo #
--echo # MDEV-25803 Inplace ALTER breaks MyISAM/Aria tables when order of keys is changed
--echo #

if (!$MTR_COMBINATION_INNODB)
{
  --disable_query_log
  --disable_result_log
  # There is no inplace ADD INDEX for MyISAM/Aria:
  create or replace table t1 (x int);
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add unique (x), algorithm=inplace;
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add primary key(x), algorithm=inplace;
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add index(x), algorithm=inplace;
  --enable_query_log
  --enable_result_log
}

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;
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;
drop table t1;

--echo #
--echo # End of 10.3 tests
--echo #

--echo #
--echo # MDEV-16290 ALTER TABLE ... RENAME COLUMN syntax
--echo #

CREATE TABLE t1(a INT, b VARCHAR(30), c FLOAT);
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
INSERT INTO t1 VALUES(1,'abcd',1.234);
CREATE TABLE t2(a INT, b VARCHAR(30), c FLOAT) ENGINE=MyIsam;
SHOW CREATE TABLE t2;
INSERT INTO t2 VALUES(1,'abcd',1.234);

# Rename one column
ALTER TABLE t1 RENAME COLUMN a TO a;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 RENAME COLUMN a TO m;
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 RENAME COLUMN a TO m;
ALTER TABLE t1 RENAME COLUMN IF EXISTS a TO m;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Rename multiple column
ALTER TABLE t1 RENAME COLUMN m TO x,
               RENAME COLUMN b TO y,
               RENAME COLUMN c TO z;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Rename multiple columns with MyIsam Engine
ALTER TABLE t2 RENAME COLUMN a TO d, RENAME COLUMN b TO e, RENAME COLUMN c to f;
SHOW CREATE TABLE t2;
SELECT * FROM t2;

# Mix different ALTER operations with RENAME COLUMN
ALTER TABLE t1 CHANGE COLUMN x a INT, RENAME COLUMN y TO b;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 CHANGE COLUMN z c DOUBLE, RENAME COLUMN b to b;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 CHANGE COLUMN a b int, RENAME COLUMN b TO c, CHANGE COLUMN c d FLOAT;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN zz INT, RENAME COLUMN d TO f;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 DROP COLUMN zz, RENAME COLUMN c TO zz;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 RENAME COLUMN zz to c, DROP COLUMN f;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 ADD COLUMN d INT DEFAULT 5, RENAME COLUMN c TO b, DROP COLUMN b;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

#Cyclic Rename
ALTER TABLE t1 RENAME COLUMN b TO d, RENAME COLUMN d TO b;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

# Rename with Indexes
ALTER TABLE t1 ADD KEY(b);
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t1 RENAME COLUMN b TO bb;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Rename with Foreign keys.
CREATE TABLE t3(a int, b int, KEY(b));
ALTER TABLE t3 ADD CONSTRAINT FOREIGN KEY(b) REFERENCES t1(bb);
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t3;
ALTER TABLE t1 RENAME COLUMN bb TO b;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
ALTER TABLE t3 RENAME COLUMN b TO c;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t3;

# Different Algorithm
CREATE TABLE t4(a int);
ALTER TABLE t4 RENAME COLUMN a TO aa, ALGORITHM = INPLACE;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t4;
ALTER TABLE t4 RENAME COLUMN aa TO a, ALGORITHM = COPY;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t4;
DROP TABLE t4;

# View, Trigger and SP
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;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t2;
SHOW CREATE VIEW v1;
--error ER_VIEW_INVALID
SELECT * FROM v1;
--error ER_BAD_FIELD_ERROR
UPDATE t2 SET f = f + 10;
--error ER_BAD_FIELD_ERROR
CALL sp1();
DROP TRIGGER trg1;
DROP PROCEDURE sp1;

# Generated Columns
if (!$MTR_COMBINATION_HEAP)
{
CREATE TABLE t_gen(a INT, b DOUBLE GENERATED ALWAYS AS (SQRT(a)));
INSERT INTO t_gen(a) VALUES(4);
SELECT * FROM t_gen;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t_gen;
ALTER TABLE t_gen RENAME COLUMN a TO c, CHANGE COLUMN b b DOUBLE GENERATED ALWAYS AS (SQRT(c));
SELECT * FROM t_gen;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t_gen;
#--error ER_DEPENDENT_BY_GENERATED_COLUMN
ALTER TABLE t_gen CHANGE COLUMN c x INT;
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
show create table t_gen;
#--error ER_DEPENDENT_BY_GENERATED_COLUMN
ALTER TABLE t_gen RENAME COLUMN x TO a;
DROP TABLE t_gen;
}

#
# Negative tests
#
--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

# Invalid Syntax
--error ER_PARSE_ERROR
ALTER TABLE t1 RENAME COLUMN b z;
--error ER_PARSE_ERROR
ALTER TABLE t1 RENAME COLUMN FROM b TO z;
--error ER_PARSE_ERROR
ALTER TABLE t1 RENAME COLUMN b TO 1;

# Duplicate column name
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 RENAME COLUMN b TO e, RENAME COLUMN c TO e;
--error ER_DUP_FIELDNAME
ALTER TABLE t1 ADD COLUMN z INT, RENAME COLUMN b TO z;

# Multiple operation on same column
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 DROP COLUMN b, RENAME COLUMN b TO z;
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 RENAME COLUMN b TO b, RENAME COLUMN b TO b;
--error ER_CANT_DROP_FIELD_OR_KEY
ALTER TABLE t1 RENAME COLUMN b TO c3, DROP COLUMN c3;
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 ADD COLUMN z INT, CHANGE COLUMN z y INT, DROP COLUMN y;
--error ER_BAD_FIELD_ERROR
ALTER TABLE t1 ADD COLUMN z INT, RENAME COLUMN z TO y, DROP COLUMN y;

# Invalid column name while renaming
--error ER_WRONG_COLUMN_NAME
ALTER TABLE t1 RENAME COLUMN b TO `nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn`;
# This error is different compared to ALTER TABLE ... CHANGE command
--error ER_TOO_LONG_IDENT
ALTER TABLE t1 CHANGE b `nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn` int;

--replace_result $default_engine DEFAULT_ENGINE " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;
SELECT * FROM t1;

# Cleanup
DROP VIEW v1;
DROP TABLE t3,t1,t2;

--echo #
--echo # MDEV-25803 Inplace ALTER breaks MyISAM/Aria tables when order of keys is changed
--echo #

if (!$MTR_COMBINATION_INNODB)
{
  --disable_query_log
  --disable_result_log
  # There is no inplace ADD INDEX for MyISAM/Aria:
  create or replace table t1 (x int);
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add unique (x), algorithm=inplace;
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add primary key(x), algorithm=inplace;
  --error ER_ALTER_OPERATION_NOT_SUPPORTED
  alter table t1 add index(x), algorithm=inplace;
  --enable_query_log
  --enable_result_log
}

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;
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;
drop table t1;

--echo #
--echo # End of 10.5 tests
--echo #

set @@default_storage_engine= @save_default_engine;