mariadb/mysql-test/suite/innodb/t/innodb-index.test

-- source include/have_innodb.inc

let $MYSQLD_DATADIR= `select @@datadir`;

SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS;

# Bug#13654923 BOGUS DEBUG ASSERTION IN INDEX CREATION FOR ZERO-LENGTH RECORD
create table t1(a varchar(2) primary key) engine=innodb;
insert into t1 values('');
--enable_info
create index t1a1 on t1(a(1));
--disable_info
drop table t1;

create table t1(a int not null, b int, c char(10) not null, d varchar(20)) engine = innodb;
insert into t1 values (5,5,'oo','oo'),(4,4,'tr','tr'),(3,4,'ad','ad'),(2,3,'ak','ak');
commit;
--error ER_DUP_KEYNAME
alter table t1 add index b (b), add index b (b);
--error ER_DUP_FIELDNAME
alter table t1 add index (b,b);
--enable_info
alter table t1 add index d2 (d);
--disable_info
show create table t1;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(d2) order by d;
select * from t1 force index (d2) order by d;
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
show create table t1;
--enable_info
alter table t1 add index (b);
--disable_info
show create table t1;

--enable_info
alter table t1 add unique index (c), add index (d);
--disable_info
show create table t1;
analyze table t1;
explain select * from t1 force index(c) order by c;
--enable_info
alter table t1 add primary key (a), drop index c;
show create table t1;
--error ER_MULTIPLE_PRI_KEY
alter table t1 add primary key (c);
--error ER_DUP_ENTRY
alter table t1 drop primary key, add primary key (b);
create unique index c on t1 (c);
--disable_info
show create table t1;
analyze table t1;
explain select * from t1 force index(c) order by c;
select * from t1 force index(c) order by c;
--enable_info
alter table t1 drop index b, add index (b);
--disable_info
show create table t1;
insert into t1 values(6,1,'ggg','ggg');
select * from t1;
select * from t1 force index(b) order by b;
select * from t1 force index(c) order by c;
select * from t1 force index(d) order by d;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(b) order by b;
explain select * from t1 force index(c) order by c;
explain select * from t1 force index(d) order by d;
show create table t1;
drop table t1;

create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ad','ad'),(4,4,'afe','afe');
commit;
--enable_info
alter table t1 add index (c(2));
show create table t1;
alter table t1 add unique index (d(10));
show create table t1;
--disable_info
insert into t1 values(5,1,'ggg','ggg');
-- disable_result_log
analyze table t1;
-- enable_result_log
select * from t1;
select * from t1 force index(c) order by c;
select * from t1 force index(d) order by d;
explain select * from t1 order by b;
explain select * from t1 force index(c) order by c;
explain select * from t1 force index(d) order by d;
show create table t1;
--enable_info
alter table t1 drop index d;
--disable_info
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 force index(c) order by c;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 order by b;
explain select * from t1 force index(c) order by c;
explain select * from t1 order by d;
show create table t1;
drop table t1;

create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
commit;
--enable_info
alter table t1 add unique index (b,c);
--disable_info
insert into t1 values(8,9,'fff','fff');
select * from t1;
select * from t1 force index(b) order by b;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(b) order by b;
show create table t1;
--enable_info
alter table t1 add index (b,c);
--disable_info
insert into t1 values(11,11,'kkk','kkk');
select * from t1;
select * from t1 force index(b) order by b;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(b) order by b;
show create table t1;
--enable_info
alter table t1 add unique index (c,d);
--disable_info
insert into t1 values(13,13,'yyy','aaa');
select * from t1;
select * from t1 force index(b) order by b;
select * from t1 force index(c) order by c;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(b) order by b;
explain select * from t1 force index(c) order by c;
show create table t1;
drop table t1;

create table t1(a int not null, b int not null, c int, primary key (a), key (b)) engine = innodb;
create table t3(a int not null, c int not null, d int, primary key (a), key (c)) engine = innodb;
create table t4(a int not null, d int not null, e int, primary key (a), key (d)) engine = innodb;
create table t2(a int not null, b int, c int, d int, e int,
foreign key (b) references t1(b) on delete set null,
foreign key (c) references t3(c), foreign key (d) references t4(d) on update set null)
engine = innodb;
--error ER_DROP_INDEX_FK
alter table t1 drop index b;
--error ER_DROP_INDEX_FK
alter table t3 drop index c;
--error ER_DROP_INDEX_FK
alter table t4 drop index d;
--error ER_DROP_INDEX_FK
alter table t2 drop index b;
--error ER_DROP_INDEX_FK
alter table t2 drop index b, drop index c, drop index d;
--error ER_FK_COLUMN_CANNOT_CHANGE
alter table t2 MODIFY b INT NOT NULL, ALGORITHM=COPY;
# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
set @old_sql_mode = @@sql_mode;
set @@sql_mode = 'STRICT_TRANS_TABLES';
--error ER_FK_COLUMN_NOT_NULL
alter table t2 MODIFY b INT NOT NULL, ALGORITHM=INPLACE;
set @@sql_mode = @old_sql_mode;

SET FOREIGN_KEY_CHECKS=0;
--error ER_FK_COLUMN_CANNOT_DROP
alter table t2 DROP COLUMN b, ALGORITHM=COPY;
--error ER_FK_COLUMN_CANNOT_DROP
alter table t2 DROP COLUMN b;
--error ER_FK_COLUMN_CANNOT_DROP_CHILD
alter table t1 DROP COLUMN b, ALGORITHM=COPY;
--error ER_FK_COLUMN_CANNOT_DROP_CHILD
alter table t1 DROP COLUMN b;
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;

--enable_info
# Apparently, the following makes mysql_alter_table() drop index d.
create unique index dc on t2 (d,c);
create index dc on t1 (b,c);
# This should preserve the foreign key constraints.
--disable_info
# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
# And adding a PRIMARY KEY will also add NOT NULL implicitly!
set @@sql_mode = 'STRICT_TRANS_TABLES';
--enable_info
--error ER_FK_COLUMN_NOT_NULL
alter table t2 add primary key (alpha), change a alpha int,
change b beta int not null, change c charlie int not null;
--error ER_FK_COLUMN_NOT_NULL
alter table t2 add primary key (alpha), change a alpha int,
change c charlie int not null, change d delta int not null;
alter table t2 add primary key (alpha), change a alpha int,
change b beta int, modify c int not null;
--disable_info
set @@sql_mode = @old_sql_mode;
insert into t1 values (1,1,1);
insert into t3 values (1,1,1);
insert into t4 values (1,1,1);
insert into t2 values (1,1,1,1,1);
commit;
--enable_info
alter table t4 add constraint dc foreign key (a) references t1(a);
--disable_info
show create table t4;
# mysqltest first does replace_regex, then replace_result
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
# Embedded server doesn't chdir to data directory
--replace_result $MYSQLD_DATADIR ./ master-data/ ''
# a foreign key 'test/dc' already exists
--error ER_CANT_CREATE_TABLE
alter table t3 add constraint dc foreign key (a) references t1(a);
SET FOREIGN_KEY_CHECKS=0;
--error ER_FK_FAIL_ADD_SYSTEM
alter table t3 add constraint dc foreign key (a) references t1(a);
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
show create table t3;
--enable_info
alter table t2 drop index b, add index (beta);
--disable_info
show create table t2;
--error ER_ROW_IS_REFERENCED_2
delete from t1;
--error ER_CANT_DROP_FIELD_OR_KEY
drop index dc on t4;
--enable_info
--error ER_CANT_DROP_FIELD_OR_KEY
alter table t3 drop foreign key dc;
alter table t4 drop foreign key dc;
--disable_info
select * from t2;
delete from t1;
select * from t2;

drop table t2,t4,t3,t1;

-- let charset = utf8
-- source include/innodb-index.inc

create table t1(a int not null, b int) engine = innodb;
insert into t1 values (1,1),(1,1),(1,1),(1,1);
--error ER_DUP_ENTRY
alter table t1 add unique index (a);
--error ER_DUP_ENTRY
alter table t1 add unique index (b);
--error ER_DUP_ENTRY
alter table t1 add unique index (a), add unique index(b);
show create table t1;
drop table t1;

create table t1(a int not null, c int not null,b int, primary key(a), unique key(c), key(b)) engine = innodb;
alter table t1 drop index c, drop index b;
show create table t1;
drop table t1;

create table t1(a int not null, b int, primary key(a)) engine = innodb;
alter table t1 add index (b);
show create table t1;
drop table t1;

create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,3,'ac','ac'),(4,4,'afe','afe'),(5,4,'affe','affe');
--error ER_DUP_ENTRY
alter table t1 add unique index (b), add unique index (c), add unique index (d);
--error ER_DUP_ENTRY
alter table t1 add unique index (c), add unique index (b), add index (d);
show create table t1;
drop table t1;

create table t1(a int not null, b int not null, c int, primary key (a), key(c)) engine=innodb;
insert into t1 values (5,1,5),(4,2,4),(3,3,3),(2,4,2),(1,5,1);
--enable_info
alter table t1 add unique index (b);
--disable_info
insert into t1 values (10,20,20),(11,19,19),(12,18,18),(13,17,17);
show create table t1;
check table t1;
-- disable_result_log
analyze table t1;
-- enable_result_log
explain select * from t1 force index(c) order by c;
explain select * from t1 order by a;
explain select * from t1 force index(b) order by b;
select * from t1 order by a;
select * from t1 force index(b) order by b;
select * from t1 force index(c) order by c;
drop table t1;

create table t1(a int not null, b int not null) engine=innodb;
insert into t1 values (1,1);
--enable_info
alter table t1 add primary key(b);
--disable_info
insert into t1 values (2,2);
show create table t1;
check table t1;
select * from t1;
analyze table t1;
explain select * from t1;
explain select * from t1 order by a;
explain select * from t1 order by b;
checksum table t1;
drop table t1;

create table t1(a int not null) engine=innodb;
insert into t1 values (1);
--enable_info
alter table t1 add primary key(a);
--disable_info
insert into t1 values (2);
show create table t1;
check table t1;
commit;
select * from t1;
analyze table t1;
explain select * from t1;
explain select * from t1 order by a;
drop table t1;

#
# Test to check whether CREATE INDEX handles implicit foreign key
# constraint modifications (Issue #70, Bug #38786)
#
SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET FOREIGN_KEY_CHECKS=0;

CREATE TABLE t1(
  c1	BIGINT(12) NOT NULL,
  PRIMARY KEY (c1)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

CREATE TABLE t2(
  c1	BIGINT(16) NOT NULL,
  c2	BIGINT(12) NOT NULL,
  c3	BIGINT(12) NOT NULL,
  PRIMARY KEY (c1)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3) REFERENCES t1(c1);

SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;

SHOW CREATE TABLE t2;

CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);

SHOW CREATE TABLE t2;

SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;

--error ER_NO_REFERENCED_ROW_2
INSERT INTO t2 VALUES(0,0,0);
INSERT INTO t1 VALUES(0);
INSERT INTO t2 VALUES(0,0,0);

DROP TABLE t2;

CREATE TABLE t2(
  c1	BIGINT(16) NOT NULL,
  c2	BIGINT(12) NOT NULL,
  c3	BIGINT(12) NOT NULL,
  PRIMARY KEY (c1,c2,c3)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

SET FOREIGN_KEY_CHECKS=0;
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3) REFERENCES t1(c1);
SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;

SHOW CREATE TABLE t2;

CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);

SHOW CREATE TABLE t2;
--error ER_NO_REFERENCED_ROW_2
INSERT INTO t2 VALUES(0,0,1);
INSERT INTO t2 VALUES(0,0,0);
--error ER_ROW_IS_REFERENCED_2
DELETE FROM t1;
DELETE FROM t2;

DROP TABLE t2;
DROP TABLE t1;

CREATE TABLE t1(
  c1	BIGINT(12) NOT NULL,
  c2	INT(4) NOT NULL,
  PRIMARY KEY (c2,c1)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

CREATE TABLE t2(
  c1	BIGINT(16) NOT NULL,
  c2	BIGINT(12) NOT NULL,
  c3	BIGINT(12) NOT NULL,
  PRIMARY KEY (c1)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

SET FOREIGN_KEY_CHECKS=0;
--enable_info

# mysqltest first does replace_regex, then replace_result
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
# Embedded server doesn't chdir to data directory
--replace_result $MYSQLD_DATADIR ./ master-data/ ''
--error ER_CANT_CREATE_TABLE
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1), ALGORITHM=COPY;
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c1);
# mysqltest first does replace_regex, then replace_result
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
# Embedded server doesn't chdir to data directory
--replace_result $MYSQLD_DATADIR ./ master-data/ ''
--error ER_CANT_CREATE_TABLE
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2), ALGORITHM=COPY;
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);

--error ER_FK_INCORRECT_OPTION
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1), ALGORITHM=INPLACE;

# mysqltest first does replace_regex, then replace_result
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
# Embedded server doesn't chdir to data directory
--replace_result $MYSQLD_DATADIR ./ master-data/ ''
--error ER_CANT_CREATE_TABLE
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1), ALGORITHM=COPY;

ALTER TABLE t1 MODIFY COLUMN c2 BIGINT(12) NOT NULL;
# mysqltest first does replace_regex, then replace_result
--replace_regex /#sql-[0-9a-f_]*`/#sql-temporary`/
# Embedded server doesn't chdir to data directory
--replace_result $MYSQLD_DATADIR ./ master-data/ ''
--error ER_CANT_CREATE_TABLE
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2), ALGORITHM=COPY;
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c1,c2);

ALTER TABLE t2 ADD CONSTRAINT fk_t2_ca
 FOREIGN KEY (c3,c2) REFERENCES t1(c2,c1);

SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;

SHOW CREATE TABLE t1;
SHOW CREATE TABLE t2;
CREATE INDEX i_t2_c2_c1 ON t2(c2, c1);
SHOW CREATE TABLE t2;
CREATE INDEX i_t2_c3_c1_c2 ON t2(c3, c1, c2);
SHOW CREATE TABLE t2;
CREATE INDEX i_t2_c3_c2 ON t2(c3, c2);
SHOW CREATE TABLE t2;
--disable_info

DROP TABLE t2;
DROP TABLE t1;

connect (a,localhost,root,,);
connect (b,localhost,root,,);
connection a;
CREATE TABLE t1 (a INT, b CHAR(1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES (3,'a'),(3,'b'),(1,'c'),(0,'d'),(1,'e');
CREATE TABLE t2 (a INT, b CHAR(1)) ENGINE=InnoDB;
CREATE TABLE t2i (a INT, b CHAR(1) NOT NULL) ENGINE=InnoDB;
CREATE TABLE t2c (a INT, b CHAR(1) NOT NULL) ENGINE=InnoDB;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t2i SELECT * FROM t1;
INSERT INTO t2c SELECT * FROM t1;
connection b;
BEGIN;
# This acquires a MDL lock on t1 until commit.
SELECT * FROM t1;
connection a;
# This times out before of the MDL lock held by connection b.
SET lock_wait_timeout=1;
--error ER_LOCK_WAIT_TIMEOUT
CREATE INDEX t1a ON t1(a);
--enable_info
CREATE INDEX t2a ON t2(a);
--disable_info
set @old_sql_mode = @@sql_mode;
# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
# And adding a PRIMARY KEY will also add NOT NULL implicitly!
set @@sql_mode = 'STRICT_TRANS_TABLES';
--enable_info
ALTER TABLE t2i ADD PRIMARY KEY(a,b), ADD INDEX t2a(a), ALGORITHM=INPLACE;
--disable_info
set @@sql_mode = @old_sql_mode;
--enable_info
ALTER TABLE t2c ADD PRIMARY KEY(a,b), ADD INDEX t2a(a), ALGORITHM=COPY;
--disable_info
connection b;
# t2i and t2c are too new for this transaction, because they were rebuilt
--error ER_TABLE_DEF_CHANGED
SELECT * FROM t2i;
--error ER_TABLE_DEF_CHANGED
SELECT * FROM t2i FORCE INDEX(t2a) ORDER BY a;
--error ER_TABLE_DEF_CHANGED
SELECT * FROM t2c;
--error ER_TABLE_DEF_CHANGED
SELECT * FROM t2c FORCE INDEX(t2a) ORDER BY a;
# In t2, only the new index t2a is too new for this transaction.
SELECT * FROM t2;
--error ER_TABLE_DEF_CHANGED
SELECT * FROM t2 FORCE INDEX(t2a) ORDER BY a;
SELECT * FROM t2;
COMMIT;
# For a new transaction, all of t2, t2i, t2c are accessible.
SELECT * FROM t2;
SELECT * FROM t2 FORCE INDEX(t2a) ORDER BY a;
SELECT * FROM t2i;
SELECT * FROM t2i FORCE INDEX(t2a) ORDER BY a;
SELECT * FROM t2c;
SELECT * FROM t2c FORCE INDEX(t2a) ORDER BY a;
connection default;
disconnect a;
disconnect b;

--error ER_DUP_KEYNAME
alter table t2 add index t2a(b);
alter table t2 drop index t2a, add index t2a(b);
show create table t2;
show create table t2i;
show create table t2c;

--disable_info

DROP TABLE t1,t2,t2c,t2i;
--echo #
--echo # Bug #17657223	EXCESSIVE TEMPORARY FILE USAGE IN ALTER TABLE
--echo #

SET GLOBAL innodb_monitor_enable = module_ddl;
let $innodb_metrics_select=
SELECT name, count_reset FROM INFORMATION_SCHEMA.INNODB_METRICS WHERE
subsystem = 'ddl' and count_reset > 0;

# Table with Blob data.
create table t1(f1 int not null, f2 blob)engine=innodb;
insert into t1 values(1, repeat('a',20000));
--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 force;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;
drop table t1;

# Table with small data.
create table t1(f1 int not null, f2 int not null,
primary key(f1))engine=innodb;
insert into t1 values(1,2), (3,4);
--echo # Add Secondary index.
--echo # Skip temp file usage due to small table size
--enable_info
alter table t1 add key(f2);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;
drop table t1;

# Table with large data which is greater than sort buffer
create table t480(a serial)engine=innodb;
insert into t480
values(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),(),
(),(),(),(),(),(),(),();
insert into t480 select 0 from t480;
insert into t480 select 0 from t480;
insert into t480 select 0 from t480;
insert into t480 select 0 from t480;
create table t1(f1 int auto_increment not null,
		f2 char(200) not null, f3 char(200) not null,
		f4 char(200) not null,primary key(f1))engine=innodb;
insert into t1 select NULL,'aaa','bbb','ccc' from t480;
insert into t1 select NULL,'aaaa','bbbb','cccc' from t480;
insert into t1 select NULL,'aaaaa','bbbbb','ccccc' from t480;
insert into t1 select NULL,'aaaaaa','bbbbbb','cccccc' from t480;
insert into t1 select NULL,'aaaaaaa','bbbbbbb','ccccccc' from t480;
insert into t1 select NULL,'aaaaaaaa','bbbbbbbb','cccccccc' from t480;
select count(*) from t1;

--echo # Skip sort
--echo # Change PK from (f1) to (f1,f2,f3,f4)
--enable_info
alter table t1 drop primary key, add primary key(f1,f2,f3,f4);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;


# Temp file not used during clustered index rebuild
# for the following alter table commands.

--echo # Skip sort
--echo # Change PK from (f1,f2,f3,f4) to (f1,f2,added_columns)
--enable_info
alter table t1 drop primary key,add column f5 int not null,
add column f6 int not null,add primary key(f1,f2,f5,f6);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Change PK from (f1,f2,f5,f6) to (f1,f2,f5)
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop column f6;
--enable_info
alter table t1 drop column f6, drop primary key, add primary key(f1,f2,f5);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same PK
--enable_info
alter table t1 add column f6 int;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 drop column f6;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Must sort
--echo # Change PK from (f1,f2,f5) to (f1,f5)
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop column f2;
--enable_info
alter table t1 drop column f2, drop primary key, add primary key(f1,f5);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 add column f2n int after f1, drop primary key, add
primary key (f1,f5,f2n);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 change f5 f2n int not null,change f2n f5 int not null,
add column f8 int not null;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Change PK from (f1,f4,f2n) to (f1,f4,added_column,f2n)
--enable_info
alter table t1 add column f7 int, drop primary key,
add primary key (f1,f5,f7,f2n);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 force;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 row_format=compact;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Reusing the same pk
--enable_info
alter table t1 engine=innodb;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Optimize table
--enable_info
optimize table t1;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Sort files used for adding secondary index
--enable_info
alter table t1 drop primary key, add primary key(f1,f5,f7), add index
i(f3);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # No sort files used for dropping secondary index
--enable_info
alter table t1 drop primary key, add primary key(f1,f5),drop index i;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Change PK(f1,f5) to (f1,added_columns) and drop f5
--enable_info
alter table t1 drop primary key, add primary key(f1,f12),
drop column f5, add column f12 int not null;
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Must sort
--echo # Change PK(f1,f12) to (f1,existing_columns)
--enable_info
alter table t1 drop primary key, add primary key(f1,f3);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort
--echo # Change PK(f1,f3) to (f1,added_column,f3,added_column)
--enable_info
alter table t1 drop primary key, add column f3n int,
add column f4n int, add primary key(f1,f3n,f3,f4n);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Adding Secondary index alone.
--enable_info
alter table t1 add key(f1);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Must sort
--echo # Change PK(f1,f3) to (existing_column,f1)
--enable_info
alter table t1 drop primary key, add primary key(f4,f1);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort for PK.
--echo # Change PK(f4,f1) to (added_columns,f4,f1)
--echo # Secondary index rebuild happens
--enable_info
alter table t1 drop primary key, add column f5n int,
add column f6n int, add primary key(f5n,f6n,f4,f1);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

--echo # Skip sort for PK.
--echo # Change PK(f5n,f6n,f4,f1) to
--echo # (added_columns,f5n,added_column,f6n,f4,f1)
--echo # Secondary index rebuild happens
--enable_info
alter table t1 drop primary key, add column f7n int,
add column f8n int, add primary key(f7n,f5n,f8n,f6n,f4,f1);
--disable_info
eval $innodb_metrics_select;
SET GLOBAL innodb_monitor_reset = module_ddl;

SET GLOBAL innodb_monitor_disable = module_ddl;
select count(*) from t1;
drop table t1;
--disable_warnings
SET GLOBAL innodb_monitor_reset = default;
SET GLOBAL innodb_monitor_enable = default;
SET GLOBAL innodb_monitor_disable = default;
--enable_warnings

--echo # Bug#19163915 INNODB: DUPLICATE RECORDS COULD EXIST
--echo # WHEN SKIPPING SORT FOR CLUSTER INDEX

# last mtuple in previous buffer and first mtuple in next buffer
#	are equal.
SELECT @@innodb_sort_buffer_size;
create table t1(f1 int auto_increment not null,
		f2 char(200) not null, f3 char(200) not null,
		f4 char(200) not null,primary key(f1,f2,f3,f4));
insert into t1 select NULL,'aaa','bbb','ccc' from t480;
insert into t1 values(106, 'aaa','bbb','cccc');
select count(*) from t1;
--echo # Skip sort
--echo # Change PK from (f1,f2,f3,f4) to (f1,f2,f3)
--error ER_DUP_ENTRY
alter table t1 drop primary key, add primary key(f1,f2,f3);
select count(*) from t1;
drop table t1;

# Duplicates exist with in the buffer
create table t1(f1 int auto_increment not null,
		f2 char(200) not null, f3 char(200) not null,
		f4 char(200) not null,primary key(f1,f2,f3,f4));
insert into t1 select NULL,'aaa','bbb','ccc' from t480;
insert into t1 values(108,'aaa','bbb','cccc');
select count(*) from t1;
--error ER_DUP_ENTRY
alter table t1 drop primary key, add primary key(f1,f2,f3);
select count(*) from t1;
drop table t1, t480;

--echo #
--echo # Bug #19896922	SORTING SKIPPED WHEN PREFIX LENGTH OF THE PK
--echo #		FIELD IS CHANGED
--echo #

# Prefix length changes for the varchar column.
create table t1(a int not null, b varchar(30) not null,
		primary key (b(10), a)) engine = innodb;
insert into t1 values(0,'khdHps6UxW8Lwaoxa604oK6zkb'),(1,'khdHps6UxW8L');
select * from t1;
alter table t1 drop primary key, add primary key (b(18),a);
select * from t1;
drop table t1;

create table t1(a int not null, b varchar(30) not null,
		primary key (b(10), a)) engine = innodb;
insert into t1 values(0,'khdHps6UxW8Lwaoxa604oK6zkb'),(1,'khdHps6UtW8L');
select * from t1;
alter table t1 drop primary key, add primary key (b(8),a);
select * from t1;
drop table t1;


--echo #
--echo # Bug #21103101	SORTING SKIPPED WHEN DROPPING THE SINGLE
--echo #			COLUMN PRIMARY KEY
--echo #

# Drop primary key column.
create table t1(f1 int not null, f2 int not null,
		primary key (f1), unique key(f1, f2))engine=innodb;
insert into t1 values(1,3), (2,2);
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop column f1;
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop column f1, drop primary key;
# DROP PRIMARY KEY is implied for a single-column PRIMARY KEY
alter table t1 drop column f1, drop key f1;
drop table t1;

# Drop Primary key when lock is none.
create table t1(f1 int not null, f2 int not null,
		primary key (f1), unique key(f1, f2))engine=innodb;
insert into t1 values(1,3), (2,2);
--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
alter table t1 drop primary key, lock=none;
drop table t1;

--echo #
--echo #  BUG#21612714 ALTER TABLE SORTING SKIPPED WHEN CHANGE PK AND DROP
--echo #		LAST COLUMN OF OLD PK
--echo #

# no skip sort cases
# pk(o1,o2) to pk(o1,o3), drop o2
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop primary key, add primary key(o1,o3), drop o2, lock=none;
drop table t1;

# pk(o1,o2) to pk(o3), drop o1, o2
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop o1, drop o2, add primary key(o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(o1,o3)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop primary key, add primary key(o1,o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(o3)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop primary key, add primary key(o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(n1,o3)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 add column n1 int not null, drop primary key, add primary key(n1,o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(o3,n1)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(2,2,1);
alter table t1 add column n1 int not null, drop primary key, add primary key(o3,n1), lock=none;
drop table t1;

# pk(o1,o2) to pk(o2,o1)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
alter table t1 drop primary key, add primary key(o2, o1), lock=none;
drop table t1;

# pk(o1,o2) to pk(o2)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
alter table t1 drop primary key, add primary key(o2), lock=none;
drop table t1;

# pk(o1,o2) to pk(o2,o3)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
alter table t1 drop primary key, add primary key(o2,o3), lock=none;
drop table t1;

# pk(o2,o1) to pk(o2,o3)
create table t1(o1 int, o2 int, o3 int not null, primary key(o2,o1)) engine = innodb;
insert into t1 values(1,1,2),(2,1,1);
alter table t1 drop primary key, add primary key(o2,o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(o1,o3,o2)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop primary key, add primary key(o1,o3,o2), lock=none;
drop table t1;

# pk(o1,o2) to pk(o3,o1,o2)
create table t1(o1 int, o2 int, o3 int not null, primary key(o1,o2)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
alter table t1 drop primary key, add primary key(o3,o1,o2), lock=none;
drop table t1;

# pk(o1,o2,o3) to pk(o1,o3)
create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
alter table t1 drop primary key, add primary key(o1,o3), lock=none;
drop table t1;

# pk(o1,o2,o3) to pk(o2,o3) by drop o1
create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop o1, lock=none;
alter table t1 drop o1, drop primary key, add primary key(o2,o3), lock=none;
drop table t1;

# pk(o1,o2,o3) to pk(o1,o3) by drop o2
create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
insert into t1 values(1,1,2),(1,2,1);
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop o2, lock=none;
alter table t1 drop o2, drop primary key, add primary key(o1,o3), lock=none;
drop table t1;

# pk(o1,o2,o3) to pk(o3) by drop o1,o2
create table t1(o1 int, o2 int, o3 int, primary key(o1,o2,o3)) engine = innodb;
insert into t1 values(1,2,2),(2,1,1);
--error ER_KEY_COLUMN_DOES_NOT_EXITS
alter table t1 drop o1, drop o2, lock=none;
alter table t1 drop o1, drop o2,drop primary key,add primary key(o3),lock=none;
drop table t1;

# no skip sort for prefix change
# pk(o1(2),o2) to pk(o1(3),o2)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
insert into t1 values('abd', 1, 1), ('abc', 2, 2);
alter table t1 drop primary key, add primary key(o1(3), o2), lock=none;
drop table t1;

# pk(o1(2),o2) to pk(o1,o2)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
insert into t1 values('abd', 1, 1), ('abc', 2, 2);
alter table t1 drop primary key, add primary key(o1, o2), lock=none;
drop table t1;

# pk(o1(2),o2) to pk(o1(3),o3)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
insert into t1 values('abd', 1, 1), ('abc', 2, 2);
alter table t1 drop primary key, add primary key(o1(3), o3), lock=none;
drop table t1;

# pk(o1(2),o2) to pk(o1,o3)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(2), o2)) engine = innodb;
insert into t1 values('abd', 1, 1), ('abc', 2, 2);
alter table t1 drop primary key, add primary key(o1, o3), lock=none;
drop table t1;

# pk(o1(3),o2) to pk(o1(2),o2)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(3), o2)) engine = innodb;
insert into t1 values('abc', 2, 1), ('abd', 1, 2);
alter table t1 drop primary key, add primary key(o1(2), o2), lock=none;
drop table t1;

# pk(o1,o2) to pk(o1(2),o2)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1, o2)) engine = innodb;
insert into t1 values('abc', 2, 1), ('abd', 1, 2);
alter table t1 drop primary key, add primary key(o1(2), o2), lock=none;
drop table t1;

# pk(o1(3),o2) to pk(o1(2),o3)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1(3), o2)) engine = innodb;
insert into t1 values('abc', 2, 2), ('abd', 1, 1);
alter table t1 drop primary key, add primary key(o1(2), o3), lock=none;
drop table t1;

# pk(o1,o2) to pk(o1(2),o3)
create table t1(o1 varchar(10), o2 int, o3 int not null, primary key(o1, o2)) engine = innodb;
insert into t1 values('abc', 2, 2), ('abd', 1, 1);
alter table t1 drop primary key, add primary key(o1(2), o3), lock=none;
drop table t1;

# pk(o1,o2(2),o3) to pk(o1,o2(3))
create table t1(o1 int, o2 varchar(10), o3 int, primary key(o1,o2(2),o3)) engine = innodb;
insert into t1 values(1, 'abd', 1), (1, 'abc', 2);
alter table t1 drop primary key, add primary key(o1,o2(3)), lock=none;
drop table t1;

# pk(o1,o2(2),o3) to pk(o1,o2)
create table t1(o1 int, o2 varchar(10), o3 int, primary key(o1,o2(2),o3)) engine = innodb;
insert into t1 values(1, 'abd', 1), (1, 'abc', 2);
alter table t1 drop primary key, add primary key(o1,o2), lock=none;
drop table t1;

# pk(o1(3),o2(3)) to pk(o1(2),o2(3))
create table t1(o1 varchar(10), o2 varchar(10), primary key(o1(3),o2(3))) engine = innodb;
insert into t1 values('abc', 'acd'), ('abd', 'abd');
alter table t1 drop primary key, add primary key(o1(2),o2(3)), lock=none;
drop table t1;

# pk(o1,o2) to pk(o1(2),o2)
create table t1(o1 varchar(10), o2 varchar(10), primary key(o1,o2)) engine = innodb;
insert into t1 values('abc', 'acd'), ('abd', 'abd');
alter table t1 drop primary key, add primary key(o1(2),o2), lock=none;
drop table t1;

# pk(o1(3),o2(3)) to pk(o2(3),o1(3))
create table t1(o1 varchar(10), o2 varchar(10), primary key(o1(3),o2(3))) engine = innodb;
insert into t1 values('abd', 'acd'), ('acd', 'abd');
alter table t1 drop primary key, add primary key(o2(3),o1(3)), lock=none;
drop table t1;

# pk(o1,o2) to pk(o2,o1)
create table t1(o1 varchar(10), o2 varchar(10), primary key(o1,o2)) engine = innodb;
insert into t1 values('abd', 'acd'), ('acd', 'abd');
alter table t1 drop primary key, add primary key(o2,o1), lock=none;
drop table t1;

# no skip sort cases
--source suite/innodb/include/alter_table_pk_no_sort.inc