set global innodb_compression_algorithm = 1; create table innodb_normal(c1 bigint not null, b char(200)) engine=innodb; create table innodb_compact(c1 bigint not null, b char(200)) engine=innodb row_format=compact page_compressed=1; create table innodb_dynamic(c1 bigint not null, b char(200)) engine=innodb row_format=dynamic page_compressed=1; create table innodb_compressed(c1 bigint not null, b char(200)) engine=innodb row_format=compressed page_compressed=1; ERROR HY000: Can't create table `test`.`innodb_compressed` (errno: 140 "Wrong create options") show warnings; Level Code Message Warning 140 InnoDB: PAGE_COMPRESSED table can't have ROW_TYPE=COMPRESSED Error 1005 Can't create table `test`.`innodb_compressed` (errno: 140 "Wrong create options") Warning 1030 Got error 140 "Wrong create options" from storage engine InnoDB show create table innodb_compact; Table Create Table innodb_compact CREATE TABLE `innodb_compact` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT `page_compressed`=1 show create table innodb_dynamic; Table Create Table innodb_dynamic CREATE TABLE `innodb_dynamic` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC `page_compressed`=1 create table innodb_redundant(c1 bigint not null, b char(200)) engine=innodb row_format=redundant page_compressed=1; ERROR HY000: Can't create table `test`.`innodb_redundant` (errno: 140 "Wrong create options") show warnings; Level Code Message Warning 140 InnoDB: PAGE_COMPRESSED table can't have ROW_TYPE=REDUNDANT Error 1005 Can't create table `test`.`innodb_redundant` (errno: 140 "Wrong create options") Warning 1030 Got error 140 "Wrong create options" from storage engine InnoDB create table innodb_redundant(c1 bigint not null, b char(200)) engine=innodb row_format=redundant; show create table innodb_redundant; Table Create Table innodb_redundant CREATE TABLE `innodb_redundant` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=REDUNDANT alter table innodb_redundant page_compressed=1; ERROR HY000: Table storage engine 'InnoDB' does not support the create option 'PAGE_COMPRESSED' show warnings; Level Code Message Warning 140 InnoDB: PAGE_COMPRESSED table can't have ROW_TYPE=REDUNDANT Error 1478 Table storage engine 'InnoDB' does not support the create option 'PAGE_COMPRESSED' show create table innodb_redundant; Table Create Table innodb_redundant CREATE TABLE `innodb_redundant` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=REDUNDANT alter table innodb_redundant row_format=compact page_compressed=1; show create table innodb_redundant; Table Create Table innodb_redundant CREATE TABLE `innodb_redundant` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT `page_compressed`=1 drop table innodb_redundant; # # MDEV-24455 Assertion `!m_freed_space' failed in mtr_t::start # CREATE TABLE t1 (a TEXT, b TEXT) ENGINE=InnoDB PAGE_COMPRESSED='ON'; BEGIN; INSERT INTO t1 VALUES(REPEAT('x',81),REPEAT('x',8034)); ROLLBACK; DROP TABLE t1; create procedure innodb_insert_proc (repeat_count int) begin declare current_num int; set current_num = 0; while current_num < repeat_count do insert into innodb_normal values(current_num, substring(MD5(RAND()), -64)); set current_num = current_num + 1; end while; end// commit; set autocommit=0; call innodb_insert_proc(5000); commit; set autocommit=1; insert into innodb_compact select * from innodb_normal; insert into innodb_dynamic select * from innodb_normal; update innodb_compact set c1 = c1 + 1; update innodb_dynamic set c1 = c1 + 1; select count(*) from innodb_compact where c1 < 1500000; count(*) 5000 select count(*) from innodb_dynamic where c1 < 1500000; count(*) 5000 # restart update innodb_compact set c1 = c1 + 1; update innodb_dynamic set c1 = c1 + 1; select count(*) from innodb_compact where c1 < 1500000; count(*) 5000 select count(*) from innodb_dynamic where c1 < 1500000; count(*) 5000 set global innodb_compression_algorithm = 0; alter table innodb_compact page_compressed=DEFAULT, algorithm=instant; ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Changing table options requires the table to be rebuilt. Try ALGORITHM=INPLACE alter table innodb_compact page_compressed=DEFAULT; alter table innodb_dynamic page_compressed=DEFAULT, algorithm=instant; ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Changing table options requires the table to be rebuilt. Try ALGORITHM=INPLACE alter table innodb_dynamic page_compressed=DEFAULT; show create table innodb_compact; Table Create Table innodb_compact CREATE TABLE `innodb_compact` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT show create table innodb_dynamic; Table Create Table innodb_dynamic CREATE TABLE `innodb_dynamic` ( `c1` bigint(20) NOT NULL, `b` char(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC update innodb_compact set c1 = c1 + 1; update innodb_dynamic set c1 = c1 + 1; select count(*) from innodb_compact where c1 < 1500000; count(*) 5000 select count(*) from innodb_dynamic where c1 < 1500000; count(*) 5000 drop procedure innodb_insert_proc; drop table innodb_normal; drop table innodb_compact; drop table innodb_dynamic; CREATE TABLE no_compression (id INT NOT NULL, name VARCHAR(200)) ENGINE=InnoDB; SET SESSION innodb_compression_default = 1; CREATE TABLE default_compression (id INT NOT NULL, name VARCHAR(200)) ENGINE=InnoDB; CREATE TABLE explicit_no_compression (id INT NOT NULL, name VARCHAR(200)) ENGINE=InnoDB PAGE_COMPRESSED=0; SHOW CREATE TABLE no_compression; Table Create Table no_compression CREATE TABLE `no_compression` ( `id` int(11) NOT NULL, `name` varchar(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SHOW CREATE TABLE default_compression; Table Create Table default_compression CREATE TABLE `default_compression` ( `id` int(11) NOT NULL, `name` varchar(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 `PAGE_COMPRESSED`='ON' SHOW CREATE TABLE explicit_no_compression; Table Create Table explicit_no_compression CREATE TABLE `explicit_no_compression` ( `id` int(11) NOT NULL, `name` varchar(200) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 `PAGE_COMPRESSED`=0 DROP TABLE no_compression; DROP TABLE default_compression; DROP TABLE explicit_no_compression; SET SESSION innodb_compression_default = 0;