select * from INFORMATION_SCHEMA.ENGINES where ENGINE="ARIA"; ENGINE SUPPORT COMMENT TRANSACTIONS XA SAVEPOINTS Aria YES Crash-safe tables with MyISAM heritage. Used for internal temporary tables and privilege tables NO NO NO set global default_storage_engine=aria; set session default_storage_engine=aria; set global aria_page_checksum=0; set global aria_log_file_size=4294959104; drop table if exists t1,t2; SET SQL_WARNINGS=1; create table t1 (a int not null, key `a` (a) key_block_size=512); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, KEY `a` (`a`) KEY_BLOCK_SIZE=8192 ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 drop table t1; create table t1 (a varchar(4096), key `a` (a) key_block_size=1000000000000000000); Warnings: Note 1071 Specified key was too long; max key length is 2300 bytes show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` varchar(4096) DEFAULT NULL, KEY `a` (`a`(2300)) KEY_BLOCK_SIZE=8192 ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 drop table t1; create table t1 (a int not null, key `a` (a) key_block_size=1025); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) NOT NULL, KEY `a` (`a`) KEY_BLOCK_SIZE=8192 ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 drop table t1; create table t1 (a int not null, key key_block_size=1024 (a)); 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 '=1024 (a))' at line 1 create table t1 (a int not null, key `a` key_block_size=1024 (a)); 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 'key_block_size=1024 (a))' at line 1 CREATE TABLE t1 ( c1 INT, c2 VARCHAR(300), KEY (c1) KEY_BLOCK_SIZE 1024, KEY (c2) KEY_BLOCK_SIZE 8192 ); INSERT INTO t1 VALUES (10, REPEAT('a', CEIL(RAND(10) * 300))), (11, REPEAT('b', CEIL(RAND() * 300))), (12, REPEAT('c', CEIL(RAND() * 300))), (13, REPEAT('d', CEIL(RAND() * 300))), (14, REPEAT('e', CEIL(RAND() * 300))), (15, REPEAT('f', CEIL(RAND() * 300))), (16, REPEAT('g', CEIL(RAND() * 300))), (17, REPEAT('h', CEIL(RAND() * 300))), (18, REPEAT('i', CEIL(RAND() * 300))), (19, REPEAT('j', CEIL(RAND() * 300))), (20, REPEAT('k', CEIL(RAND() * 300))), (21, REPEAT('l', CEIL(RAND() * 300))), (22, REPEAT('m', CEIL(RAND() * 300))), (23, REPEAT('n', CEIL(RAND() * 300))), (24, REPEAT('o', CEIL(RAND() * 300))), (25, REPEAT('p', CEIL(RAND() * 300))), (26, REPEAT('q', CEIL(RAND() * 300))), (27, REPEAT('r', CEIL(RAND() * 300))), (28, REPEAT('s', CEIL(RAND() * 300))), (29, REPEAT('t', CEIL(RAND() * 300))), (30, REPEAT('u', CEIL(RAND() * 300))), (31, REPEAT('v', CEIL(RAND() * 300))), (32, REPEAT('w', CEIL(RAND() * 300))), (33, REPEAT('x', CEIL(RAND() * 300))), (34, REPEAT('y', CEIL(RAND() * 300))), (35, REPEAT('z', CEIL(RAND() * 300))); INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK REPAIR TABLE t1; Table Op Msg_type Msg_text test.t1 repair status OK DELETE FROM t1 WHERE c1 >= 10; CHECK TABLE t1; Table Op Msg_type Msg_text test.t1 check status OK DROP TABLE t1; create table t1 (a int) transactional=0; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 TRANSACTIONAL=0 drop table t1; create table t1 (a int) row_format=dynamic transactional=0; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=DYNAMIC TRANSACTIONAL=0 drop table t1; create table t1 (a int) row_format=dynamic transactional=1; Warnings: Note 1478 Row format set to PAGE because of TRANSACTIONAL=1 option show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE TRANSACTIONAL=1 alter table t1 row_format=PAGE; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE TRANSACTIONAL=1 alter table t1 row_format=DYNAMIC; Warnings: Note 1478 Row format set to PAGE because of TRANSACTIONAL=1 option show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE TRANSACTIONAL=1 alter table t1 transactional=0; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=DYNAMIC TRANSACTIONAL=0 alter table t1 row_format=DYNAMIC; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=DYNAMIC TRANSACTIONAL=0 drop table t1; create table t1 (a int) row_format=PAGE; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE drop table t1; create table t1 (a int) row_format=PAGE TRANSACTIONAL=DEFAULT; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE alter table t1 row_format=DYNAMIC; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=DYNAMIC drop table t1; create table t1 (a int) transactional=0 row_format=FIXED; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=FIXED TRANSACTIONAL=0 alter table t1 transactional=1; Warnings: Note 1478 Row format set to PAGE because of TRANSACTIONAL=1 option show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE TRANSACTIONAL=1 alter table t1 transactional=0; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=FIXED TRANSACTIONAL=0 drop table t1; create table t1 (a int) transactional=0 row_format=FIXED; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=FIXED TRANSACTIONAL=0 alter table t1 transactional=1; Warnings: Note 1478 Row format set to PAGE because of TRANSACTIONAL=1 option show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=PAGE TRANSACTIONAL=1 alter table t1 transactional=0; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 ROW_FORMAT=FIXED TRANSACTIONAL=0 drop table t1; create table `t1` ( t1_name varchar(255) default null, t1_id int(10) unsigned not null auto_increment, key (t1_name), primary key (t1_id) ) engine=aria auto_increment = 1000 default charset=latin1; lock tables t1 write; INSERT INTO `t1` VALUES ('bla',1000),('bla',1001),('bla',1002); check table t1; Table Op Msg_type Msg_text test.t1 check status OK unlock tables; create table t2 like t1; insert into t2 select * from t1; analyze table t2; Table Op Msg_type Msg_text test.t2 analyze status Engine-independent statistics collected test.t2 analyze status Table is already up to date delete from t2; insert into t2 select * from t1; analyze table t2; Table Op Msg_type Msg_text test.t2 analyze status Engine-independent statistics collected test.t2 analyze status Table is already up to date drop table t1,t2; create table t1 (a bigint auto_increment, primary key(a), b char(255), c varchar(20000)); update t1 set b=repeat('a',100) where a between 1 and 100; check table t1; Table Op Msg_type Msg_text test.t1 check status OK update t1 set c=repeat('a',8192*2) where a between 200 and 202; check table t1; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; CREATE TABLE t1 (a int, b int, v varchar(60000)) checksum=1 engine=aria; insert into t1 values (1,1,"aaa"),(1,2,null); checksum table t1; Table Checksum test.t1 1112804611 insert into t1 values (1,3,repeat('c',30000)),(4,4,repeat('a',30000)); update t1 set v="row5" where b=4; delete from t1 where b=3; select a, b, length(v) from t1; a b length(v) 1 1 3 1 2 NULL 4 4 4 drop table t1; CREATE TABLE t1 ( auto int(5) unsigned NOT NULL auto_increment, string char(10) default "hello", tiny tinyint(4) DEFAULT '0' NOT NULL , short smallint(6) DEFAULT '1' NOT NULL , medium mediumint(8) DEFAULT '0' NOT NULL, long_int int(11) DEFAULT '0' NOT NULL, longlong bigint(13) DEFAULT '0' NOT NULL, real_float float(13,1) DEFAULT 0.0 NOT NULL, real_double double(16,4), utiny tinyint(3) unsigned DEFAULT '0' NOT NULL, ushort smallint(5) unsigned zerofill DEFAULT '00000' NOT NULL, umedium mediumint(8) unsigned DEFAULT '0' NOT NULL, ulong int(11) unsigned DEFAULT '0' NOT NULL, ulonglong bigint(13) unsigned DEFAULT '0' NOT NULL, time_stamp timestamp, date_field date, time_field time, date_time datetime, blob_col blob, tinyblob_col tinyblob, mediumblob_col mediumblob not null default '', longblob_col longblob not null default '', options enum('one','two','tree') not null , flags set('one','two','tree') not null default '', PRIMARY KEY (auto), KEY (utiny), KEY (tiny), KEY (short), KEY any_name (medium), KEY (longlong), KEY (real_float), KEY (ushort), KEY (umedium), KEY (ulong), KEY (ulonglong,ulong), KEY (options,flags) ) engine=aria; insert into t1 values (10,1,1,1,1,1,1,1,1,1,1,1,1,1,NULL,0,0,0,1,1,1,1,'one','one'); create table t2 (primary key (auto)) engine=aria row_format=page select auto+1 as auto,1 as t1, 'a' as t2, repeat('a',256) as t3, binary repeat('b',256) as t4, repeat('a',4096) as t5, binary repeat('b',4096) as t6, '' as t7, binary '' as t8 from t1; check table t1,t2; Table Op Msg_type Msg_text test.t1 check status OK test.t2 check status OK select t1,t2,length(t3),length(t4),length(t5),length(t6),t7,t8 from t2; t1 t2 length(t3) length(t4) length(t5) length(t6) t7 t8 1 a 256 256 4096 4096 drop table t2; create table t2 (primary key (auto)) engine=aria row_format=dynamic select auto+1 as auto,1 as t1, 'a' as t2, repeat('a',256) as t3, binary repeat('b',256) as t4, repeat('a',4096) as t5, binary repeat('b',4096) as t6, '' as t7, binary '' as t8 from t1; check table t2; Table Op Msg_type Msg_text test.t2 check status OK drop table t1,t2; CREATE TABLE t1 (seq int, s1 int, s2 blob); insert into t1 values (1, 1, MD5(1)); update t1 set s1=2 where seq=1; check table t1 extended; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; select lower(variable_name) as Variable_name, Variable_value as Value from information_schema.session_variables where variable_name like "aria%" order by 1; Variable_name Value aria_block_size # aria_checkpoint_interval # aria_checkpoint_log_activity # aria_encrypt_tables # aria_force_start_after_recovery_failures # aria_group_commit # aria_group_commit_interval # aria_log_file_size # aria_log_purge_type # aria_max_sort_file_size # aria_pagecache_age_threshold # aria_pagecache_buffer_size # aria_pagecache_division_limit # aria_pagecache_file_hash_size # aria_page_checksum # aria_recover_options # aria_repair_threads # aria_sort_buffer_size # aria_stats_method # aria_sync_log_dir # aria_used_for_temp_tables # show status like 'aria%'; Variable_name Value Aria_pagecache_blocks_not_flushed # Aria_pagecache_blocks_unused # Aria_pagecache_blocks_used # Aria_pagecache_read_requests # Aria_pagecache_reads # Aria_pagecache_write_requests # Aria_pagecache_writes # Aria_transaction_log_syncs # create table t1 (b char(0)); insert into t1 values(NULL),(""); select length(b) from t1; length(b) NULL 0 alter table t1 add column c char(0), add key (c); insert into t1 values("",""),("",NULL); select length(b),length(c) from t1; length(b) length(c) NULL NULL 0 NULL 0 0 0 NULL select length(b),length(c) from t1 where c is null; length(b) length(c) NULL NULL 0 NULL 0 NULL select length(b),length(c) from t1 where c is not null; length(b) length(c) 0 0 select length(b),length(c) from t1 order by c; length(b) length(c) NULL NULL 0 NULL 0 NULL 0 0 alter table t1 add column d char(0) not null, add key (d); ERROR 42000: The storage engine Aria can't index column `d` drop table t1; CREATE TABLE t1 (a bit(3)); insert into t1 values (NULL),(0),(1),(2),(3),(4),(5),(6),(7); select hex(a) from t1; hex(a) NULL 0 1 2 3 4 5 6 7 drop table t1; create table t1(a bit not null); insert into t1 values(0),(1); select a+0 from t1; a+0 0 1 drop table t1; CREATE TABLE t1 (col1 int, s1 char(16) DEFAULT NULL, s2 char(16) DEFAULT NULL, KEY (s1,s2)); insert into t1 (col1) values(0); drop table t1; set global aria_page_checksum=1; create table t1 (a int); show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 set global aria_page_checksum=0; drop table t1; set global aria_log_file_size=4294967296; Warnings: Warning 1292 Truncated incorrect aria_log_file_size value: '4294967296' create table t1 (a int not null); lock tables t1 write; insert into t1 values (1),(2); delete from t1; unlock tables; select * from t1; a insert into t1 values (1),(2); delete from t1; select * from t1; a drop table t1; create table t1 (c int); insert into t1 values(1),(2); create table t2 select * from t1; create table t3 select * from t1, t2; ERROR 42S21: Duplicate column name 'c' create table t3 select t1.c AS c1, t2.c AS c2,1 as "const" from t1, t2; drop table t1, t2, t3; create table t1 (t datetime) engine=aria; insert into t1 values (101),(691231),(700101),(991231),(10000101),(99991231),(101000000),(691231000000),(700101000000),(991231235959),(10000101000000),(99991231235959),(20030100000000),(20030000000000); select * from t1; t 2000-01-01 00:00:00 2069-12-31 00:00:00 1970-01-01 00:00:00 1999-12-31 00:00:00 1000-01-01 00:00:00 9999-12-31 00:00:00 2000-01-01 00:00:00 2069-12-31 00:00:00 1970-01-01 00:00:00 1999-12-31 23:59:59 1000-01-01 00:00:00 9999-12-31 23:59:59 2003-01-00 00:00:00 2003-00-00 00:00:00 optimize table t1; Table Op Msg_type Msg_text test.t1 optimize status OK check table t1; Table Op Msg_type Msg_text test.t1 check status OK delete from t1 where t > 0; optimize table t1; Table Op Msg_type Msg_text test.t1 optimize status OK check table t1; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'; CREATE TABLE t1 (id int(11) PRIMARY KEY auto_increment,f1 varchar(10) NOT NULL UNIQUE); INSERT IGNORE INTO t1 (f1) VALUES ("test1"); INSERT IGNORE INTO t1 (f1) VALUES ("test1"); Warnings: Warning 1062 Duplicate entry 'test1' for key 'f1' INSERT IGNORE INTO t1 (f1) VALUES ("test2"); SELECT * FROM t1; id f1 1 test1 2 test2 drop table t1; SET SQL_MODE = ''; create table t1 (n int not null primary key auto_increment, c char(1), unique(c)); insert into t1 values(100, "a"); insert into t1 values(300, "b"); insert into t1 values(50, "a"); ERROR 23000: Duplicate entry 'a' for key 'c' insert into t1 values(null, "c"); select * from t1; n c 100 a 300 b 301 c update t1 set n=400,c='a' where n=301; ERROR 23000: Duplicate entry 'a' for key 'c' insert into t1 values(null, "d"); select * from t1; n c 100 a 300 b 301 c 302 d drop table t1; create table t1 (n int not null primary key auto_increment, c char(1), unique(c)) transactional=0 row_format=dynamic; insert into t1 values(100, "a"); insert into t1 values(300, "b"); insert into t1 values(50, "a"); ERROR 23000: Duplicate entry 'a' for key 'c' insert into t1 values(null, "c"); select * from t1; n c 100 a 300 b 301 c update t1 set n=400,c='a' where n=301; ERROR 23000: Duplicate entry 'a' for key 'c' insert into t1 values(null, "d"); select * from t1; n c 100 a 300 b 301 c 302 d drop table t1; create table t1 (n int not null, c char(1)) engine=aria; alter table t1 engine=myisam; alter table t1 engine=aria; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `n` int(11) NOT NULL, `c` char(1) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 drop table t1; create table t1 (n int not null, c char(1)) engine=aria transactional=1; alter table t1 engine=myisam; Warnings: Warning 1478 Table storage engine 'MyISAM' does not support the create option 'TRANSACTIONAL=1' alter table t1 engine=aria; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `n` int(11) NOT NULL, `c` char(1) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 TRANSACTIONAL=1 drop table t1; create table t1 (n int not null, c char(1)) engine=myisam transactional=1; Warnings: Warning 1478 Table storage engine 'MyISAM' does not support the create option 'TRANSACTIONAL=1' alter table t1 engine=aria; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `n` int(11) NOT NULL, `c` char(1) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=0 TRANSACTIONAL=1 drop table t1; create table t1 (a int, key(a)) transactional=0; insert into t1 values (0),(1),(2),(3),(4); insert into t1 select NULL from t1; check table t1; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; create temporary table t1 (a int, key(a)) transactional=1; create temporary table t2 (a int, key(a)) transactional=1; insert into t1 values (0),(1),(2),(3),(4); insert into t2 select * from t1; insert into t1 select NULL from t2; select count(*) from t1; count(*) 10 select count(*) from t1 where a >= 4; count(*) 1 drop table t1, t2; create temporary table t1 (a int, key(a)) transactional=0 row_format=page; create temporary table t2 (a int, key(a)) transactional=0 row_format=page; insert into t1 values (0),(1),(2),(3),(4); insert into t2 select * from t1; insert into t1 select NULL from t2; select count(*) from t1; count(*) 10 select count(*) from t1 where a >= 4; count(*) 1 drop table t1, t2; create temporary table t1 (a int, key(a)) transactional=0 row_format=fixed; create temporary table t2 (a int, key(a)) transactional=0 row_format=dynamic; insert into t1 values (0),(1),(2),(3),(4); insert into t2 select * from t1; insert into t1 select NULL from t2; select count(*) from t1; count(*) 10 select count(*) from t1 where a >= 4; count(*) 1 drop table t1, t2; create table t1 (i int auto_increment not null primary key) transactional=0; check table t1 extended; Table Op Msg_type Msg_text test.t1 check status OK delete from t1 where i = 10; check table t1 extended; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; create table t1 (i int auto_increment not null primary key); check table t1 extended; Table Op Msg_type Msg_text test.t1 check status OK delete from t1 where i = 10; check table t1 extended; Table Op Msg_type Msg_text test.t1 check status OK drop table t1; CREATE TABLE t1(a VARCHAR(20), FULLTEXT(a)) transactional=0; INSERT INTO t1 VALUES('Offside'),('City Of God'); SELECT a FROM t1 WHERE MATCH a AGAINST ('+city of*' IN BOOLEAN MODE); a City Of God SELECT a FROM t1 WHERE MATCH a AGAINST ('+city (of)*' IN BOOLEAN MODE); a City Of God DROP TABLE t1; create table t1(a int) engine=aria transactional=1; select CREATE_OPTIONS from information_schema.TABLES where TABLE_SCHEMA='test' and TABLE_NAME='t1'; CREATE_OPTIONS transactional=1 drop table t1; create table t1 (a int, unique(a)) engine=aria transactional=1; insert into t1 values(1); insert into t1 values(2),(2); ERROR 23000: Duplicate entry '2' for key 'a' create table t2 (a int, unique(a)) engine=aria transactional=0 row_format=dynamic; insert into t2 values(1); insert into t2 values(2),(2); ERROR 23000: Duplicate entry '2' for key 'a' connect root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK; connection root; insert into t1 values(3); insert into t2 values(3); connection default; drop table t1, t2; CREATE TABLE t1 ( a INT PRIMARY KEY, b CHAR(255), c VARCHAR(2048), d VARCHAR(18990), e CHAR(128), f CHAR(192) ) ENGINE=MyISAM DEFAULT CHARSET=utf8; INSERT INTO t1 VALUES (1,'A','B','C','','D'), (2,'Abcdefghi','E','F','','G'); CREATE TABLE t2 ( g INT PRIMARY KEY, h CHAR(32), i CHAR(255), j TEXT ) ENGINE=MyISAM DEFAULT CHARSET=utf8; INSERT INTO t2 VALUES (1,'M','','H'), (2,'N','','H'); SELECT * FROM t1, t2 WHERE a = g ORDER BY b; a b c d e f g h i j 1 A B C D 1 M H 2 Abcdefghi E F G 2 N H drop table t1,t2; # End of 5.1 tests create table t1 (a int) engine=aria; lock table t1 write; drop table t1;