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drop table if exists t1,t2,t3; # # Test ALTER TABLE to and from s3 # create table t1 (a int, b int) engine=aria; insert into t1 select seq,seq+10 from seq_1_to_1000; alter table t1 engine=s3; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 alter table t1 comment="hello"; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='hello' alter table t1 engine=aria; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='hello' alter table t1 engine=s3; alter table t1 engine=innodb; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 COMMENT='hello' select count(*), sum(a), sum(b) from t1; count(*) sum(a) sum(b) 1000 500500 510500 drop table t1; # # Test ALTER TABLE to and from s3 with rename # create table t1 (a int, b int) engine=aria select seq as a,seq+10 as b from seq_1_to_10; alter table t1 rename to t2, engine=s3; select count(*), sum(a), sum(b) from t2; count(*) sum(a) sum(b) 10 55 155 show create table t2; Table Create Table t2 CREATE TABLE `t2` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 alter table t2 rename to t3, engine=aria; show create table t3; Table Create Table t3 CREATE TABLE `t3` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 select count(*), sum(a), sum(b) from t3; count(*) sum(a) sum(b) 10 55 155 drop table t3; # # Test changing options for a s3 table # create table t1 (a int, b int) engine=aria select seq as a,seq+10 as b from seq_1_to_1000; alter table t1 engine=s3; alter table t1 engine=s3, compression_algorithm="zlib"; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 `compression_algorithm`='zlib' select count(*), sum(a), sum(b) from t1; count(*) sum(a) sum(b) 1000 500500 510500 drop table t1; # # Test ALTER TABLE for S3 # create table t1 (a int, b int) engine=aria select seq as a,seq+10 as b from seq_1_to_10; alter table t1 add column c int, engine=s3; alter table t1 add column d int; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` int(11) DEFAULT NULL, `d` int(11) DEFAULT NULL ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 select count(*), sum(a), sum(b), sum(c), sum(d) from t1; count(*) sum(a) sum(b) sum(c) sum(d) 10 55 155 NULL NULL drop table t1; # # Test ALTER TABLE with locked table for S3 # create table t1 (a int, b int) engine=aria select seq as a,seq+10 as b from seq_1_to_10; lock table t1 write; alter table t1 add column c int, engine=s3; Warnings: Warning 1036 Table 't1' is read only Warning 1213 Deadlock found when trying to get lock; try restarting transaction unlock tables; select count(*), sum(a), sum(b), sum(c) from t1; count(*) sum(a) sum(b) sum(c) 10 55 155 NULL lock table t1 write; ERROR HY000: Table 't1' is read only lock table t1 read; select count(*), sum(a), sum(b), sum(c) from t1; count(*) sum(a) sum(b) sum(c) 10 55 155 NULL unlock tables; drop table t1; # # Test RENAME TABLE # create table t1 (a int, b int) engine=aria select seq as a, seq+10 as b from seq_1_to_10; alter table t1 engine=s3; rename table t1 to t3; alter table t3 rename t2; select count(*), sum(a), sum(b) from t2; count(*) sum(a) sum(b) 10 55 155 select count(*), sum(a), sum(b) from t1; ERROR 42S02: Table 'database.t1' doesn't exist drop table t2;