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--source include/have_sequence.inc
--source include/have_innodb.inc
drop table if exists t1;
--echo #
--echo # Test alter sequence
--echo #
CREATE SEQUENCE t1 nocache engine=myisam;
select * from t1;
select next value for t1;
alter sequence t1 start=50;
show create sequence t1;
select * from t1;
select next value for t1;
alter sequence t1 minvalue=-100;
show create sequence t1;
select * from t1;
--error ER_SEQUENCE_INVALID_DATA
alter sequence t1 minvalue=100 start=100;
alter sequence t1 minvalue=100 start=100 restart=100;
show create sequence t1;
select * from t1;
alter sequence t1 maxvalue=500;
show create sequence t1;
select * from t1;
drop sequence t1;
CREATE SEQUENCE t1 engine=myisam;
alter sequence t1 nocache;
show create sequence t1;
alter sequence t1 cache=100;
flush tables;
show create sequence t1;
alter sequence t1 nocache;
show create sequence t1;
flush tables;
show create sequence t1;
select * from t1;
select next value for t1;
select next value for t1;
select next value for t1;
select next_not_cached_value, cycle_count from t1;
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100 engine=myisam;
alter sequence t1 no maxvalue;
show create sequence t1;
select * from t1;
alter sequence t1 cycle;
show create sequence t1;
alter sequence t1 nocycle;
alter sequence t1 start=15 restart minvalue=10 maxvalue=20 cycle;
show create sequence t1;
select * from t1;
select NEXT VALUE for t1 from seq_1_to_10;
alter sequence t1 restart with 17 minvalue=10 maxvalue=20 cycle;
select NEXT VALUE for t1 from seq_1_to_10;
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100;
alter sequence t1 increment=-2 start with 50 minvalue=-100;
show create sequence t1;
select * from t1;
select NEXT VALUE for t1 from seq_1_to_10;
drop sequence t1;
--echo #
--echo # InnoDB (some things work different with InnoDB)
--echo
CREATE SEQUENCE t1 cache 10 engine=innodb;
select * from t1;
select next value for t1;
alter sequence t1 start=100;
show create sequence t1;
select * from t1;
select next value for t1;
drop sequence t1;
--echo #
--echo # ALTER TABLE
--echo #
CREATE SEQUENCE t1 engine=innodb;
select next value for t1;
alter table t1 rename t2;
select next value for t2;
rename table t2 to t1;
select next value for t1;
alter table t1 comment="foo";
show create sequence t1;
alter table t1 engine=myisam;
show create sequence t1;
alter table t1 engine=innodb;
show create sequence t1;
select * from t1;
drop sequence t1;
#
# Some error testing
#
CREATE SEQUENCE t1 engine=myisam;
--error ER_SEQUENCE_INVALID_DATA
alter sequence t1 minvalue=100;
drop sequence t1;
CREATE SEQUENCE t1 engine=myisam;
--error ER_SEQUENCE_INVALID_DATA
alter sequence t1 minvalue=25 maxvalue=20;
drop sequence t1;
create table t1 (a int);
--error ER_NOT_SEQUENCE
alter sequence t1 minvalue=100;
drop table t1;
--error ER_UNKNOWN_SEQUENCES
alter sequence if exists t1 minvalue=100;
--error ER_UNKNOWN_SEQUENCES
alter sequence t1 minvalue=100;
create sequence t1;
--error ER_PARSE_ERROR
alter sequence t1;
drop sequence t1;
CREATE SEQUENCE t1 maxvalue=100;
alter sequence t1 increment=-2 start with 50;
select next value for t1;
--error ER_SEQUENCE_RUN_OUT
select next value for t1;
select * from t1;
alter sequence t1 restart;
select next value for t1;
alter sequence t1 restart with 90;
select next value for t1;
drop sequence t1;
#
# MDEV-19977 Assertion `(0xFUL & mode) == LOCK_S || (0xFUL & mode) == LOCK_X'
# failed in lock_rec_lock
#
CREATE SEQUENCE t1 engine=innodb;
--error ER_SEQUENCE_INVALID_TABLE_STRUCTURE
ALTER IGNORE TABLE t1 ADD CHECK (start_value < minimum_value);
DROP SEQUENCE t1;
#
# MDEV-19320 Sequence gets corrupted and produces ER_KEY_NOT_FOUND (Can't
# find record) after ALTER .. ORDER BY
#
CREATE SEQUENCE s;
--error ER_SEQUENCE_INVALID_TABLE_STRUCTURE
ALTER TABLE s ORDER BY cache_size;
SELECT NEXTVAL(s);
DROP SEQUENCE s;
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