database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-14092 NEXTVAL fails on slave

Browse Source 
The problem was that the code in replication didn't distinguish between a
setval() failing because the stored sequence number was bigger than the
current (should have been ignored) and a failure from the storage engine.
This commit is contained in:
Michael Widenius
2017-10-19 13:22:38 +03:00
parent e156db85a7
commit 211f9eea60
5 changed files with 260 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

108
mysql-test/suite/sql_sequence/slave_nextval.result Normal file
View File

@ -0,0 +1,108 @@
include/master-slave.inc
[connection master]
CREATE SEQUENCE s;
INSERT INTO s VALUES (1,1,4,1,1,1,0,0);
show create sequence s;
Table Create Table
s CREATE SEQUENCE `s` start with 1 minvalue 1 maxvalue 4 increment by 1 cache 1 nocycle ENGINE=MyISAM
SELECT NEXTVAL(s);
NEXTVAL(s)
1
connection slave;
SELECT NEXTVAL(s);
NEXTVAL(s)
2
SELECT NEXTVAL(s);
NEXTVAL(s)
3
connection master;
SELECT NEXTVAL(s);
NEXTVAL(s)
2
SELECT NEXTVAL(s);
NEXTVAL(s)
3
SELECT NEXTVAL(s);
NEXTVAL(s)
4
select * from s;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 4 1 1 1 0 0
connection slave;
select * from s;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
5 1 4 1 1 1 0 0
connection master;
DROP SEQUENCE s;
CREATE SEQUENCE s;
INSERT INTO s VALUES (1,1,3,1,1,1,1,0);
show create sequence s;
Table Create Table
s CREATE SEQUENCE `s` start with 1 minvalue 1 maxvalue 3 increment by 1 cache 1 cycle ENGINE=MyISAM
SELECT NEXTVAL(s);
NEXTVAL(s)
1
connection slave;
SELECT NEXTVAL(s);
NEXTVAL(s)
2
SELECT NEXTVAL(s);
NEXTVAL(s)
3
connection master;
SELECT NEXTVAL(s);
NEXTVAL(s)
2
SELECT NEXTVAL(s);
NEXTVAL(s)
3
SELECT NEXTVAL(s);
NEXTVAL(s)
1
select * from s;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
2 1 3 1 1 1 1 1
connection slave;
select * from s;
next_not_cached_value minimum_value maximum_value start_value increment cache_size cycle_option cycle_count
2 1 3 1 1 1 1 1
connection master;
DROP SEQUENCE s;
CREATE SEQUENCE s;
INSERT INTO s VALUES (1,1,3,1,1,1,1,0);
SELECT NEXTVAL(s);
NEXTVAL(s)
1
CREATE PROCEDURE pr(n INT)
BEGIN
DECLARE i INT DEFAULT 0;
WHILE i < n
DO
SELECT NEXTVAL(s);
SELECT NEXTVAL(s);
SELECT NEXTVAL(s);
SET i= i+1;
END WHILE;
END $
connect con1,localhost,root,,;
CALL pr(100);
connect con2,localhost,root,,;
CALL pr(100);
connect con3,localhost,root,,;
CALL pr(100);
connect con4,localhost,root,,;
CALL pr(100);
connect con5,localhost,root,,;
CALL pr(100);
connect con6,localhost,root,,;
CALL pr(100);
connect con7,localhost,root,,;
CALL pr(100);
connect con8,localhost,root,,;
CALL pr(100);
connection master;
connection slave;
connection master;
DROP SEQUENCE s;
DROP PROCEDURE pr;
include/rpl_end.inc