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Combine GLOBAL and COMMIT namespaces into BACKUP namespace.

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Part of MDEV-5336 Implement LOCK FOR BACKUP

Other things:
- Added printing of MDL locks to DBUG.
This commit is contained in:
Sergey Vojtovich
2018-10-30 00:09:02 +04:00
committed by Monty
parent 7fb9d64989
commit 7a9dfdd8d9
28 changed files with 377 additions and 245 deletions
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32
mysql-test/main/lock_multi.test
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@ -229,7 +229,7 @@ connection writer;
# Sleep a bit till the flush of connection locker is in work and hangs
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "FLUSH TABLES WITH READ LOCK";
--source include/wait_condition.inc
# This must not block.
@ -261,7 +261,7 @@ connection writer;
# Sleep a bit till the flush of connection locker is in work and hangs
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "FLUSH TABLES WITH READ LOCK";
--source include/wait_condition.inc
--error ER_TABLE_NOT_LOCKED
@ -298,10 +298,10 @@ DROP DATABASE mysqltest_1;
# When fixed: Reject dropping db because of the read lock.
connection con1;
# Wait a bit so that the session con2 is in state
# "Waiting for global read lock"
# "Waiting for backup lock"
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock"
where state = "Waiting for backup lock"
and info = "DROP DATABASE mysqltest_1";
--source include/wait_condition.inc
--error ER_CANT_UPDATE_WITH_READLOCK
@ -377,7 +377,7 @@ send flush tables with read lock;
connection con5;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "flush tables with read lock";
--source include/wait_condition.inc
--echo # global read lock is taken
@ -386,7 +386,7 @@ send select * from t2 for update;
connection con5;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "select * from t2 for update";
--source include/wait_condition.inc
--echo # waiting for release of read lock
@ -432,7 +432,7 @@ send update t2 set a = 1;
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "update t2 set a = 1";
--source include/wait_condition.inc
--echo # statement is waiting for release of read lock
@ -454,7 +454,7 @@ send lock tables t2 write;
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "lock tables t2 write";
--source include/wait_condition.inc
--echo # statement is waiting for release of read lock
@ -542,7 +542,7 @@ connection flush;
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "flush tables with read lock";
--source include/wait_condition.inc
alter table t1 add column j int;
@ -550,14 +550,14 @@ connect (insert,localhost,root,,test,,);
connection insert;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "flush tables with read lock";
--source include/wait_condition.inc
--send insert into t1 values (1,2);
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "insert into t1 values (1,2)";
--source include/wait_condition.inc
unlock tables;
@ -565,7 +565,7 @@ connection flush;
--reap
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock" and
where state = "Waiting for backup lock" and
info = "insert into t1 values (1,2)";
--source include/wait_condition.inc
select * from t1;
@ -598,12 +598,12 @@ connection flush;
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock";
where state = "Waiting for backup lock";
--source include/wait_condition.inc
flush tables;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock";
where state = "Waiting for backup lock";
--source include/wait_condition.inc
unlock tables;
connection flush;
@ -664,12 +664,12 @@ connection flush;
connection default;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock";
where state = "Waiting for backup lock";
--source include/wait_condition.inc
flush tables;
let $wait_condition=
select count(*) = 1 from information_schema.processlist
where state = "Waiting for global read lock";
where state = "Waiting for backup lock";
--source include/wait_condition.inc
drop table t1;
connection flush;