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------------------------------------------------------------
revno: 2476.1116.1
committer: davi@mysql.com/endora.local
timestamp: Fri 2007-12-14 10:10:19 -0200
message:
DROP TABLE under LOCK TABLES simultaneous to a FLUSH TABLES
WITH READ LOCK (global read lock) can lead to a deadlock.

The solution is to not wait for the global read lock if the
thread is holding any locked tables.

Related to bugs 23713 and 32395. This issues is being fixed
only on 6.0 because it depends on the fix for bug 25858 --
which was fixed only on 6.0.
This commit is contained in:
Konstantin Osipov
2009-11-20 23:12:57 +03:00
parent 1b34d593b5
commit 98c4476b49
3 changed files with 51 additions and 10 deletions
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9
mysql-test/r/lock_multi.result
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@ -210,3 +210,12 @@ select @tlwa < @tlwb;
@tlwa < @tlwb
1
End of 5.1 tests
drop table if exists t1;
create table t1 (i int);
connection: default
lock tables t1 write;
connection: flush
flush tables with read lock;;
connection: default
flush tables;
drop table t1;