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two-line fix for BUG#6732 "FLUSH TABLES WITH READ LOCK + COMMIT makes next FLUSH...LOCK hang forever"

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(originally reported as "second run of innobackup hangs forever and can even hang server").
Plus testcase for the bugfix and comments about global read locks.
This commit is contained in:
guilhem@mysql.com
2004-11-30 22:20:52 +01:00
parent d58c186759
commit 7219d2be90
3 changed files with 85 additions and 6 deletions
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14
mysql-test/t/flush_block_commit.test
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@@ -45,5 +45,19 @@ reap;
connection con3;
reap;
unlock tables;
# BUG#6732 FLUSH TABLES WITH READ LOCK + COMMIT hangs later FLUSH TABLES
# WITH READ LOCK
connection con2;
commit; # unlock InnoDB row locks to allow insertions
connection con1;
begin;
insert into t1 values(10);
flush tables with read lock;
commit;
unlock tables;
connection con2;
flush tables with read lock; # bug caused hang here
unlock tables;
drop table t1;