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----------------------------------------------------------
revno: 2630.4.35
committer: Konstantin Osipov <konstantin@mysql.com>
branch nick: mysql-6.0-3726
timestamp: Wed 2008-06-25 16:44:00 +0400
message:
  Fix a MyISAM-specific bug in the new implementation of
  LOCK TABLES (WL#3726).
  If more than one instance of a MyISAM table are open in the
  same connection, all of them must share the same status_param.
  Otherwise, unlock of a table may lead to lost records.
  See also comments in thr_lock.c.
This commit is contained in:
Konstantin Osipov
2009-12-02 23:47:23 +03:00
parent edddfa0ef4
commit 416a626368
5 changed files with 76 additions and 6 deletions
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18
mysql-test/t/lock.test
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@@ -291,6 +291,24 @@ select * from t1;
unlock tables;
drop table t1, t2;
--echo #
--echo # Ensure that mi_copy_status is called for two instances
--echo # of the same table when it is reopened after a flush.
--echo #
--disable_warnings
drop table if exists t1;
drop view if exists v1;
--enable_warnings
create table t1 (c1 int);
create view v1 as select * from t1;
lock tables t1 write, v1 write;
flush table t1;
insert into t1 values (33);
flush table t1;
select * from t1;
unlock tables;
drop table t1;
drop view v1;
--echo #
--echo # End of 6.0 tests.