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MDEV-6497 InnoDB deadlocks on UNINSTALL PLUGIN

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Free the trx of the current thd (if any) in innobase_end()
This commit is contained in:
Sergei Golubchik 2014-07-29 09:09:52 +02:00
parent 0aa40c35ca
commit 6ef139780d
4 changed files with 36 additions and 0 deletions
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13
mysql-test/r/innodb_load_xa.result
View file

@ -4,4 +4,17 @@ Warning 1105 Cannot enable tc-log at run-time. XA features of InnoDB are disable
select engine,support,transactions,xa from information_schema.engines where engine='innodb';
engine support transactions xa
InnoDB YES YES NO
create table t1 (a int) engine=innodb;
start transaction;
insert t1 values (1);
insert t1 values (2);
commit;
show binlog events from <binlog_start>;
Log_name Pos Event_type Server_id End_log_pos Info
mysqld-bin.000001 # Query # # use `test`; create table t1 (a int) engine=innodb
mysqld-bin.000001 # Query # # BEGIN
mysqld-bin.000001 # Query # # use `test`; insert t1 values (1)
mysqld-bin.000001 # Query # # use `test`; insert t1 values (2)
mysqld-bin.000001 # Query # # COMMIT
drop table t1;
uninstall plugin innodb;

7
mysql-test/t/innodb_load_xa.test
View file

@ -8,4 +8,11 @@ if (!$HA_INNODB_SO) {
}
install plugin innodb soname 'ha_innodb';
select engine,support,transactions,xa from information_schema.engines where engine='innodb';
create table t1 (a int) engine=innodb;
start transaction;
insert t1 values (1);
insert t1 values (2);
commit;
--source include/show_binlog_events.inc
drop table t1;
uninstall plugin innodb;

8
storage/innobase/handler/ha_innodb.cc
View file

@ -2658,6 +2658,14 @@ innobase_end(
if (innodb_inited) {
THD *thd= current_thd;
if (thd) { // may be UNINSTALL PLUGIN statement
trx_t* trx = thd_to_trx(thd);
if (trx) {
trx_free_for_mysql(trx);
}
}
srv_fast_shutdown = (ulint) innobase_fast_shutdown;
innodb_inited = 0;
hash_table_free(innobase_open_tables);

8
storage/xtradb/handler/ha_innodb.cc
View file

@ -3276,6 +3276,14 @@ innobase_end(
if (innodb_inited) {
THD *thd= current_thd;
if (thd) { // may be UNINSTALL PLUGIN statement
trx_t* trx = thd_to_trx(thd);
if (trx) {
trx_free_for_mysql(trx);
}
}
srv_fast_shutdown = (ulint) innobase_fast_shutdown;
innodb_inited = 0;
hash_table_free(innobase_open_tables);