diff options
Diffstat (limited to 'mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test')
| -rw-r--r-- | mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test | 58 |
1 files changed, 44 insertions, 14 deletions
diff --git a/mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test b/mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test index 3754cff0123..0d2a6effd92 100644 --- a/mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test +++ b/mysql-test/suite/galera/t/galera_var_innodb_disallow_writes.test @@ -1,41 +1,71 @@ # # This test checks that innodb_disallow_writes works as expected # +# Note that we need to enable binlog for this test: If the commit +# to InnoDB is done in one phase, the transaction is committed in +# memory before it is persisted to disk. This means that the +# innodb_disallow_writes=ON may not prevent transaction to +# become visible to other readers. On the other hand, if the +# commit is two phase (as it is with binlog), the transaction +# will be blocked in prepare phase. +# --source include/galera_cluster.inc +--source include/have_innodb.inc + +--let $datadir= `SELECT @@datadir` + # Open a separate connection to be used to run SHOW PROCESSLIST ---connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1 +--let $galera_connection_name = node_1a +--let $galera_server_number = 1 +--source include/galera_connect.inc --connection node_1a SET SESSION wsrep_sync_wait = 0; --connection node_1 -CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB; +CREATE TABLE t1 (f1 INTEGER, f2 varchar(1024)) Engine=InnoDB; +CREATE TABLE ten (f1 INTEGER) ENGINE=InnoDB; +INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10); + SET GLOBAL innodb_disallow_writes=ON; ---send INSERT INTO t1 VALUES (1); +--exec find $datadir -type f-exec md5sum {} \; | md5sum >$MYSQLTEST_VARDIR/tmp/innodb_before + +# +# This insert has no effect before innodb_disallow_writes is OFF +# +--send INSERT INTO t1 (f2) SELECT 'abcde ' FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4; + +--connection node_2 +INSERT INTO t1 (f2) SELECT 'fghij ' FROM ten AS a1, ten AS a2, ten AS a3, ten AS a4; +SELECT COUNT(*) AS EXPECT_10000 FROM t1; --connection node_1a ---let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t1'; ---source include/wait_condition.inc -SELECT COUNT(*) AS EXPECT_0 FROM t1; -let $wait_condition = SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'INSERT INTO t1 VALUES (1)'; ---source include/wait_condition.inc -SELECT COUNT(*) AS EXPECT_0 FROM t1; +--sleep 5 + +--exec find $datadir -type f-exec md5sum {} \; | md5sum >$MYSQLTEST_VARDIR/tmp/innodb_after SET GLOBAL innodb_disallow_writes=OFF; --connection node_1 --reap -SELECT COUNT(*) AS EXPECT_1 FROM t1; +--let $wait_condition = SELECT COUNT(*) = 20000 FROM t1; +--source include/wait_condition.inc + +SELECT COUNT(*) AS EXPECT_20000 FROM t1; --connection node_2 ---let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t1'; ---source include/wait_condition.inc ---let $wait_condition = SELECT COUNT(*) = 1 FROM t1; +--let $wait_condition = SELECT COUNT(*) = 20000 FROM t1; --source include/wait_condition.inc -SELECT COUNT(*) AS EXPECT_1 FROM t1; +SELECT COUNT(*) AS EXPECT_20000 FROM t1; + +--connection node_1 +--diff_files $MYSQLTEST_VARDIR/tmp/innodb_before $MYSQLTEST_VARDIR/tmp/innodb_after + +--connection node_2 DROP TABLE t1; +DROP TABLE ten; --disconnect node_1a |