diff options
Diffstat (limited to 'mysql-test/suite/binlog/t/binlog_autocommit_off_no_hang.test')
-rw-r--r-- | mysql-test/suite/binlog/t/binlog_autocommit_off_no_hang.test | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/mysql-test/suite/binlog/t/binlog_autocommit_off_no_hang.test b/mysql-test/suite/binlog/t/binlog_autocommit_off_no_hang.test new file mode 100644 index 00000000000..8f1dbb2a2dd --- /dev/null +++ b/mysql-test/suite/binlog/t/binlog_autocommit_off_no_hang.test @@ -0,0 +1,45 @@ +# +# Purpose: +# When the mysql.gtid_slave_pos table uses the InnoDB engine, and mysqld +# starts, it reads the table and begins a transaction. After mysqld reads the +# value, it should end the transaction and release all associated locks. +# The bug reported in DBAAS-7828 shows that when autocommit is off, the locks +# are not released, resulting in indefinite hangs on future attempts to change +# gtid_slave_pos. This test ensures its fix such that the locks are properly +# released. +# +# References: +# DBAAS-7828: Primary/replica: configuration change of "autocommit=0" can +# not be applied +# + +--source include/have_innodb.inc +--source include/have_log_bin.inc + +# Reading gtid_slave_pos table is format independent so just use one for +# reduced test time +--source include/have_binlog_format_row.inc + +--let old_slave_pos_engine= query_get_value(SHOW TABLE STATUS FROM mysql LIKE 'gtid_slave_pos', Engine, 1) + +# Use a transactional engine +ALTER TABLE mysql.gtid_slave_pos ENGINE=innodb; + +--echo # Restart the server so mysqld reads the gtid_slave_pos using innodb +--exec echo "wait" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect +--shutdown_server +--source include/wait_until_disconnected.inc +--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect +--enable_reconnect +--source include/wait_until_connected_again.inc + +--echo # Set gtid_slave_pos should not hang +SET GLOBAL gtid_slave_pos=@@gtid_binlog_pos; +COMMIT; + +# Revert table type +--disable_query_log +--eval ALTER TABLE mysql.gtid_slave_pos ENGINE=$old_slave_pos_engine +--enable_query_log + +RESET MASTER; |