72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
################################################################################
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# This test verifies that during in GR the set super_read_only is blocked
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# due to a table being locked. Subsequently, an unlock of the table in another
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# connection will unblock the setting of super_read_only mode and the recovery
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# proceeds further.
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#
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# Test:
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# 0. The test requires two servers: M1 and M2.
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# 1. With both members ONLINE. Group replication is then blocked on one of
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# the node M1.
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# 2. Add some data on the remaining member of the GROUP.
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# 3. On the member which is not a member of the GROUP lock the table and start
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# GR so that it enters the recovering stage. This should be blocked as the
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# set super_read_only cannot execute further.
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# 4. In another connection unlock the tables and see that the recovery proceeds
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# and the data exists on the two members.
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# 5. Clean up.
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################################################################################
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--source include/big_test.inc
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--source include/not_windows.inc
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--source include/have_group_replication_plugin.inc
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--source include/group_replication.inc
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--connection server2
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CREATE TABLE t1 (i INT PRIMARY KEY);
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--source include/rpl_sync.inc
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--connection server1
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--source include/stop_group_replication.inc
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--connection server2
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INSERT INTO t1 VALUES(1);
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--echo # Add lock tables here to block setting super_read_only mode on server.
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--connection server_1
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LOCK TABLE t1 WRITE;
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--echo # Start GR on the server. It should be blocked as we have a table locked.
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--connection server1
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--disable_query_log
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--eval SET GLOBAL group_replication_group_name= "$group_replication_group_name"
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--enable_query_log
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--send START GROUP_REPLICATION
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--echo # Ensure that the server is actually blocked while setting the
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--echo # super_read_only mode.
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--let $rpl_connection_name= server_1_1
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--source include/rpl_connection.inc
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--let $wait_condition=SELECT COUNT(*)=1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State = 'Waiting for global read lock' and Info = 'PLUGIN: SET GLOBAL super_read_only= 1'
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--source include/wait_condition.inc
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--connection server_1
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UNLOCK TABLES;
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--connection server1
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--reap
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--let $group_replication_member_state= ONLINE
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--source include/gr_wait_for_member_state.inc
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--echo # Add ASSERT to check that the recovery passes successfully and a row
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--echo # is inserted.
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--let $assert_text= There should be one row inserted in the table.
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--let $assert_cond= [SELECT COUNT(*) FROM t1] = 1
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--source include/assert.inc
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--echo # Cleanup
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DROP TABLE t1;
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--source include/group_replication_end.inc
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