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98 lines
2.1 KiB
Text
98 lines
2.1 KiB
Text
--source include/galera_cluster.inc
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--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/have_debug_sync.inc
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#
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# Test that DDL indeed causes all nodes to block so even unrelated updates
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# are not allowed to proceed. We block the DDL using DBUG_SYNC
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#
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CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
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CREATE TABLE t2 (f1 INTEGER) ENGINE=InnoDB;
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--let $galera_connection_name = node_1a
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--let $galera_server_number = 1
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--source include/galera_connect.inc
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SET SESSION wsrep_sync_wait = 0;
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--let $galera_connection_name = node_1b
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--let $galera_server_number = 1
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--source include/galera_connect.inc
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# node_1c tests write to unrelated table trough a transaction
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--let $galera_connection_name = node_1c
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--let $galera_server_number = 1
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--source include/galera_connect.inc
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--connection node_1
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SET DEBUG_SYNC= 'RESET';
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SET DEBUG_SYNC = 'alter_table_before_open_tables SIGNAL before_open_tables WAIT_FOR continue';
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--send ALTER TABLE t1 ADD COLUMN f2 INTEGER;
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--connection node_1a
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SET DEBUG_SYNC= 'now WAIT_FOR before_open_tables';
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# if we would retry the insert, it would fail for wrong column count
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# on second try
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SET wsrep_retry_autocommit=0;
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# Allowed
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SELECT COUNT(*) = 0 FROM t1;
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# Allowed
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SELECT COUNT(*) = 0 FROM t2;
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# Not allowed, this will hang because of ALTER
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--send INSERT INTO t1 VALUES (1);
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--connection node_1c
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SET SESSION wsrep_sync_wait = 0;
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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# Allowed
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SELECT COUNT(*) = 0 FROM t1;
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# Allowed
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SELECT COUNT(*) = 0 FROM t2;
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# Allowed (until commit)
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INSERT INTO t2 VALUES (1);
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# Hangs
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--send COMMIT;
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--connection node_1b
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SET SESSION wsrep_sync_wait = 0;
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# The Commit issued above is still not done
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--sleep 1
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SELECT COUNT(*) = 0 FROM t2;
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SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE INFO = 'Commit';
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SET DEBUG_SYNC= 'now SIGNAL continue';
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--connection node_1a
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--error ER_LOCK_DEADLOCK
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--reap
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--connection node_1c
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# this will succeeed, becaus the query will be replayed
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--reap
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--connection node_1
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--reap
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SELECT COUNT(*) = 0 FROM t1;
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SELECT COUNT(*) = 1 FROM t2;
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SET debug_sync='RESET';
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--connection node_2
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SELECT COUNT(*) = 0 FROM t1;
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SELECT COUNT(*) = 1 FROM t2;
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DROP TABLE t1;
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DROP TABLE t2;
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