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32 lines
915 B
Plaintext
32 lines
915 B
Plaintext
connection node_2;
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connection node_1;
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connection node_1;
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SET SESSION wsrep_sync_wait = 0;
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SET SESSION lock_wait_timeout = 60;
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SET SESSION innodb_lock_wait_timeout=60;
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SET SESSION wait_timeout=60;
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
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FLUSH TABLE t1 WITH READ LOCK;
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connection node_2;
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ALTER TABLE t1 ADD COLUMN f2 INTEGER;
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connection node_1;
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SELECT 1 FROM DUAL;
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1
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1
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SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'Waiting for table metadata lock';
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COUNT(*) = 1
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1
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UNLOCK TABLES;
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SET SESSION wsrep_sync_wait = 15;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`f1` int(11) NOT NULL,
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`f2` int(11) DEFAULT NULL,
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PRIMARY KEY (`f1`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE = 'Waiting for table metadata lock';
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COUNT(*) = 0
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1
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DROP TABLE t1;
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