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74 lines
1.8 KiB
Text
74 lines
1.8 KiB
Text
--source include/galera_cluster.inc
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--source include/have_innodb.inc
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CREATE TABLE t1 (f1 VARCHAR(767) PRIMARY KEY) ENGINE=InnoDB;
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# MySQL complains about multiple identical indexes on the same column
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--disable_warnings
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--let $count = 63
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while ($count)
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{
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--disable_query_log
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--eval SET @ddl_var1 = CONCAT("CREATE UNIQUE INDEX i", $count, " ON t1(f1)")
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--let $ddl_var = `SELECT @ddl_var1`
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--enable_query_log
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--eval $ddl_var
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--dec $count
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}
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--enable_warnings
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INSERT INTO t1 VALUES (REPEAT('a', 767));
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--connection node_2
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SELECT COUNT(*) = 1 FROM t1;
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SELECT LENGTH(f1) = 767 FROM t1;
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EXPLAIN SELECT COUNT(*) = 1 FROM t1 FORCE KEY (PRIMARY) WHERE f1 = REPEAT('a', 767);
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SELECT COUNT(*) = 1 FROM t1 FORCE KEY (PRIMARY) WHERE f1 = REPEAT('a', 767);
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EXPLAIN SELECT COUNT(*) = 1 FROM t1 FORCE KEY (i1) WHERE f1 = REPEAT('a', 767);
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SELECT COUNT(*) = 1 FROM t1 FORCE KEY (i1) WHERE f1 = REPEAT('a', 767);
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EXPLAIN SELECT COUNT(*) = 1 FROM t1 FORCE KEY (i63) WHERE f1 = REPEAT('a', 767);
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SELECT COUNT(*) = 1 FROM t1 FORCE KEY (i63) WHERE f1 = REPEAT('a', 767);
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INSERT INTO t1 VALUES (REPEAT('b', 767));
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ANALYZE TABLE t1;
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--connection node_1
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SELECT COUNT(*) = 2 FROM t1;
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ANALYZE TABLE t1;
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DELETE FROM t1 WHERE f1 = REPEAT('b', 767);
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# Rollback
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--connection node_1
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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SELECT COUNT(*) = 1 FROM t1;
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INSERT INTO t1 (f1) VALUES (REPEAT('c', 767));
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ROLLBACK;
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SELECT COUNT(*) = 1 FROM t1;
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--connection node_2
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START TRANSACTION;
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SET AUTOCOMMIT=OFF;
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SELECT COUNT(*) = 1 FROM t1;
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# Deadlock
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--connection node_1
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START TRANSACTION;
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--connection node_2
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START TRANSACTION;
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--connection node_1
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UPDATE t1 SET f1 = REPEAT('e', 767);
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--connection node_2
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UPDATE t1 SET f1 = REPEAT('f', 767);
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--connection node_1
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COMMIT;
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--connection node_2
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--error ER_LOCK_DEADLOCK
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COMMIT;
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DROP TABLE t1;
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