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50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
#
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# This checks that even tables with a single long VARCHARcolumn and no FK are replicated properly
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#
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--source include/galera_cluster.inc
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--source include/have_innodb.inc
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# From the Innodb manual: "The maximum row length, except for variable-length columns (VARBINARY, VARCHAR, BLOB and TEXT),
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# is slightly less than half of a database page. That is, the maximum row length is about 8000 bytes"
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CREATE TABLE t1 (f1 VARCHAR(8000)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (NULL),(CONCAT(REPEAT('x', 7999), 'a'));
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--connection node_2
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SELECT LENGTH(f1) FROM t1;
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DELETE FROM t1 WHERE f1 IS NULL;
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UPDATE t1 SET f1 = CONCAT(REPEAT('x', 7999), 'b') WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');
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--connection node_1
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SELECT COUNT(*) = 1 FROM t1;
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SELECT LENGTH(f1) = 8000 FROM t1;
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SELECT f1 = CONCAT(REPEAT('x', 7999), 'b') FROM t1;
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#
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# Provoke a conflict
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#
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--connection node_1
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CREATE TABLE t2 (f1 BLOB) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (CONCAT(REPEAT('x', 7999), 'a'));
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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UPDATE t2 SET f1 = 'abc' WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');
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--connection node_2
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SET AUTOCOMMIT=OFF;
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START TRANSACTION;
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UPDATE t2 SET f1 = 'xyz' WHERE f1 = CONCAT(REPEAT('x', 7999), 'a');
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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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DROP TABLE t2;
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