45 lines
1.7 KiB
Plaintext
45 lines
1.7 KiB
Plaintext
--echo #
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--echo # Test of rewrites of update statements.
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--echo #
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--source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc
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use test;
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CREATE TABLE t1 (a INT NOT NULL, b int, PRIMARY KEY (a));
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CREATE TABLE t2 (a int);
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INSERT INTO t1 VALUES (1, 10), (2, 20), (3, 30);
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INSERT INTO t2 SELECT a FROM t1;
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--source suite/query_rewrite_plugins/include/install_rewriter.inc
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INSERT INTO query_rewrite.rewrite_rules ( pattern, pattern_database, replacement )
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VALUES ( 'UPDATE test.t1 SET a = ? WHERE b = ? ORDER BY ? LIMIT ?', 'test',
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'UPDATE test.t1 SET b = ? WHERE b = ? ORDER BY a LIMIT 4'),
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( 'UPDATE test.t1, test.t2 SET t1.a = ?, t2.a = ? WHERE t1.b = ?', 'test',
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'UPDATE test.t1, test.t2 SET t1.a = ?, t1.b = ? WHERE t1.a = ?' ),
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('UPDATE t1 LEFT JOIN t2 ON t1.a = ? SET t1.b = 20 WHERE t1.b > 25', 'test',
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'UPDATE t1 LEFT JOIN t2 ON t2.a = ? SET t1.b = 20 WHERE t1.b > 25') ;
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CALL query_rewrite.flush_rewrite_rules();
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SELECT * FROM query_rewrite.rewrite_rules;
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# Tests the following in accept_update for single update: walk_item(value,
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# visitor), ORDER BY and LIMIT
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UPDATE test.t1 SET a = 0 WHERE b = 2 ORDER BY 3 LIMIT 2;
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# This isn't re-written.
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UPDATE test.t1 SET a = 0 WHERE b = 2 ORDER BY a LIMIT 2;
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SELECT * FROM t1;
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# Tests the following in accept_update for multi update: walk_item(value,
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# visitor)
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UPDATE test.t1, test.t2 SET t1.a = 2, t2.a = 25 WHERE t1.b = 21;
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SELECT * FROM t1;
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SELECT * FROM t2;
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# Tests the following in accept_update for multi update: accept_join
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UPDATE t1 LEFT JOIN t2 ON t1.a = 25 SET t1.b = 20 WHERE t1.b > 25;
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DROP TABLE t1, t2;
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--source suite/query_rewrite_plugins/include/uninstall_rewriter.inc
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