--echo #
--echo # Test of rewrites of update statements.
--echo #

--source suite/query_rewrite_plugins/include/have_plugin_rewriter.inc
use test;
CREATE TABLE t1 (a INT NOT NULL, b int, PRIMARY KEY (a));
CREATE TABLE t2 (a int);
INSERT INTO t1 VALUES (1, 10), (2, 20), (3, 30);
INSERT INTO t2 SELECT a FROM t1;

--source suite/query_rewrite_plugins/include/install_rewriter.inc

INSERT INTO query_rewrite.rewrite_rules ( pattern, pattern_database, replacement )
VALUES ( 'UPDATE test.t1 SET a = ? WHERE b = ? ORDER BY ? LIMIT ?', 'test',
         'UPDATE test.t1 SET b = ? WHERE b = ? ORDER BY a LIMIT 4'),
       ( 'UPDATE test.t1, test.t2 SET t1.a = ?, t2.a = ? WHERE t1.b = ?', 'test',
         'UPDATE test.t1, test.t2 SET t1.a = ?, t1.b = ? WHERE t1.a = ?' ),
       ('UPDATE t1 LEFT JOIN t2 ON t1.a = ? SET t1.b = 20 WHERE t1.b > 25', 'test',
        'UPDATE t1 LEFT JOIN t2 ON t2.a = ? SET t1.b = 20 WHERE t1.b > 25') ;

CALL query_rewrite.flush_rewrite_rules();
SELECT * FROM query_rewrite.rewrite_rules;

# Tests the following in accept_update for single update: walk_item(value,
# visitor), ORDER BY and LIMIT
UPDATE test.t1 SET a = 0 WHERE b = 2 ORDER BY 3 LIMIT 2;

# This isn't re-written.
UPDATE test.t1 SET a = 0 WHERE b = 2 ORDER BY a LIMIT 2;
SELECT * FROM t1;

# Tests the following in accept_update for multi update: walk_item(value,
# visitor)
UPDATE test.t1, test.t2 SET t1.a = 2, t2.a = 25 WHERE t1.b = 21;
SELECT * FROM t1;
SELECT * FROM t2;

# Tests the following in accept_update for multi update: accept_join
UPDATE t1 LEFT JOIN t2 ON t1.a = 25 SET t1.b = 20 WHERE t1.b > 25;

DROP TABLE t1, t2;

--source suite/query_rewrite_plugins/include/uninstall_rewriter.inc