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Merge from mysql-5.1-bugteam to mysql-5.1-security
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@ -782,9 +782,14 @@ START TRANSACTION;
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SELECT * FROM t1 LOCK IN SHARE MODE;
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connection con1;
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let $conn_id= `SELECT CONNECTION_ID()`;
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--send SELECT * FROM t1 FOR UPDATE
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connection con2;
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let $wait_timeout= 2;
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let $wait_condition= SELECT 1 FROM INFORMATION_SCHEMA.PROCESSLIST
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WHERE ID=$conn_id AND STATE='Sending data';
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--source include/wait_condition.inc
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--echo # should not crash
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--error ER_LOCK_DEADLOCK
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SELECT * FROM t1 GROUP BY (SELECT a FROM t2 LIMIT 1 FOR UPDATE) + t1.a;
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@ -795,5 +800,30 @@ disconnect con2;
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DROP TABLE t1,t2;
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--echo #
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--echo # Bug#55656: mysqldump can be slower after bug #39653 fix
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--echo #
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CREATE TABLE t1 (a INT , b INT, c INT, d INT,
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KEY (b), PRIMARY KEY (a,b)) ENGINE=INNODB;
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INSERT INTO t1 VALUES (1,1,1,1), (2,2,2,2), (3,3,3,3);
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--query_vertical EXPLAIN SELECT COUNT(*) FROM t1
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DROP INDEX b ON t1;
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CREATE INDEX b ON t1(a,b);
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--query_vertical EXPLAIN SELECT COUNT(*) FROM t1
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DROP INDEX b ON t1;
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CREATE INDEX b ON t1(a,b,c);
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--query_vertical EXPLAIN SELECT COUNT(*) FROM t1
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DROP INDEX b ON t1;
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CREATE INDEX b ON t1(a,b,c,d);
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--query_vertical EXPLAIN SELECT COUNT(*) FROM t1
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DROP TABLE t1;
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--echo #
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--echo End of 5.1 tests
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