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# # Bug#18913551 - LOCK TABLES USES INCORRECT LOCK FOR IMPLICITLY USED # TABLES. # SET @org_concurrent_insert= @@global.concurrent_insert; SET @@global.concurrent_insert=1; CREATE TABLE t1(a INT) ENGINE=MyISAM; CREATE FUNCTION f1() RETURNS INT RETURN (SELECT MIN(a) FROM t1); CREATE VIEW v1 AS (SELECT 1 FROM dual WHERE f1() = 1); LOCK TABLE v1 READ; connect con1, localhost, root; SET lock_wait_timeout=1; # With fix, con1 does not get lock on table "t1" so following insert # operation fails after waiting for "lock_wait_timeout" duration. INSERT INTO t1 VALUES (1); ERROR HY000: Lock wait timeout exceeded; try restarting transaction connection default; UNLOCK TABLES; # V1 should be empty here. SELECT * FROM v1; 1 disconnect con1; SET @@global.concurrent_insert= @org_concurrent_insert; DROP TABLE t1; DROP VIEW v1; DROP FUNCTION f1;