Current Path : /home/usr.opt/mysql57/mysql-test/t/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //home/usr.opt/mysql57/mysql-test/t/opt_hint_timeout.test |
--echo # WL#8017 Infrastructure for Optimizer Hints --echo # MAX_EXECUTION_TIME hint testing --source include/have_statement_timeout.inc --echo # MAX_EXECUTION_TIME hint testing CREATE TABLE t1 (a INT, b VARCHAR(300)); INSERT INTO t1 VALUES (1, 'string'); INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; INSERT INTO t1 SELECT * FROM t1; -- disable_query_log -- disable_result_log analyze table t1; -- enable_result_log -- enable_query_log --error ER_QUERY_TIMEOUT SELECT /*+ MAX_EXECUTION_TIME(1) */ * FROM t1 a, t1 b; EXPLAIN SELECT /*+ MAX_EXECUTION_TIME(10) MAX_EXECUTION_TIME(100) */ * FROM t1; DROP TABLE t1; --echo --echo # test the MAX_EXECUTION_TIME hint for SELECT statements: --echo CREATE TABLE t1 (i INT, j INT); CREATE INDEX i1 ON t1(i); CREATE INDEX i2 ON t1(j); INSERT INTO t1 VALUES (1, 1), (2, 2); SELECT /*+ MAX_EXECUTION_TIME(4294967296) */ 1 FROM t1; --error ER_QUERY_TIMEOUT SELECT /*+ MAX_EXECUTION_TIME(1) */ *, SLEEP(1000) FROM t1; --error ER_QUERY_TIMEOUT SELECT /*+ MAX_EXECUTION_TIME(1) */ *, SLEEP(1000) FROM t1 UNION SELECT 1, 2, 3; --error ER_QUERY_TIMEOUT (SELECT /*+ MAX_EXECUTION_TIME(1) */ *, SLEEP(1000) FROM t1) UNION (SELECT 1, 2, 3); --error ER_QUERY_TIMEOUT ((SELECT /*+ MAX_EXECUTION_TIME(1) */ *, SLEEP(1000) FROM t1)); --echo --echo # only SELECT statements supports the MAX_EXECUTION_TIME hint (warning): --echo CREATE TABLE t2 (i INT); INSERT /*+ MAX_EXECUTION_TIME(1) */ INTO t2 SELECT 1; REPLACE /*+ MAX_EXECUTION_TIME(1) */ INTO t2 SELECT 1; UPDATE /*+ MAX_EXECUTION_TIME(1) */ t2 SET i = 1; DELETE /*+ MAX_EXECUTION_TIME(1) */ FROM t2 WHERE i = 1; DROP TABLE t1, t2; SELECT 1 FROM (SELECT /*+ MAX_EXECUTION_TIME(10) */ 1) a; DELIMITER |; CREATE FUNCTION f1() RETURNS INT BEGIN SELECT /*+ MAX_EXECUTION_TIME(10) */ 1 INTO @a; RETURN 1; END| DELIMITER ;| DROP FUNCTION f1;