1# 2# Tests for the BLACKHOLE storage engine 3# 4 5--source include/have_blackhole.inc 6 7--echo # 8--echo # Bug #11880012: INDEX_SUBQUERY, BLACKHOLE, 9--echo # HANG IN PREPARING WITH 100% CPU USAGE 10--echo # 11 12CREATE TABLE t1(a INT NOT NULL); 13INSERT INTO t1 VALUES (1), (2), (3); 14CREATE TABLE t2 (a INT UNSIGNED, b INT, UNIQUE KEY (a, b)) ENGINE=BLACKHOLE; 15 16SELECT 1 FROM t1 WHERE a = ANY (SELECT a FROM t2); 17 18DROP TABLE t1, t2; 19 20# 21# Bug#19786309 - CRASH IN UNLOCK TABLES AFTER LOCKING AND TRUNCATING TEMPORARY TABLE. 22# 23create temporary table t1 (a int) engine=blackhole; 24lock table t1 write; 25truncate table t1; 26select * from t1; 27unlock tables; 28drop temporary table t1; 29 30--echo End of 5.5 tests 31 32--echo # 33--echo # Bug#13948247 DIVISION BY 0 IN GET_BEST_DISJUNCT_QUICK WITH FORCE INDEX GROUP BY 34--echo # 35 36CREATE TABLE t1(a INT, b INT, c INT, KEY(c), UNIQUE(a)) ENGINE = BLACKHOLE; 37SELECT 0 FROM t1 FORCE INDEX FOR GROUP BY(a) WHERE a = 0 OR b = 0 AND c = 0; 38DROP TABLE t1; 39 40--echo End of 5.6 tests 41 42# 43# MDEV-24017 / bug 53588 test case. 44# 45# Create long enough index (between 1000 and 3500). 1000 is the old value, 46# 3500 is innodb value (see ha_innobase::max_supported_key_length()). Without 47# the fix the test will fail with "Specified key was too long" error. 48# 49CREATE TABLE `t` ( 50 `a` varchar(3000) NOT NULL default '', 51 PRIMARY KEY (`a`) 52) ENGINE=BLACKHOLE; 53 54DROP TABLE `t`; 55 56--echo End of 10.1 tests 57