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