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#
# Bug #11880012: INDEX_SUBQUERY, BLACKHOLE,
# HANG IN PREPARING WITH 100% CPU USAGE
#
CREATE TABLE t1(a INT NOT NULL);
INSERT INTO t1 VALUES (1), (2), (3);
CREATE TABLE t2 (a INT UNSIGNED, b INT, UNIQUE KEY (a, b)) ENGINE=BLACKHOLE;
SELECT 1 FROM t1 WHERE a = ANY (SELECT a FROM t2);
1
DROP TABLE t1, t2;
create temporary table t1 (a int) engine=blackhole;
lock table t1 write;
truncate table t1;
select * from t1;
a
unlock tables;
drop temporary table t1;
End of 5.5 tests
#
# Bug#13948247 DIVISION BY 0 IN GET_BEST_DISJUNCT_QUICK WITH FORCE INDEX GROUP BY
#
CREATE TABLE t1(a INT, b INT, c INT, KEY(c), UNIQUE(a)) ENGINE = BLACKHOLE;
SELECT 0 FROM t1 FORCE INDEX FOR GROUP BY(a) WHERE a = 0 OR b = 0 AND c = 0;
0
DROP TABLE t1;
End of 5.6 tests
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