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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; 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