# # MDEV-15492: Subquery crash similar to MDEV-10050 # SET @qcs.save= @@global.query_cache_size, @qct.save= @@global.query_cache_type; SET GLOBAL query_cache_size= 512*1024*1024, query_cache_type= ON; connect con1,localhost,root,,test; CREATE TABLE t1 (a INT) ENGINE=InnoDB; CREATE TABLE t2 (b INT) ENGINE=InnoDB; CREATE VIEW v AS select a from t1 join t2; PREPARE stmt1 FROM "SELECT * FROM t1 WHERE a in (SELECT a FROM v)"; connect con2,localhost,root,,test; PREPARE stmt2 FROM "SELECT * FROM t1 WHERE a in (SELECT a FROM v)"; EXECUTE stmt2; a connection con1; EXECUTE stmt1; a INSERT INTO t2 VALUES (0); EXECUTE stmt1; a START TRANSACTION; EXECUTE stmt1; a disconnect con1; disconnect con2; connection default; DROP VIEW v; DROP TABLE t1, t2; SET GLOBAL query_cache_size= @qcs.save, query_cache_type= @qct.save;