--source include/have_query_cache.inc --source include/have_innodb.inc --echo # --echo # MDEV-15492: Subquery crash similar to MDEV-10050 --echo # 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; --connection con1 EXECUTE stmt1; INSERT INTO t2 VALUES (0); EXECUTE stmt1; START TRANSACTION; EXECUTE stmt1; # Cleanup --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;