Merge 5.5 into 10.1

5 files changed, 665 insertions, 0 deletions

diff --git a/mysql-test/r/derived_view.result b/mysql-test/r/derived_view.result
index 416d4e3aeb9..b1996262d49 100644
--- a/mysql-test/r/derived_view.result
+++ b/mysql-test/r/derived_view.result
@@ -2651,3 +2651,404 @@ Note	1003	select straight_join `test`.`t1`.`c1` AS `c1` from `test`.`t1` where <
 DROP TABLE t1, t2;
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
+#
+# Bug mdev-12812: EXPLAIN for query with many expensive derived
+#
+CREATE TABLE t1
+(id int auto_increment primary key,
+uid int NOT NULL,
+gp_id int NOT NULL,
+r int NOT NULL
+);
+INSERT INTO t1(uid,gp_id,r)  VALUES
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1);
+CREATE TABLE t2 (id int) ;
+INSERT INTO t2 VALUES (1);
+explain SELECT 1 FROM t2 JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_1 ON gp_1.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_2 ON gp_2.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+) gp_3 ON gp_3.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_4 ON gp_4.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_5 ON gp_5.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_6 ON gp_6.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+WHERE p1.gp_id=7)   gp_7 ON gp_7.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_8 ON gp_8.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_9 ON gp_9.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_14 ON gp_14.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)   gp_15 ON gp_15.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)  gp_16 ON gp_16.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)gp_17 ON gp_17.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)gp_18 ON gp_18.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+)gp_19 ON gp_19.id=t2.id
+JOIN
+(SELECT t2.id
+FROM t2
+JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+) gp_20 ON gp_20.id=t2.id ;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	
+1	PRIMARY	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+1	PRIMARY	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+1	PRIMARY	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p1	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p3	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p1	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p3	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p1	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p3	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived17>	ALL	NULL	NULL	NULL	NULL	50328437500000	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived14>	ALL	NULL	NULL	NULL	NULL	27680640625000000	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived7>	ALL	NULL	NULL	NULL	NULL	7798774269472204800	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived8>	ALL	NULL	NULL	NULL	NULL	7798774269472204800	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived9>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived10>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived11>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived12>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived13>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived15>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+1	PRIMARY	<derived16>	ALL	NULL	NULL	NULL	NULL	-3222391729959550976	Using where; Using join buffer (incremental, BNL join)
+17	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+17	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+17	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+17	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+17	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+17	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+16	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+16	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+16	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+16	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+16	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+16	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+16	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+16	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+15	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+15	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+15	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+15	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+15	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+15	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+15	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+15	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+14	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+14	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+14	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+14	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+14	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+14	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+14	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+13	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+13	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+13	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+13	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+13	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+13	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+13	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+13	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+12	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+12	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+12	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+12	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+12	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+12	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+12	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+12	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+11	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+11	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+11	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+11	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+11	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+11	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+11	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+11	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+10	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+10	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+10	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+10	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+10	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+10	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+10	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+10	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+9	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+9	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where
+9	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+9	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+9	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+9	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+9	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+9	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+8	DERIVED	p1	ALL	NULL	NULL	NULL	NULL	550	Using where
+8	DERIVED	p3	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+8	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+8	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	t2	system	NULL	NULL	NULL	NULL	1	
+7	DERIVED	p1	ALL	NULL	NULL	NULL	NULL	550	Using where
+7	DERIVED	p3	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (flat, BNL join)
+7	DERIVED	p4	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p5	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p6	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p7	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p8	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p9	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+7	DERIVED	p10	ALL	NULL	NULL	NULL	NULL	550	Using where; Using join buffer (incremental, BNL join)
+DROP TABLE  t1, t2;
diff --git a/mysql-test/r/subselect_sj.result b/mysql-test/r/subselect_sj.result
index 6d36950eaa8..87f76f84960 100644
--- a/mysql-test/r/subselect_sj.result
+++ b/mysql-test/r/subselect_sj.result
@@ -3189,6 +3189,7 @@ drop table t1,t2,t3;
 #
 # MDEV-18896: IN subquery in WHERE of a table-less query used for INSERT
 #
+set @@optimizer_switch= @subselect_sj_tmp;
 create table t1 (a1 varchar(25));
 create table t2 (a2 varchar(25)) ;
 insert into t1 select 'xxx' from dual where 'xxx' in (select a2 from t2);
diff --git a/mysql-test/r/subselect_sj_jcl6.result b/mysql-test/r/subselect_sj_jcl6.result
index a9c849370ed..fc1d2ef5201 100644
--- a/mysql-test/r/subselect_sj_jcl6.result
+++ b/mysql-test/r/subselect_sj_jcl6.result
@@ -3203,6 +3203,7 @@ drop table t1,t2,t3;
 #
 # MDEV-18896: IN subquery in WHERE of a table-less query used for INSERT
 #
+set @@optimizer_switch= @subselect_sj_tmp;
 create table t1 (a1 varchar(25));
 create table t2 (a2 varchar(25)) ;
 insert into t1 select 'xxx' from dual where 'xxx' in (select a2 from t2);
diff --git a/mysql-test/t/derived_view.test b/mysql-test/t/derived_view.test
index 1c0749346ca..2c81ba2c49f 100644
--- a/mysql-test/t/derived_view.test
+++ b/mysql-test/t/derived_view.test
@@ -1934,3 +1934,263 @@ DROP TABLE t1, t2;
 # The following command must be the last one the file 
 set optimizer_switch=@exit_optimizer_switch;
 set join_cache_level=@exit_join_cache_level;
+
+--echo #
+--echo # Bug mdev-12812: EXPLAIN for query with many expensive derived
+--echo #
+
+CREATE TABLE t1
+(id int auto_increment primary key,
+ uid int NOT NULL,
+ gp_id int NOT NULL,
+ r int NOT NULL
+);
+
+INSERT INTO t1(uid,gp_id,r)  VALUES
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),(1,1,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),(1,2,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),(1,3,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),(1,4,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),(1,5,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),(1,6,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),(1,7,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),(1,8,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),(1,9,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),
+(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,10,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),(1,11,1),
+(1,11,1);
+
+CREATE TABLE t2 (id int) ;
+INSERT INTO t2 VALUES (1);
+
+explain SELECT 1 FROM t2 JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+   )   gp_1 ON gp_1.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_2 ON gp_2.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+  JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  ) gp_3 ON gp_3.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+  JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_4 ON gp_4.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+  JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_5 ON gp_5.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+  JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_6 ON gp_6.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p1 ON p1.r=1 AND p1.uid=t2.id
+  JOIN t1 p3 ON p3.r=3 AND p3.uid=t2.id
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  WHERE p1.gp_id=7)   gp_7 ON gp_7.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_8 ON gp_8.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_9 ON gp_9.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_14 ON gp_14.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )   gp_15 ON gp_15.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )  gp_16 ON gp_16.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+    JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+    JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+
+    JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+    JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+    JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+    JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+    )gp_17 ON gp_17.id=t2.id
+JOIN
+(SELECT t2.id
+  FROM t2
+  JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+  JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+  JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+  JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+  JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+  JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+  JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+  )gp_18 ON gp_18.id=t2.id
+JOIN
+(SELECT t2.id
+ FROM t2
+ JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+ JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+ JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+ JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+ JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+ JOIN t1 p9 ON p9.r=9 AND p9.uid=t2.id
+ JOIN t1 p10 ON p10.r=10 AND p10.uid=t2.id
+ )gp_19 ON gp_19.id=t2.id
+JOIN
+(SELECT t2.id
+ FROM t2
+ JOIN t1 p4 ON p4.r=4 AND p4.uid=t2.id
+ JOIN t1 p5 ON p5.r=5 AND p5.uid=t2.id
+ JOIN t1 p6 ON p6.r=6 AND p6.uid=t2.id
+ JOIN t1 p7 ON p7.r=7 AND p7.uid=t2.id
+ JOIN t1 p8 ON p8.r=8 AND p8.uid=t2.id
+ ) gp_20 ON gp_20.id=t2.id ;
+
+DROP TABLE  t1, t2;
diff --git a/mysql-test/t/subselect_sj.test b/mysql-test/t/subselect_sj.test
index 1a1b8757864..33ac85f9cf2 100644
--- a/mysql-test/t/subselect_sj.test
+++ b/mysql-test/t/subselect_sj.test
@@ -2877,6 +2877,8 @@ drop table t1,t2,t3;
 --echo # MDEV-18896: IN subquery in WHERE of a table-less query used for INSERT
 --echo #
 
+set @@optimizer_switch= @subselect_sj_tmp;
+
 create table t1 (a1 varchar(25));
 create table t2 (a2 varchar(25)) ;
 insert into t1 select 'xxx' from dual where 'xxx' in (select a2 from t2);