main.innodb_mrr_cpk fails under view protocol

CURRENT_TEST: main.innodb_mrr_cpk

--- /home/dan/repos/mariadb-server-12.3/mysql-test/main/innodb_mrr_cpk.result	2026-03-04 11:35:07.883462572 +1100

+++ /home/dan/repos/mariadb-server-12.3/mysql-test/main/innodb_mrr_cpk.reject	2026-05-27 12:01:14.405979837 +1000

@@ -91,7 +91,7 @@

 explain select * from t1, t2 where t1.a=t2.a;

 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where

-1	SIMPLE	t1	ref	PRIMARY	PRIMARY	26	test.t2.a	1	Using where; Using join buffer (flat, BKA join); Key-ordered scan

+1	SIMPLE	t1	ref	PRIMARY	PRIMARY	26	test.t2.a	250	Using where; Using join buffer (flat, BKA join); Key-ordered scan

 select * from t1, t2 where t1.a=t2.a;

 a	b	filler	a	b

 a-1010=A	1010	filler	a-1010=A	1010

@@ -140,7 +140,7 @@

 explain select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;

 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	Using where

-1	SIMPLE	t1	ref	PRIMARY	PRIMARY	4	test.t2.a	1	Using where; Using join buffer (flat, BKA join); Key-ordered scan

+1	SIMPLE	t1	ref	PRIMARY	PRIMARY	4	test.t2.a	100	Using where; Using join buffer (flat, BKA join); Key-ordered scan

 select * from t1, t2 where t1.a=t2.a and t2.b + t1.b > 100;

 a	b	c	filler	a	b

 set optimizer_switch='index_condition_pushdown=on';

Result length mismatch