# Tests for delete with INNODB
#
# MDEV-22187: SIGSEGV in ha_innobase::cmp_ref on DELETE
#
SET @save_sort_buffer_size= @@sort_buffer_size;
SET sort_buffer_size=1024;
CREATE TABLE t1(c1 CHAR(255) PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (0), ('a'), ('b');
ANALYZE TABLE t1 PERSISTENT FOR ALL;
Table	Op	Msg_type	Msg_text
test.t1	analyze	status	Engine-independent statistics collected
test.t1	analyze	status	OK
SELECT * FROM t1;
c1
0
a
b
EXPLAIN DELETE b FROM t1 AS a JOIN t1 AS b;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	a	ALL	NULL	NULL	NULL	NULL	3	
1	SIMPLE	b	ALL	NULL	NULL	NULL	NULL	3	
DELETE b FROM t1 AS a JOIN t1 AS b;
SELECT * FROM t1;
c1
SET sort_buffer_size=@save_sort_buffer_size;
DROP TABLE t1;