--source include/have_innodb.inc
--source include/have_sequence.inc

--echo # Tests for delete with INNODB

--echo #
--echo # MDEV-22187: SIGSEGV in ha_innobase::cmp_ref on DELETE
--echo #

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;
SELECT * FROM t1;
EXPLAIN DELETE b FROM t1 AS a JOIN t1 AS b;
DELETE b FROM t1 AS a JOIN t1 AS b;
SELECT * FROM t1;

SET sort_buffer_size=@save_sort_buffer_size;
DROP TABLE t1;