--source include/have_innodb.inc

#
# MDEV-12669 Circular foreign keys cause a loop and OOM upon LOCK TABLE
#
SET FOREIGN_KEY_CHECKS=0;
CREATE TABLE staff (
  staff_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT,
  store_id TINYINT UNSIGNED NOT NULL,
  PRIMARY KEY  (staff_id),
  KEY idx_fk_store_id (store_id),
  CONSTRAINT fk_staff_store FOREIGN KEY (store_id) REFERENCES store (store_id) ON DELETE RESTRICT ON UPDATE CASCADE
) ENGINE=InnoDB;
CREATE TABLE store (
  store_id TINYINT UNSIGNED NOT NULL AUTO_INCREMENT,
  manager_staff_id TINYINT UNSIGNED NOT NULL,
  PRIMARY KEY  (store_id),
  UNIQUE KEY idx_unique_manager (manager_staff_id),
  CONSTRAINT fk_store_staff FOREIGN KEY (manager_staff_id) REFERENCES staff (staff_id) ON DELETE RESTRICT ON UPDATE CASCADE
) ENGINE=InnoDB;
SET FOREIGN_KEY_CHECKS=DEFAULT;

LOCK TABLE staff WRITE;
UNLOCK TABLES;
DROP TABLES staff, store;

SET FOREIGN_KEY_CHECKS=1;

--echo #
--echo # MDEV-17531 Crash in RENAME TABLE with FOREIGN KEY and FULLTEXT INDEX
--echo #

--disable_query_log
call mtr.add_suppression("InnoDB: Error; possible reasons:");
--enable_query_log

CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
CREATE DATABASE best;
CREATE TABLE t3 (a INT PRIMARY KEY,
CONSTRAINT t2_ibfk_1 FOREIGN KEY (a) REFERENCES t1(a)) ENGINE=InnoDB;
CREATE TABLE best.t2 (a INT PRIMARY KEY, b TEXT, FULLTEXT INDEX(b),
FOREIGN KEY (a) REFERENCES test.t1(a)) ENGINE=InnoDB;
--replace_regex /Table '.*t2'/Table 't2'/
--error ER_TABLE_EXISTS_ERROR
RENAME TABLE best.t2 TO test.t2;
SHOW CREATE TABLE best.t2;
DROP DATABASE best;

--echo #
--echo # MDEV-17541 KILL QUERY during lock wait in FOREIGN KEY check hangs
--echo #
connect (fk, localhost, root,,);
INSERT INTO t1 SET a=1;
BEGIN;
DELETE FROM t1;

connection default;
let $ID= `SELECT @id := CONNECTION_ID()`;
send INSERT INTO t3 SET a=1;

connection fk;
# Check that the above SELECT is blocked
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = 'update' and info = 'INSERT INTO t3 SET a=1';
--source include/wait_condition.inc
let $ignore= `SELECT @id := $ID`;
kill query @id;

connection default;
--error ER_QUERY_INTERRUPTED
reap;
disconnect fk;

DROP TABLE t3,t1;