^^&&^^

Edit File: myisam_debug.test

--source include/have_debug.inc

# We disable this test in embedded mode because of BUG#43733
--source include/not_embedded.inc

--echo #
--echo # BUG#40827 - Killing insert-select to MyISAM can cause table corruption
--echo #

CONNECT (insertConn, localhost, root,,);

CREATE TABLE `t1` (
`id` BIGINT(20) ,
`id1` BIGINT(20) AUTO_INCREMENT,
 KEY(id1), KEY(id)
) ENGINE=MyISAM;

CREATE TABLE `t2` (
`id` BIGINT(20) ,
`id1` BIGINT(20) AUTO_INCREMENT,
 KEY (id1), KEY(id)
) ENGINE=MyISAM;

INSERT INTO t2 (id) VALUES (123);

let $i = 10; 
while ($i)
{
  INSERT INTO t2 (id) SELECT id  FROM t2; 
  dec $i; 
}

--echo # Switch to insert Connection
CONNECTION insertConn;
SET SESSION debug='+d,wait_in_enable_indexes';
--echo # Send insert data
SEND INSERT INTO t1(id) SELECT id  FROM t2;

--echo # Switch to default Connection
CONNECTION default;
--echo # Wait for insert data to reach the debug point

let $wait_condition=
  SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST
  WHERE STATE = "wait_in_enable_indexes" AND 
  INFO = "INSERT INTO t1(id) SELECT id  FROM t2";
--source include/wait_condition.inc

SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE STATE = 'wait_in_enable_indexes' AND 
INFO = "INSERT INTO t1(id) SELECT id  FROM t2" 
INTO @thread_id;

KILL QUERY @thread_id;
CHECK TABLE t1; 
DROP TABLE t1,t2;
CONNECTION insertConn;
--error ER_NOT_KEYFILE
REAP;
DISCONNECT insertConn;