source include/not_valgrind.inc;
source include/have_memcached_plugin.inc;
source include/not_windows.inc;

--disable_query_log
CALL mtr.add_suppression("daemon-memcached-w-batch-size': unsigned");
CALL mtr.add_suppression("Could not obtain server's UPN to be used as target service name");
CALL mtr.add_suppression("Warning: MySQL is trying to drop");
--enable_query_log

--enable_connect_log
SET @transaction_isolation= @@global.transaction_isolation;
SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;

# Create the memcached tables
--disable_query_log
source include/memcache_config.inc;
--enable_query_log

INSERT INTO cache_policies VALUES("cache_policy", "innodb_only",
				  "innodb_only", "innodb_only", "innodb_only");

INSERT INTO config_options VALUES("separator", "|");

# describe table for memcache
INSERT INTO containers VALUES ("desc_t1", "test", "t1",
			       "c1", "c2",  "c3", "c4", "c5", "PRIMARY");

USE test;

connect (con1,localhost,root,,);

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1        (c1 VARCHAR(32),
			c2 VARCHAR(1024),
			c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1))
ENGINE = INNODB;

INSERT INTO t1 VALUES ('D', 'Darmstadt', 0, 0, 0);

# Tables must exist before plugin can be started!
--let $memcached_address=127.0.0.1:11296
--source ../include/load_daemon_memcached_expecting_success.inc

--sorted_result
SELECT c1,c2 FROM t1;

--sorted_result
SELECT c1,c2 FROM t1;
ALTER TABLE test.t1 ADD COLUMN j JSON;
delimiter //;
CREATE PROCEDURE alter_column()
BEGIN
SELECT SLEEP(10);
ALTER TABLE test.t1 ADD COLUMN foo varchar(200) AS (j->'$.foo') VIRTUAL;
END//
delimiter ;//


connection con1;
set session lock_wait_timeout=1;
--send call alter_column();

connection default;

perl;
use DBI;
use Cache::Memcached;
my $memd = new Cache::Memcached {
  'servers' => [ "127.0.0.1:11296" ],
  'connect_timeout' => 20,
  'select_timeout' => 20
};
print "Here are the memcached results with E:\n";
$val = $memd->get("D");
if ($val) { print "$val\n"; }
sleep(20);

$memd->disconnect_all;
EOF

connection con1;
# Now all Memcached operation will acquire MDL lock on the table.
# So the alter table will have to wait for MDL lock released by Memcached
# connection, and then start the alter. If we set shorter timeout interval
# it should report timeout
--error ER_LOCK_WAIT_TIMEOUT
reap;

connection default;
disconnect con1;
drop procedure alter_column;
DROP TABLE t1;

UNINSTALL PLUGIN daemon_memcached;
DROP DATABASE innodb_memcache;

SET @@global.transaction_isolation= @transaction_isolation;