#
# LP#959512 IO cache not reset at trx cleanup if write set was empty Edit
#

--source include/galera_cluster.inc
--source include/have_innodb.inc

DROP TABLE IF EXISTS variable;
DROP TABLE IF EXISTS foo;
CREATE TABLE variable (
   name varchar(128) NOT NULL DEFAULT '' COMMENT 'The name of the variable.',
   value longblob NOT NULL COMMENT 'The value of the variable.',
    PRIMARY KEY (name)
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Named variable/value pairs created by Drupal core or any...';
CREATE TABLE foo (a int);
INSERT INTO variable (name, value) VALUES ('menu_expanded', 'a:0:{}');
START TRANSACTION;
SELECT 1 AS expression FROM variable variable
   WHERE ( (name = 'menu_expanded') ) FOR UPDATE;
UPDATE variable SET value='a:0:{}' WHERE ( (name = 'menu_expanded') );
COMMIT;
INSERT INTO foo VALUES (1);
UPDATE foo SET a = 2 WHERE a = 1;

DROP TABLE foo;
DROP TABLE variable;