'Stores instances of a test entity.', 'fields' => array( 'id' => array( 'description' => 'The primary identifier for an item.', 'type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE, ), 'title' => array( 'description' => 'The title of the item.', 'type' => 'varchar', 'length' => 50, 'not null' => TRUE, ), 'body' => array( 'description' => 'A text belonging to the item.', 'type' => 'text', 'not null' => FALSE, ), 'type' => array( 'description' => 'A string identifying the type of item.', 'type' => 'varchar', 'length' => 50, 'not null' => TRUE, ), ), 'primary key' => array('id'), ); return $schema; }