`staff_searchable` tinyint(1) NOT NULL default 0, -- defines if this field is searchable via the patron search in the staff client (1 for yes, 0 for no)
`authorised_value_category` varchar(10) default NULL, -- foreign key from authorised_values that links this custom field to an authorized value category
`display_checkout` tinyint(1) NOT NULL default 0,-- defines if this field displays in checkout screens
+ `category_code` VARCHAR(1) NOT NULL DEFAULT '',-- defines a category for an attribute_type
+ `class` VARCHAR(255) NOT NULL DEFAULT '',-- defines a class for an attribute_type
PRIMARY KEY (`code`),
KEY `auth_val_cat_idx` (`authorised_value_category`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;