Increase maximum varchar size to 255 for attribute_value

application/migrations/sqlscripts/attributes.sql

@@ -13,7 +13,7 @@ CREATE TABLE IF NOT EXISTS `ospos_attribute_definitions` (
 
 CREATE TABLE IF NOT EXISTS `ospos_attribute_values` (
  `attribute_id` INT NOT NULL AUTO_INCREMENT,
- `attribute_value` VARCHAR(45) NULL,
+ `attribute_value` VARCHAR(255) NULL,
  `attribute_datetime` DATETIME NULL,
  PRIMARY KEY (`attribute_id`)
 ) ENGINE = InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci;