-trans_id varchar(12) not null default '',
-party_uid bigint(20) not null default '0',
-points bigint(20) not null default '0',
-reason varchar(255) not null default '',
-time_trans varchar(10) not null default '0',
-trans_type enum('IN', 'OUT') not null default 'IN',
+trans_id VARCHAR(12) NOT NULL DEFAULT '',
+party_uid BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+points BIGINT(20) UNSIGNED NOT NULL DEFAULT '0',
+reason VARCHAR(255) NOT NULL DEFAULT '',
+time_trans VARCHAR(10) NOT NULL DEFAULT '0',
+trans_type ENUM('IN', 'OUT') NOT NULL DEFAULT 'IN',