ALTER TABLE `cdb_mypetdata` ADD `openpk` smallint(2) DEFAULT '2' NOT NULL, ADD `item1` smallint(2) DEFAULT '0' NOT NULL, ADD `item2`smallint(2) DEFAULT '0' NOT NULL, ADD `item3` smallint(2) DEFAULT '0' NOT NULL, ADD `item4` smallint(2) DEFAULT '0' NOT NULL, ADD `item5` smallint(2) DEFAULT '0' NOT NULL;
升級錯誤，MySQL 提示：Duplicate column name 'openpk'
