错误内容:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-1' at li...
1.复制tags字段内容到keyboard,当keyboard为空的时候:update [!db.pre!]ecms_news_data_1 a, [!db.pre!]ecms_news b set b.keyboard=a.infotags where a.id=b.id and b.keybo...