INSERT INTO tab VALUESOLDbriefinguserOLDfollowingUNIX_TIMESTAMP ON DUPLICATE KEY UPDATE created = UNIX_TIMESTAMP;检查以上语句是否存在错误

该语句没有明显的语法错误，但缺少表名。应该在INSERT INTO后面加上表名。例如： INSERT INTO mytable VALUES(OLD.briefinguser,OLD.following,UNIX_TIMESTAMP()) ON DUPLICATE KEY UPDATE created = UNIX_TIMESTAMP();