我有以下查询，我无法弄清楚它为什么不执行：
DROP TRIGGER IF EXISTS `feed_poll`;CREATE DEFINER=`gao`@`%` TRIGGER `feed_poll` AFTER INSERT ON `poll` FOR EACH ROW insert into feed_log
set feed_action = 'poll',
feed_require = CONCAT('"{title:",',new.title,'"image_url:",',new.image_url,'"email:",',new.email,'"date_of_creation:",',date_of_creation,'"category_str:",',new.category_str,'"choices_str:",',new.choices_str,'"redemption:",',new.redemption,'"question_str:",',new.question_str,'"location:",',new.location,'"geo_tag:",',geo_tag,"}"),
feed_time = NOw(),
feed_user = new.email
没有语法错误，它只是不执行。我哪里出错了？