更新文章等数据表的城市ID，通过查找标题或者某个字段包含的城市名称判断所属城市


-- 查看对应数据
SELECT a.id, a.keywords, a.areaId, b.id, b.title FROM `pre_bj_articles` a, `pre_area` b WHERE INSTR(a.keywords,b.title)>0 AND a.areaId=0 AND b.`sitepath` LIKE '100001-100002-%' AND b.`theorder` = '4'
;


--更新数据
UPDATE `pre_bj_articles` a, `pre_area` b SET a.areaId=b.id WHERE INSTR(a.keywords,b.title)>0 AND a.areaId=0 AND b.`sitepath` LIKE '100001-100002-%' AND b.`theorder` = '4'

;

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