Query Error: SELECT t.tid,t.fid,t.subject,t.author,t.postdate,t.anonymous,tm.content FROM pw_threads t FORCE INDEX (postdate) RIGHT JOIN pw_tmsgs tm ON tm.tid=t.tid WHERE fid IN('1','2','6','9','10','11') AND ifcheck=1 AND topped='0' AND postdate> '1507640105' ORDER BY postdate DESC LIMIT 20

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MySQL Server Error:
Key 'postdate' doesn't exist in table 't' ( 1176 ) 查看错误相关信息

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