Question : Mysql Query to retrieve data from last month range

HI,

I have the attached MySql Query, "post.dateline" is the date field. I want to add a WHERE clause to get only the records 40 days old or newer.

How to say?

Thanks

SELECT thread.dateline AS dateline_1, thread.threadid, thread.title, thread.lastpostid, thread.forumid, post.username, post.userid, post.dateline, thread.views, post.pagetext, thread.postusername, thread.replycount
FROM (thread LEFT JOIN post ON post.postid=thread.lastpostid)

Answer : Mysql Query to retrieve data from last month range

so, you want something like this:
http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_unix-timestamp
http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_date-add

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SELECT thread.dateline AS dateline_1, thread.threadid, thread.title, thread.lastpostid, thread.forumid, post.username, post.userid, post.dateline, thread.views, post.pagetext, thread.postusername, thread.replycount
FROM (thread LEFT JOIN post ON post.postid=thread.lastpostid)
WHERE post.dateline >= UNIX_TIMESTAMP( DATE_SUB(NOW() , INTERVAL 40 DAY) )
  AND post.dateline <= UNIX_TIMESTAMP( DATE_ADD(NOW() , INTERVAL 40 DAY) )