CodeIgniter Question: How to delete records using ActiveRecord with mySQL function as WHERE conditio

Posted by Jhourlad Estrella on Stack Overflow See other posts from Stack Overflow or by Jhourlad Estrella
Published on 2010-06-07T18:34:42Z Indexed on 2010/06/08 23:02 UTC
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I have a table named ChatSessions where I keep track of active users in the chatroom. I need to prune expired user sessions from the table every 10 minutes. Using pure php-mysql is plain simple but I'm totally clueless how to convert this into ActiveRecord in CodeIgniter. The plain SQL query is below:

SELECT *
FROM `ChatSessions`
WHERE `SessionExpires` < DATE_SUB( NOW( ) , INTERVAL 10 MINUTE )

Can anybody tell me what is the equivalent code in CodeIgniter using ActiveRecord?

Thanks in advanced.

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