MySQL column not found

Posted by vian on Stack Overflow See other posts from Stack Overflow or by vian
Published on 2010-04-06T17:05:19Z Indexed on 2010/04/06 17:13 UTC
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The SQL query without where statement runs great and outputs good results, but when I include WHERE condition it shows Unknown column 'date1' in 'where clause'. What's the problem?

SELECT IF(e.weekly, DATE_ADD(DATE(e.time), INTERVAL CEIL(DATEDIFF('2010-04-08', e.time)/7) WEEK), DATE(e.time)) AS `e.date1`, `v`.`lat`, `v`.`lng` 
FROM `events` AS `e` 
INNER JOIN `venues` AS `v` ON e.venue_id = v.id WHERE e.date1 > '2010-09-01'

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