Re: Select last there dates

From: David Gardner <david(at)gardnerit(dot)net>
To: Loredana Curugiu <loredana(dot)curugiu(at)gmail(dot)com>, pgsql-novice(at)postgresql(dot)org
Subject: Re: Select last there dates
Date: 2007-06-21 13:47:53
Message-ID: 467A8189.2050309@gardnerit.net
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I'm not sure about getting all the dates into a single comma separated
field, if table two had a unique id field, say table2.id then this
should retrieve the last three dates per phone number:

SELECT table1.uid, table1.phone_number, table2.id, table2.date
FROM table1 JOIN table2 ON table1.uid=table2.uid
AND table1.phone_number=table2.phone_number
WHERE table1.uid = 8
AND (table2.id IN
(SELECT id FROM table2
WHERE table2.phone_number = table1.phone_number
ORDER BY table2.date DESC LIMIT 3 ));

--
David Gardner

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