Re: [GENERAL] ORDER BY problems
От | omid omoomi |
---|---|
Тема | Re: [GENERAL] ORDER BY problems |
Дата | |
Msg-id | 20000218215429.28393.qmail@hotmail.com обсуждение исходный текст |
Список | pgsql-general |
hi, As far as I understand,tracking_num is primary key and uniqe! So when you sort the date by a uniqe field their would be no place for other fields to be sort on! May be you are going to sort the data some other way. so I think your query is doing well. Omid Omoomi >From: David Shrewsbury <shrews@lssi.net> >To: pgsql-general@postgresql.org >Subject: [GENERAL] ORDER BY problems >Date: Fri, 18 Feb 2000 20:52:06 +0000 > >I cannot seem to get ORDER BY to work properly when I >want to sort using two different columns. I have code >similar to the following: > >SELECT tracking_num, username >FROM reports >WHERE customer='$customer' >ORDER BY tracking_num, username > >This will sort by tracking_num (int4, primary key), but >NOT by the username (varchar, not null). The confusing thing >is if I use: > > ORDER BY username, tracking_num > >it works, but it sorts by username first and then the >tracking number which is the reverse of what I want to do. >Why doesn't the first bit of code work as I expect? > >-David > >************ ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com
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