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From: Oliver d'Azevedo Christina <oliveiros.cristina@gmail.com>
To: R. Smith <ship.quotes@gmail.com>
Cc: pgsql-sql@postgresql.org <pgsql-sql@postgresql.org>
Subject: Re: Sorting data based fields in two linked tables
Date: Sat, 14 May 2011 13:58:54 +0100
Message-ID: <578F5EAE-5567-4254-AE34-380B249E8F63@gmail.com> (raw)
In-Reply-To: <BANLkTikak22Fgv=jQ0DmiNf8yAB_nb3xgg@mail.gmail.com>
References: <BANLkTikak22Fgv=jQ0DmiNf8yAB_nb3xgg@mail.gmail.com>

Can you provide An example?

Best,
Oliveiros

Enviado via iPhone

Em 13/05/2011, às 04:00 PM, "R. Smith" <ship.quotes@gmail.com> escreveu:

> Hi,
> 
> I am looking for a way to sort data returned from two tables with the
> first sort based on a field from table A and the secord sort based on
> the results of the first sort but the sort field is from table B.
> While I can sort on either fields from either table, I cannot get it
> to work on both. I have tried a crosstab query, but this a fails as
> the number of rows returned from TABLE B for each row in TABLE A is an
> unknown. I tried creating a temporary table, to then sort on, but this
> failed as well. Example layout below:
> 
> Table A
> 
> ID FIELD1 FIELD2
> 
> Table B
> 
> ID, A.ID FIELD1,FIELD2
> 
> Output Based on sorting A.FIELD2, then B.FIELD1
> 
> A.ID,A.FIELD1,A.FIELD2,  B.FIELD1,B.FIELD2, B.FIELD1,B.FIELD2, B.FIELD1,B.FIELD2
> 
> Can anyone help me with this?
> 
> Regards
> 
> -- 
> Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-sql



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