Re: ORDER BY - Mailing list pgsql-general

From Chris Mulcahy
Subject Re: ORDER BY
Date
Msg-id 1163634782.29042.2.camel@gentoobox
Whole thread Raw
In response to Re: ORDER BY  ("George Pavlov" <gpavlov@mynewplace.com>)
Responses Re: ORDER BY  ("Paefgen, Peter (LDS)" <Peter.Paefgen@lds.nrw.de>)
List pgsql-general
On Wed, 2006-11-15 at 14:59 -0800, George Pavlov wrote:
Alas, this suggestion is wrong on two counts: (a) UNION expects a single
> ORDER BY that applies to the whole recordset and which has to come at
> the end; (b) UNION re-sorts anyway (it needs to eliminate the dupes)
--
> maybe you are thinking UNION ALL? So, to follow your advice he may
want
> a query like this, although it seems quite silly and there still isn't
> an ironclad guarantee re. the final result sorting:
>
> select * from
>   (select * from foo where name != 'Other' order by name) x
> union all
> select * from foo where name = 'Other'
>
>

Here ya go.

select 1 SortCol, * from foo where name != 'Other'
UNION ALL
select 2 SortCol, * from foo where name = 'Other'
order by SortCol;



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