Search Postgresql Archives

Re: ORDER BY

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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;




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux