Re: ORDER BY

George Pavlov wrote:
>> For larger tables, you may have to resort to a
>> union:
>>
>> select * from foo where name != 'Other' order by name
>> union
>> select * from foo where name = 'Other'
>
> 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) --

You can also add an imaginary key to sort on, like

select 1, * from foo where name != 'Other'
union all
select 9, * from foo where name = 'Other'
order by 1;

Or independent of column order:

select 1 AS sort_key, * from foo where name != 'Other'
union all
select 9 AS sort_key, * from foo where name = 'Other'
order by sort_key;

Regards,
--
Alban Hertroys
alban(at)magproductions(dot)nl

magproductions b.v.

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