| From: | Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
|---|---|
| To: | 'Charles Clavadetscher *EXTERN*' <clavadetscher(at)swisspug(dot)org>, "'Adrian Klaver'" <adrian(dot)klaver(at)aklaver(dot)com>, "rod(at)iol(dot)ie" <rod(at)iol(dot)ie>, 'PostgreSQL' <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Selecting pairs of numbers |
| Date: | 2015-10-06 07:33:43 |
| Message-ID: | A737B7A37273E048B164557ADEF4A58B50FB371E@ntex2010i.host.magwien.gv.at |
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| Lists: | pgsql-general |
Charles Clavadetscher wrote:
>> aklaver(at)test=> create table pr_test(x int, y int);
>>
>> aklaver(at)test=> select * from pr_test where (x, y) between (1, 3) and
>> (3,2) order by x,y;
>> x | y
>> ---+---
>> 1 | 3
>> 1 | 4
>> 2 | 1
>> 2 | 2
>> 2 | 3
>> 2 | 4
>> 3 | 1
>> 3 | 2
>
> +1, nice.
And the really cool thing about it is that it will work well
with a combined index on (x, y).
Yours,
Laurenz Albe
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