Re: convert bool result query - Mailing list pgsql-novice

From Luis Silva
Subject Re: convert bool result query
Date
Msg-id BAY18-F74D71F6F26C6EDB24A249B5240@phx.gbl
Whole thread Raw
In response to Re: convert bool result query  (Michael Fuhr <mike@fuhr.org>)
List pgsql-novice
TKS a lot!!! It worked!!

>From: Michael Fuhr <mike@fuhr.org>
>To: Luis Silva <lfs12@hotmail.com>
>CC: pgsql-novice@postgresql.org
>Subject: Re: [NOVICE] convert bool result query
>Date: Wed, 11 Jan 2006 11:57:09 -0700
>
>On Wed, Jan 11, 2006 at 06:41:38PM +0000, Luis Silva wrote:
> > I there!! How can I receive in my query result '1' or '0' instead of 't'
> > and 'f'. tks in advance
>
>In PostgreSQL 8.1 you can simply cast a boolean value to integer:
>
>test=> SELECT 't'::boolean::integer, 'f'::boolean::integer;
>  int4 | int4
>------+------
>     1 |    0
>(1 row)
>
>In earlier versions you can create such a cast yourself or use a
>CASE expression:
>
>test=> SELECT CASE 't'::boolean WHEN true THEN 1 ELSE 0 END;
>  case
>------
>     1
>(1 row)
>
>test=> SELECT CASE 'f'::boolean WHEN true THEN 1 ELSE 0 END;
>  case
>------
>     0
>(1 row)
>
>--
>Michael Fuhr

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