From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Sean Chittenden <chitt(at)speakeasy(dot)net> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
Subject: | Re: Casting INT4 to BOOL... |
Date: | 2005-02-27 15:22:40 |
Message-ID: | 200502271522.j1RFMea20686@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-patches |
Patch applied by Neil. Thanks.
---------------------------------------------------------------------------
Sean Chittenden wrote:
> >> Is there any reason why the backend doesn't cast an unquoted integer
> >> to
> >> a boolean value?
> >
> > Hidden cross-category typecasts are evil. I'd accept this as an
> > explicit cast ('e' in pg_cast) but not automatic.
> >
> > Also, what about the other direction? Providing a cast in only one
> > direction is pretty inconsistent.
>
> test=> SELECT 1::BOOL, 0::BOOL, TRUE::INT4, FALSE::INT4;
> bool | bool | int4 | int4
> ------+------+------+------
> t | f | 1 | 0
> (1 row)
>
> Okey doke, both directions are now provided and the cast has to be
> explicit. -sc
>
[ Attachment, skipping... ]
>
>
> --
> Sean Chittenden
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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