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From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: Eric Veldhuyzen <ericv@xs4all.net>
Cc: pgsql-sql@postgresql.org
Subject: Re: cast of integer to bool doesn't work (anymore?)
Date: Fri, 21 Mar 2003 15:54:56 -0200 (GMT+2)
Message-ID: <Pine.LNX.4.44.0303211553560.2751-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <20030321133646.GC6540@opium.xs4all.nl>

On Fri, 21 Mar 2003, Eric Veldhuyzen wrote:

> Hi,
> 
> Here at my work we use on the production servers PostgreSQL version
> 7.2.3, but I have version 7.3.2 (from the Debian distribution) on my
> workstation. Now I noticed yesterday that the query 'select 0::boolean;'
> works on the production server, it gives the output:
> 
> # select 0::boolean;
>  bool 
> ------
>  f
> (1 row)
> 
> Perfect. But when I try this on my local version of postgreSQL I get
> this:
> 
> # select 0::boolean;
> ERROR:  Cannot cast type integer to boolean

Just wrap 0 with single quotes,
e.g.
# select '0'::boolean;

> 
> Is there someone who can axplaint to me why this is happening, did I
> forget to do something to make this work, or is this some kind of new
> 'feature' of the 7.3 version?
> 
> 

-- 
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel:    +30-210-8981112
fax:    +30-210-8981877
email:  achill@matrix.gatewaynet.com
        mantzios@softlab.ece.ntua.gr




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