From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: mark <postgresql@novacolor.ca>
Cc: pgsql-sql@postgresql.org
Subject: Re: create function atof?
Date: Fri, 20 Feb 2004 16:24:53 +0200 (EET)
Message-ID: <Pine.LNX.4.44.0402201617130.7099-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <200402200904.11199.postgresql@novacolor.ca>
O kyrios mark egrapse stis Feb 20, 2004 :
> Hello,
>
> Is it possible to create a database function that mimics the C function atof?
> I'm guessing it should look something like this:
>
> create function atof(varchar) returns float
> as '??????'
> language ????
> returns null on null input;
Simply use
# select '<some float>'::text::float4;
or
create function atof(varchar) returns float language sql as 'select
$1::text::float' returns null on null input;
>
> Thanks,
>
> Mark
>
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--
-Achilleus
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To: pgsql-sql@postgresql.org
Cc: achill@matrix.gatewaynet.com, postgresql@novacolor.ca
Subject: Re: create function atof?
In-Reply-To: <Pine.LNX.4.44.0402201617130.7099-100000@matrix.gatewaynet.com>
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