From: | Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
---|---|
To: | mark <postgresql(at)novacolor(dot)ca> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: create function atof? |
Date: | 2004-02-20 14:24:53 |
Message-ID: | Pine.LNX.4.44.0402201617130.7099-100000@matrix.gatewaynet.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
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
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
> (send "unregister YourEmailAddressHere" to majordomo(at)postgresql(dot)org)
>
--
-Achilleus
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2004-02-20 14:54:14 | Re: create function atof? |
Previous Message | mark | 2004-02-20 14:04:11 | create function atof? |