Message-ID: <20040610202415.89117.qmail@web13804.mail.yahoo.com>
Date: Thu, 10 Jun 2004 13:24:15 -0700 (PDT)
From: Chris Gamache <cgg007@yahoo.com>
Reply-To: cgg007@yahoo.com
Subject: Re: Converting integer to binary
To: Bruno Wolff III <bruno@wolff.to>,
	Stephen Quinney <stephen.quinney@computing-services.oxford.ac.uk>
Cc: pgsql-sql@postgresql.org
In-Reply-To: <20040610182756.GA22247@wolff.to>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii


Once upon a time in PostgreSQL there was a function : bitfromint4 ... Any idea
where it has disappeared to?

You can do

# select B'10101101'::int4;
 int4
------
  173
(1 row)

but you want to go

# select 173::varbit;

which is what bitfromint4 used to do.

CG

--- Bruno Wolff III <bruno@wolff.to> wrote:
> On Thu, Jun 10, 2004 at 14:52:41 +0100,
>   Stephen Quinney <stephen.quinney@computing-services.oxford.ac.uk> wrote:
> > 
> > I have searched around but I cannot see any standard way in PostgreSQL
> > to convert from an integer into a binary representation.
> > 
> > Now I have an algorithm to do it so I could write an SQL function, I
> > guess. If there's a standard way to do it though that would be quite nice.
> 
> There doesn't seem to currently be a function that does this. to_char
> would be the logical place since that is what is used to convert various
> numeric types to strings with a decimal representation.
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Don't 'kill -9' the postmaster


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