Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps
 (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1lPDOI-0000z6-5h
	for pgsql-hackers@arkaria.postgresql.org; Wed, 24 Mar 2021 23:58:22 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1lPDOH-00009V-2m
	for pgsql-hackers@arkaria.postgresql.org; Wed, 24 Mar 2021 23:58:21 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <shackle@fetter.org>)
	id 1lPDOG-00009O-GI
	for pgsql-hackers@lists.postgresql.org; Wed, 24 Mar 2021 23:58:20 +0000
Received: from xvm-110-146.dc2.ghst.net ([46.226.110.146] helo=fetter.org)
	by magus.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <shackle@fetter.org>)
	id 1lPDOD-0006eK-OA
	for pgsql-hackers@postgresql.org; Wed, 24 Mar 2021 23:58:20 +0000
Received: by fetter.org (Postfix, from userid 1001)
	id A276F40CB5; Thu, 25 Mar 2021 00:58:15 +0100 (CET)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=fetter.org;
	s=default; t=1616630295;
	bh=CYYQQyBIrNbLZ9+7ngyo/kfCxgvW7lZuMP3kqlqfbRM=;
	h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
	b=3dfTjUnLrH6kIZmC/uN2Ev5Ymvs+o4OGI+/EgXMPmSLubavmTKsN3QYjIuUPNwOFg
	 e7ge5XrBKkJ36sQ+KHt7CRYecHnoKRhuD+x38C2aMHleTFdC6rnDFJVZ3u/epXx20z
	 r3wuycpI5hSc5Sbk9zv3kKbD2KjRH88Xnr+CjfQotObjE3sGqMh5rk8VYDsCwAB8iJ
	 ZKL38wpMm4wHZL0TTHILGNF7VWwCefnTrmvb61ZRC9G2zhJzhf3G0MnzlNxPXa7nD/
	 oTrU1a4cg7cX2K/NyzqA7fqyu8GVn545+kR0k0sNmrD8tUuZG76AlWciva8oVYaoMY
	 xlo4yTGoo3pBQ==
Date: Wed, 24 Mar 2021 23:58:15 +0000
From: David Fetter <david@fetter.org>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>,
	John Naylor <john.naylor@enterprisedb.com>
Subject: Re: popcount
Message-ID: <20210324235814.GA24232@fetter.org>
References: <338981.1610984050@sss.pgh.pa.us>
 <d33d668b-bf70-126d-9ca3-ad5a50488091@enterprisedb.com>
 <CA+Tgmoa18D-8FvtBE3-dJHDTX6A33OeAmRKa6R7+i8-E_o1G-w@mail.gmail.com>
 <20210119163818.GE8721@fetter.org>
 <CAMsGm5dKEDVJRN1qw=mz_mQPKR7=n9H5bVif--doWmePnVQ51Q@mail.gmail.com>
 <CALtqXTdTzdZoUSxNC7jS0TjEHJvdx=R2tN6DyNFbnumdDaoHjw@mail.gmail.com>
 <CAFBsxsF1q6BEa-NPkzQHFZ7D0GGxdM2uWDCYb-v08wPTmO9XOw@mail.gmail.com>
 <775b91fc-80fa-179d-bb20-0bf230e6db40@enterprisedb.com>
 <20210321013108.GF7457@fetter.org>
 <fabf4a9b-3671-4e48-24c3-1ec0bd5ef323@enterprisedb.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <fabf4a9b-3671-4e48-24c3-1ec0bd5ef323@enterprisedb.com>
User-Agent: Mutt/1.9.4 (2018-02-28)
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Archived-At: 
 <https://www.postgresql.org/message-id/20210324235814.GA24232%40fetter.org>
Precedence: bulk

On Tue, Mar 23, 2021 at 10:51:08AM +0100, Peter Eisentraut wrote:
> On 21.03.21 02:31, David Fetter wrote:
> > > I have now read the entire internet on what a suitable name for this
> > > function could be.  I think the emerging winner is BIT_COUNT(), which
> > > already exists in MySQL, and also in Python (int.bit_count()) and Java
> > > (Integer.bitCount()).
> > 
> > Thanks for doing this tedious work. Please find attached the next
> > version of the patch.
> 
> committing, with some polishing

Thanks!

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

Remember to vote!
Consider donating to Postgres: http://www.postgresql.org/about/donate