Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id EA182632DCB for ; Mon, 19 Jul 2010 11:59:52 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 73462-09 for ; Mon, 19 Jul 2010 14:59:45 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mail-pw0-f46.google.com (mail-pw0-f46.google.com [209.85.160.46]) by mail.postgresql.org (Postfix) with ESMTP id 4ABD66321A0 for ; Mon, 19 Jul 2010 11:59:45 -0300 (ADT) Received: by pwi5 with SMTP id 5so1685671pwi.19 for ; Mon, 19 Jul 2010 07:59:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:cc :subject:references:mime-version:content-type:content-disposition :in-reply-to:user-agent; bh=2rGyurMPktxiUAXHvfp4utqUtspEIP82Gk3fiG2niCc=; b=QfJo1sgOZTjm/b7D7izt7QURDswe++OXzhv8osBRVjf5mbltQwyHRjZb4HsJGMnH0P KwR9iCW3Lh8dvAiGy/7k0Y1UgghrZGrcU/jAEVdupqcxowA38cfLfhjilq+CSnEPQZHk prpJNGg4fmDSnC4xcXplNMpfqw0dnXBUY8nNM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:cc:subject:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=j8+P4y5t8GWF9Vs8TXsHx6KHkfZSFdLaARnk0nNmENzk13SAtwfBCBJ3OQnzx4Ma3W mZbKPn52YB1JbQCJ3ukZt039L8+Zcef+QqZl8BwwfKc2SR00PMKwTKQFKRkmv2jFbPad ynfQqLwdN9C8bwi7V5SK+ZA8jk4+bx6XBkcA0= Received: by 10.114.61.20 with SMTP id j20mr7146003waa.195.1279551584067; Mon, 19 Jul 2010 07:59:44 -0700 (PDT) Received: from eddie (c-67-186-205-129.hsd1.ut.comcast.net [67.186.205.129]) by mx.google.com with ESMTPS id k23sm77711486waf.17.2010.07.19.07.59.39 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 19 Jul 2010 07:59:40 -0700 (PDT) Message-ID: <4c44685c.17bb720a.5673.48c5@mx.google.com> Date: Mon, 19 Jul 2010 08:59:38 -0600 From: Joshua Tolley To: Tom Lane Cc: Steve Atkins , pgsql-docs Subject: Re: Railroad diagrams, a-la sqlite References: <2AACFC47-C121-4549-B015-AC4FCA9380CE@blighty.com> <8051.1279377013@sss.pgh.pa.us> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="KR/qxknboQ7+Tpez" Content-Disposition: inline In-Reply-To: <8051.1279377013@sss.pgh.pa.us> User-Agent: Mutt/1.5.18 (2008-05-17) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-5 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201007/134 X-Sequence-Number: 5790 --KR/qxknboQ7+Tpez Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jul 17, 2010 at 10:30:13AM -0400, Tom Lane wrote: > Steve Atkins writes: > > Has everyone seen the "railroad diagrams" sqlite use in their docs? htt= p://www.sqlite.org/lang_createindex.html , as one example. >=20 > They look great for simple cases, but I can't imagine them being very > useful for SELECT, as an example. You mean like these from Oracle? http://is.gd/dya2n In general, looking at those diagrams irritates me, but I think that's most= ly because Oracle's documentation irritates me generally. The SELECT version speicifically is probably not terribly useful, IMO. -- Joshua Tolley / eggyknap End Point Corporation http://www.endpoint.com --KR/qxknboQ7+Tpez Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkxEaFoACgkQRiRfCGf1UMNtgwCgjRw7WKb36Kk4b6fS3c1OV9Ad KRYAn07jEHMmiAxta+jsPTDLjRkV99Ll =4BF+ -----END PGP SIGNATURE----- --KR/qxknboQ7+Tpez--