Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.92) (envelope-from ) id 1j7EsU-0006RO-BS for pgsql-hackers@arkaria.postgresql.org; Thu, 27 Feb 2020 08:50:42 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1j7EsS-0000HT-Tb for pgsql-hackers@arkaria.postgresql.org; Thu, 27 Feb 2020 08:50:40 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1j7EsS-0000HI-AP for pgsql-hackers@lists.postgresql.org; Thu, 27 Feb 2020 08:50:40 +0000 Received: from mail-wm1-x334.google.com ([2a00:1450:4864:20::334]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1j7EsN-0007DV-3x for pgsql-hackers@postgresql.org; Thu, 27 Feb 2020 08:50:38 +0000 Received: by mail-wm1-x334.google.com with SMTP id a141so2394572wme.2 for ; Thu, 27 Feb 2020 00:50:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cybertec-at.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:comments:mime-version :content-id:content-transfer-encoding:date:message-id; bh=VQixdUw1shoozWm86ZaLcKQRBMg4ZTA7yCmeLiYNno8=; b=bSVtWjNabryVwlMipOD8B+xn0EphEOJrrMMmbxgLyhgcZ46fBJy4+6awpUpezDAcjd lacyIqylCnkaJ3UpbMp1zx5Fq7/csDmrt0vid3xxETaGkyKLHWiqDHfCWUS3LjmCtv1+ QFw4dSLz5Lwk8W9BoN00TMrfxiOa+gPfeoPaJg4rilAK7uKBJyAtGN5/+TdYmi3zkC01 mK55r8W+Ecdv6torPVw8I/gra/EDnDBgO5qdOsS11bqpvQuc4qzzC/iw/B8GLnJcehOI nPNjbGmDgH9fuCDRw/Ov0M39RidHttX2KzOSQqkaD9Bo5Uh/arUC67Q0nXll2lNcpB00 389g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references :comments:mime-version:content-id:content-transfer-encoding:date :message-id; bh=VQixdUw1shoozWm86ZaLcKQRBMg4ZTA7yCmeLiYNno8=; b=P0BgjVpYJERan9rSEmMpQhPyGwyDFdXOwE6HqOVlULX37zjKANIjb3NV7xJB8jC3IX fVTGtv14RnxauevEigKhjgnSeagx9Ao3lUBWHhdY9YBrHi5C1UO7WJpQ6MqVBUZM17km rsYzfGdJYlaKRlT+Zyoh4noCjt1ZmycrWu7xucc+pYly9XJecq5h/XmdhiMGiZEwXSmk brJB+mY+YYYnzQmedW9skMS+G/D7MGYqLR32q/qNlJUoIVmbZtlVBJmkq+RyxpeWQWXl 3RnnuWL2W18+cWYzsYMXPNbNn4zVGTYJxQIuZbjXwwWeAjKWE1OxVMII4ZLHeoCBGSl3 9ukA== X-Gm-Message-State: APjAAAWLyB4suS1XuJpOe7xf26+8aG+qbfdYocLG2hEH7v264nv/oPti 60pEMSzqBFW7qAPBHJeRXgxgXQ== X-Google-Smtp-Source: APXvYqz9vcHNcSbRvugBwPioLRbHR+jz2JTZvmkLew9KZwqLP8aOU0prDP81kfZg35tbWRDjouiaeQ== X-Received: by 2002:a1c:38c7:: with SMTP id f190mr3840049wma.94.1582793433177; Thu, 27 Feb 2020 00:50:33 -0800 (PST) Received: from antos ([77.87.240.5]) by smtp.gmail.com with ESMTPSA id k16sm7302115wrd.17.2020.02.27.00.50.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2020 00:50:32 -0800 (PST) From: Antonin Houska To: legrand legrand cc: pgsql-hackers@postgresql.org Subject: Re: WIP: Aggregation push-down In-reply-to: <1582751446111-0.post@n3.nabble.com> References: <11172.1550780283@sss.pgh.pa.us> <23468.1551369774@localhost> <1897.1562680064@spoje.net> <13971.1562920911@spoje.net> <19857.1563374392@localhost> <20190904202339.GA13644@alvherre.pgsql> <7087.1567663858@localhost> <1582751446111-0.post@n3.nabble.com> Comments: In-reply-to legrand legrand message dated "Wed, 26 Feb 2020 14:10:46 -0700." X-Mailer: MH-E 8.6+git; nmh 1.7; GNU Emacs 26.3.50 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <20714.1582793501.1@antos> Content-Transfer-Encoding: quoted-printable Date: Thu, 27 Feb 2020 09:51:41 +0100 Message-ID: <20715.1582793501@antos> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk legrand legrand wrote: > Antonin Houska-2 wrote > > Right now I recall two problems: 1) is the way I currently store > > RelOptInfo for the grouped relations correct?, 2) how should we handle > > types for which logical equality does not imply physical (byte-wise) > > equality? > > = > > Fortunately it seems now that I'm not the only one who cares about 2),= so > > this > > problem might be resolved soon: > > = > > https://www.postgresql.org/message-id/CAH2-Wzn3Ee49Gmxb7V1VJ3-AC8fWn-F= r8pfWQebHe8rYRxt5OQ%40mail.gmail.com > > = > > But 1) still remains. > > = > = > Hello > would "pgsql: Add equalimage B-Tree support functions." = > https://www.postgresql.org/message-id/E1j72NY-0002gi-2B@gemulon.postgres= ql.org Yes, it seems so. I'll adapt the patch soon, hopefully next week. Thanks f= or reminder. -- = Antonin Houska Web: https://www.cybertec-postgresql.com