From dev-return-8634-archive-asf-public=cust-asf.ponee.io@arrow.apache.org Sat Oct 20 18:56:10 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 896C0180668 for ; Sat, 20 Oct 2018 18:56:09 +0200 (CEST) Received: (qmail 36996 invoked by uid 500); 20 Oct 2018 16:56:08 -0000 Mailing-List: contact dev-help@arrow.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@arrow.apache.org Delivered-To: mailing list dev@arrow.apache.org Received: (qmail 36981 invoked by uid 99); 20 Oct 2018 16:56:07 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 20 Oct 2018 16:56:07 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 2F259CCE63 for ; Sat, 20 Oct 2018 16:56:07 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -0.103 X-Spam-Level: X-Spam-Status: No, score=-0.103 tagged_above=-999 required=6.31 tests=[DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id 9NIpimt9X9mN for ; Sat, 20 Oct 2018 16:56:06 +0000 (UTC) Received: from mail-lj1-f177.google.com (mail-lj1-f177.google.com [209.85.208.177]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 361685F1EA for ; Sat, 20 Oct 2018 16:56:06 +0000 (UTC) Received: by mail-lj1-f177.google.com with SMTP id o14-v6so33463814ljj.2 for ; Sat, 20 Oct 2018 09:56:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :content-transfer-encoding; bh=eAeCM5go4IcBZFoX391P53wO3c28qGh1vhuuonJFses=; b=DJ/X1oMYlVejeaoQo3XSTtHmgk4N1y7lGYU5f86it57NPT5/jbM4SyacYTHIFKUoEo tDKYz8jqm8qYHPHzCTjhn+KHTs5DMbGh6lWAya9eEd9qyVjENDvtBNdS49aXMRTVKlGA the5Lh9lg2yWjCe2fFRREt3LEmblI0TrM+nTcmp+/sXZ5W0svMpgqYtEwh3HBNc63KhS TnKHB9XH8XjFJKhrAkEpxTmRoUmfcHkAI5GqzrsVpGFR5ZgzTUZaNYR9jr5+oX/khzka 6wiqM6BsM9NqdoLE8zdgswcbeD2oQdL1Ytj19mw1DQ3Q4ErB1PM+67o7ohTz8CbFzWPI Y+nQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:content-transfer-encoding; bh=eAeCM5go4IcBZFoX391P53wO3c28qGh1vhuuonJFses=; b=D0PYebOOFsHYbpSQdUR53Zf+H3jDte+/k9CNf2eem16YHWiVvFctRuv5XJB6BlgRFM 5aFMrsfC5YCCwzwgBIyLB64Tx2adEYRe3m/getqkHMsd9ZIRYf6fGZVjSBJ4OtcM1TyP HjbCuI8oax2gVxQsugjZZgh+ZSI9tihZ2lIwmkFwWsTh560Nx4InFKACya5ozxHJGvbH W27Yo9T/9CjU1QAv4ckQKexLN+A6CUzlBpp7Y8s6AszoggStqSiH6YHhjbhIWv3xAaIG eFfSoX2KNdFjygbiW6+Za8VOHsT+UMYyhpVIqXwhlYoix024WdK54VIQug7B1LFL4luV 7Jag== X-Gm-Message-State: ABuFfoge+MISSo9Lg6dEGcSQHCZrJ9QQImTFBfgm6mncFVrVYn2SZ6eJ rLQ30KCUOuTZg7Kwe4eq8XhsQ7NwcfxcHZVP5uFt8fIP X-Google-Smtp-Source: ACcGV60HYhgDlMlF+aBzXp+F2NRbY80o8EfiwP0CiHlJ58K9gq5EN7mivtvX2Uif4/CRYpQ1i2E34AnWlkkLdX/HxuA= X-Received: by 2002:a2e:3211:: with SMTP id y17-v6mr27757911ljy.39.1540054564281; Sat, 20 Oct 2018 09:56:04 -0700 (PDT) MIME-Version: 1.0 References: <5bc89fad.1c69fb81.b46a1.1646@mx.google.com> In-Reply-To: <5bc89fad.1c69fb81.b46a1.1646@mx.google.com> From: Wes McKinney Date: Sat, 20 Oct 2018 12:55:27 -0400 Message-ID: Subject: Re: Support for TIMESTAMP_NANOS in parquet-cpp To: dev@arrow.apache.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable hi Roman, We would welcome adding such a document to the Arrow wiki https://cwiki.apache.org/confluence/display/ARROW. As to your other questions, it really depends on whether there is a member of the Parquet community who will do the work. Patches that implement any released functionality in the Parquet format specification are welcome. Thanks Wes On Thu, Oct 18, 2018 at 10:59 AM Roman Karlstetter wrote: > > Hi everyone, > in parquet-format, there is now support for TIMESTAMP_NANOS: https://gith= ub.com/apache/parquet-format/pull/102 > For parquet-cpp, this is not yet supported. I have a few questions now: > =E2=80=A2 is there an overview of what release of parquet-format is curre= ntly fully support in parquet-cpp (something like a feature support matrix)= ? > =E2=80=A2 how fast are new features in parquet-format adopted? > I think having a document describing the current completeness of implemen= tation of the spec would be very helpful for users of the parquet-cpp libra= ry. > Thanks, > Roman > >