From user-return-17339-apmail-cassandra-user-archive=cassandra.apache.org@cassandra.apache.org Sun Jun 5 03:50:01 2011 Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 3B24F6596 for ; Sun, 5 Jun 2011 03:50:01 +0000 (UTC) Received: (qmail 58492 invoked by uid 500); 5 Jun 2011 03:49:58 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 58469 invoked by uid 500); 5 Jun 2011 03:49:58 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 58460 invoked by uid 99); 5 Jun 2011 03:49:58 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Jun 2011 03:49:58 +0000 X-ASF-Spam-Status: No, hits=2.2 required=5.0 tests=HTML_MESSAGE,MIME_QP_LONG_LINE,RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [208.113.200.5] (HELO homiemail-a51.g.dreamhost.com) (208.113.200.5) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 05 Jun 2011 03:49:52 +0000 Received: from homiemail-a51.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a51.g.dreamhost.com (Postfix) with ESMTP id 212A52E8058 for ; Sat, 4 Jun 2011 20:49:31 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; q=dns; s=thelastpickle.com; b=x5LdhHlpJ1 kSdE3/nQCKlnXbuBeGZ5JpAFXIVHf3wS3bA6qYZyENvwRmOaEQ8KYJcc0adhLQOy Di1gvhIvs5vQU8MvS5ClI35KwlX+lgkZs3G6AWXkkBHAWdNxTlbNzVwbMtAY8RSb oRtruAZD6jETdwlM9OGsVhaWna0TnO+jc= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=thelastpickle.com; h=from :mime-version:content-type:subject:date:in-reply-to:to :references:message-id; s=thelastpickle.com; bh=qcThprBoIN3LwqEC xWR4DXbr5U8=; b=Eb/Et8AatC3AEr8xmc7+Yn1aNZjPGUnqhgRsGrYu9LG5GT5K Tb7G8KT52kr/FY4OupIfl+a8RdmSoeDxx/W93x7+RIPfb+JsnV6X53OArSyhQWsm VuN5n9+NICiGPj9yzTDhYoMOgxDjlVz4fyTk75Oj6wd58ym6jSzLW6khr/w= Received: from [10.0.1.151] (121-73-157-230.cable.telstraclear.net [121.73.157.230]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: aaron@thelastpickle.com) by homiemail-a51.g.dreamhost.com (Postfix) with ESMTPSA id 38A972E8057 for ; Sat, 4 Jun 2011 20:49:30 -0700 (PDT) From: aaron morton Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: multipart/alternative; boundary=Apple-Mail-2-373568178 Subject: =?utf-8?Q?Re=3A_=E5=9B=9E=E5=A4=8D=EF=BC=9A_how_to_know_there_ar?= =?utf-8?Q?e_some_columns_in_a_row?= Date: Sun, 5 Jun 2011 15:49:26 +1200 In-Reply-To: <167090.33366.qm@web110407.mail.gq1.yahoo.com> To: user@cassandra.apache.org References: <551354.92754.qm@web110405.mail.gq1.yahoo.com> <167090.33366.qm@web110407.mail.gq1.yahoo.com> Message-Id: X-Mailer: Apple Mail (2.1084) --Apple-Mail-2-373568178 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 You can also use slice a range of columns for a row , e.g. first 100 = columns after column "aaaa".=20 What client are you using ?=20 Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 5 Jun 2011, at 04:19, Yonder wrote: >=20 > Thanks you very much. > but I'm afraid it's not a graceful means if there are billion columns = in a row. > =20 > =E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A Michal August=C3=BDn = > =E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC=9A user@cassandra.apache.org; Yonder = > =E5=8F=91=E9=80=81=E6=97=A5=E6=9C=9F=EF=BC=9A 2011=E5=B9=B46=E6=9C=882=E6= =97=A5, =E6=98=9F=E6=9C=9F=E5=9B=9B, =E4=B8=8B=E5=8D=88 9:25 > =E4=B8=BB=E9=A2=98: Re: how to know there are some columns in a row >=20 > Hi, >=20 > just use "get" Thrift method where "super_column" and "column" > attributes in ColumnPath structure are empty. Yes, it returns both > column names and values but I'm afraid there is no Thrift-way how to > get column names only. >=20 > Augi >=20 > 2011/6/2 Yonder : > > Dear all, > > > > Is there any methods to list column names in a row? > > > > Thanks, > > Yonder > > >=20 >=20 --Apple-Mail-2-373568178 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 You = can also use slice a range of columns for a row , e.g. first 100 columns = after column "aaaa". 

What client are you using = ? 

Cheers

http://www.thelastpickle.com

On 5 Jun 2011, at 04:19, Yonder wrote:


Thanks = you very much.
but I'm afraid it's not a graceful means if there are = billion columns in a row.
 

=E5=8F=91=E4=BB=B6=E4=BA=BA=EF=BC=9A Michal August=C3=BDn <augustyn.michal@gmail.com>= ;
=E6=94=B6=E4=BB=B6=E4=BA=BA=EF=BC= =9A user@cassandra.apache.org; = Yonder <zyzha@yahoo.com.cn>
=E5=8F=91=E9=80=81=E6=97=A5=E6=9C=9F=EF=BC=9A= 2011=E5=B9=B46=E6=9C=882=E6=97=A5, =E6=98=9F=E6=9C=9F=E5=9B=9B= , =E4=B8=8B=E5=8D=88 9:25
=E4=B8=BB=E9=A2=98: Re: how to know there are some columns in a row

Hi,

just = use "get" Thrift method where "super_column" and "column"
attributes = in ColumnPath structure are empty. Yes, it returns both
column names = and values but I'm afraid there is no Thrift-way how to
get column = names only.

Augi

2011/6/2 Yonder <zyzha@yahoo.com.cn>:
> = Dear all,
>
> Is there any methods to list column names in a = row?
>
> Thanks,
> = Yonder
>


=

= --Apple-Mail-2-373568178--