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From: "Courtney Robinson" <sabco@live.co.uk>
To: <user@cassandra.apache.org>
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Subject: Re: column limit on multiget_slice or get_slice
Date: Tue, 14 Sep 2010 11:48:59 +0100
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Ahhh, excellent.
thank you


From: Chen Xinli=20
Sent: Tuesday, September 14, 2010 10:51 AM
To: user@cassandra.apache.org=20
Subject: Re: column limit on multiget_slice or get_slice


you can use get_slice:=20
public List<ColumnOrSuperColumn> get_slice(String keyspace, String key, =
ColumnParent column_parent, SlicePredicate predicate, ConsistencyLevel =
consistency_level) throws InvalidRequestException, UnavailableException, =
TimedOutException, TException;

In the SlicePredicate.SliceRange, set start and finish to empty, count =
to x


2010/9/14 Courtney Robinson <sabco@live.co.uk>

  Is it possible to get the first x columns from a row without knowing =
the column names?
  So far i've been working with just grabbing all the columns in a row =
or just getting a specific column that i know the name of.
  If it is possible, can anyone point me in the right direction of how =
to do this?
  I'm using 0.6.4 with the thrift interface in java, i use hector but =
i'd much prefer knowing how its done via thrift first :)
  thanks=20


--=20
Best Regards,
Chen Xinli

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META name=3DGENERATOR content=3D"MSHTML 8.00.7600.16625"></HEAD>
<BODY style=3D"PADDING-LEFT: 10px; PADDING-RIGHT: 10px; PADDING-TOP: =
15px"=20
id=3DMailContainerBody leftMargin=3D0 topMargin=3D0 =
CanvasTabStop=3D"true"=20
name=3D"Compose message area">
<DIV><FONT face=3DCalibri>Ahhh, excellent.</FONT></DIV>
<DIV><FONT face=3DCalibri>thank you</FONT></DIV>
<DIV style=3D"FONT: 10pt Tahoma">
<DIV><BR></DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A =
title=3Dchen.daqi@gmail.com=20
href=3D"mailto:chen.daqi@gmail.com">Chen Xinli</A> </DIV>
<DIV><B>Sent:</B> Tuesday, September 14, 2010 10:51 AM</DIV>
<DIV><B>To:</B> <A title=3Duser@cassandra.apache.org=20
href=3D"mailto:user@cassandra.apache.org">user@cassandra.apache.org</A> =
</DIV>
<DIV><B>Subject:</B> Re: column limit on multiget_slice or=20
get_slice</DIV></DIV></DIV>
<DIV><BR></DIV>you can use get_slice: <BR>public =
List&lt;ColumnOrSuperColumn&gt;=20
get_slice(String keyspace, String key, ColumnParent column_parent,=20
SlicePredicate predicate, ConsistencyLevel consistency_level) throws=20
InvalidRequestException, UnavailableException, TimedOutException,=20
TException;<BR><BR>In the SlicePredicate.SliceRange, set start and =
finish to=20
empty, count to x<BR><BR>
<DIV class=3Dgmail_quote>2010/9/14 Courtney Robinson <SPAN =
dir=3Dltr>&lt;<A=20
href=3D"mailto:sabco@live.co.uk">sabco@live.co.uk</A>&gt;</SPAN><BR>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0pt 0pt 0pt =
0.8ex; PADDING-LEFT: 1ex"=20
class=3Dgmail_quote>Is it possible to get the first x columns from a row =
without=20
  knowing the column names?<BR>So far i've been working with just =
grabbing all=20
  the columns in a row or just getting a specific column that i know the =
name=20
  of.<BR>If it is possible, can anyone point me in the right direction =
of how to=20
  do this?<BR>I'm using 0.6.4 with the thrift interface in java, i use =
hector=20
  but i'd much prefer knowing how its done via thrift first :)<BR>thanks =

<BR></BLOCKQUOTE></DIV><BR><BR clear=3Dall><BR>-- <BR>Best =
Regards,<BR>Chen=20
Xinli<BR></BODY></HTML>

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