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Date: Thu, 16 Oct 2014 22:35:34 -0400
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Subject: Re: custom filter on hbase 0.96
From: Matt K <matvey1414@gmail.com>
To: "user@hbase.apache.org" <user@hbase.apache.org>
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Hi, can anyone help with above? Feels like I'm missing something obvious.

On Wednesday, October 15, 2014, Nishanth S <nishanth.2884@gmail.com> wrote:

> Thanks Ted .I will take a look.
>
> -Nishanth
>
> On Wed, Oct 15, 2014 at 3:43 PM, Ted Yu <yuzhihong@gmail.com
> <javascript:;>> wrote:
>
> > Nishanth:
> > Good question.
> >
> > As a general coding guide, writing unit test is always a good start.
> Using
> > Matt's case as an example, take a look at TestPrefixFilter.
> >
> > There're various unit tests for Filters in hbase code.
> >
> > Cheers
> >
> > On Wed, Oct 15, 2014 at 2:30 PM, Nishanth S <nishanth.2884@gmail.com
> <javascript:;>>
> > wrote:
> >
> > > Hi Ted ,
> > >  Since I am also working on similar thing is there a way we can  first
> > test
> > > the filter on client side?.You know what I  mean without disrupting
> > others
> > > who are using the same cluster for other work?
> > >
> > > Thanks,
> > > Nishanth
> > >
> > > On Wed, Oct 15, 2014 at 3:17 PM, Ted Yu <yuzhihong@gmail.com
> <javascript:;>> wrote:
> > >
> > > > bq. Or create a new file, compile it into ...
> > > >
> > > > You should go with the above approach.
> > > >
> > > > On Wed, Oct 15, 2014 at 2:08 PM, Matt K <matvey1414@gmail.com
> <javascript:;>> wrote:
> > > >
> > > > > Hi all,
> > > > >
> > > > > I'm trying to get a custom filter to work on HBase 0.96. After some
> > > > > searching, I found that starting from 0.96, the implementer is
> > required
> > > > to
> > > > > implement "toByteArray" and "parseFrom" methods, using Protocol
> > > Buffers.
> > > > > But I'm having trouble with the "how".
> > > > >
> > > > > The "proto" file for the existing filters is located here:
> > > > >
> > > > >
> > > >
> > >
> >
> https://github.com/apache/hbase/blob/master/hbase-protocol/src/main/protobuf/Filter.proto
> > > > >
> > > > > Am I supposed to modify that file? Or create a new file, compile it
> > > into
> > > > > Java, and package it up with the filter?
> > > > >
> > > > > In the meantime, I've taken a shortcut that's not working. Here's
> my
> > > > code:
> > > > > http://pastebin.com/iHFKu9Xz
> > > > >
> > > > > I'm using "PrefixFilter", which comes with HBase, since I'm also
> > > > filtering
> > > > > by "prefix". However, that errors out with the following:
> > > > > http://pastebin.com/zBg47p6Z
> > > > >
> > > > > Thanks in advance for helping!
> > > > >
> > > > > -Matt
> > > > >
> > > >
> > >
> >
>


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