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From Nishanth S <nishanth.2...@gmail.com>
Subject Re: Custom Filter on hbase Column
Date Thu, 11 Sep 2014 21:37:19 GMT
Hey All,

I am sorry if this is a naive question.Do we need to generate a proto file
using proto buffer compiler when implementing a filter.I did not see that
any where in the documentation.Can some one  help please?

On Thu, Sep 11, 2014 at 12:41 PM, Nishanth S <nishanth.2884@gmail.com>
wrote:

> Thanks Dima and Ted.Yes I need to  return the first the 1000
> characters.There is no matching involved.
>
> -Nishan
>
> On Thu, Sep 11, 2014 at 12:24 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>
>> In Nishanth's case, the 5K message is stored in one KeyValue, right ?
>>
>> If only the first 1000 Characters of this message are to be returned,
>> a new KeyValue
>> needs to be composed and returned.
>>
>> Cheers
>>
>> On Thu, Sep 11, 2014 at 11:09 AM, Dima Spivak <dspivak@cloudera.com>
>> wrote:
>>
>> > Hi Nishanth,
>> >
>> > Take a look at http://hbase.apache.org/book/client.filter.html . If I
>> > understand your use case correctly, you might want to look at
>> > RegexStringComparator to match the first 1000 characters of your column
>> > qualifier.
>> >
>> > -Dima
>> >
>> > On Thu, Sep 11, 2014 at 12:37 PM, Nishanth S <nishanth.2884@gmail.com>
>> > wrote:
>> >
>> > > Hi All,
>> > >
>> > > I have an hbase table with multiple cfs (say c1,c2,c3).Each of this
>> > column
>> > > family has  a column 'message' which is about 5K.What I need to do is
>> to
>> > > grab only the first 1000 Characters of this message when I do a get on
>> > the
>> > > table using row Key.I was thinking of using  filters to do this on
>> hbase
>> > > sever side.Can some one help me on how to go about this.
>> > >
>> > >
>> > > Thanks,
>> > > Nishan
>> > >
>> >
>>
>
>

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