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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Custom Filter on hbase Column
Date Thu, 11 Sep 2014 18:24:49 GMT
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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