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From Sergey Soldatov <sergeysolda...@gmail.com>
Subject Re: How can I "use" a hbase co-processor from a User Defined Function?
Date Tue, 18 Apr 2017 21:36:12 GMT
I may be wrong, but you have chosen wrong approach. Such kind of
integration need to be (should be) done on the Phoenix layer in the way
like global/local indexes are implemented.

Thanks,
Sergey

On Tue, Apr 18, 2017 at 12:34 PM, Cheyenne Forbes <
cheyenne.osanu.forbes@gmail.com> wrote:

> I am creating a plugin that uses Lucene to index text fields and I need to
> access *getConf()* and *getFilesystem()* of *HRegion, *the Lucene indexes
> are split with the regions so I need  " *HRegion MyVar; ", *I am positive
> the UDF will run on the region server and not the client*.*
>
> Regards,
>
> Cheyenne O. Forbes
>
>
> On Tue, Apr 18, 2017 at 1:22 PM, James Taylor <jamestaylor@apache.org>
> wrote:
>
>> Shorter answer is "no". Your UDF may be executed on the client side as
>> well (depending on the query) and there is of course no HRegion available
>> from the client.
>>
>> On Tue, Apr 18, 2017 at 11:10 AM Sergey Soldatov <
>> sergeysoldatov@gmail.com> wrote:
>>
>>> Well, theoretically there is a way of having a coprocessor that will
>>> keep static public map of current rowkey processed by Phoenix and the
>>> correlated HRegion instance and get this HRegion using the key that is
>>> processed by evaluate function. But it's a completely wrong approach for
>>> both HBase and Phoenix. And it's not clear for me why SQL query may need
>>> access to the region internals.
>>>
>>> Thanks,
>>> Sergey
>>>
>>> On Mon, Apr 17, 2017 at 10:04 PM, Cheyenne Forbes <
>>> cheyenne.osanu.forbes@gmail.com> wrote:
>>>
>>>> so there is no way of getting HRegion in a UDF?
>>>>
>>>
>>>
>

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