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From James Taylor <jamestay...@apache.org>
Subject Re: Local Indexes are not used to query views
Date Thu, 14 Jan 2016 17:01:48 GMT
Thanks for reporting this, Pedro. I tried it on 4.7-SNAPSHOT and it works
for non local indexes, but not for local indexes. Please file a JIRA.

   James

On Thu, Jan 14, 2016 at 8:34 AM, Pedro Gandola <pedro.gandola@gmail.com>
wrote:

> Hi,
>
> I've noticed that Phoenix (using version 4.4) when querying a view it does
> not consider the original table local indexes to optimise the query.
>
> If I explain my query over the original table it's using the local index
> properly:
>
> *EXPLAIN SELECT * FROM BIDDING_EVENTS WHERE wTs IS NOT NULL;*
>> CLIENT 300-CHUNK PARALLEL 300-WAY RANGE SCAN OVER
>> _LOCAL_IDX_BIDDING_EVENTS [-32768]
>>      SERVER FILTER BY "WTS" IS NOT NULL
>
>
> However, If I create a view using the exact same query and explain I get a
> full scan.
>
>
>> *CREATE VIEW WINS_VIEW AS SELECT * FROM BIDDING_EVENTS WHERE wTs IS NOT
>> NULL; *
>
> *EXPLAIN SELECT * FROM WINS_VIEW;*
>> CLIENT 300-CHUNK PARALLEL 1-WAY FULL SCAN OVER BIDDING_EVENTS
>>      SERVER FILTER BY WTS IS NOT NULL
>
>
> Is this the expected behaviour? Or could this be an issue with 4.4 version?
>
> Thank you
> Cheers
> Pedro
>

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