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From Gopal Vijayaraghavan <gop...@apache.org>
Subject Re: ORC Stripe Skip Using Stripe Level Index
Date Tue, 24 Jan 2017 19:26:22 GMT

>    I can see that row indices are being used to select only rowgroups that
>    satisfy a search predicate in 
…
>   But, I cannot find where and if the stripe level indices are being used?

https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java#L2031

Read through isStripeSatisfyPredicate and pickStripesInternal.

Cheers,
Gopal 




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