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From "Alexander Behm (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IMPALA-3654) Range based pruning for in-predicate
Date Wed, 15 Mar 2017 17:18:41 GMT

     [ https://issues.apache.org/jira/browse/IMPALA-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexander Behm updated IMPALA-3654:
-----------------------------------
    Component/s:     (was: Backend)
                 Frontend

> Range based pruning for in-predicate
> ------------------------------------
>
>                 Key: IMPALA-3654
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3654
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Frontend
>    Affects Versions: Impala 2.6.0
>            Reporter: Michael Ho
>            Priority: Minor
>              Labels: performance, ramp-up
>
> For in-predicates with long in-lists such as TPCDS-Q8, we may benefit by finding the
min and max in the list and use them to prune out unqualified scan ranges or filter out rows
which don't fall into the range.



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