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Posted to issues@impala.apache.org by "Zoltán Borók-Nagy (JIRA)" <ji...@apache.org> on 2018/11/05 11:04:00 UTC

[jira] [Resolved] (IMPALA-7543) Enhance scan ranges to support sub-ranges

     [ https://issues.apache.org/jira/browse/IMPALA-7543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltán Borók-Nagy resolved IMPALA-7543.
---------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.1.0

> Enhance scan ranges to support sub-ranges
> -----------------------------------------
>
>                 Key: IMPALA-7543
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7543
>             Project: IMPALA
>          Issue Type: Sub-task
>            Reporter: Zoltán Borók-Nagy
>            Assignee: Zoltán Borók-Nagy
>            Priority: Major
>             Fix For: Impala 3.1.0
>
>
> For IMPALA-5843 we need to have smarter scan ranges that only read a list of inner ranges.
> It'll be useful for Parquet files that have page index, so Impala will only read the relevant pages.
> More information can be found in [https://docs.google.com/document/d/1D-el8njq_I-JKd3NDcW1mRXID_n0dBDKIkjWxwULVus]
>  



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