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Posted to issues@drill.apache.org by "Venki Korukanti (JIRA)" <ji...@apache.org> on 2015/03/09 18:40:38 UTC

[jira] [Resolved] (DRILL-2209) Save on CPU cycles by adding Project with column that has hash calculated

     [ https://issues.apache.org/jira/browse/DRILL-2209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Venki Korukanti resolved DRILL-2209.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 0.8.0

Fixed in [45fe19c|https://github.com/apache/drill/commit/f658a3c513ddf7f2d1b0ad7aa1f3f65049a594fe].

> Save on CPU cycles by adding Project with column that has hash calculated
> -------------------------------------------------------------------------
>
>                 Key: DRILL-2209
>                 URL: https://issues.apache.org/jira/browse/DRILL-2209
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Execution - Flow, Query Planning & Optimization
>            Reporter: Yuliya Feldman
>            Assignee: Yuliya Feldman
>             Fix For: 0.8.0
>
>
> Related to DRILL-133. Wrapping HashToRandomExhcnage and/or LocalExchange with Project operator with additional column that represents hash function of column(s) we are hashing on. This is to save CPU cycles and not recalculate hash every time



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