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From "Xiao Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-23580) Interpreted mode fallback should be implemented for all expressions & projections
Date Mon, 05 Mar 2018 22:14:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386839#comment-16386839
] 

Xiao Li commented on SPARK-23580:
---------------------------------

cc [~kiszk] Could you help this umbrella ticket?

> Interpreted mode fallback should be implemented for all expressions & projections
> ---------------------------------------------------------------------------------
>
>                 Key: SPARK-23580
>                 URL: https://issues.apache.org/jira/browse/SPARK-23580
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.0
>            Reporter: Herman van Hovell
>            Priority: Major
>
> Spark SQL currently does not support interpreted mode for all expressions and projections.
This is a problem for scenario's where were code generation does not work, or blows past the
JVM class limits. We currently cannot gracefully fallback.
> This ticket is an umbrella to fix this class of problem in Spark SQL. This work can be
divided into two main area's:
> - Add interpreted versions for all dataset related expressions.
> - Add an interpreted version of {{GenerateUnsafeProjection}}.



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