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https://issues.apache.org/jira/browse/SPARK-14098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15209047#comment-15209047
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Kazuaki Ishizaki edited comment on SPARK-14098 at 3/23/16 8:02 PM:
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After fixing some trivial compilation failures of generated Java code, I will
create a PR as WIP soon.
was (Author: kiszk):
After fixing some trivial compilation failures, I will create a PR as WIP soon.
> Generate code that get a value in each column from CachedBatch when
> DataFrame.cache() is called
> -----------------------------------------------------------------------------------------------
>
> Key: SPARK-14098
> URL: https://issues.apache.org/jira/browse/SPARK-14098
> Project: Spark
> Issue Type: Improvement
> Reporter: Kazuaki Ishizaki
>
> When DataFrame.cache() is called, data is stored as column-oriented storage
> in CachedBatch. In some cases, data is compressed.
> The current Catalyst generates Java program to get a value of a column from
> an InternalRow that is translated from CachedBatch. This issue generates Java
> code to get a value of a column from CachedBatch.
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