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https://issues.apache.org/jira/browse/SPARK-14098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kazuaki Ishizaki updated SPARK-14098:
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Summary: Generate code that get a float/double value in each column from
CachedBatch when DataFrame.cache() is called (was: Generate code that get a
value in each column from CachedBatch when DataFrame.cache() is called)
> Generate code that get a float/double 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
> Components: SQL
> 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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