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https://issues.apache.org/jira/browse/SPARK-15117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-15117:
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Target Version/s: (was: 2.5.0)
> Generate code that get a value in each compressed column from CachedBatch
> when DataFrame.cache() is called
> ----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-15117
> URL: https://issues.apache.org/jira/browse/SPARK-15117
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Kazuaki Ishizaki
> Priority: Major
>
> Once SPARK-14098 is merged, we will migrate a feature in this JIRA entry.
> When DataFrame.cache() is called, data is stored as column-oriented storage
> in CachedBatch. 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. This JIRA
> entry supports other primitive types (boolean/byte/short/int/long) whose
> column may be compressed.
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