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Posted to issues@spark.apache.org by "Kazuaki Ishizaki (JIRA)" <ji...@apache.org> on 2016/04/25 17:48:13 UTC

[jira] [Updated] (SPARK-14098) Generate code that get a value in each column from CachedBatch when DataFrame.cache() is called

     [ https://issues.apache.org/jira/browse/SPARK-14098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kazuaki Ishizaki updated SPARK-14098:
-------------------------------------
    Target Version/s: 2.0.0

> 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
>          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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