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Posted to issues@spark.apache.org by "Sameer Agarwal (JIRA)" <ji...@apache.org> on 2018/01/08 20:56:00 UTC

[jira] [Updated] (SPARK-15117) Generate code that get a value in each compressed column from CachedBatch when DataFrame.cache() is called

     [ https://issues.apache.org/jira/browse/SPARK-15117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sameer Agarwal updated SPARK-15117:
-----------------------------------
    Target Version/s: 2.4.0  (was: 2.3.0)

> 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
>
> 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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