[
https://issues.apache.org/jira/browse/SPARK-14098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kazuaki Ishizaki updated SPARK-14098:
-------------------------------------
Summary: Generate Java code to build CachedColumnarBatch and get values
from CachedColumnarBatch when DataFrame.cache() is called (was: Generate code
that get a float/double value in each column from CachedBatch when
DataFrame.cache() is called)
> Generate Java code to build CachedColumnarBatch and get values from
> CachedColumnarBatch 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. 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. While a
> column for a cache may be compressed, this issue handles float and double
> types that are never compressed.
> Other primitive types, whose column may be compressed, will be addressed in
> another entry.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
