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Posted to issues@spark.apache.org by "Wenchen Fan (JIRA)" <ji...@apache.org> on 2019/01/03 16:38:00 UTC
[jira] [Assigned] (SPARK-26447) Allow OrcColumnarBatchReader to
return less partition columns
[ https://issues.apache.org/jira/browse/SPARK-26447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-26447:
-----------------------------------
Assignee: Gengliang Wang
> Allow OrcColumnarBatchReader to return less partition columns
> -------------------------------------------------------------
>
> Key: SPARK-26447
> URL: https://issues.apache.org/jira/browse/SPARK-26447
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Major
>
> Currently OrcColumnarBatchReader returns all the partition column values in the batch read.
> In data source V2, we can improve it by returning the required partition column values only.
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