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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/01/13 08:56:39 UTC
[jira] [Assigned] (SPARK-12771) Improve code generation for
CaseWhen
[ https://issues.apache.org/jira/browse/SPARK-12771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-12771:
------------------------------------
Assignee: Apache Spark
> Improve code generation for CaseWhen
> ------------------------------------
>
> Key: SPARK-12771
> URL: https://issues.apache.org/jira/browse/SPARK-12771
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Apache Spark
>
> The generated code for CaseWhen uses a control variable "got" to make sure we do not evaluate more branches once a branch is true. Changing that to generate just simple "if / else" would be slightly more efficient.
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