[jira] [Assigned] (SPARK-20253) Remove unnecessary nullchecks of a return value from Spark runtime routines in generated Java code

2017-04-09 Thread Wenchen Fan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-20253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wenchen Fan reassigned SPARK-20253:
---

Assignee: Kazuaki Ishizaki

> Remove unnecessary nullchecks of a return value from Spark runtime routines 
> in generated Java code
> --
>
> Key: SPARK-20253
> URL: https://issues.apache.org/jira/browse/SPARK-20253
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Affects Versions: 2.2.0
>Reporter: Kazuaki Ishizaki
>Assignee: Kazuaki Ishizaki
> Fix For: 2.2.0
>
>
> While we know several Spark runtime routines never return null (e.g. 
> {{UnsafeArrayData.toDoubleArray()}}, the generated code by Catalyst always 
> checks whether the return value is null or not.
> It is good to remove this nullcheck for reducing Java bytecode size and 
> reducing the native code size.



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[jira] [Assigned] (SPARK-20253) Remove unnecessary nullchecks of a return value from Spark runtime routines in generated Java code

2017-04-07 Thread Apache Spark (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-20253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-20253:


Assignee: (was: Apache Spark)

> Remove unnecessary nullchecks of a return value from Spark runtime routines 
> in generated Java code
> --
>
> Key: SPARK-20253
> URL: https://issues.apache.org/jira/browse/SPARK-20253
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Affects Versions: 2.2.0
>Reporter: Kazuaki Ishizaki
>
> While we know several Spark runtime routines never return null (e.g. 
> {{UnsafeArrayData.toDoubleArray()}}, the generated code by Catalyst always 
> checks whether the return value is null or not.
> It is good to remove this nullcheck for reducing Java bytecode size and 
> reducing the native code size.



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[jira] [Assigned] (SPARK-20253) Remove unnecessary nullchecks of a return value from Spark runtime routines in generated Java code

2017-04-07 Thread Apache Spark (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-20253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-20253:


Assignee: Apache Spark

> Remove unnecessary nullchecks of a return value from Spark runtime routines 
> in generated Java code
> --
>
> Key: SPARK-20253
> URL: https://issues.apache.org/jira/browse/SPARK-20253
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Affects Versions: 2.2.0
>Reporter: Kazuaki Ishizaki
>Assignee: Apache Spark
>
> While we know several Spark runtime routines never return null (e.g. 
> {{UnsafeArrayData.toDoubleArray()}}, the generated code by Catalyst always 
> checks whether the return value is null or not.
> It is good to remove this nullcheck for reducing Java bytecode size and 
> reducing the native code size.



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