[jira] [Updated] (SPARK-20095) A code bug in CodegenContext.withSubExprEliminationExprs

2019-05-20 Thread Hyukjin Kwon (JIRA) 


 [ 
https://issues.apache.org/jira/browse/SPARK-20095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Hyukjin Kwon updated SPARK-20095:
-
Labels: bulk-closed  (was: )

> A code bug in CodegenContext.withSubExprEliminationExprs
> 
>
> Key: SPARK-20095
> URL: https://issues.apache.org/jira/browse/SPARK-20095
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Affects Versions: 2.1.0
>Reporter: song fengfei
>Priority: Major
>  Labels: bulk-closed
>
> In the function:CodegenContext.withSubExprEliminationExprs...{
>   val oldsubExprEliminationExprs = subExprEliminationExprs
>subExprEliminationExprs.clear
>   ...
> // Restore previous subExprEliminationExprs
> subExprEliminationExprs.clear
> oldsubExprEliminationExprs.foreach(subExprEliminationExprs += _)
> }
> it seems that the oldsubExprEliminationExprs  and subExprEliminationExprs are 
> the same instance,after the second subExprEliminationExprs.clear ,the 
> oldsubExprEliminationExprs is also cleared,so,the  previous 
> subExprEliminationExprs in CodegenContext will not be  Restored.
> Is it a bug?



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[jira] [Updated] (SPARK-20095) A code bug in CodegenContext.withSubExprEliminationExprs

2017-04-01 Thread song fengfei (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-20095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

song fengfei updated SPARK-20095:
-
Priority: Major  (was: Minor)

> A code bug in CodegenContext.withSubExprEliminationExprs
> 
>
> Key: SPARK-20095
> URL: https://issues.apache.org/jira/browse/SPARK-20095
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Affects Versions: 2.1.0
>Reporter: song fengfei
>
> In the function:CodegenContext.withSubExprEliminationExprs...{
>   val oldsubExprEliminationExprs = subExprEliminationExprs
>subExprEliminationExprs.clear
>   ...
> // Restore previous subExprEliminationExprs
> subExprEliminationExprs.clear
> oldsubExprEliminationExprs.foreach(subExprEliminationExprs += _)
> }
> it seems that the oldsubExprEliminationExprs  and subExprEliminationExprs are 
> the same instance,after the second subExprEliminationExprs.clear ,the 
> oldsubExprEliminationExprs is also cleared,so,the  previous 
> subExprEliminationExprs in CodegenContext will not be  Restored.
> Is it a bug?



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