[jira] [Assigned] (SPARK-33070) Optimizer rules for HigherOrderFunctions

2020-12-25 Thread Apache Spark (Jira)


 [ 
https://issues.apache.org/jira/browse/SPARK-33070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-33070:


Assignee: Apache Spark

> Optimizer rules for HigherOrderFunctions
> 
>
> Key: SPARK-33070
> URL: https://issues.apache.org/jira/browse/SPARK-33070
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Affects Versions: 3.2.0
>Reporter: Tanel Kiis
>Assignee: Apache Spark
>Priority: Minor
>
> SimpleHigherOrderFunction like ArrayTransform, ArrayFilter, etc, can be 
> combined and reordered to achieve more optimal plan.
> Possible rules:
> * Combine 2 consecutive array transforms
> * Combine 2 consecutive array filters
> * Push array filter through array sort
> * Remove array sort before array exists and array forall.
> * Combine 2 consecutive map filters



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[jira] [Assigned] (SPARK-33070) Optimizer rules for HigherOrderFunctions

2020-12-25 Thread Apache Spark (Jira)


 [ 
https://issues.apache.org/jira/browse/SPARK-33070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-33070:


Assignee: (was: Apache Spark)

> Optimizer rules for HigherOrderFunctions
> 
>
> Key: SPARK-33070
> URL: https://issues.apache.org/jira/browse/SPARK-33070
> Project: Spark
>  Issue Type: Improvement
>  Components: SQL
>Affects Versions: 3.2.0
>Reporter: Tanel Kiis
>Priority: Minor
>
> SimpleHigherOrderFunction like ArrayTransform, ArrayFilter, etc, can be 
> combined and reordered to achieve more optimal plan.
> Possible rules:
> * Combine 2 consecutive array transforms
> * Combine 2 consecutive array filters
> * Push array filter through array sort
> * Remove array sort before array exists and array forall.
> * Combine 2 consecutive map filters



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