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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/12/25 20:05:00 UTC
[jira] [Assigned] (SPARK-33070) Optimizer rules for
HigherOrderFunctions
[ 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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