Tanel Kiis created SPARK-33070:
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Summary: Optimizer rules for SimpleHigherOrderFunction
Key: SPARK-33070
URL: https://issues.apache.org/jira/browse/SPARK-33070
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.0
Reporter: Tanel Kiis
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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