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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2022/01/06 10:12:00 UTC

[jira] [Created] (SPARK-37828) Push down filters through RebalancePartitions

Yuming Wang created SPARK-37828:
-----------------------------------

             Summary: Push down filters through RebalancePartitions
                 Key: SPARK-37828
                 URL: https://issues.apache.org/jira/browse/SPARK-37828
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: Yuming Wang


How to reproduce this issue:

{code:scala}
spark.sql("SELECT * FROM (SELECT /*+ REBALANCE */  * from range(10)) t11 WHERE id = 3").explain(true)
{code}
Output:
{noformat}
== Optimized Logical Plan ==
Filter (id#0L = 3)
+- RebalancePartitions
   +- Range (0, 10, step=1, splits=None)
{noformat}

Expected:
{noformat}
== Optimized Logical Plan ==
RebalancePartitions
+- Filter (id#0L = 3)
   +- Range (0, 10, step=1, splits=None)

{noformat}





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