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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2021/01/02 02:19:00 UTC

[jira] [Created] (SPARK-33956) Add rowCount for Range operator

Yuming Wang created SPARK-33956:
-----------------------------------

             Summary: Add rowCount for Range operator
                 Key: SPARK-33956
                 URL: https://issues.apache.org/jira/browse/SPARK-33956
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.2.0
            Reporter: Yuming Wang


{code:scala}
spark.sql("set spark.sql.cbo.enabled=true")
spark.sql("select id from range(100)").explain("cost")
{code}

Current:
{noformat}
== Optimized Logical Plan ==
Range (0, 100, step=1, splits=None), Statistics(sizeInBytes=800.0 B)
{noformat}

Expected:
{noformat}
== Optimized Logical Plan ==
Range (0, 100, step=1, splits=None), Statistics(sizeInBytes=800.0 B, rowCount=100)
{noformat}




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