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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/01/02 02:26:00 UTC
[jira] [Commented] (SPARK-33956) Add rowCount for Range operator
[ https://issues.apache.org/jira/browse/SPARK-33956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257279#comment-17257279 ]
Apache Spark commented on SPARK-33956:
--------------------------------------
User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/30989
> 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
> Priority: Major
>
> {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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