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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-21644) LocalLimit.maxRows is defined incorrectly
Date Mon, 28 Aug 2017 16:54:03 GMT

     [ https://issues.apache.org/jira/browse/SPARK-21644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-21644:
------------------------------------

    Assignee: Apache Spark  (was: Reynold Xin)

> LocalLimit.maxRows is defined incorrectly
> -----------------------------------------
>
>                 Key: SPARK-21644
>                 URL: https://issues.apache.org/jira/browse/SPARK-21644
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Reynold Xin
>            Assignee: Apache Spark
>
> {code}
> case class LocalLimit(limitExpr: Expression, child: LogicalPlan) extends UnaryNode {
>   override def output: Seq[Attribute] = child.output
>   override def maxRows: Option[Long] = {
>     limitExpr match {
>       case IntegerLiteral(limit) => Some(limit)
>       case _ => None
>     }
>   }
> }
> {code}
> This is simply wrong, since LocalLimit is only about partition level limits.



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