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https://issues.apache.org/jira/browse/SPARK-3953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14171662#comment-14171662
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Apache Spark commented on SPARK-3953:
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User 'sarutak' has created a pull request for this issue:
https://github.com/apache/spark/pull/2807
> Confusable variable name.
> -------------------------
>
> Key: SPARK-3953
> URL: https://issues.apache.org/jira/browse/SPARK-3953
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.2.0
> Reporter: Kousuke Saruta
> Priority: Minor
>
> In SqlParser.scala, there is following code.
> {code}
> case d ~ p ~ r ~ f ~ g ~ h ~ o ~ l =>
> val base = r.getOrElse(NoRelation)
> val withFilter = f.map(f => Filter(f, base)).getOrElse(base)
> {code}
> in the code above, there 2 variables which has same name "f" in near place.
> One is receiver "f" and other is bound variable "f".
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