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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/06/29 17:30:00 UTC

[jira] [Assigned] (SPARK-24696) ColumnPruning rule fails to remove extra Project

     [ https://issues.apache.org/jira/browse/SPARK-24696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li reassigned SPARK-24696:
-------------------------------

    Assignee: Maryann Xue

> ColumnPruning rule fails to remove extra Project
> ------------------------------------------------
>
>                 Key: SPARK-24696
>                 URL: https://issues.apache.org/jira/browse/SPARK-24696
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.1
>            Reporter: Xiao Li
>            Assignee: Maryann Xue
>            Priority: Major
>
> {code}
>    test("optimization infinite loop") {
>     withTempDir { dir =>
>       val path = dir.getCanonicalPath
>       import testImplicits._
>       Seq((3, "a")).toDF("id", "value").write.format("parquet").mode("overwrite").save(path)
>       import org.apache.spark.sql.functions.udf
>       val filterIt = udf((value: Int) => value > 0).asNondeterministic
>       spark.read.load(path)
>         .where(filterIt('id))
>         .where('id < 0)
>         .select('id)
>         .collect
>     }
>   }
> {code}



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