[jira] [Resolved] (SPARK-33889) NPE from SHOW PARTITIONS for null partition values

["Wenchen Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-33889?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-33889.
---------------------------------
    Fix Version/s: 3.1.0
       Resolution: Fixed

Issue resolved by pull request 30907
[https://github.com/apache/spark/pull/30907]

> NPE from SHOW PARTITIONS for null partition values
> --------------------------------------------------
>
>                 Key: SPARK-33889
>                 URL: https://issues.apache.org/jira/browse/SPARK-33889
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Major
>             Fix For: 3.1.0
>
>
> The following test fails with NPE on V2 table:
> {code:scala}
>   test("null and empty string as partition values") {
>     import testImplicits._
>     withNamespaceAndTable("ns", "tbl") { t =>
>       val df = Seq((0, ""), (1, null)).toDF("a", "part")
>       df.write
>         .partitionBy("part")
>         .format("parquet")
>         .mode(SaveMode.Overwrite)
>         .saveAsTable(t)
>       runShowPartitionsSql(s"SHOW PARTITIONS $t", Row("part=null") :: Nil)
>     }
>   }
> {code}
> {code:java}
> java.lang.NullPointerException was thrown.
> java.lang.NullPointerException
> 	at org.apache.spark.sql.execution.datasources.v2.ShowPartitionsExec.$anonfun$run$3(ShowPartitionsExec.scala:58)
> 	at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:238)
> {code}



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