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https://issues.apache.org/jira/browse/SPARK-23459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16369346#comment-16369346
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Kazuaki Ishizaki commented on SPARK-23459:
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Have you started working for this? If not, I can take it.
> Improve the error message when unknown column is specified in partition
> columns
> -------------------------------------------------------------------------------
>
> Key: SPARK-23459
> URL: https://issues.apache.org/jira/browse/SPARK-23459
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Xiao Li
> Priority: Major
> Labels: starter
>
> {noformat}
> test("save with an unknown partition column") {
> withTempDir { dir =>
> val path = dir.getCanonicalPath
> Seq(1L -> "a").toDF("i", "j").write
> .format("parquet")
> .partitionBy("unknownColumn")
> .save(path)
> }
> }
> {noformat}
> We got the following error message:
> {noformat}
> Partition column unknownColumn not found in schema
> StructType(StructField(i,LongType,false), StructField(j,StringType,true));
> {noformat}
> We should not call toString, but catalogString in the function
> `partitionColumnsSchema` of `PartitioningUtils.scala`
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