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https://issues.apache.org/jira/browse/SPARK-38718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk reassigned SPARK-38718:
--------------------------------

    Assignee: panbingkun

> Test the error class: AMBIGUOUS_FIELD_NAME
> ------------------------------------------
>
>                 Key: SPARK-38718
>                 URL: https://issues.apache.org/jira/browse/SPARK-38718
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.4.0
>            Reporter: Max Gekk
>            Assignee: panbingkun
>            Priority: Minor
>              Labels: starter
>
> Add at least one test for the error class *AMBIGUOUS_FIELD_NAME* to 
> QueryCompilationErrorsSuite. The test should cover the exception throw in 
> QueryCompilationErrors:
> {code:scala}
>   def ambiguousFieldNameError(
>       fieldName: Seq[String], numMatches: Int, context: Origin): Throwable = {
>     new AnalysisException(
>       errorClass = "AMBIGUOUS_FIELD_NAME",
>       messageParameters = Array(fieldName.quoted, numMatches.toString),
>       origin = context)
>   }
> {code}
> For example, here is a test for the error class *UNSUPPORTED_FEATURE*: 
> https://github.com/apache/spark/blob/34e3029a43d2a8241f70f2343be8285cb7f231b9/sql/core/src/test/scala/org/apache/spark/sql/errors/QueryCompilationErrorsSuite.scala#L151-L170
> +The test must have a check of:+
> # the entire error message
> # sqlState if it is defined in the error-classes.json file
> # the error class



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