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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2023/02/07 08:21:00 UTC

[jira] [Commented] (SPARK-41823) DataFrame.join creating ambiguous column names

    [ https://issues.apache.org/jira/browse/SPARK-41823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17685133#comment-17685133 ] 

Apache Spark commented on SPARK-41823:
--------------------------------------

User 'zhengruifeng' has created a pull request for this issue:
https://github.com/apache/spark/pull/39925

> DataFrame.join creating ambiguous column names
> ----------------------------------------------
>
>                 Key: SPARK-41823
>                 URL: https://issues.apache.org/jira/browse/SPARK-41823
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Connect
>    Affects Versions: 3.4.0
>            Reporter: Sandeep Singh
>            Priority: Major
>
> {code:java}
> File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 254, in pyspark.sql.connect.dataframe.DataFrame.drop
> Failed example:
>     df.join(df2, df.name == df2.name, 'inner').drop('name').show()
> Exception raised:
>     Traceback (most recent call last):
>       File "/usr/local/Cellar/python@3.10/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py", line 1350, in __run
>         exec(compile(example.source, filename, "single",
>       File "<doctest pyspark.sql.connect.dataframe.DataFrame.drop[5]>", line 1, in <module>
>         df.join(df2, df.name == df2.name, 'inner').drop('name').show()
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 534, in show
>         print(self._show_string(n, truncate, vertical))
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 423, in _show_string
>         ).toPandas()
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 1031, in toPandas
>         return self._session.client.to_pandas(query)
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/client.py", line 413, in to_pandas
>         return self._execute_and_fetch(req)
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/client.py", line 573, in _execute_and_fetch
>         self._handle_error(rpc_error)
>       File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/client.py", line 619, in _handle_error
>         raise SparkConnectAnalysisException(
>     pyspark.sql.connect.client.SparkConnectAnalysisException: [AMBIGUOUS_REFERENCE] Reference `name` is ambiguous, could be: [`name`, `name`].
>     Plan: {code}



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