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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/12/29 21:16:00 UTC
[jira] [Commented] (SPARK-41742) Support star in groupBy.agg()
[ https://issues.apache.org/jira/browse/SPARK-41742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17652953#comment-17652953 ]
Apache Spark commented on SPARK-41742:
--------------------------------------
User 'grundprinzip' has created a pull request for this issue:
https://github.com/apache/spark/pull/39298
> Support star in groupBy.agg()
> -----------------------------
>
> Key: SPARK-41742
> URL: https://issues.apache.org/jira/browse/SPARK-41742
> Project: Spark
> Issue Type: Sub-task
> Components: Connect
> Affects Versions: 3.4.0
> Reporter: Hyukjin Kwon
> Priority: Major
>
> Doctest in {{pyspark.sql.connect.group.GroupedData.agg}} fails with the error below:
> {code}
> Failed example:
> df.groupBy(df.name).agg({"*": "count"}).sort("name").show()
> Exception raised:
> Traceback (most recent call last):
> File "/.../miniconda3/envs/python3.9/lib/python3.9/doctest.py", line 1336, in __run
> exec(compile(example.source, filename, "single",
> File "<doctest pyspark.sql.connect.group.GroupedData.agg[4]>", line 1, in <module>
> df.groupBy(df.name).agg({"*": "count"}).sort("name").show()
> File "/.../spark/python/pyspark/sql/connect/dataframe.py", line 538, in show
> print(self._show_string(n, truncate, vertical))
> File "/.../spark/python/pyspark/sql/connect/dataframe.py", line 424, in _show_string
> pdf = DataFrame.withPlan(
> File "/.../spark/python/pyspark/sql/connect/dataframe.py", line 895, in toPandas
> return self._session.client._to_pandas(query)
> File "/.../spark/python/pyspark/sql/connect/client.py", line 333, in _to_pandas
> return self._execute_and_fetch(req)
> File "/.../spark/python/pyspark/sql/connect/client.py", line 421, in _execute_and_fetch
> for b in self._stub.ExecutePlan(req, metadata=self._builder.metadata()):
> File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/grpc/_channel.py", line 426, in __next__
> return self._next()
> File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/grpc/_channel.py", line 826, in _next
> raise self
> grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that terminated with:
> status = StatusCode.UNKNOWN
> details = "[UNRESOLVED_COLUMN.WITH_SUGGESTION] A column or function parameter with name `*` cannot be resolved. Did you mean one of the following? [`age`, `name`];
> 'Sort ['name DESC NULLS LAST], true
> +- 'Aggregate [name#26], [name#26, unresolvedalias('count('*), None)]
> +- Project [0#21L AS age#25L, 1#22 AS name#26]
> +- LocalRelation [0#21L, 1#22]
> "
> debug_error_string = "UNKNOWN:Error received from peer ipv6:%5B::1%5D:15002 {created_time:"2022-12-28T20:55:38.30791+09:00", grpc_status:2, grpc_message:"[UNRESOLVED_COLUMN.WITH_SUGGESTION] A column or function parameter with name `*` cannot be resolved. Did you mean one of the following? [`age`, `name`];\n\'Sort [\'name DESC NULLS LAST], true\n+- \'Aggregate [name#26], [name#26, unresolvedalias(\'count(\'*), None)]\n +- Project [0#21L AS age#25L, 1#22 AS name#26]\n +- LocalRelation [0#21L, 1#22]\n"}"
> {code}
> We should enable this back after fixing the issue in Spark Connect
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