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Type:
Bug
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Resolution: Gone away
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
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Labels:None
It is not possible to run Collection.aggregate or Collection.count_document with pymongo against a sharded cluster. It returns
Traceback (most recent call last): File "/scripts/mongo_exporter.py", line 23, in <module> query_result = write_col.aggregate([ File "/usr/local/lib/python3.8/site-packages/pymongo/collection.py", line 2375, in aggregate return self._aggregate(_CollectionAggregationCommand, File "/usr/local/lib/python3.8/site-packages/pymongo/collection.py", line 2297, in _aggregate return self.__database.client._retryable_read( File "/usr/local/lib/python3.8/site-packages/pymongo/mongo_client.py", line 1464, in _retryable_read return func(session, server, sock_info, slave_ok) File "/usr/local/lib/python3.8/site-packages/pymongo/aggregation.py", line 136, in get_cursor result = sock_info.command( File "/usr/local/lib/python3.8/site-packages/pymongo/pool.py", line 603, in command return command(self.sock, dbname, spec, slave_ok, File "/usr/local/lib/python3.8/site-packages/pymongo/network.py", line 165, in command helpers._check_command_response( File "/usr/local/lib/python3.8/site-packages/pymongo/helpers.py", line 159, in _check_command_response raise OperationFailure(msg % errmsg, code, response) pymongo.errors.OperationFailure: unrecognized field 'useNewUpsert'
Same query runs just fine against a non sharded collection with the same data in there.