>>> db = client.test
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>>> db.view.drop()
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>>> db.create_collection('view', viewOn='coll')
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>>> db.view.count_documents({})
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0
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>>> db.view.estimated_document_count()
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Traceback (most recent call last):
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File "<stdin>", line 1, in <module>
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File "/Users/shane/git/mongo-python-driver/pymongo/collection.py", line 1495, in estimated_document_count
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return self.__database.client._retryable_read(
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File "/Users/shane/git/mongo-python-driver/pymongo/mongo_client.py", line 1384, in _retryable_read
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return func(session, server, sock_info, slave_ok)
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File "/Users/shane/git/mongo-python-driver/pymongo/collection.py", line 1484, in _cmd
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result = self._aggregate_one_result(
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File "/Users/shane/git/mongo-python-driver/pymongo/collection.py", line 1436, in _aggregate_one_result
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result = self._command(
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File "/Users/shane/git/mongo-python-driver/pymongo/collection.py", line 221, in _command
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return sock_info.command(
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File "/Users/shane/git/mongo-python-driver/pymongo/pool.py", line 718, in command
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return command(self, dbname, spec, slave_ok,
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File "/Users/shane/git/mongo-python-driver/pymongo/network.py", line 158, in command
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helpers._check_command_response(
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File "/Users/shane/git/mongo-python-driver/pymongo/helpers.py", line 167, in _check_command_response
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raise OperationFailure(errmsg, code, response, max_wire_version)
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pymongo.errors.OperationFailure: PlanExecutor error during aggregation :: caused by :: Namespace test.view is a view, not a collection, full error: {'ok': 0.0, 'errmsg': 'PlanExecutor error during aggregation :: caused by :: Namespace test.view is a view, not a collection', 'code': 166, 'codeName': 'CommandNotSupportedOnView', '$clusterTime': {'clusterTime': Timestamp(1630345764, 1), 'signature': {'hash': b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 'keyId': 0}}, 'operationTime': Timestamp(1630345764, 1)}
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