[GitHub] jerrypeng commented on a change in pull request #2762: Fix IdentitySerde

[GitBox <gi...@apache.org>]

jerrypeng commented on a change in pull request #2762: Fix IdentitySerde
URL: https://github.com/apache/pulsar/pull/2762#discussion_r224171356
 
 

 ##########
 File path: pulsar-client-cpp/python/pulsar/functions/serde.py
 ##########
 @@ -68,9 +68,9 @@ def deserialize(self, input_bytes):
       return pickle.loads(input_bytes)
 
 class IdentitySerDe(SerDe):
-  """Pickle based serializer"""
+  """utf-8 based identity serializer"""
   def serialize(self, input):
-    return input
+    return bytes(str(input).encode('utf-8'))
 
 Review comment:
   how can we assume that the string representation of the object is meaningful?  The identity serde is also used as the default serde in python which is going to cause errors if users inputs/outputs anything other than Strings 

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