[GitHub] [pulsar] jerrypeng opened a new pull request #4005: Set key for message when using function publish

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

jerrypeng opened a new pull request #4005: Set key for message when using function publish
URL: https://github.com/apache/pulsar/pull/4005
 
 
   
   ### Motivation
   
   In java functions, when a user calls publish, the outgoing message does not have a key set even though in the input message has a key.  By default, set the same key for the outgoing publish method.  This is the behavior when sending messages that are returned by the function
   
   In python functions,  the message key is never set.  Make python functions consistent with java functions
   

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