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From s1ck <...@git.apache.org>
Subject [GitHub] flink issue #2527: [FLINK-4624] Allow for null values in Graph Summarization
Date Fri, 23 Sep 2016 06:13:31 GMT
Github user s1ck commented on the issue:

    https://github.com/apache/flink/pull/2527
  
    > I'm not following why specifying the TypeInformation is now required with the change
to using Either. Is the type system failing to handle this properly?
    You are right, I was experimenting with return type definitions for the groupReduce and
the map call. However, for the map call in `Summarization.java:126` the return type definition
is required or the job fails as it cannot determine the type for `VV`.


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