[jira] [Created] (FLINK-1976) Add ForwardedFields* hints for the optimizer

[Shang Yuanchun (Jira)]

Andra Lungu created FLINK-1976:
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             Summary: Add ForwardedFields* hints for the  optimizer
                 Key: FLINK-1976
                 URL: https://issues.apache.org/jira/browse/FLINK-1976
             Project: Flink
          Issue Type: Wish
          Components: Gelly
    Affects Versions: 0.9
            Reporter: Andra Lungu


Some classes in Graph.java can be improved by adding ForwardedFields* annotations. For instance, EmitOneEdgePerNode, EmitOneVertexWithEdgeValuePerNode, EmitOneEdgeWithNeighborPerNode, ProjectEdgeWithNeighbor, etc.



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