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https://issues.apache.org/jira/browse/FLINK-1976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536882#comment-14536882
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ASF GitHub Bot commented on FLINK-1976:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/663#discussion_r29996107
--- Diff:
flink-staging/flink-gelly/src/main/java/org/apache/flink/graph/Graph.java ---
@@ -1329,6 +1355,7 @@ public void join(Tuple3<K, K, Edge<K, EV>>
keysWithEdge, Vertex<K, VV> neighbor,
}
}
+ @ForwardedFieldsFirst("f0; f2->f1")
--- End diff --
Add `@ForwardedFieldsSecond("*->f2")`?
> 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
> Assignee: 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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