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Subject [GitHub] [flink] KurtYoung commented on issue #8051: [FLINK-12018] [table-planner-blink] Add support for generating optimized logical plan for Sort and Rank
Date Thu, 28 Mar 2019 09:34:37 GMT
KurtYoung commented on issue #8051:  [FLINK-12018] [table-planner-blink] Add support for generating
optimized logical plan for Sort and Rank
URL: https://github.com/apache/flink/pull/8051#issuecomment-477518996
 
 
   BTW, could you add some more comments or examples to `Rank` related classes to explain
the semantics about it, and what kind of scenarios we want to use `Rank`, why we have to invent
this new logical/physical operators?

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