Piotr Nowojski created FLINK-9717:
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             Summary: Flush state of one side of the join if other side is 
bounded
                 Key: FLINK-9717
                 URL: https://issues.apache.org/jira/browse/FLINK-9717
             Project: Flink
          Issue Type: Sub-task
          Components: Table API & SQL
    Affects Versions: 1.5.0
            Reporter: Piotr Nowojski


Whenever one side of join receives {{MAX_WATERMARK}}, other side in joins (both 
normal and versioned joins) could flush the state from other side.

This highly useful optimisation that would speed up versioned joins and would 
allow normal joins of large unbounded streams with bounded tables (for example 
some static data).



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