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Xingcan Cui commented on FLINK-7999: ------------------------------------ Hi [~sjwiesman], thanks for opening this. Could you give some more specific explanations about this kind of join? Thanks, Xingcan > Variable Join Window Boundaries > ------------------------------- > > Key: FLINK-7999 > URL: https://issues.apache.org/jira/browse/FLINK-7999 > Project: Flink > Issue Type: New Feature > Components: Table API & SQL > Reporter: Seth Wiesman > > Allow window joins with variable length based on row attributes. > Consider a two streams joined on an id, where one has start and end dates, it > would be useful to be able to join each row during is live durations. Today > this can be expressed in the datastream api using a CoProcessFunction. > left.id = right.id AND (left.time > right.start and left.time < right.end) -- This message was sent by Atlassian JIRA (v6.4.14#64029)