[jira] [Created] (FLINK-6252) Distinct rowTime with Rows boundaries

[Shang Yuanchun (Jira)]

radu created FLINK-6252:
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             Summary: Distinct rowTime with Rows boundaries
                 Key: FLINK-6252
                 URL: https://issues.apache.org/jira/browse/FLINK-6252
             Project: Flink
          Issue Type: Sub-task
            Reporter: radu


Support distinct aggregates over row time order with rows boundaries

Q1.3. `SELECT SUM( DISTINCT  b) OVER (ORDER BY rowTime() ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) FROM stream1`

Q1.3. `SELECT COUNT(b), SUM( DISTINCT  b) OVER (ORDER BY rowTime() ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) FROM stream1`



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