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radu commented on FLINK-6428: ----------------------------- [~sunjincheng121] Hi, Please refer to #6249 https://issues.apache.org/jira/browse/FLINK-6249 Distinct without some boundaries cannot be really supported because in the absence of some boundary or some reset marker the structure to ensure distinct elements would grow infinitely [~fhueske] [~stefano.bortoli] > Add support DISTINCT in dataStream SQL > -------------------------------------- > > Key: FLINK-6428 > URL: https://issues.apache.org/jira/browse/FLINK-6428 > Project: Flink > Issue Type: New Feature > Components: Table API & SQL > Reporter: sunjincheng > Assignee: sunjincheng > > Add support DISTINCT in dataStream SQL as follow: > DATA: > {code} > (name, age) > (kevin, 28), > (sunny, 6), > (jack, 6) > {code} > SQL: > {code} > SELECT DISTINCT age FROM MyTable" > {code} > RESULTS: > {code} > 28, 6 > {code} > [~fhueske] do we need this feature? -- This message was sent by Atlassian JIRA (v6.3.15#6346)