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ASF GitHub Bot commented on FLINK-7776: --------------------------------------- Github user fhueske commented on the issue: https://github.com/apache/flink/pull/4785 Merging > do not emit duplicated records in group aggregation > --------------------------------------------------- > > Key: FLINK-7776 > URL: https://issues.apache.org/jira/browse/FLINK-7776 > Project: Flink > Issue Type: Improvement > Components: Table API & SQL > Reporter: Ruidong Li > Assignee: Ruidong Li > > the current group aggregation will compare the last {{Row}} and current > {{Row}} when {{generateRetraction}} is {{true}} and {{firstRow}} is {{false}} > in {{GroupAggProcessFunction}}, > this logic should be applied to all cases when {{firstRow}} is false, if > current {{Row}} is same with previous {{Row}}, we do not emit any records. -- This message was sent by Atlassian JIRA (v6.4.14#64029)