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sunjincheng edited comment on FLINK-8355 at 1/15/18 5:41 AM: ------------------------------------------------------------- Hi [~fhueske] Thanks for your suggestion. I open the PR([https://github.com/apache/flink/pull/5241)] with FLINK-8325. Best, Jincheng was (Author: sunjincheng121): Hi [~fhueske] Thanks for your suggestion. I open the PR FLINK-8325. Best, Jincheng > DataSet Should not union a NULL row for AGG without GROUP BY clause. > -------------------------------------------------------------------- > > Key: FLINK-8355 > URL: https://issues.apache.org/jira/browse/FLINK-8355 > Project: Flink > Issue Type: Bug > Components: Table API & SQL > Affects Versions: 1.5.0 > Reporter: sunjincheng > Priority: Major > > Currently {{DataSetAggregateWithNullValuesRule}} will UINON a NULL row for > non grouped aggregate query. when {{CountAggFunction}} support > {{COUNT(*)}}(FLINK-8325). the result will incorrect. > for example, if Tabble {{T1}} has 3 records. when we run the follow SQL in > DataSet: > {code} > SELECT COUNT(*) as cnt from Tab // cnt = 4(incorrect). > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)