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https://issues.apache.org/jira/browse/FLINK-3475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871697#comment-15871697
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ASF GitHub Bot commented on FLINK-3475:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3111#discussion_r101732154
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/rules/dataSet/DataSetAggregateWithNullValuesRule.scala
---
@@ -51,7 +51,7 @@ class DataSetAggregateWithNullValuesRule
// check if we have distinct aggregates
val distinctAggs = agg.getAggCallList.exists(_.isDistinct)
if (distinctAggs) {
--- End diff --
The condition can be removed.
> DISTINCT aggregate function support for SQL queries
> ---------------------------------------------------
>
> Key: FLINK-3475
> URL: https://issues.apache.org/jira/browse/FLINK-3475
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: Chengxiang Li
> Assignee: Zhenghua Gao
>
> DISTINCT aggregate function may be able to reuse the aggregate function
> instead of separate implementation, and let Flink runtime take care of
> duplicate records.
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