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https://issues.apache.org/jira/browse/FLINK-6250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978891#comment-15978891
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ASF GitHub Bot commented on FLINK-6250:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3732#discussion_r112694911
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/AggregateUtil.scala
---
@@ -152,7 +153,14 @@ object AggregateUtil {
val aggregationStateType: RowTypeInfo =
createAccumulatorRowType(aggregates)
val inputRowType =
FlinkTypeFactory.toInternalRowTypeInfo(inputType).asInstanceOf[RowTypeInfo]
-
+
+ var hasDistinct = false
--- End diff --
can be simplified to
```
val hasDistinct = distinctAggregatesFlags.exists(_)
```
`exists` returns `true` if the function (here `_`) returns `true` at least
once.
> Distinct procTime with Rows boundaries
> --------------------------------------
>
> Key: FLINK-6250
> URL: https://issues.apache.org/jira/browse/FLINK-6250
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: radu
> Assignee: Stefano Bortoli
>
> Support proctime with rows boundaries
> Q1.1. `SELECT SUM( DISTINCT b) OVER (ORDER BY procTime() ROWS BETWEEN 2
> PRECEDING AND CURRENT ROW) FROM stream1`
> Q1.1. `SELECT COUNT(b), SUM( DISTINCT b) OVER (ORDER BY procTime() ROWS
> BETWEEN 2 PRECEDING AND CURRENT ROW) FROM stream1`
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