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https://issues.apache.org/jira/browse/FLINK-4693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15829595#comment-15829595
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ASF GitHub Bot commented on FLINK-4693:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3150#discussion_r96810423
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/plan/nodes/dataset/DataSetWindowAggregate.scala
---
@@ -218,6 +216,85 @@ class DataSetWindowAggregate(
}
}
+ private[this] def createEventTimeSessionWindowDataSet(
+ inputDS: DataSet[Any],
+ isParserCaseSensitive: Boolean): DataSet[Any] = {
+
+ val groupingKeys = grouping.indices.toArray
+ val rowTypeInfo = resultRowTypeInfo
+
+ // grouping window
+ if (groupingKeys.length > 0) {
+ //create mapFunction for initializing the aggregations
+ val mapFunction = createDataSetWindowPrepareMapFunction(
+ window,
+ namedAggregates,
+ grouping,
+ inputType,isParserCaseSensitive)
--- End diff --
wrap last argument as well
> Add session group-windows for batch tables
> -------------------------------------------
>
> Key: FLINK-4693
> URL: https://issues.apache.org/jira/browse/FLINK-4693
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: sunjincheng
>
> Add Session group-windows for batch tables as described in
> [FLIP-11|https://cwiki.apache.org/confluence/display/FLINK/FLIP-11%3A+Table+API+Stream+Aggregations].
>
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