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https://issues.apache.org/jira/browse/FLINK-4692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15817988#comment-15817988
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ASF GitHub Bot commented on FLINK-4692:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2938#discussion_r94943939
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/plan/logical/groupWindows.scala
---
@@ -107,7 +121,8 @@ case class EventTimeTumblingGroupWindow(
super.validate(tableEnv)
.orElse(TumblingGroupWindow.validate(tableEnv, size))
.orElse(size match {
- case Literal(_, RowIntervalTypeInfo.INTERVAL_ROWS) =>
+ case Literal(_, RowIntervalTypeInfo.INTERVAL_ROWS)
+ if tableEnv.isInstanceOf[StreamTableEnvironment] =>
ValidationFailure(
"Event-time grouping windows on row intervals are currently
not supported.")
--- End diff --
I would add "in a stream environment" to this and the other change.
> Add tumbling group-windows for batch tables
> -------------------------------------------
>
> Key: FLINK-4692
> URL: https://issues.apache.org/jira/browse/FLINK-4692
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Jark Wu
>
> Add Tumble 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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