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Posted to issues@flink.apache.org by "Rong Rong (JIRA)" <ji...@apache.org> on 2019/01/29 15:10:00 UTC
[jira] [Updated] (FLINK-11453) Support SliceStream with forwardable
pane info
[ https://issues.apache.org/jira/browse/FLINK-11453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rong Rong updated FLINK-11453:
------------------------------
Summary: Support SliceStream with forwardable pane info (was: Support SliceWindow with forwardable pane info)
> Support SliceStream with forwardable pane info
> -----------------------------------------------
>
> Key: FLINK-11453
> URL: https://issues.apache.org/jira/browse/FLINK-11453
> Project: Flink
> Issue Type: Sub-task
> Components: DataStream API
> Reporter: Rong Rong
> Priority: Major
>
> Support slicing operation that produces slicing:
> {code:java}
> val slicedStream: SlicedStream = inputStream
> .keyBy("key")
> .sliceWindow(Time.seconds(5L)) // new “slice window” concept: to combine
> // tumble results based on discrete
> // non-overlapping windows.
> .aggregate(aggFunc)
> {code}
> {{SlicedStream}} will produce results that exposes current {{WindowOperator}} internal state {{InternalAppendingState<K, W, IN, ACC, ACC>}}, which can be later applied with {{WindowFunction}} separately in another operator.
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