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https://issues.apache.org/jira/browse/FLINK-34543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wencong Liu updated FLINK-34543:
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Release Note:
New Features:
fullWindowPartition Method: Introduced in the DataStream class to enable full
window processing, allowing collection and processing of all records in each
subtask.
PartitionWindowedStream Class: Extends DataStream, facilitating full window
processing with several new APIs.
APIs for PartitionWindowedStream:
1.mapPartition: Processes records using MapPartitionFunction.
2.sortPartition: Sort records by field or key in the window.
3.aggregate: Aggregate records in the window.
4.reduce: Reduce records in the window.
was:
Support Full Partition Processing On Non-keyed DataStream
New Features:
fullWindowPartition Method: Introduced in the DataStream class to enable full
window processing, allowing collection and processing of all records in each
subtask.
PartitionWindowedStream Class: Extends DataStream, facilitating full window
processing with several new APIs.
APIs for PartitionWindowedStream:
mapPartition: Processes records using MapPartitionFunction.
sortPartition: Supports sorting records by field or key.
aggregate: Applies aggregation functions incrementally within windows.
reduce: Performs reduction transformations on windowed records.
> Support Full Partition Processing On Non-keyed DataStream
> ---------------------------------------------------------
>
> Key: FLINK-34543
> URL: https://issues.apache.org/jira/browse/FLINK-34543
> Project: Flink
> Issue Type: Improvement
> Components: API / DataStream
> Affects Versions: 1.20.0
> Reporter: Wencong Liu
> Assignee: Wencong Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.20.0
>
>
> Introduce the PartitionWindowedStream and provide multiple full window
> operations in it.
> The related motivation and design can be found in
> [FLIP-380|https://cwiki.apache.org/confluence/display/FLINK/FLIP-380%3A+Support+Full+Partition+Processing+On+Non-keyed+DataStream].
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