[jira] [Created] (FLINK-21111) Support State access in Python DataStream API

[Shang Yuanchun (Jira)]

Shuiqiang Chen created FLINK-21111:
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             Summary: Support State access in Python DataStream API
                 Key: FLINK-21111
                 URL: https://issues.apache.org/jira/browse/FLINK-21111
             Project: Flink
          Issue Type: Improvement
          Components: API / Python
    Affects Versions: 1.13.0
            Reporter: Shuiqiang Chen


This is the umbrella Jira for FLIP-153, which intends to support state access in Python DataSteam API.

FLIP wiki page: https://cwiki.apache.org/confluence/display/FLINK/FLIP-153%3A+Support+state+access+in+Python+DataStream+API

In FLIP-130, we have already supported Python DataStream stateless API so that users are able to perform some basic data transformations. To implement more complex data processing, we need to provide state access support. In this doc, I would propose to add support of state access for Python DataStream API to support stateful operations on a KeyedStream.



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