[jira] [Created] (FLINK-7683) Add method to iterate over all of the existing keys in a statebackend

[Piotr Nowojski (JIRA)]

Piotr Nowojski created FLINK-7683:
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             Summary: Add method to iterate over all of the existing keys in a 
statebackend
                 Key: FLINK-7683
                 URL: https://issues.apache.org/jira/browse/FLINK-7683
             Project: Flink
          Issue Type: New Feature
          Components: State Backends, Checkpointing
            Reporter: Piotr Nowojski
            Assignee: Piotr Nowojski


This is required to make possible backward compatibility while changing state 
definition of a keyed state operator.



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