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Posted to issues@flink.apache.org by "Nico Kruber (JIRA)" <ji...@apache.org> on 2017/01/23 10:54:26 UTC

[jira] [Created] (FLINK-5613) QueryableState: requesting a non-existing key in RocksDBStateBackend is not consistent with the MemoryStateBackend and FsStateBackend

Nico Kruber created FLINK-5613:
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             Summary: QueryableState: requesting a non-existing key in RocksDBStateBackend is not consistent with the MemoryStateBackend and FsStateBackend
                 Key: FLINK-5613
                 URL: https://issues.apache.org/jira/browse/FLINK-5613
             Project: Flink
          Issue Type: Bug
          Components: Queryable State
    Affects Versions: 1.2.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber


Querying for a non-existing key for a state that has a default value set currently results in the default value being returned in the RocksDBStateBackend only. MemoryStateBackend or FsStateBackend will return null which results in an UnknownKeyOrNamespace exception.

Default values are now deprecated and will be removed eventually so we should not introduce them into the new queryable state API and thus adapt the RocksDBStateBackend accordingly



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