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Posted to dev@arrow.apache.org by "Steven Fackler (JIRA)" <ji...@apache.org> on 2019/07/25 18:03:00 UTC

[jira] [Created] (ARROW-6040) [Java] Dictionary entries are required in IPC streams even when empty

Steven Fackler created ARROW-6040:
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             Summary: [Java] Dictionary entries are required in IPC streams even when empty
                 Key: ARROW-6040
                 URL: https://issues.apache.org/jira/browse/ARROW-6040
             Project: Apache Arrow
          Issue Type: Bug
          Components: Java
            Reporter: Steven Fackler


Java's ArrowReader requires that dictionaries are sent in an IPC stream: [https://github.com/apache/arrow/blob/master/java/vector/src/main/java/org/apache/arrow/vector/ipc/ArrowReader.java#L196-L200].

However, as noted in ARROW-6006, that is not required if the stream contains no values.



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