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Posted to issues@arrow.apache.org by "Micah Kornfield (Jira)" <ji...@apache.org> on 2019/12/02 01:18:00 UTC

[jira] [Created] (ARROW-7283) Ensure dictionary IPC implementations match spec clarifications

Micah Kornfield created ARROW-7283:
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             Summary: Ensure dictionary IPC implementations match spec clarifications
                 Key: ARROW-7283
                 URL: https://issues.apache.org/jira/browse/ARROW-7283
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Micah Kornfield


Parent tracking issue to ensure clarification in PR: [https://github.com/apache/arrow/pull/5585#pullrequestreview-324979419] are correctly implemented.  

 

Specifically:

1.  dictionary replacement in streams.

2.  Not requiring dictionaries be present at the beginning of the stream for all null columns.

3.  Dictionary replacement isn't supported in the file format.

 

Some implementations might already have some or all of these.



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