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  1. Apache Arrow
  2. ARROW-4096

[C++] Preserve "ordered" metadata in some special cases in dictionary unification

    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: C++
    • Labels:
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      Description

      In the event that all dictionaries are prefixes of a common dictionary, and all have ordered=true (note: this is not the same thing as being sorted), the resulting unified dictionary can also have ordered=true

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            • Assignee:
              Unassigned
              Reporter:
              wesmckinn Wes McKinney
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              • Created:
                Updated: