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https://issues.apache.org/jira/browse/ARROW-6473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ARROW-6473:
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Labels: pull-request-available (was: )
> [Format] Clarify dictionary encoding edge cases
> -----------------------------------------------
>
> Key: ARROW-6473
> URL: https://issues.apache.org/jira/browse/ARROW-6473
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Documentation, Format
> Reporter: Micah Kornfield
> Assignee: Micah Kornfield
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
>
> Several recent threads on the mailing list:
> 1. Edge case for all null columns and interleaved dictionaries
> 2. Semantics non-delta dictionaries (and relation to the file format).
> 3. Propose a forward compatible enum so dictionaries can represented as
> other types besides for a "flat" vector.
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