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Posted to dev@arrow.apache.org by "Neal Richardson (Jira)" <ji...@apache.org> on 2020/01/22 19:36:00 UTC

[jira] [Created] (ARROW-7657) [R] Add option to preserve dictionary logical type rather than coerce to factor

Neal Richardson created ARROW-7657:
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             Summary: [R] Add option to preserve dictionary logical type rather than coerce to factor
                 Key: ARROW-7657
                 URL: https://issues.apache.org/jira/browse/ARROW-7657
             Project: Apache Arrow
          Issue Type: New Feature
          Components: R
            Reporter: Neal Richardson
             Fix For: 1.0.0


See ARROW-7639. R factor "levels" must be strings, but dictionary "values" aren't restricted like that. Provide an option to govern how dictionary arrays with non-string "values" are converted to R: keep the dictionary encoding by making the R vector be type factor and coerce the dictionary values to strings, or keep the dictionary values the type they are and generate an R vector of that type, dropping the dictionary encoding.



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