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Posted to issues@arrow.apache.org by "Weston Pace (Jira)" <ji...@apache.org> on 2022/09/16 16:53:00 UTC

[jira] [Created] (ARROW-17757) [C++] Support type promotion in basic evolution strategy

Weston Pace created ARROW-17757:
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             Summary: [C++] Support type promotion in basic evolution strategy
                 Key: ARROW-17757
                 URL: https://issues.apache.org/jira/browse/ARROW-17757
             Project: Apache Arrow
          Issue Type: Sub-task
          Components: C++
            Reporter: Weston Pace


Most of the pieces are in place for this.  If a fragment has int32 and the dataset schema is int64 for example then the basic evolution strategy should be able to safely cast.

We might even consider supporting unsafe casts like int64 -> int32 if we can detect overflow and raise an error.



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