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https://issues.apache.org/jira/browse/ARROW-15034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17456000#comment-17456000
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Jeanette Clark commented on ARROW-15034:
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I ran into this today - trying to join two arrow datasets together in R using
left_join.
Error: Invalid: Incompatible data types for corresponding join field keys:
FieldRef.Name(SampleID) of type large_string and FieldRef.Name(SampleID) of
type string
> [C++][R] Should be able to join on keys that are string to large_string type
> ----------------------------------------------------------------------------
>
> Key: ARROW-15034
> URL: https://issues.apache.org/jira/browse/ARROW-15034
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 6.0.0
> Reporter: Neal Richardson
> Priority: Major
>
> Got a report that if your join key is string on one side and large_string on
> the other, the join doesn't work. It seems reasonable that this should work.
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