[GitHub] [arrow] thisisnic commented on issue #35333: [R] Discrepancy between casting behaviour between dplyr/arrow when joining

["thisisnic (via GitHub)" <gi...@apache.org>]

thisisnic commented on issue #35333:
URL: https://github.com/apache/arrow/issues/35333#issuecomment-1523299459

   Thanks for reporting this @egillax.  This is one of the known differences between dplyr and arrow, and all I can think of to recommend is ensuring that  table schemas match (e.g. calling `arrowTable2 <- arrow::as_arrow_table(df2, schema = schema(id = int32(), value2 = double()))`) before performing the join.
   
   That said though, we do upcast some values in other areas of the codebase, so it could be a reasonable change to request, will ping some people who can say more about whether this would be feasible as a feature request or not.


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