[GitHub] [arrow] jorisvandenbossche commented on issue #35389: [Python] Table.join no longer respecting `coalesce_keys` parameter (PyArrow 12)

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

jorisvandenbossche commented on issue #35389:
URL: https://github.com/apache/arrow/issues/35389#issuecomment-1532939024

   @joocer thanks for the report! That was certainly not an intentional change in behaviour, but the implementation was refactored to use a different invocation of the C++ APIs (now relying on the `pyarrow.acero` Declaration bindings). So something might have gone wrong in this refactor (and if so, unfortunately this doesn't seem to have been covered properly by our tests). 
   
   Could you provide a small reproducible code example that illustrates the change in behaviour?


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