issues: 2227413822

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
2227413822 PR_kwDOAMm_X85rz7ZX 8911 Refactor swap dims 4160723 open 0     5 2024-04-05T08:45:49Z 2024-04-17T16:46:34Z   MEMBER   1 pydata/xarray/pulls/8911
  • [ ] Attempt at fixing #8646
  • [ ] Tests added
  • [ ] User visible changes (including notable bug fixes) are documented in whats-new.rst
  • [ ] New functions/methods are listed in api.rst

I've tried here re-implementing swap_dims using rename_dims, drop_indexes and set_xindex. This fixes the example in #8646 but unfortunately this fails at handling the pandas multi-index special case (i.e., a single non-dimension coordinate wrapping a pd.MultiIndex that is promoted to a dimension coordinate in swap-dims auto-magically results in a PandasMultiIndex with both dimension and level coordinates).

 
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