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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
758606082 MDExOlB1bGxSZXF1ZXN0NTMzNzUyNDEy 4659 xr.DataArray.from_dask_dataframe feature AyrtonB 29051639 open 0     18 2020-12-07T15:22:52Z 2023-06-08T20:25:58Z   CONTRIBUTOR   0 pydata/xarray/pulls/4659

This feature allows users to convert Dask DataFrames (of a single type) into a DataArray that uses a Dask array. This solves a gap in the Python ecosystem around saving Dask DataFrames to Zarr which is currently not possible without loading the full dataset into memory.

This feature specifically handles the case where a DataFrame is of a single type, a xr.Dataset.from_dask_dataframe could be developed in future to handle the multi-type case.

  • [x] Closes #4650, closes #3929
  • [x] Tests added
  • [x] Passes isort . && black . && mypy . && flake8
  • [x] User visible changes (including notable bug fixes) are documented in whats-new.rst
  • [x] New functions/methods are listed in api.rst
 
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     xarray 13221727 pull

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