issues: 112254767

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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
112254767 MDU6SXNzdWUxMTIyNTQ3Njc= 631 Confusing error (or lack thereof) when coordinate and variable share the same name 1322974 open 0     5 2015-10-19T23:39:22Z 2019-04-19T15:39:55Z   CONTRIBUTOR      

It probably makes sense to prevent dataset to have variables sharing the names of coordinates (what would dataset.varname return?) but currently

Dataset({"a": DataArray(np.zeros((3, 4)), dims=["a", "b"], coords={"a": list("xyz"), "b": list("xyzt")})})

fails with ValueError: an index variable must be defined with 1-dimensional data, and

Dataset({"a": DataArray(np.zeros(3), coords={"a": list("xyz")})})

actually creates an empty dataset using [0, 0, 0] as values for the a coordinate instead of x y z:

<xray.Dataset> Dimensions: (a: 3) Coordinates: * a (a) float64 0.0 0.0 0.0 Data variables: *empty*

 
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     13221727 issue

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