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  • Zarr store array dtype changes for empty object string · 2 ✖
id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
1560534067 https://github.com/pydata/xarray/issues/7328#issuecomment-1560534067 https://api.github.com/repos/pydata/xarray/issues/7328 IC_kwDOAMm_X85dA9wz kmuehlbauer 5821660 2023-05-24T06:37:39Z 2023-05-24T06:37:39Z MEMBER

@tomwhite Sorry for the delay here. I'll respond shortly on your PR #7862, but we might have to reiterate here later

 
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   Zarr store array dtype changes for empty object string 1466586967
1330343446 https://github.com/pydata/xarray/issues/7328#issuecomment-1330343446 https://api.github.com/repos/pydata/xarray/issues/7328 IC_kwDOAMm_X85PS24W tomwhite 85085 2022-11-29T09:36:10Z 2022-11-29T09:37:19Z CONTRIBUTOR

This behaviour stems from this part of _infer_dtype where empty object arrays are converted to float arrays:

https://github.com/pydata/xarray/blob/3aa75c8d00a4a2d4acf10d80f76b937cadb666b7/xarray/conventions.py#L156-L157

Is there any reason we couldn't return strings.create_vlen_dtype(str) instead?

 
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   Zarr store array dtype changes for empty object string 1466586967

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