issue_comments: 469841163

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https://github.com/pydata/xarray/issues/2801#issuecomment-469841163 https://api.github.com/repos/pydata/xarray/issues/2801 469841163 MDEyOklzc3VlQ29tbWVudDQ2OTg0MTE2Mw== 1217238 2019-03-05T20:16:52Z 2019-03-05T20:16:52Z MEMBER
  1. x[x > 2] silently resolves the dask graph. It definitely shouldn't.

Yes, agreed.

There needs to be some discussion on what needs to happen to indices on the NaN-sized dimension

The simple answer is to not allow undefined indices on NaN sized dimensions for now ("hard crash"). I don't think silently dropping indexes is a good idea.

Long term (after https://github.com/pydata/xarray/issues/1603 is complete), I can imagine supporting some sort of "lazy index" class.

 
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