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Beginning to investigate SQL support. Right now, for anything beyond a small Xarray dataset, this is terribly slow.
Also adding in baseline profile.
… the flame graph).
Added dtypes from the xr.Dataset to the pd.DataFrame. This allows SQL aggegrations to work, which need type info. This changed the core `unravel` operation, so I've added sanity profile traces.
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Beginning to investigate SQL support. Right now, for anything beyond a small Xarray dataset, this is terribly slow.
This PR also introduces a profiling methodology using py-spy (statistical profiling).