Support reading a file to pyarrow table in catalog import #415
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Change Description
This is related to issue #351, but does not close it.
Allows the InputReader read method to return a pyarrow Table, instead of a Pandas dataframe. Pandas dataframes are converted to pyarrow tables, and all manipulation after that point is based on pyarrow operations.
This means that tables generated will NOT have the
_healpix_29
field set as the pandas index.