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Update heasarc.rst #3390

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18 changes: 17 additions & 1 deletion docs/heasarc/heasarc.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,23 @@ for ``'box'`` and:
>>> Heasarc.query_region(catalog='xmmmaster', spatial='polygon',
polygon=[(226.2,10.6),(225.9,10.5),(225.8,10.2),(226.2,10.3)])

for ``'polygon'``.
for ``'polygon'``. For ``'all-sky'``:

.. doctest-skip::

>>> Heasarc.query_region(pos, spatial='all-sky', catalog='csc', maxrec=None)

though you may find that maxrec has a hard limit of 1e5 regardless of how you set it.

In this case one can do instead:

.. doctest-skip::

>>> # get a comma-separated list of the default columns in csc.
>>> columns = ', '.join(Heasarc._get_default_columns('csc'))
>>> # construct a query for all entries; use TOP with a large number greater than the server's 1e5 LIMIT
>>> query = f'SELECT TOP 9999999 {columns} FROM csc'
>>> Heasarc.query_tap(query).to_table()

List Catalog Columns
--------------------
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