Added a method to HeasarcClass that returns the number of rows in a named catalog#3549

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DavidT3 wants to merge 6 commits intoastropy:mainfrom

Commits on Mar 5, 2026

Added a new method to the HeasarcClass class called 'count_rows'. It constructs a simple ADQL query that uses the COUNT(*) function to request the number of rows for a specified table, and then ret…
David Turner
committed
Added a couple of comments to the count_rows method.
David Turner
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Added a tiny test to check the new count_rows method of Heasarc.
David Turner
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Added a demonstration of the count_rows method to the Heasarc class docs.
David Turner
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Added output line to the count_rows demo in heasarc.rst
David Turner
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Added an entry in the change log
David Turner
committed