[Koha-bugs] [Bug 21828] New: Improve efficiency of C4::Biblio::LinkBibHeadingsToAuthorities

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21828

            Bug ID: 21828
           Summary: Improve efficiency of
                    C4::Biblio::LinkBibHeadingsToAuthorities
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: martin.renvoize at ptfs-europe.com
        QA Contact: testopia at bugs.koha-community.org

The routine iterates through all fields in a biblio and compares them to a list
of acceptable tags that may link to an authority.  It may be more efficient to
do the opposite iteration, working through acceptable authority tags and
looking for the existence of that field in the biblio. (Note.. I've not tested
this hypothesis.. it depends heavily on how efficient it is to fetch a single
MARC tag using Marc::Record)

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