[Koha-bugs] [Bug 33206] New: Bad title__sort made of multifield 245

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33206

            Bug ID: 33206
           Summary: Bad title__sort made of multifield 245
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Searching - Elasticsearch
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: januszop at gmail.com

In MARC 21, having title search field defined in mappings.yaml as 245abp (more
than one subfield), the Koha generated title__sort will have not only $a, but
also other subfields cut by ind2 characters, i.e.:

245 04 $a Die Renaissance : $b Architektur, Plastik, Malerei, Illustrationen,
Zeichnungen

becomes as title__sort:

Renaissance : itektur, Plastik, Malerei, Illustrationen, Zeichnungen

instead of:

Renaissance : Architektur, Plastik, Malerei, Illustrationen, Zeichnungen

This is because copying an array of pointers in Perl causes you to point to the
same (anonymous) element.  Therefore, the intended modification only for
subfield "a" (Koha/SearchEngine/Elasticsearch.pm, ~line 1157) causes in fact
modification for all the subfields sharing the same mapping definition and
introduction of the nonfiling_characters_indicator to all subfields 245 when
processing 245abp.  And this is obviously not what is intended.

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