[Koha-bugs] [Bug 20269] New: Allow selecting default collate rule

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Thu Feb 22 14:09:54 CET 2018


https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=20269

            Bug ID: 20269
           Summary: Allow selecting default collate rule
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: Database
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: pasi.kallinen at joensuu.fi
        QA Contact: testopia at bugs.koha-community.org

For some languages, the default collate rule set in kohastructure.sql,
utf8_unicode_ci, doesn't work correctly.

For example, Finnish alphabet expects the alphabet to sort abc...xyzåäö, but
the unicode_ci rule doesn't handle the åäö right. Instead, we need to use the
swedish_ci rule.

It would be nice to be able to define the default collate rule during install.

Problem can be seen for example when you go catalogue a new record and have
frameworks starting with 'ä' or 'ö', those will sort incorrectly.

On the database, you can test this with:

insert into biblio_framework (frameworkcode, frameworktext) values ('TEST',
'Äänikirja');

-- Note where the 'Äänikirja' is located
select * from biblio_framework order by frameworktext collate utf8_unicode_ci;

-- And then the correct order, with 'Äänikirja' last:
select * from biblio_framework order by frameworktext collate utf8_swedish_ci;

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