[Koha-bugs] [Bug 12424] ddc sorting of call numbers truncates long Cutter parts

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=12424

--- Comment #2 from giuseppe.angilella at ct.infn.it ---
After some trial and error, I've found out that it was not Dewey.pm which needs
be modified, but /usr/share/koha/lib/C4/ClassSortRoutine.pm , where the
dimension of the "key" variable is set to 30: it must be increased to 40, to
comply with my previous change in the database:

    return substr($key, 0, 40);

Summarizing, my sorting issue was solved by:

1. attaching the year part to the Cutter part by an underscore; this prevents
Dewey.pm from treating the year part as the "second numeric part", and padding
it with zeroes therefore;

1a. If the same author (author with the same Cutter) has other items, with
record-specific Cutters, such as F435wh, these must be re-Cuttered as F435_wh;

2. items.cn_sort must be increased to 40 characters (modify Koha's database as
described above);

3. the length of $key must also be increased to 40 (modify ClassSortRoutine.pm
as described above).

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