[Koha-bugs] [Bug 21749] New: Importing MARC frameworks from pre-9701 fails

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=21749

            Bug ID: 21749
           Summary: Importing MARC frameworks from pre-9701 fails
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P5 - low
         Component: MARC Bibliographic data support
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: tomascohen at gmail.com
        QA Contact: testopia at bugs.koha-community.org

If you import a MARC framework that has been exported from a previous version
of Koha (17.11 and below) results in an empty MARC framework, without any error
reporting to the end user. This is because of the added columns in
'marc_tag_structure' (ind1_defaultvalue and ind2_defaultvalue) and the fact
that we don't have a fallback behaviour when they are not present on the
uploaded file.

My opinion is we should check the table header (from CSV or whatever format)
and let the DB use the default values if a column is missing.

I mark it as Major, because there's no possible data recovery after the failed
import.

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