[Koha-bugs] [Bug 34360] New: [WARN] DBIx::Class::ResultSetColumn::new(): Attempting to retrieve non-unique column 'biblionumber' on a resultset containing one-to-many joins will return duplicate results

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=34360

            Bug ID: 34360
           Summary: [WARN] DBIx::Class::ResultSetColumn::new(): Attempting
                    to retrieve non-unique column 'biblionumber' on a
                    resultset containing one-to-many joins will return
                    duplicate results
 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: m.de.rooy at rijksmuseum.nl
        QA Contact: testopia at bugs.koha-community.org

Seeing this warn on current master:
[2023/07/24 13:37:03] [WARN] DBIx::Class::ResultSetColumn::new(): Attempting to
retrieve non-unique column 'biblionumber' on a resultset containing one-to-many
joins will return duplicate results. at /usr/share/koha/Koha/Objects.pm line
421

Refers to sub get_column {
    my ($self, $column_name) = @_;
=>    return $self->_resultset->get_column( $column_name )->all;
}

get_column is called in the accessors of Koha/Object AUTOLOAD.

This warn must have been triggered already by doing a catalogue search in staff
from the main page.
Some join or prefetch on staff detail ?

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