https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=29134
Bug ID: 29134
Summary: Patron search has poor performance when
ExtendedAttributes enabled and many attributes match
Change sponsored?: ---
Product: Koha
Version: master
Hardware: All
OS: All
Status: NEW
Severity: major
Priority: P5 - low
Component: Architecture, internals, and plumbing
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
When system preference ExtendedPatronAttributes is enabled the patron search
finds all patrons with a matching attribute and builds a where string with all
the borrowernumbers concatted into an 'IN'
my @matching_borrowernumbers =
Koha::Patrons->filter_by_attribute_value($searchmember)->get_column('borrowernumber');
for my $borrowernumber ( @matching_borrowernumbers ) {
push @where_strs_or, "borrowers.borrowernumber = ?";
push @where_args, $borrowernumber;
}
When there are too many matches on a system with many patrons/attributes this
generates a very large query which takes a very long time to return
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