https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=39079
Bug ID: 39079
Summary: Matchpoints with multiple fields require all fields to
match under Elasticsearch
Change sponsored?: ---
Product: Koha
Version: Main
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5 - low
Component: Searching - Elasticsearch
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
In zebra when matching an incoming file to existing records, we use 'OR' to
combine the fields
In elasticsearch we are combining multiple fields with 'AND' as a 'must' search
This means an incoming record with two control numbers will not match an
existing record with only one
The generated queries are like:
2025-02-10T14:59:07 zebrasrv(46) [request] Search authorities OK 0 1 1+0 RPN
@attrset Bib-1 @or @attr 1=Local-Number @attr 4=109 @attr 7=1 0 @or @or @attr
6=3 @attr 5=100 @attr 4=1 @attr 1=other-control-number (DE-588)4179998-7 @attr
6=3 @attr 5=100 @attr 4=1 @attr 1=other-control-number (DE-627)104628669 @attr
6=3 @attr 5=100 @attr 4=1 @attr 1=other-control-number (DE-576)209995106
versus
'bool' => {
'must' => [
{
'term' => {
'other-control-number.ci_raw' => '(DE-588)4179998-7'
}
},
{
'term' => {
'other-control-number.ci_raw' => '(DE-627)104628669'
}
},
{
'term' => {
'other-control-number.ci_raw' => '(DE-576)209995106'
}
}
]
}
}
This is due to this bit of code:
ElasticSearch/QueryBuilder:
469 # Merge the query parts appropriately
470 # 'should' behaves like 'or'
471 # 'must' behaves like 'and'
472 # Zebra behaviour seem to match must so using that here
473 my $elastic_query = {};
474 $elastic_query->{bool}->{must} = \@query_parts;
We need to respect the and_or passed into build_auth_query_compat, but
currently:
514 =item and_or
515
516 Totally ignored. It is never used in
L<C4::AuthoritiesMarc::SearchAuthorities>.
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