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(-)a/Koha/SearchEngine/Elasticsearch.pm (-9 / +3 lines)
Lines 617-630 sub marc_records_to_documents { Link Here
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                    my $subfields_join_mappings = $data_field_rules->{subfields_join};
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                    my $subfields_join_mappings = $data_field_rules->{subfields_join};
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                    if ($subfields_join_mappings) {
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                    if ($subfields_join_mappings) {
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                        foreach my $subfields_group (keys %{$subfields_join_mappings}) {
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                        foreach my $subfields_group (keys %{$subfields_join_mappings}) {
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                            # Map each subfield to values, remove empty values, join with space
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                            my $data_field = $field->clone; #copy field to preserve for alt scripts
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                            my $data = join(
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                            $data_field->delete_subfield(match => qr/^$/); #remove empty subfields, otherwise they are printed as a space
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                                ' ',
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                            my $data = $data_field->as_string( $subfields_group ); #get values for subfields as a combind string, preserving record order
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                                grep(
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                                    $_,
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                                    map { join(' ', $field->subfield($_)) } split(//, $subfields_group)
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                                )
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                            );
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                            if ($data) {
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                            if ($data) {
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                                $self->_process_mappings($subfields_join_mappings->{$subfields_group}, $data, $record_document, {
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                                $self->_process_mappings($subfields_join_mappings->{$subfields_group}, $data, $record_document, {
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                                        altscript => $altscript,
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                                        altscript => $altscript,
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