3 # This file is part of Koha.
5 # Koha is free software; you can redistribute it and/or modify it under the
6 # terms of the GNU General Public License as published by the Free Software
7 # Foundation; either version 2 of the License, or (at your option) any later
10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License along with
15 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
16 # Suite 330, Boston, MA 02111-1307 USA
19 # use warnings; # FIXME
22 use C4::Biblio; # GetMarcFromKohaField, GetBiblioData
23 use C4::Koha; # getFacets
25 use C4::Search::PazPar2;
27 use C4::Dates qw(format_date);
32 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
34 # set the version for version checking
37 $DEBUG = ($ENV{DEBUG}) ? 1 : 0;
42 C4::Search - Functions for searching the Koha catalog.
46 See opac/opac-search.pl or catalogue/search.pl for example of usage
50 This module provides searching functions for Koha's bibliographic databases
68 # make all your functions, whether exported or not;
72 ($biblionumber,$biblionumber,$title) = FindDuplicate($record);
74 This function attempts to find duplicate records using a hard-coded, fairly simplistic algorithm
80 my $dbh = C4::Context->dbh;
81 my $result = TransformMarcToKoha( $dbh, $record, '' );
86 my ( $biblionumber, $title );
88 # search duplicate on ISBN, easy and fast..
90 if ( $result->{isbn} ) {
91 $result->{isbn} =~ s/\(.*$//;
92 $result->{isbn} =~ s/\s+$//;
93 $query = "isbn=$result->{isbn}";
96 $result->{title} =~ s /\\//g;
97 $result->{title} =~ s /\"//g;
98 $result->{title} =~ s /\(//g;
99 $result->{title} =~ s /\)//g;
101 # FIXME: instead of removing operators, could just do
102 # quotes around the value
103 $result->{title} =~ s/(and|or|not)//g;
104 $query = "ti,ext=$result->{title}";
105 $query .= " and itemtype=$result->{itemtype}"
106 if ( $result->{itemtype} );
107 if ( $result->{author} ) {
108 $result->{author} =~ s /\\//g;
109 $result->{author} =~ s /\"//g;
110 $result->{author} =~ s /\(//g;
111 $result->{author} =~ s /\)//g;
113 # remove valid operators
114 $result->{author} =~ s/(and|or|not)//g;
115 $query .= " and au,ext=$result->{author}";
119 # FIXME: add error handling
120 my ( $error, $searchresults ) = SimpleSearch($query); # FIXME :: hardcoded !
122 foreach my $possible_duplicate_record (@$searchresults) {
124 MARC::Record->new_from_usmarc($possible_duplicate_record);
125 my $result = TransformMarcToKoha( $dbh, $marcrecord, '' );
127 # FIXME :: why 2 $biblionumber ?
129 push @results, $result->{'biblionumber'};
130 push @results, $result->{'title'};
138 ( $error, $results, $total_hits ) = SimpleSearch( $query, $offset, $max_results, [@servers] );
140 This function provides a simple search API on the bibliographic catalog
146 * $query can be a simple keyword or a complete CCL query
147 * @servers is optional. Defaults to biblioserver as found in koha-conf.xml
148 * $offset - If present, represents the number of records at the beggining to omit. Defaults to 0
149 * $max_results - if present, determines the maximum number of records to fetch. undef is All. defaults to undef.
154 * $error is a empty unless an error is detected
155 * \@results is an array of records.
156 * $total_hits is the number of hits that would have been returned with no limit
158 =item C<usage in the script:>
162 my ( $error, $marcresults, $total_hits ) = SimpleSearch($query);
164 if (defined $error) {
165 $template->param(query_error => $error);
166 warn "error: ".$error;
167 output_html_with_http_headers $input, $cookie, $template->output;
171 my $hits = scalar @$marcresults;
174 for my $i (0..$hits) {
176 my $marcrecord = MARC::File::USMARC::decode($marcresults->[$i]);
177 my $biblio = TransformMarcToKoha(C4::Context->dbh,$marcrecord,'');
179 #build the hash for the template.
180 $resultsloop{title} = $biblio->{'title'};
181 $resultsloop{subtitle} = $biblio->{'subtitle'};
182 $resultsloop{biblionumber} = $biblio->{'biblionumber'};
183 $resultsloop{author} = $biblio->{'author'};
184 $resultsloop{publishercode} = $biblio->{'publishercode'};
185 $resultsloop{publicationyear} = $biblio->{'publicationyear'};
187 push @results, \%resultsloop;
190 $template->param(result=>\@results);
195 my ( $query, $offset, $max_results, $servers ) = @_;
197 if ( C4::Context->preference('NoZebra') ) {
198 my $result = NZorder( NZanalyse($query) )->{'biblioserver'};
201 && $result->{hits} > 0 ? $result->{'RECORDS'} : [] );
202 return ( undef, $search_result, scalar($result->{hits}) );
205 # FIXME hardcoded value. See catalog/search.pl & opac-search.pl too.
206 my @servers = defined ( $servers ) ? @$servers : ( "biblioserver" );
212 return ( "No query entered", undef, undef ) unless $query;
214 # Initialize & Search Zebra
215 for ( my $i = 0 ; $i < @servers ; $i++ ) {
217 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
218 $zoom_queries[$i] = new ZOOM::Query::CCL2RPN( $query, $zconns[$i]);
219 $tmpresults[$i] = $zconns[$i]->search( $zoom_queries[$i] );
223 $zconns[$i]->errmsg() . " ("
224 . $zconns[$i]->errcode() . ") "
225 . $zconns[$i]->addinfo() . " "
226 . $zconns[$i]->diagset();
228 return ( $error, undef, undef ) if $zconns[$i]->errcode();
232 # caught a ZOOM::Exception
236 . $@->addinfo() . " "
239 return ( $error, undef, undef );
242 while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
243 my $event = $zconns[ $i - 1 ]->last_event();
244 if ( $event == ZOOM::Event::ZEND ) {
246 my $first_record = defined( $offset ) ? $offset+1 : 1;
247 my $hits = $tmpresults[ $i - 1 ]->size();
248 $total_hits += $hits;
249 my $last_record = $hits;
250 if ( defined $max_results && $offset + $max_results < $hits ) {
251 $last_record = $offset + $max_results;
254 for my $j ( $first_record..$last_record ) {
255 my $record = $tmpresults[ $i - 1 ]->record( $j-1 )->raw(); # 0 indexed
256 push @results, $record;
261 foreach my $result (@tmpresults) {
264 foreach my $zoom_query (@zoom_queries) {
265 $zoom_query->destroy();
268 return ( undef, \@results, $total_hits );
274 ( undef, $results_hashref, \@facets_loop ) = getRecords (
276 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
277 $results_per_page, $offset, $expanded_facet, $branches,
281 The all singing, all dancing, multi-server, asynchronous, scanning,
282 searching, record nabbing, facet-building
284 See verbse embedded documentation.
290 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
291 $results_per_page, $offset, $expanded_facet, $branches,
295 my @servers = @$servers_ref;
296 my @sort_by = @$sort_by_ref;
298 # Initialize variables for the ZOOM connection and results object
302 my $results_hashref = ();
304 # Initialize variables for the faceted results objects
305 my $facets_counter = ();
306 my $facets_info = ();
307 my $facets = getFacets();
309 my @facets_loop; # stores the ref to array of hashes for template facets loop
311 ### LOOP THROUGH THE SERVERS
312 for ( my $i = 0 ; $i < @servers ; $i++ ) {
313 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
315 # perform the search, create the results objects
316 # if this is a local search, use the $koha-query, if it's a federated one, use the federated-query
317 my $query_to_use = ($servers[$i] =~ /biblioserver/) ? $koha_query : $simple_query;
319 #$query_to_use = $simple_query if $scan;
320 warn $simple_query if ( $scan and $DEBUG );
322 # Check if we've got a query_type defined, if so, use it
325 if ($query_type =~ /^ccl/) {
326 $query_to_use =~ s/\:/\=/g; # change : to = last minute (FIXME)
327 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
328 } elsif ($query_type =~ /^cql/) {
329 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CQL($query_to_use, $zconns[$i]));
330 } elsif ($query_type =~ /^pqf/) {
331 $results[$i] = $zconns[$i]->search(new ZOOM::Query::PQF($query_to_use, $zconns[$i]));
333 warn "Unknown query_type '$query_type'. Results undetermined.";
336 $results[$i] = $zconns[$i]->scan( new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
338 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
342 warn "WARNING: query problem with $query_to_use " . $@;
345 # Concatenate the sort_by limits and pass them to the results object
346 # Note: sort will override rank
348 foreach my $sort (@sort_by) {
349 if ( $sort eq "author_az" ) {
350 $sort_by .= "1=1003 <i ";
352 elsif ( $sort eq "author_za" ) {
353 $sort_by .= "1=1003 >i ";
355 elsif ( $sort eq "popularity_asc" ) {
356 $sort_by .= "1=9003 <i ";
358 elsif ( $sort eq "popularity_dsc" ) {
359 $sort_by .= "1=9003 >i ";
361 elsif ( $sort eq "call_number_asc" ) {
362 $sort_by .= "1=20 <i ";
364 elsif ( $sort eq "call_number_dsc" ) {
365 $sort_by .= "1=20 >i ";
367 elsif ( $sort eq "pubdate_asc" ) {
368 $sort_by .= "1=31 <i ";
370 elsif ( $sort eq "pubdate_dsc" ) {
371 $sort_by .= "1=31 >i ";
373 elsif ( $sort eq "acqdate_asc" ) {
374 $sort_by .= "1=32 <i ";
376 elsif ( $sort eq "acqdate_dsc" ) {
377 $sort_by .= "1=32 >i ";
379 elsif ( $sort eq "title_az" ) {
380 $sort_by .= "1=4 <i ";
382 elsif ( $sort eq "title_za" ) {
383 $sort_by .= "1=4 >i ";
386 warn "Ignoring unrecognized sort '$sort' requested" if $sort_by;
390 if ( $results[$i]->sort( "yaz", $sort_by ) < 0 ) {
391 warn "WARNING sort $sort_by failed";
394 } # finished looping through servers
396 # The big moment: asynchronously retrieve results from all servers
397 while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
398 my $ev = $zconns[ $i - 1 ]->last_event();
399 if ( $ev == ZOOM::Event::ZEND ) {
400 next unless $results[ $i - 1 ];
401 my $size = $results[ $i - 1 ]->size();
405 # loop through the results
406 $results_hash->{'hits'} = $size;
408 if ( $offset + $results_per_page <= $size ) {
409 $times = $offset + $results_per_page;
414 for ( my $j = $offset ; $j < $times ; $j++ ) {
419 ## Check if it's an index scan
421 my ( $term, $occ ) = $results[ $i - 1 ]->term($j);
423 # here we create a minimal MARC record and hand it off to the
424 # template just like a normal result ... perhaps not ideal, but
426 my $tmprecord = MARC::Record->new();
427 $tmprecord->encoding('UTF-8');
431 # the minimal record in author/title (depending on MARC flavour)
432 if (C4::Context->preference("marcflavour") eq "UNIMARC") {
433 $tmptitle = MARC::Field->new('200',' ',' ', a => $term, f => $occ);
434 $tmprecord->append_fields($tmptitle);
436 $tmptitle = MARC::Field->new('245',' ',' ', a => $term,);
437 $tmpauthor = MARC::Field->new('100',' ',' ', a => $occ,);
438 $tmprecord->append_fields($tmptitle);
439 $tmprecord->append_fields($tmpauthor);
441 $results_hash->{'RECORDS'}[$j] = $tmprecord->as_usmarc();
446 $record = $results[ $i - 1 ]->record($j)->raw();
448 # warn "RECORD $j:".$record;
449 $results_hash->{'RECORDS'}[$j] = $record;
451 # Fill the facets while we're looping, but only for the biblioserver
452 $facet_record = MARC::Record->new_from_usmarc($record)
453 if $servers[ $i - 1 ] =~ /biblioserver/;
455 #warn $servers[$i-1]."\n".$record; #.$facet_record->title();
457 for ( my $k = 0 ; $k <= @$facets ; $k++ ) {
458 ($facets->[$k]) or next;
459 my @fields = map {$facet_record->field($_)} @{$facets->[$k]->{'tags'}} ;
460 for my $field (@fields) {
461 my @subfields = $field->subfields();
462 for my $subfield (@subfields) {
463 my ( $code, $data ) = @$subfield;
464 ($code eq $facets->[$k]->{'subfield'}) or next;
465 $facets_counter->{ $facets->[$k]->{'link_value'} }->{$data}++;
468 $facets_info->{ $facets->[$k]->{'link_value'} }->{'label_value'} =
469 $facets->[$k]->{'label_value'};
470 $facets_info->{ $facets->[$k]->{'link_value'} }->{'expanded'} =
471 $facets->[$k]->{'expanded'};
476 $results_hashref->{ $servers[ $i - 1 ] } = $results_hash;
479 # warn "connection ", $i-1, ": $size hits";
480 # warn $results[$i-1]->record(0)->render() if $size > 0;
483 if ( $servers[ $i - 1 ] =~ /biblioserver/ ) {
485 sort { $facets_counter->{$b} <=> $facets_counter->{$a} }
486 keys %$facets_counter )
489 my $number_of_facets;
490 my @this_facets_array;
493 $facets_counter->{$link_value}->{$b}
494 <=> $facets_counter->{$link_value}->{$a}
495 } keys %{ $facets_counter->{$link_value} }
499 if ( ( $number_of_facets < 6 )
500 || ( $expanded_facet eq $link_value )
501 || ( $facets_info->{$link_value}->{'expanded'} ) )
504 # Sanitize the link value ), ( will cause errors with CCL,
505 my $facet_link_value = $one_facet;
506 $facet_link_value =~ s/(\(|\))/ /g;
508 # fix the length that will display in the label,
509 my $facet_label_value = $one_facet;
511 substr( $one_facet, 0, 20 ) . "..."
512 unless length($facet_label_value) <= 20;
514 # if it's a branch, label by the name, not the code,
515 if ( $link_value =~ /branch/ ) {
517 $branches->{$one_facet}->{'branchname'};
520 # but we're down with the whole label being in the link's title.
521 push @this_facets_array, {
522 facet_count => $facets_counter->{$link_value}->{$one_facet},
523 facet_label_value => $facet_label_value,
524 facet_title_value => $one_facet,
525 facet_link_value => $facet_link_value,
526 type_link_value => $link_value,
531 # handle expanded option
532 unless ( $facets_info->{$link_value}->{'expanded'} ) {
534 if ( ( $number_of_facets > 6 )
535 && ( $expanded_facet ne $link_value ) );
538 type_link_value => $link_value,
539 type_id => $link_value . "_id",
540 "type_label_" . $facets_info->{$link_value}->{'label_value'} => 1,
541 facets => \@this_facets_array,
542 expandable => $expandable,
543 expand => $link_value,
544 } unless ( ($facets_info->{$link_value}->{'label_value'} =~ /Libraries/) and (C4::Context->preference('singleBranchMode')) );
549 return ( undef, $results_hashref, \@facets_loop );
554 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
555 $results_per_page, $offset, $expanded_facet, $branches,
559 my $paz = C4::Search::PazPar2->new(C4::Context->config('pazpar2url'));
561 $paz->search($simple_query);
562 sleep 1; # FIXME: WHY?
565 my $results_hashref = {};
566 my $stats = XMLin($paz->stat);
567 my $results = XMLin($paz->show($offset, $results_per_page, 'work-title:1'), forcearray => 1);
569 # for a grouped search result, the number of hits
570 # is the number of groups returned; 'bib_hits' will have
571 # the total number of bibs.
572 $results_hashref->{'biblioserver'}->{'hits'} = $results->{'merged'}->[0];
573 $results_hashref->{'biblioserver'}->{'bib_hits'} = $stats->{'hits'};
575 HIT: foreach my $hit (@{ $results->{'hit'} }) {
576 my $recid = $hit->{recid}->[0];
578 my $work_title = $hit->{'md-work-title'}->[0];
580 if (exists $hit->{'md-work-author'}) {
581 $work_author = $hit->{'md-work-author'}->[0];
583 my $group_label = (defined $work_author) ? "$work_title / $work_author" : $work_title;
585 my $result_group = {};
586 $result_group->{'group_label'} = $group_label;
587 $result_group->{'group_merge_key'} = $recid;
590 if (exists $hit->{count}) {
591 $count = $hit->{count}->[0];
593 $result_group->{'group_count'} = $count;
595 for (my $i = 0; $i < $count; $i++) {
596 # FIXME -- may need to worry about diacritics here
597 my $rec = $paz->record($recid, $i);
598 push @{ $result_group->{'RECORDS'} }, $rec;
601 push @{ $results_hashref->{'biblioserver'}->{'GROUPS'} }, $result_group;
604 # pass through facets
605 my $termlist_xml = $paz->termlist('author,subject');
606 my $terms = XMLin($termlist_xml, forcearray => 1);
607 my @facets_loop = ();
608 #die Dumper($results);
609 # foreach my $list (sort keys %{ $terms->{'list'} }) {
611 # foreach my $facet (sort @{ $terms->{'list'}->{$list}->{'term'} } ) {
613 # facet_label_value => $facet->{'name'}->[0],
616 # push @facets_loop, ( {
617 # type_label => $list,
618 # facets => \@facets,
622 return ( undef, $results_hashref, \@facets_loop );
626 sub _remove_stopwords {
627 my ( $operand, $index ) = @_;
628 my @stopwords_removed;
630 # phrase and exact-qualified indexes shouldn't have stopwords removed
631 if ( $index !~ m/phr|ext/ ) {
633 # remove stopwords from operand : parse all stopwords & remove them (case insensitive)
634 # we use IsAlpha unicode definition, to deal correctly with diacritics.
635 # otherwise, a French word like "leçon" woudl be split into "le" "çon", "le"
636 # is a stopword, we'd get "çon" and wouldn't find anything...
637 foreach ( keys %{ C4::Context->stopwords } ) {
638 next if ( $_ =~ /(and|or|not)/ ); # don't remove operators
639 if ( my ($matched) = ($operand =~
640 /(\P{IsAlnum}\Q$_\E\P{IsAlnum}|^\Q$_\E\P{IsAlnum}|\P{IsAlnum}\Q$_\E$|^\Q$_\E$)/gi) )
642 $operand =~ s/\Q$matched\E/ /gi;
643 push @stopwords_removed, $_;
647 return ( $operand, \@stopwords_removed );
651 sub _detect_truncation {
652 my ( $operand, $index ) = @_;
653 my ( @nontruncated, @righttruncated, @lefttruncated, @rightlefttruncated,
656 my @wordlist = split( /\s/, $operand );
657 foreach my $word (@wordlist) {
658 if ( $word =~ s/^\*([^\*]+)\*$/$1/ ) {
659 push @rightlefttruncated, $word;
661 elsif ( $word =~ s/^\*([^\*]+)$/$1/ ) {
662 push @lefttruncated, $word;
664 elsif ( $word =~ s/^([^\*]+)\*$/$1/ ) {
665 push @righttruncated, $word;
667 elsif ( index( $word, "*" ) < 0 ) {
668 push @nontruncated, $word;
671 push @regexpr, $word;
675 \@nontruncated, \@righttruncated, \@lefttruncated,
676 \@rightlefttruncated, \@regexpr
681 sub _build_stemmed_operand {
682 my ($operand,$lang) = @_;
683 require Lingua::Stem::Snowball;
686 # If operand contains a digit, it is almost certainly an identifier, and should
687 # not be stemmed. This is particularly relevant for ISBNs and ISSNs, which
688 # can contain the letter "X" - for example, _build_stemmend_operand would reduce
689 # "014100018X" to "x ", which for a MARC21 database would bring up irrelevant
690 # results (e.g., "23 x 29 cm." from the 300$c). Bug 2098.
691 return $operand if $operand =~ /\d/;
693 # FIXME: the locale should be set based on the user's language and/or search choice
694 my $stemmer = Lingua::Stem::Snowball->new( lang => $lang,
695 encoding => "UTF-8" );
697 # FIXME: these should be stored in the db so the librarian can modify the behavior
698 $stemmer->add_exceptions(
705 my @words = split( / /, $operand );
706 my @stems = $stemmer->stem(\@words);
707 for my $stem (@stems) {
708 $stemmed_operand .= "$stem";
709 $stemmed_operand .= "?"
710 unless ( $stem =~ /(and$|or$|not$)/ ) || ( length($stem) < 3 );
711 $stemmed_operand .= " ";
713 warn "STEMMED OPERAND: $stemmed_operand" if $DEBUG;
714 return $stemmed_operand;
718 sub _build_weighted_query {
720 # FIELD WEIGHTING - This is largely experimental stuff. What I'm committing works
721 # pretty well but could work much better if we had a smarter query parser
722 my ( $operand, $stemmed_operand, $index ) = @_;
723 my $stemming = C4::Context->preference("QueryStemming") || 0;
724 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
725 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
727 my $weighted_query .= "(rk=("; # Specifies that we're applying rank
729 # Keyword, or, no index specified
730 if ( ( $index eq 'kw' ) || ( !$index ) ) {
732 "Title-cover,ext,r1=\"$operand\""; # exact title-cover
733 $weighted_query .= " or ti,ext,r2=\"$operand\""; # exact title
734 $weighted_query .= " or ti,phr,r3=\"$operand\""; # phrase title
735 #$weighted_query .= " or any,ext,r4=$operand"; # exact any
736 #$weighted_query .=" or kw,wrdl,r5=\"$operand\""; # word list any
737 $weighted_query .= " or wrdl,fuzzy,r8=\"$operand\""
738 if $fuzzy_enabled; # add fuzzy, word list
739 $weighted_query .= " or wrdl,right-Truncation,r9=\"$stemmed_operand\""
740 if ( $stemming and $stemmed_operand )
741 ; # add stemming, right truncation
742 $weighted_query .= " or wrdl,r9=\"$operand\"";
744 # embedded sorting: 0 a-z; 1 z-a
745 # $weighted_query .= ") or (sort1,aut=1";
748 # Barcode searches should skip this process
749 elsif ( $index eq 'bc' ) {
750 $weighted_query .= "bc=\"$operand\"";
753 # Authority-number searches should skip this process
754 elsif ( $index eq 'an' ) {
755 $weighted_query .= "an=\"$operand\"";
758 # If the index already has more than one qualifier, wrap the operand
759 # in quotes and pass it back (assumption is that the user knows what they
760 # are doing and won't appreciate us mucking up their query
761 elsif ( $index =~ ',' ) {
762 $weighted_query .= " $index=\"$operand\"";
765 #TODO: build better cases based on specific search indexes
767 $weighted_query .= " $index,ext,r1=\"$operand\""; # exact index
768 #$weighted_query .= " or (title-sort-az=0 or $index,startswithnt,st-word,r3=$operand #)";
769 $weighted_query .= " or $index,phr,r3=\"$operand\""; # phrase index
771 " or $index,rt,wrdl,r3=\"$operand\""; # word list index
774 $weighted_query .= "))"; # close rank specification
775 return $weighted_query;
781 $simple_query, $query_cgi,
783 $limit_cgi, $limit_desc,
784 $stopwords_removed, $query_type ) = buildQuery ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang);
786 Build queries and limits in CCL, CGI, Human,
787 handle truncation, stemming, field weighting, stopwords, fuzziness, etc.
789 See verbose embedded documentation.
795 my ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang) = @_;
797 warn "---------\nEnter buildQuery\n---------" if $DEBUG;
800 my @operators = $operators ? @$operators : ();
801 my @indexes = $indexes ? @$indexes : ();
802 my @operands = $operands ? @$operands : ();
803 my @limits = $limits ? @$limits : ();
804 my @sort_by = $sort_by ? @$sort_by : ();
806 my $stemming = C4::Context->preference("QueryStemming") || 0;
807 my $auto_truncation = C4::Context->preference("QueryAutoTruncate") || 0;
808 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
809 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
810 my $remove_stopwords = C4::Context->preference("QueryRemoveStopwords") || 0;
812 # no stemming/weight/fuzzy in NoZebra
813 if ( C4::Context->preference("NoZebra") ) {
819 my $query = $operands[0];
820 my $simple_query = $operands[0];
822 # initialize the variables we're passing back
831 my $stopwords_removed; # flag to determine if stopwords have been removed
833 # for handling ccl, cql, pqf queries in diagnostic mode, skip the rest of the steps
835 if ( $query =~ /^ccl=/ ) {
836 return ( undef, $', $', "q=ccl=$'", $', '', '', '', '', 'ccl' );
838 if ( $query =~ /^cql=/ ) {
839 return ( undef, $', $', "q=cql=$'", $', '', '', '', '', 'cql' );
841 if ( $query =~ /^pqf=/ ) {
842 return ( undef, $', $', "q=pqf=$'", $', '', '', '', '', 'pqf' );
845 # pass nested queries directly
846 # FIXME: need better handling of some of these variables in this case
847 if ( $query =~ /(\(|\))/ ) {
849 undef, $query, $simple_query, $query_cgi,
850 $query, $limit, $limit_cgi, $limit_desc,
851 $stopwords_removed, 'ccl'
855 # Form-based queries are non-nested and fixed depth, so we can easily modify the incoming
856 # query operands and indexes and add stemming, truncation, field weighting, etc.
857 # Once we do so, we'll end up with a value in $query, just like if we had an
858 # incoming $query from the user
861 ; # clear it out so we can populate properly with field-weighted, stemmed, etc. query
863 ; # a flag used to keep track if there was a previous query
864 # if there was, we can apply the current operator
866 for ( my $i = 0 ; $i <= @operands ; $i++ ) {
868 # COMBINE OPERANDS, INDEXES AND OPERATORS
869 if ( $operands[$i] ) {
871 # A flag to determine whether or not to add the index to the query
874 # If the user is sophisticated enough to specify an index, turn off field weighting, stemming, and stopword handling
875 if ( $operands[$i] =~ /(:|=)/ || $scan ) {
878 $remove_stopwords = 0;
880 my $operand = $operands[$i];
881 my $index = $indexes[$i];
883 # Add index-specific attributes
884 # Date of Publication
885 if ( $index eq 'yr' ) {
886 $index .= ",st-numeric";
888 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = $remove_stopwords = 0;
891 # Date of Acquisition
892 elsif ( $index eq 'acqdate' ) {
893 $index .= ",st-date-normalized";
895 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = $remove_stopwords = 0;
897 # ISBN,ISSN,Standard Number, don't need special treatment
898 elsif ( $index eq 'nb' || $index eq 'ns' ) {
901 $stemming, $auto_truncation,
902 $weight_fields, $fuzzy_enabled,
904 ) = ( 0, 0, 0, 0, 0 );
907 # Set default structure attribute (word list)
909 unless ( $indexes_set || !$index || $index =~ /(st-|phr|ext|wrdl)/ ) {
910 $struct_attr = ",wrdl";
913 # Some helpful index variants
914 my $index_plus = $index . $struct_attr . ":" if $index;
915 my $index_plus_comma = $index . $struct_attr . "," if $index;
916 if ($auto_truncation){
917 # FIXME Auto Truncation is only valid for LTR languages
919 # use C4::Languages qw(regex_lang_subtags get_bidi);
920 # $lang = $query->cookie('KohaOpacLanguage') if (defined $query && $query->cookie('KohaOpacLanguage'));
921 # my $current_lang = regex_lang_subtags($lang);
923 # $bidi = get_bidi($current_lang->{script}) if $current_lang->{script};
924 $index_plus_comma .= "rtrn:";
928 if ($remove_stopwords) {
929 ( $operand, $stopwords_removed ) =
930 _remove_stopwords( $operand, $index );
931 warn "OPERAND w/out STOPWORDS: >$operand<" if $DEBUG;
932 warn "REMOVED STOPWORDS: @$stopwords_removed"
933 if ( $stopwords_removed && $DEBUG );
937 my $truncated_operand;
938 my( $nontruncated, $righttruncated, $lefttruncated,
939 $rightlefttruncated, $regexpr
940 ) = _detect_truncation( $operand, $index );
942 "TRUNCATION: NON:>@$nontruncated< RIGHT:>@$righttruncated< LEFT:>@$lefttruncated< RIGHTLEFT:>@$rightlefttruncated< REGEX:>@$regexpr<"
947 scalar(@$righttruncated) + scalar(@$lefttruncated) +
948 scalar(@$rightlefttruncated) > 0 )
951 # Don't field weight or add the index to the query, we do it here
953 undef $weight_fields;
954 my $previous_truncation_operand;
955 if (scalar @$nontruncated) {
956 $truncated_operand .= "$index_plus @$nontruncated ";
957 $previous_truncation_operand = 1;
959 if (scalar @$righttruncated) {
960 $truncated_operand .= "and " if $previous_truncation_operand;
961 $truncated_operand .= $index_plus_comma . "rtrn:@$righttruncated ";
962 $previous_truncation_operand = 1;
964 if (scalar @$lefttruncated) {
965 $truncated_operand .= "and " if $previous_truncation_operand;
966 $truncated_operand .= $index_plus_comma . "ltrn:@$lefttruncated ";
967 $previous_truncation_operand = 1;
969 if (scalar @$rightlefttruncated) {
970 $truncated_operand .= "and " if $previous_truncation_operand;
971 $truncated_operand .= $index_plus_comma . "rltrn:@$rightlefttruncated ";
972 $previous_truncation_operand = 1;
975 $operand = $truncated_operand if $truncated_operand;
976 warn "TRUNCATED OPERAND: >$truncated_operand<" if $DEBUG;
980 $stemmed_operand = _build_stemmed_operand($operand, $lang)
983 warn "STEMMED OPERAND: >$stemmed_operand<" if $DEBUG;
985 # Handle Field Weighting
986 my $weighted_operand;
987 if ($weight_fields) {
988 $weighted_operand = _build_weighted_query( $operand, $stemmed_operand, $index );
989 $operand = $weighted_operand;
993 warn "FIELD WEIGHTED OPERAND: >$weighted_operand<" if $DEBUG;
995 # If there's a previous operand, we need to add an operator
996 if ($previous_operand) {
998 # User-specified operator
999 if ( $operators[ $i - 1 ] ) {
1000 $query .= " $operators[$i-1] ";
1001 $query .= " $index_plus " unless $indexes_set;
1002 $query .= " $operand";
1003 $query_cgi .= "&op=$operators[$i-1]";
1004 $query_cgi .= "&idx=$index" if $index;
1005 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1007 " $operators[$i-1] $index_plus $operands[$i]";
1010 # Default operator is and
1013 $query .= "$index_plus " unless $indexes_set;
1014 $query .= "$operand";
1015 $query_cgi .= "&op=and&idx=$index" if $index;
1016 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1017 $query_desc .= " and $index_plus $operands[$i]";
1021 # There isn't a pervious operand, don't need an operator
1024 # Field-weighted queries already have indexes set
1025 $query .= " $index_plus " unless $indexes_set;
1027 $query_desc .= " $index_plus $operands[$i]";
1028 $query_cgi .= "&idx=$index" if $index;
1029 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1030 $previous_operand = 1;
1035 warn "QUERY BEFORE LIMITS: >$query<" if $DEBUG;
1038 my $group_OR_limits;
1039 my $availability_limit;
1040 foreach my $this_limit (@limits) {
1041 if ( $this_limit =~ /available/ ) {
1043 # 'available' is defined as (items.onloan is NULL) and (items.itemlost = 0)
1045 # all records not indexed in the onloan register (zebra) and all records with a value of lost equal to 0
1046 $availability_limit .=
1047 "( ( allrecords,AlwaysMatches='' not onloan,AlwaysMatches='') and (lost,st-numeric=0) )"; #or ( allrecords,AlwaysMatches='' not lost,AlwaysMatches='')) )";
1048 $limit_cgi .= "&limit=available";
1052 # group_OR_limits, prefixed by mc-
1053 # OR every member of the group
1054 elsif ( $this_limit =~ /mc/ ) {
1055 $group_OR_limits .= " or " if $group_OR_limits;
1056 $limit_desc .= " or " if $group_OR_limits;
1057 $group_OR_limits .= "$this_limit";
1058 $limit_cgi .= "&limit=$this_limit";
1059 $limit_desc .= " $this_limit";
1062 # Regular old limits
1064 $limit .= " and " if $limit || $query;
1065 $limit .= "$this_limit";
1066 $limit_cgi .= "&limit=$this_limit";
1067 if ($this_limit =~ /^branch:(.+)/) {
1068 my $branchcode = $1;
1069 my $branchname = GetBranchName($branchcode);
1070 if (defined $branchname) {
1071 $limit_desc .= " branch:$branchname";
1073 $limit_desc .= " $this_limit";
1076 $limit_desc .= " $this_limit";
1080 if ($group_OR_limits) {
1081 $limit .= " and " if ( $query || $limit );
1082 $limit .= "($group_OR_limits)";
1084 if ($availability_limit) {
1085 $limit .= " and " if ( $query || $limit );
1086 $limit .= "($availability_limit)";
1089 # Normalize the query and limit strings
1092 for ( $query, $query_desc, $limit, $limit_desc ) {
1093 s/ / /g; # remove extra spaces
1094 s/^ //g; # remove any beginning spaces
1095 s/ $//g; # remove any ending spaces
1096 s/==/=/g; # remove double == from query
1098 $query_cgi =~ s/^&//; # remove unnecessary & from beginning of the query cgi
1100 for ($query_cgi,$simple_query) {
1103 # append the limit to the query
1104 $query .= " " . $limit;
1108 warn "QUERY:" . $query;
1109 warn "QUERY CGI:" . $query_cgi;
1110 warn "QUERY DESC:" . $query_desc;
1111 warn "LIMIT:" . $limit;
1112 warn "LIMIT CGI:" . $limit_cgi;
1113 warn "LIMIT DESC:" . $limit_desc;
1114 warn "---------\nLeave buildQuery\n---------";
1117 undef, $query, $simple_query, $query_cgi,
1118 $query_desc, $limit, $limit_cgi, $limit_desc,
1119 $stopwords_removed, $query_type
1123 =head2 searchResults
1125 Format results in a form suitable for passing to the template
1129 # IMO this subroutine is pretty messy still -- it's responsible for
1130 # building the HTML output for the template
1132 my ( $searchdesc, $hits, $results_per_page, $offset, $scan, @marcresults ) = @_;
1133 my $dbh = C4::Context->dbh;
1136 #Build branchnames hash
1138 #get branch information.....
1140 my $bsth =$dbh->prepare("SELECT branchcode,branchname FROM branches"); # FIXME : use C4::Branch::GetBranches
1142 while ( my $bdata = $bsth->fetchrow_hashref ) {
1143 $branches{ $bdata->{'branchcode'} } = $bdata->{'branchname'};
1145 # FIXME - We build an authorised values hash here, using the default framework
1146 # though it is possible to have different authvals for different fws.
1148 my $shelflocations =GetKohaAuthorisedValues('items.location','');
1150 # get notforloan authorised value list (see $shelflocations FIXME)
1151 my $notforloan_authorised_value = GetAuthValCode('items.notforloan','');
1153 #Build itemtype hash
1154 #find itemtype & itemtype image
1158 "SELECT itemtype,description,imageurl,summary,notforloan FROM itemtypes"
1161 while ( my $bdata = $bsth->fetchrow_hashref ) {
1162 foreach (qw(description imageurl summary notforloan)) {
1163 $itemtypes{ $bdata->{'itemtype'} }->{$_} = $bdata->{$_};
1167 #search item field code
1170 "SELECT tagfield FROM marc_subfield_structure WHERE kohafield LIKE 'items.itemnumber'"
1173 my ($itemtag) = $sth->fetchrow;
1175 ## find column names of items related to MARC
1176 my $sth2 = $dbh->prepare("SHOW COLUMNS FROM items");
1178 my %subfieldstosearch;
1179 while ( ( my $column ) = $sth2->fetchrow ) {
1180 my ( $tagfield, $tagsubfield ) =
1181 &GetMarcFromKohaField( "items." . $column, "" );
1182 $subfieldstosearch{$column} = $tagsubfield;
1185 # handle which records to actually retrieve
1187 if ( $hits && $offset + $results_per_page <= $hits ) {
1188 $times = $offset + $results_per_page;
1191 $times = $hits; # FIXME: if $hits is undefined, why do we want to equal it?
1194 my $marcflavour = C4::Context->preference("marcflavour");
1195 # loop through all of the records we've retrieved
1196 for ( my $i = $offset ; $i <= $times - 1 ; $i++ ) {
1197 my $marcrecord = MARC::File::USMARC::decode( $marcresults[$i] );
1198 my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, '' );
1199 $oldbiblio->{subtitle} = C4::Biblio::get_koha_field_from_marc('bibliosubtitle', 'subtitle', $marcrecord, '');
1200 $oldbiblio->{result_number} = $i + 1;
1202 # add imageurl to itemtype if there is one
1203 $oldbiblio->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $oldbiblio->{itemtype} }->{imageurl} );
1205 $oldbiblio->{'authorised_value_images'} = C4::Items::get_authorised_value_images( C4::Biblio::get_biblio_authorised_values( $oldbiblio->{'biblionumber'}, $marcrecord ) );
1206 $oldbiblio->{normalized_upc} = GetNormalizedUPC( $marcrecord,$marcflavour);
1207 $oldbiblio->{normalized_ean} = GetNormalizedEAN( $marcrecord,$marcflavour);
1208 $oldbiblio->{normalized_oclc} = GetNormalizedOCLCNumber($marcrecord,$marcflavour);
1209 $oldbiblio->{normalized_isbn} = GetNormalizedISBN(undef,$marcrecord,$marcflavour);
1210 $oldbiblio->{content_identifier_exists} = 1 if ($oldbiblio->{normalized_isbn} or $oldbiblio->{normalized_oclc} or $oldbiblio->{normalized_ean} or $oldbiblio->{normalized_upc});
1212 # edition information, if any
1213 $oldbiblio->{edition} = $oldbiblio->{editionstatement};
1214 $oldbiblio->{description} = $itemtypes{ $oldbiblio->{itemtype} }->{description};
1215 # Build summary if there is one (the summary is defined in the itemtypes table)
1216 # FIXME: is this used anywhere, I think it can be commented out? -- JF
1217 if ( $itemtypes{ $oldbiblio->{itemtype} }->{summary} ) {
1218 my $summary = $itemtypes{ $oldbiblio->{itemtype} }->{summary};
1219 my @fields = $marcrecord->fields();
1220 foreach my $field (@fields) {
1221 my $tag = $field->tag();
1222 my $tagvalue = $field->as_string();
1224 s/\[(.?.?.?.?)$tag\*(.*?)]/$1$tagvalue$2\[$1$tag$2]/g;
1225 unless ( $tag < 10 ) {
1226 my @subf = $field->subfields;
1227 for my $i ( 0 .. $#subf ) {
1228 my $subfieldcode = $subf[$i][0];
1229 my $subfieldvalue = $subf[$i][1];
1230 my $tagsubf = $tag . $subfieldcode;
1232 s/\[(.?.?.?.?)$tagsubf(.*?)]/$1$subfieldvalue$2\[$1$tagsubf$2]/g;
1237 $summary =~ s/\[(.*?)]//g;
1238 $summary =~ s/\n/<br\/>/g;
1239 $oldbiblio->{summary} = $summary;
1242 # Pull out the items fields
1243 my @fields = $marcrecord->field($itemtag);
1245 # Setting item statuses for display
1246 my @available_items_loop;
1247 my @onloan_items_loop;
1248 my @other_items_loop;
1250 my $available_items;
1254 my $ordered_count = 0;
1255 my $available_count = 0;
1256 my $onloan_count = 0;
1257 my $longoverdue_count = 0;
1258 my $other_count = 0;
1259 my $wthdrawn_count = 0;
1260 my $itemlost_count = 0;
1261 my $itembinding_count = 0;
1262 my $itemdamaged_count = 0;
1263 my $item_in_transit_count = 0;
1264 my $can_place_holds = 0;
1265 my $items_count = scalar(@fields);
1267 ( C4::Context->preference('maxItemsinSearchResults') )
1268 ? C4::Context->preference('maxItemsinSearchResults') - 1
1271 # loop through every item
1272 foreach my $field (@fields) {
1275 # populate the items hash
1276 foreach my $code ( keys %subfieldstosearch ) {
1277 $item->{$code} = $field->subfield( $subfieldstosearch{$code} );
1279 my $hbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'homebranch' : 'holdingbranch';
1280 my $otherbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'holdingbranch' : 'homebranch';
1281 # set item's branch name, use HomeOrHoldingBranch syspref first, fall back to the other one
1282 if ($item->{$hbranch}) {
1283 $item->{'branchname'} = $branches{$item->{$hbranch}};
1285 elsif ($item->{$otherbranch}) { # Last resort
1286 $item->{'branchname'} = $branches{$item->{$otherbranch}};
1289 my $prefix = $item->{$hbranch} . '--' . $item->{location} . $item->{itype} . $item->{itemcallnumber};
1290 # For each grouping of items (onloan, available, unavailable), we build a key to store relevant info about that item
1291 if ( $item->{onloan} ) {
1293 my $key = $prefix . $item->{onloan} . $item->{barcode};
1294 $onloan_items->{$key}->{due_date} = format_date($item->{onloan});
1295 $onloan_items->{$key}->{count}++ if $item->{$hbranch};
1296 $onloan_items->{$key}->{branchname} = $item->{branchname};
1297 $onloan_items->{$key}->{location} = $shelflocations->{ $item->{location} };
1298 $onloan_items->{$key}->{itemcallnumber} = $item->{itemcallnumber};
1299 $onloan_items->{$key}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1300 # if something's checked out and lost, mark it as 'long overdue'
1301 if ( $item->{itemlost} ) {
1302 $onloan_items->{$prefix}->{longoverdue}++;
1303 $longoverdue_count++;
1304 } else { # can place holds as long as item isn't lost
1305 $can_place_holds = 1;
1309 # items not on loan, but still unavailable ( lost, withdrawn, damaged )
1313 if ( $item->{notforloan} == -1 ) {
1317 # is item in transit?
1318 my $transfertwhen = '';
1319 my ($transfertfrom, $transfertto);
1321 unless ($item->{wthdrawn}
1322 || $item->{itemlost}
1324 || $item->{notforloan}
1325 || $items_count > 20) {
1327 # A couple heuristics to limit how many times
1328 # we query the database for item transfer information, sacrificing
1329 # accuracy in some cases for speed;
1331 # 1. don't query if item has one of the other statuses
1332 # 2. don't check transit status if the bib has
1333 # more than 20 items
1335 # FIXME: to avoid having the query the database like this, and to make
1336 # the in transit status count as unavailable for search limiting,
1337 # should map transit status to record indexed in Zebra.
1339 ($transfertwhen, $transfertfrom, $transfertto) = C4::Circulation::GetTransfers($item->{itemnumber});
1342 # item is withdrawn, lost or damaged
1343 if ( $item->{wthdrawn}
1344 || $item->{itemlost}
1346 || $item->{notforloan}
1347 || ($transfertwhen ne ''))
1349 $wthdrawn_count++ if $item->{wthdrawn};
1350 $itemlost_count++ if $item->{itemlost};
1351 $itemdamaged_count++ if $item->{damaged};
1352 $item_in_transit_count++ if $transfertwhen ne '';
1353 $item->{status} = $item->{wthdrawn} . "-" . $item->{itemlost} . "-" . $item->{damaged} . "-" . $item->{notforloan};
1356 my $key = $prefix . $item->{status};
1357 foreach (qw(wthdrawn itemlost damaged branchname itemcallnumber)) {
1358 $other_items->{$key}->{$_} = $item->{$_};
1360 $other_items->{$key}->{intransit} = ($transfertwhen ne '') ? 1 : 0;
1361 $other_items->{$key}->{notforloan} = GetAuthorisedValueDesc('','',$item->{notforloan},'','',$notforloan_authorised_value) if $notforloan_authorised_value;
1362 $other_items->{$key}->{count}++ if $item->{$hbranch};
1363 $other_items->{$key}->{location} = $shelflocations->{ $item->{location} };
1364 $other_items->{$key}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1368 $can_place_holds = 1;
1370 $available_items->{$prefix}->{count}++ if $item->{$hbranch};
1371 foreach (qw(branchname itemcallnumber)) {
1372 $available_items->{$prefix}->{$_} = $item->{$_};
1374 $available_items->{$prefix}->{location} = $shelflocations->{ $item->{location} };
1375 $available_items->{$prefix}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1378 } # notforloan, item level and biblioitem level
1379 my ( $availableitemscount, $onloanitemscount, $otheritemscount );
1381 ( C4::Context->preference('maxItemsinSearchResults') )
1382 ? C4::Context->preference('maxItemsinSearchResults') - 1
1384 for my $key ( sort keys %$onloan_items ) {
1385 (++$onloanitemscount > $maxitems) and last;
1386 push @onloan_items_loop, $onloan_items->{$key};
1388 for my $key ( sort keys %$other_items ) {
1389 (++$otheritemscount > $maxitems) and last;
1390 push @other_items_loop, $other_items->{$key};
1392 for my $key ( sort keys %$available_items ) {
1393 (++$availableitemscount > $maxitems) and last;
1394 push @available_items_loop, $available_items->{$key}
1397 # XSLT processing of some stuff
1398 if (C4::Context->preference("XSLTResultsDisplay") && !$scan) {
1399 $oldbiblio->{XSLTResultsRecord} = XSLTParse4Display(
1400 $oldbiblio->{biblionumber}, $marcrecord, 'Results' );
1403 # last check for norequest : if itemtype is notforloan, it can't be reserved either, whatever the items
1404 $can_place_holds = 0
1405 if $itemtypes{ $oldbiblio->{itemtype} }->{notforloan};
1406 $oldbiblio->{norequests} = 1 unless $can_place_holds;
1407 $oldbiblio->{itemsplural} = 1 if $items_count > 1;
1408 $oldbiblio->{items_count} = $items_count;
1409 $oldbiblio->{available_items_loop} = \@available_items_loop;
1410 $oldbiblio->{onloan_items_loop} = \@onloan_items_loop;
1411 $oldbiblio->{other_items_loop} = \@other_items_loop;
1412 $oldbiblio->{availablecount} = $available_count;
1413 $oldbiblio->{availableplural} = 1 if $available_count > 1;
1414 $oldbiblio->{onloancount} = $onloan_count;
1415 $oldbiblio->{onloanplural} = 1 if $onloan_count > 1;
1416 $oldbiblio->{othercount} = $other_count;
1417 $oldbiblio->{otherplural} = 1 if $other_count > 1;
1418 $oldbiblio->{wthdrawncount} = $wthdrawn_count;
1419 $oldbiblio->{itemlostcount} = $itemlost_count;
1420 $oldbiblio->{damagedcount} = $itemdamaged_count;
1421 $oldbiblio->{intransitcount} = $item_in_transit_count;
1422 $oldbiblio->{orderedcount} = $ordered_count;
1423 push( @newresults, $oldbiblio );
1428 #----------------------------------------------------------------------
1430 # Non-Zebra GetRecords#
1431 #----------------------------------------------------------------------
1435 NZgetRecords has the same API as zera getRecords, even if some parameters are not managed
1441 $query, $simple_query, $sort_by_ref, $servers_ref,
1442 $results_per_page, $offset, $expanded_facet, $branches,
1445 warn "query =$query" if $DEBUG;
1446 my $result = NZanalyse($query);
1447 warn "results =$result" if $DEBUG;
1449 NZorder( $result, @$sort_by_ref[0], $results_per_page, $offset ),
1455 NZanalyse : get a CQL string as parameter, and returns a list of biblionumber;title,biblionumber;title,...
1456 the list is built from an inverted index in the nozebra SQL table
1457 note that title is here only for convenience : the sorting will be very fast when requested on title
1458 if the sorting is requested on something else, we will have to reread all results, and that may be longer.
1463 my ( $string, $server ) = @_;
1464 # warn "---------" if $DEBUG;
1465 warn " NZanalyse" if $DEBUG;
1466 # warn "---------" if $DEBUG;
1468 # $server contains biblioserver or authorities, depending on what we search on.
1469 #warn "querying : $string on $server";
1470 $server = 'biblioserver' unless $server;
1472 # if we have a ", replace the content to discard temporarily any and/or/not inside
1474 if ( $string =~ /"/ ) {
1475 $string =~ s/"(.*?)"/__X__/;
1477 warn "commacontent : $commacontent" if $DEBUG;
1480 # split the query string in 3 parts : X AND Y means : $left="X", $operand="AND" and $right="Y"
1481 # then, call again NZanalyse with $left and $right
1482 # (recursive until we find a leaf (=> something without and/or/not)
1483 # delete repeated operator... Would then go in infinite loop
1484 while ( $string =~ s/( and| or| not| AND| OR| NOT)\1/$1/g ) {
1487 #process parenthesis before.
1488 if ( $string =~ /^\s*\((.*)\)(( and | or | not | AND | OR | NOT )(.*))?/ ) {
1491 my $operator = lc($3); # FIXME: and/or/not are operators, not operands
1493 "dealing w/parenthesis before recursive sub call. left :$left operator:$operator right:$right"
1495 my $leftresult = NZanalyse( $left, $server );
1497 my $rightresult = NZanalyse( $right, $server );
1499 # OK, we have the results for right and left part of the query
1500 # depending of operand, intersect, union or exclude both lists
1501 # to get a result list
1502 if ( $operator eq ' and ' ) {
1503 return NZoperatorAND($leftresult,$rightresult);
1505 elsif ( $operator eq ' or ' ) {
1507 # just merge the 2 strings
1508 return $leftresult . $rightresult;
1510 elsif ( $operator eq ' not ' ) {
1511 return NZoperatorNOT($leftresult,$rightresult);
1515 # this error is impossible, because of the regexp that isolate the operand, but just in case...
1519 warn "string :" . $string if $DEBUG;
1523 if ($string =~ /(.*?)( and | or | not | AND | OR | NOT )(.*)/) {
1526 $operator = lc($2); # FIXME: and/or/not are operators, not operands
1528 warn "no parenthesis. left : $left operator: $operator right: $right"
1531 # it's not a leaf, we have a and/or/not
1534 # reintroduce comma content if needed
1535 $right =~ s/__X__/"$commacontent"/ if $commacontent;
1536 $left =~ s/__X__/"$commacontent"/ if $commacontent;
1537 warn "node : $left / $operator / $right\n" if $DEBUG;
1538 my $leftresult = NZanalyse( $left, $server );
1539 my $rightresult = NZanalyse( $right, $server );
1540 warn " leftresult : $leftresult" if $DEBUG;
1541 warn " rightresult : $rightresult" if $DEBUG;
1542 # OK, we have the results for right and left part of the query
1543 # depending of operand, intersect, union or exclude both lists
1544 # to get a result list
1545 if ( $operator eq ' and ' ) {
1547 return NZoperatorAND($leftresult,$rightresult);
1549 elsif ( $operator eq ' or ' ) {
1551 # just merge the 2 strings
1552 return $leftresult . $rightresult;
1554 elsif ( $operator eq ' not ' ) {
1555 return NZoperatorNOT($leftresult,$rightresult);
1559 # this error is impossible, because of the regexp that isolate the operand, but just in case...
1560 die "error : operand unknown : $operator for $string";
1563 # it's a leaf, do the real SQL query and return the result
1566 $string =~ s/__X__/"$commacontent"/ if $commacontent;
1567 $string =~ s/-|\.|\?|,|;|!|'|\(|\)|\[|\]|{|}|"|&|\+|\*|\// /g;
1568 #remove trailing blank at the beginning
1570 warn "leaf:$string" if $DEBUG;
1572 # parse the string in in operator/operand/value again
1576 if ($string =~ /(.*)(>=|<=)(.*)/) {
1583 # warn "handling leaf... left:$left operator:$operator right:$right"
1585 unless ($operator) {
1586 if ($string =~ /(.*)(>|<|=)(.*)/) {
1591 "handling unless (operator)... left:$left operator:$operator right:$right"
1599 # strip adv, zebra keywords, currently not handled in nozebra: wrdl, ext, phr...
1602 # automatic replace for short operators
1603 $left = 'title' if $left =~ '^ti$';
1604 $left = 'author' if $left =~ '^au$';
1605 $left = 'publisher' if $left =~ '^pb$';
1606 $left = 'subject' if $left =~ '^su$';
1607 $left = 'koha-Auth-Number' if $left =~ '^an$';
1608 $left = 'keyword' if $left =~ '^kw$';
1609 $left = 'itemtype' if $left =~ '^mc$'; # Fix for Bug 2599 - Search limits not working for NoZebra
1610 warn "handling leaf... left:$left operator:$operator right:$right" if $DEBUG;
1611 my $dbh = C4::Context->dbh;
1612 if ( $operator && $left ne 'keyword' ) {
1613 #do a specific search
1614 $operator = 'LIKE' if $operator eq '=' and $right =~ /%/;
1615 my $sth = $dbh->prepare(
1616 "SELECT biblionumbers,value FROM nozebra WHERE server=? AND indexname=? AND value $operator ?"
1618 warn "$left / $operator / $right\n" if $DEBUG;
1620 # split each word, query the DB and build the biblionumbers result
1621 #sanitizing leftpart
1622 $left =~ s/^\s+|\s+$//;
1623 foreach ( split / /, $right ) {
1625 $_ =~ s/^\s+|\s+$//;
1627 warn "EXECUTE : $server, $left, $_" if $DEBUG;
1628 $sth->execute( $server, $left, $_ )
1629 or warn "execute failed: $!";
1630 while ( my ( $line, $value ) = $sth->fetchrow ) {
1632 # if we are dealing with a numeric value, use only numeric results (in case of >=, <=, > or <)
1633 # otherwise, fill the result
1634 $biblionumbers .= $line
1635 unless ( $right =~ /^\d+$/ && $value =~ /\D/ );
1636 warn "result : $value "
1637 . ( $right =~ /\d/ ) . "=="
1638 . ( $value =~ /\D/?$line:"" ) if $DEBUG; #= $line";
1641 # do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
1643 warn "NZAND" if $DEBUG;
1644 $results = NZoperatorAND($biblionumbers,$results);
1646 $results = $biblionumbers;
1651 #do a complete search (all indexes), if index='kw' do complete search too.
1652 my $sth = $dbh->prepare(
1653 "SELECT biblionumbers FROM nozebra WHERE server=? AND value LIKE ?"
1656 # split each word, query the DB and build the biblionumbers result
1657 foreach ( split / /, $string ) {
1658 next if C4::Context->stopwords->{ uc($_) }; # skip if stopword
1659 warn "search on all indexes on $_" if $DEBUG;
1662 $sth->execute( $server, $_ );
1663 while ( my $line = $sth->fetchrow ) {
1664 $biblionumbers .= $line;
1667 # do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
1669 $results = NZoperatorAND($biblionumbers,$results);
1672 warn "NEW RES for $_ = $biblionumbers" if $DEBUG;
1673 $results = $biblionumbers;
1677 warn "return : $results for LEAF : $string" if $DEBUG;
1680 warn "---------\nLeave NZanalyse\n---------" if $DEBUG;
1684 my ($rightresult, $leftresult)=@_;
1686 my @leftresult = split /;/, $leftresult;
1687 warn " @leftresult / $rightresult \n" if $DEBUG;
1689 # my @rightresult = split /;/,$leftresult;
1692 # parse the left results, and if the biblionumber exist in the right result, save it in finalresult
1693 # the result is stored twice, to have the same weight for AND than OR.
1694 # example : TWO : 61,61,64,121 (two is twice in the biblio #61) / TOWER : 61,64,130
1695 # result : 61,61,61,61,64,64 for two AND tower : 61 has more weight than 64
1696 foreach (@leftresult) {
1699 ( $value, $countvalue ) = ( $1, $2 ) if ($value=~/(.*)-(\d+)$/);
1700 if ( $rightresult =~ /\Q$value\E-(\d+);/ ) {
1701 $countvalue = ( $1 > $countvalue ? $countvalue : $1 );
1703 "$value-$countvalue;$value-$countvalue;";
1706 warn "NZAND DONE : $finalresult \n" if $DEBUG;
1707 return $finalresult;
1711 my ($rightresult, $leftresult)=@_;
1712 return $rightresult.$leftresult;
1716 my ($leftresult, $rightresult)=@_;
1718 my @leftresult = split /;/, $leftresult;
1720 # my @rightresult = split /;/,$leftresult;
1722 foreach (@leftresult) {
1724 $value=$1 if $value=~m/(.*)-\d+$/;
1725 unless ($rightresult =~ "$value-") {
1726 $finalresult .= "$_;";
1729 return $finalresult;
1734 $finalresult = NZorder($biblionumbers, $ordering,$results_per_page,$offset);
1741 my ( $biblionumbers, $ordering, $results_per_page, $offset ) = @_;
1742 warn "biblionumbers = $biblionumbers and ordering = $ordering\n" if $DEBUG;
1744 # order title asc by default
1745 # $ordering = '1=36 <i' unless $ordering;
1746 $results_per_page = 20 unless $results_per_page;
1747 $offset = 0 unless $offset;
1748 my $dbh = C4::Context->dbh;
1751 # order by POPULARITY
1753 if ( $ordering =~ /popularity/ ) {
1757 # popularity is not in MARC record, it's builded from a specific query
1759 $dbh->prepare("select sum(issues) from items where biblionumber=?");
1760 foreach ( split /;/, $biblionumbers ) {
1761 my ( $biblionumber, $title ) = split /,/, $_;
1762 $result{$biblionumber} = GetMarcBiblio($biblionumber);
1763 $sth->execute($biblionumber);
1764 my $popularity = $sth->fetchrow || 0;
1766 # hint : the key is popularity.title because we can have
1767 # many results with the same popularity. In this case, sub-ordering is done by title
1768 # we also have biblionumber to avoid bug for 2 biblios with the same title & popularity
1769 # (un-frequent, I agree, but we won't forget anything that way ;-)
1770 $popularity{ sprintf( "%10d", $popularity ) . $title
1771 . $biblionumber } = $biblionumber;
1774 # sort the hash and return the same structure as GetRecords (Zebra querying)
1777 if ( $ordering eq 'popularity_dsc' ) { # sort popularity DESC
1778 foreach my $key ( sort { $b cmp $a } ( keys %popularity ) ) {
1779 $result_hash->{'RECORDS'}[ $numbers++ ] =
1780 $result{ $popularity{$key} }->as_usmarc();
1783 else { # sort popularity ASC
1784 foreach my $key ( sort ( keys %popularity ) ) {
1785 $result_hash->{'RECORDS'}[ $numbers++ ] =
1786 $result{ $popularity{$key} }->as_usmarc();
1789 my $finalresult = ();
1790 $result_hash->{'hits'} = $numbers;
1791 $finalresult->{'biblioserver'} = $result_hash;
1792 return $finalresult;
1798 elsif ( $ordering =~ /author/ ) {
1800 foreach ( split /;/, $biblionumbers ) {
1801 my ( $biblionumber, $title ) = split /,/, $_;
1802 my $record = GetMarcBiblio($biblionumber);
1804 if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
1805 $author = $record->subfield( '200', 'f' );
1806 $author = $record->subfield( '700', 'a' ) unless $author;
1809 $author = $record->subfield( '100', 'a' );
1812 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1813 # and we don't want to get only 1 result for each of them !!!
1814 $result{ $author . $biblionumber } = $record;
1817 # sort the hash and return the same structure as GetRecords (Zebra querying)
1820 if ( $ordering eq 'author_za' ) { # sort by author desc
1821 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1822 $result_hash->{'RECORDS'}[ $numbers++ ] =
1823 $result{$key}->as_usmarc();
1826 else { # sort by author ASC
1827 foreach my $key ( sort ( keys %result ) ) {
1828 $result_hash->{'RECORDS'}[ $numbers++ ] =
1829 $result{$key}->as_usmarc();
1832 my $finalresult = ();
1833 $result_hash->{'hits'} = $numbers;
1834 $finalresult->{'biblioserver'} = $result_hash;
1835 return $finalresult;
1838 # ORDER BY callnumber
1841 elsif ( $ordering =~ /callnumber/ ) {
1843 foreach ( split /;/, $biblionumbers ) {
1844 my ( $biblionumber, $title ) = split /,/, $_;
1845 my $record = GetMarcBiblio($biblionumber);
1847 my $frameworkcode = GetFrameworkCode($biblionumber);
1848 my ( $callnumber_tag, $callnumber_subfield ) = GetMarcFromKohaField( 'items.itemcallnumber', $frameworkcode);
1849 ( $callnumber_tag, $callnumber_subfield ) = GetMarcFromKohaField('biblioitems.callnumber', $frameworkcode)
1850 unless $callnumber_tag;
1851 if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
1852 $callnumber = $record->subfield( '200', 'f' );
1854 $callnumber = $record->subfield( '100', 'a' );
1857 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1858 # and we don't want to get only 1 result for each of them !!!
1859 $result{ $callnumber . $biblionumber } = $record;
1862 # sort the hash and return the same structure as GetRecords (Zebra querying)
1865 if ( $ordering eq 'call_number_dsc' ) { # sort by title desc
1866 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1867 $result_hash->{'RECORDS'}[ $numbers++ ] =
1868 $result{$key}->as_usmarc();
1871 else { # sort by title ASC
1872 foreach my $key ( sort { $a cmp $b } ( keys %result ) ) {
1873 $result_hash->{'RECORDS'}[ $numbers++ ] =
1874 $result{$key}->as_usmarc();
1877 my $finalresult = ();
1878 $result_hash->{'hits'} = $numbers;
1879 $finalresult->{'biblioserver'} = $result_hash;
1880 return $finalresult;
1882 elsif ( $ordering =~ /pubdate/ ) { #pub year
1884 foreach ( split /;/, $biblionumbers ) {
1885 my ( $biblionumber, $title ) = split /,/, $_;
1886 my $record = GetMarcBiblio($biblionumber);
1887 my ( $publicationyear_tag, $publicationyear_subfield ) =
1888 GetMarcFromKohaField( 'biblioitems.publicationyear', '' );
1889 my $publicationyear =
1890 $record->subfield( $publicationyear_tag,
1891 $publicationyear_subfield );
1893 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1894 # and we don't want to get only 1 result for each of them !!!
1895 $result{ $publicationyear . $biblionumber } = $record;
1898 # sort the hash and return the same structure as GetRecords (Zebra querying)
1901 if ( $ordering eq 'pubdate_dsc' ) { # sort by pubyear desc
1902 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1903 $result_hash->{'RECORDS'}[ $numbers++ ] =
1904 $result{$key}->as_usmarc();
1907 else { # sort by pub year ASC
1908 foreach my $key ( sort ( keys %result ) ) {
1909 $result_hash->{'RECORDS'}[ $numbers++ ] =
1910 $result{$key}->as_usmarc();
1913 my $finalresult = ();
1914 $result_hash->{'hits'} = $numbers;
1915 $finalresult->{'biblioserver'} = $result_hash;
1916 return $finalresult;
1922 elsif ( $ordering =~ /title/ ) {
1924 # the title is in the biblionumbers string, so we just need to build a hash, sort it and return
1926 foreach ( split /;/, $biblionumbers ) {
1927 my ( $biblionumber, $title ) = split /,/, $_;
1929 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1930 # and we don't want to get only 1 result for each of them !!!
1931 # hint & speed improvement : we can order without reading the record
1932 # so order, and read records only for the requested page !
1933 $result{ $title . $biblionumber } = $biblionumber;
1936 # sort the hash and return the same structure as GetRecords (Zebra querying)
1939 if ( $ordering eq 'title_az' ) { # sort by title desc
1940 foreach my $key ( sort ( keys %result ) ) {
1941 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
1944 else { # sort by title ASC
1945 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1946 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
1950 # limit the $results_per_page to result size if it's more
1951 $results_per_page = $numbers - 1 if $numbers < $results_per_page;
1953 # for the requested page, replace biblionumber by the complete record
1954 # speed improvement : avoid reading too much things
1956 my $counter = $offset ;
1957 $counter <= $offset + $results_per_page ;
1961 $result_hash->{'RECORDS'}[$counter] =
1962 GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc;
1964 my $finalresult = ();
1965 $result_hash->{'hits'} = $numbers;
1966 $finalresult->{'biblioserver'} = $result_hash;
1967 return $finalresult;
1974 # we need 2 hashes to order by ranking : the 1st one to count the ranking, the 2nd to order by ranking
1977 foreach ( split /;/, $biblionumbers ) {
1978 my ( $biblionumber, $title ) = split /,/, $_;
1979 $title =~ /(.*)-(\d)/;
1984 # note that we + the ranking because ranking is calculated on weight of EACH term requested.
1985 # if we ask for "two towers", and "two" has weight 2 in biblio N, and "towers" has weight 4 in biblio N
1986 # biblio N has ranking = 6
1987 $count_ranking{$biblionumber} += $ranking;
1990 # build the result by "inverting" the count_ranking hash
1991 # hing : as usual, we don't order by ranking only, to avoid having only 1 result for each rank. We build an hash on concat(ranking,biblionumber) instead
1993 foreach ( keys %count_ranking ) {
1994 $result{ sprintf( "%10d", $count_ranking{$_} ) . '-' . $_ } = $_;
1997 # sort the hash and return the same structure as GetRecords (Zebra querying)
2000 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
2001 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
2004 # limit the $results_per_page to result size if it's more
2005 $results_per_page = $numbers - 1 if $numbers < $results_per_page;
2007 # for the requested page, replace biblionumber by the complete record
2008 # speed improvement : avoid reading too much things
2010 my $counter = $offset ;
2011 $counter <= $offset + $results_per_page ;
2015 $result_hash->{'RECORDS'}[$counter] =
2016 GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc
2017 if $result_hash->{'RECORDS'}[$counter];
2019 my $finalresult = ();
2020 $result_hash->{'hits'} = $numbers;
2021 $finalresult->{'biblioserver'} = $result_hash;
2022 return $finalresult;
2026 =head2 enabled_staff_search_views
2028 %hash = enabled_staff_search_views()
2030 This function returns a hash that contains three flags obtained from the system
2031 preferences, used to determine whether a particular staff search results view
2036 =item C<Output arg:>
2038 * $hash{can_view_MARC} is true only if the MARC view is enabled
2039 * $hash{can_view_ISBD} is true only if the ISBD view is enabled
2040 * $hash{can_view_labeledMARC} is true only if the Labeled MARC view is enabled
2042 =item C<usage in the script:>
2046 $template->param ( C4::Search::enabled_staff_search_views );
2050 sub enabled_staff_search_views
2053 can_view_MARC => C4::Context->preference('viewMARC'), # 1 if the staff search allows the MARC view
2054 can_view_ISBD => C4::Context->preference('viewISBD'), # 1 if the staff search allows the ISBD view
2055 can_view_labeledMARC => C4::Context->preference('viewLabeledMARC'), # 1 if the staff search allows the Labeled MARC view
2059 sub AddSearchHistory{
2060 my ($borrowernumber,$session,$query_desc,$query_cgi, $total)=@_;
2061 my $dbh = C4::Context->dbh;
2063 # Add the request the user just made
2064 my $sql = "INSERT INTO search_history(userid, sessionid, query_desc, query_cgi, total, time) VALUES(?, ?, ?, ?, ?, NOW())";
2065 my $sth = $dbh->prepare($sql);
2066 $sth->execute($borrowernumber, $session, $query_desc, $query_cgi, $total);
2067 return $dbh->last_insert_id(undef, 'search_history', undef,undef,undef);
2070 sub GetSearchHistory{
2071 my ($borrowernumber,$session)=@_;
2072 my $dbh = C4::Context->dbh;
2074 # Add the request the user just made
2075 my $query = "SELECT FROM search_history WHERE (userid=? OR sessionid=?)";
2076 my $sth = $dbh->prepare($query);
2077 $sth->execute($borrowernumber, $session);
2078 return $sth->fetchall_hashref({});
2081 =head2 z3950_search_args
2083 $arrayref = z3950_search_args($matchpoints)
2085 This function returns an array reference that contains the search parameters to be
2086 passed to the Z39.50 search script (z3950_search.pl). The array elements
2087 are hash refs whose keys are name, value and encvalue, and whose values are the
2088 name of a search parameter, the value of that search parameter and the URL encoded
2089 value of that parameter.
2091 The search parameter names are lccn, isbn, issn, title, author, dewey and subject.
2093 The search parameter values are obtained from the bibliographic record whose
2094 data is in a hash reference in $matchpoints, as returned by Biblio::GetBiblioData().
2096 If $matchpoints is a scalar, it is assumed to be an unnamed query descriptor, e.g.
2097 a general purpose search argument. In this case, the returned array contains only
2098 entry: the key is 'title' and the value and encvalue are derived from $matchpoints.
2100 If a search parameter value is undefined or empty, it is not included in the returned
2103 The returned array reference may be passed directly to the template parameters.
2107 =item C<Output arg:>
2109 * $array containing hash refs as described above
2111 =item C<usage in the script:>
2115 $data = Biblio::GetBiblioData($bibno);
2116 $template->param ( MYLOOP => C4::Search::z3950_search_args($data) )
2120 $template->param ( MYLOOP => C4::Search::z3950_search_args($searchscalar) )
2124 sub z3950_search_args {
2126 $bibrec = { title => $bibrec } if !ref $bibrec;
2128 for my $field (qw/ lccn isbn issn title author dewey subject /)
2130 my $encvalue = URI::Escape::uri_escape_utf8($bibrec->{$field});
2131 push @$array, { name=>$field, value=>$bibrec->{$field}, encvalue=>$encvalue } if defined $bibrec->{$field};
2136 =head2 GetDistinctValues($field);
2138 C<$field> is a reference to the fields array
2142 sub GetDistinctValues {
2143 my ($fieldname,$string)=@_;
2144 # returns a reference to a hash of references to branches...
2145 if ($fieldname=~/\./){
2146 my ($table,$column)=split /\./, $fieldname;
2147 my $dbh = C4::Context->dbh;
2148 warn "select DISTINCT($column) as value, count(*) as cnt from $table group by lib order by $column ";
2149 my $sth = $dbh->prepare("select DISTINCT($column) as value, count(*) as cnt from $table ".($string?" where $column like \"$string%\"":"")."group by value order by $column ");
2151 my $elements=$sth->fetchall_arrayref({});
2156 my @servers=qw<biblioserver authorityserver>;
2157 my (@zconns,@results);
2158 for ( my $i = 0 ; $i < @servers ; $i++ ) {
2159 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
2162 ZOOM::Query::CCL2RPN->new( qq"$fieldname $string", $zconns[$i])
2165 # The big moment: asynchronously retrieve results from all servers
2167 while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
2168 my $ev = $zconns[ $i - 1 ]->last_event();
2169 if ( $ev == ZOOM::Event::ZEND ) {
2170 next unless $results[ $i - 1 ];
2171 my $size = $results[ $i - 1 ]->size();
2173 for (my $j=0;$j<$size;$j++){
2175 @hashscan{qw(value cnt)}=$results[ $i - 1 ]->display_term($j);
2176 push @elements, \%hashscan;
2185 END { } # module clean-up code here (global destructor)
2192 Koha Developement team <info@koha.org>