1 package OpenILS::Application::Storage::Publisher::metabib;
2 use base qw/OpenILS::Application::Storage::Publisher/;
4 use OpenSRF::EX qw/:try/;
5 use OpenILS::Application::Storage::FTS;
6 use OpenILS::Utils::Fieldmapper;
7 use OpenSRF::Utils::Logger qw/:level/;
8 use OpenSRF::Utils::Cache;
10 use Digest::MD5 qw/md5_hex/;
13 my $log = 'OpenSRF::Utils::Logger';
17 # need to order record IDs by:
18 # 1) format - text, movie, sound, software, images, maps, mixed, music, 3d
19 # 2) proximity --- XXX Can't do it cheap...
21 sub ordered_records_from_metarecord {
30 my ($t, $f) = split '-', $formats;
31 @types = split '', $t;
32 @forms = split '', $f;
35 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
36 $copies_visible = '' if ($self->api_name =~ /staff/o);
38 my $sm_table = metabib::metarecord_source_map->table;
39 my $rd_table = metabib::record_descriptor->table;
40 my $cn_table = asset::call_number->table;
41 my $cl_table = asset::copy_location->table;
42 my $cp_table = asset::copy->table;
43 my $cs_table = config::copy_status->table;
44 my $out_table = actor::org_unit_type->table;
54 if ($copies_visible) {
56 sum((SELECT count(cp.id)
58 JOIN $cs_table cs ON (cp.status = cs.id)
59 JOIN $cl_table cl ON (cp.location = cl.id)
60 WHERE cn.id = cp.call_number
68 if ($copies_visible) {
73 WHERE rd.record = sm.source
74 AND cn.record = rd.record
81 WHERE rd.record = sm.source
87 GROUP BY rd.record, rd.item_type, rd.item_form
90 WHEN rd.item_type IS NULL -- default
92 WHEN rd.item_type = '' -- default
94 WHEN rd.item_type IN ('a','t') -- books
96 WHEN rd.item_type = 'g' -- movies
98 WHEN rd.item_type IN ('i','j') -- sound recordings
100 WHEN rd.item_type = 'm' -- software
102 WHEN rd.item_type = 'k' -- images
104 WHEN rd.item_type IN ('e','f') -- maps
106 WHEN rd.item_type IN ('o','p') -- mixed
108 WHEN rd.item_type IN ('c','d') -- music
110 WHEN rd.item_type = 'r' -- 3d
117 if ($copies_visible) {
118 $sql .= ' WHERE x.count > 0'
122 $sql .= ' AND x.item_type IN ('.join(',',map{'?'}@types).')';
126 $sql .= ' AND x.item_form IN ('.join(',',map{'?'}@forms).')';
129 my $sth = metabib::metarecord_source_map->db_Main->prepare_cached($sql);
130 $sth->execute("$mr", @types, @forms);
131 while ( my $row = $sth->fetchrow_arrayref ) {
132 $client->respond( $$row[0] );
137 __PACKAGE__->register_method(
138 api_name => 'open-ils.storage.ordered.metabib.metarecord.records',
139 method => 'ordered_records_from_metarecord',
144 __PACKAGE__->register_method(
145 api_name => 'open-ils.storage.ordered.metabib.metarecord.records.staff',
146 method => 'ordered_records_from_metarecord',
153 sub metarecord_copy_count {
159 my $sm_table = metabib::metarecord_source_map->table;
160 my $rd_table = metabib::record_descriptor->table;
161 my $cn_table = asset::call_number->table;
162 my $cp_table = asset::copy->table;
163 my $cl_table = asset::copy_location->table;
164 my $cs_table = config::copy_status->table;
165 my $out_table = actor::org_unit_type->table;
166 my $descendants = "actor.org_unit_descendants(u.id)";
167 my $ancestors = "actor.org_unit_ancestors(?)";
169 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
170 $copies_visible = '' if ($self->api_name =~ /staff/o);
173 my ($t_filter, $f_filter) = ('','');
176 my ($t, $f) = split '-', $args{format};
177 @types = split '', $t;
178 @forms = split '', $f;
180 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
184 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
194 JOIN $cn_table cn ON (cn.record = r.source)
195 JOIN $rd_table rd ON (cn.record = rd.record)
196 JOIN $cp_table cp ON (cn.id = cp.call_number)
197 JOIN $cs_table cs ON (cp.status = cs.id)
198 JOIN $cl_table cl ON (cp.location = cl.id)
199 JOIN $descendants a ON (cp.circ_lib = a.id)
200 WHERE r.metarecord = ?
209 JOIN $cn_table cn ON (cn.record = r.source)
210 JOIN $rd_table rd ON (cn.record = rd.record)
211 JOIN $cp_table cp ON (cn.id = cp.call_number)
212 JOIN $cs_table cs ON (cp.status = cs.id)
213 JOIN $cl_table cl ON (cp.location = cl.id)
214 JOIN $descendants a ON (cp.circ_lib = a.id)
215 WHERE r.metarecord = ?
224 JOIN $out_table t ON (u.ou_type = t.id)
228 my $sth = metabib::metarecord_source_map->db_Main->prepare_cached($sql);
229 $sth->execute( ''.$args{metarecord},
230 ''.$args{metarecord},
235 while ( my $row = $sth->fetchrow_hashref ) {
236 $client->respond( $row );
240 __PACKAGE__->register_method(
241 api_name => 'open-ils.storage.metabib.metarecord.copy_count',
242 method => 'metarecord_copy_count',
247 __PACKAGE__->register_method(
248 api_name => 'open-ils.storage.metabib.metarecord.copy_count.staff',
249 method => 'metarecord_copy_count',
255 sub multi_search_full_rec {
260 my $class_join = $args{class_join} || 'AND';
264 for my $arg (@{ $args{searches} }) {
265 my $term = $$arg{term};
266 my $limiters = $$arg{restrict};
268 my ($index_col) = metabib::full_rec->columns('FTS');
269 $index_col ||= 'value';
270 my $search_table = metabib::full_rec->table;
272 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
274 my $fts_where = $fts->sql_where_clause();
275 my @fts_ranks = $fts->fts_rank;
277 my $rank = join(' + ', @fts_ranks);
280 for my $limit (@$limiters) {
281 push @wheres, "( tag = ? AND subfield LIKE ? AND $fts_where )";
282 push @binds, $$limit{tag}, $$limit{subfield};
283 $log->debug("Limiting query using { tag => $$limit{tag}, subfield => $$limit{subfield} }", DEBUG);
285 my $where = join(' OR ', @wheres);
287 push @selects, "SELECT record, sum($rank) FROM $search_table WHERE $where GROUP BY 1 ORDER BY 2 DESC";
291 my $descendants = defined($args{depth}) ?
292 "actor.org_unit_descendants($args{org_unit}, $args{depth})" :
293 defined($args{depth}) ?
294 "actor.org_unit_descendants($args{org_unit})" :
298 my $metabib_record_descriptor = metabib::record_descriptor->table;
299 my $metabib_metarecord = metabib::metarecord->table;
300 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
301 my $asset_call_number_table = asset::call_number->table;
302 my $asset_copy_table = asset::copy->table;
303 my $cs_table = config::copy_status->table;
304 my $cl_table = asset::copy_location->table;
306 my $cj = ''; $cj = 'HAVING COUNT(x.record) > 1' if ($class_join eq 'AND');
307 my $search_table = '(SELECT x.record, sum(x.sum) FROM (('.join(') UNION ALL (', @selects).")) x GROUP BY 1 $cj )";
309 my $has_vols = 'AND cn.owning_lib = d.id';
310 my $has_copies = 'AND cp.call_number = cn.id';
311 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
313 if ($self->api_name =~ /staff/o) {
314 $copies_visible = '';
315 $has_copies = '' if ($ou_type == 0);
316 $has_vols = '' if ($ou_type == 0);
319 my ($t_filter, $f_filter) = ('','');
322 my ($t, $f) = split '-', $args{format};
323 my @types = split '', $t;
324 my @forms = split '', $f;
326 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
330 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
332 push @binds, @types, @forms;
336 if ($copies_visible) {
338 SELECT m.metarecord, sum(f.sum), count(DISTINCT cp.id), CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
339 FROM $search_table f,
340 $metabib_metarecord_source_map_table m,
341 $asset_call_number_table cn,
342 $asset_copy_table cp,
345 $metabib_record_descriptor rd,
347 WHERE m.source = f.record
348 AND cn.record = m.source
349 AND rd.record = m.source
350 AND cp.status = cs.id
351 AND cp.location = cl.id
357 GROUP BY m.metarecord HAVING count(DISTINCT cp.id) > 0
358 ORDER BY 2 DESC,3 DESC
362 SELECT m.metarecord, 1, 0, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
363 FROM $search_table f,
364 $metabib_metarecord_source_map_table m,
365 $metabib_record_descriptor rd
366 WHERE m.source = f.record
367 AND rd.record = m.source
375 $log->debug("Search SQL :: [$select]",DEBUG);
377 my $recs = metabib::full_rec->db_Main->selectall_arrayref("$select;", {}, @binds);
378 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
380 $client->respond($_) for (@$recs);
383 __PACKAGE__->register_method(
384 api_name => 'open-ils.storage.metabib.full_rec.multi_search',
385 method => 'multi_search_full_rec',
390 __PACKAGE__->register_method(
391 api_name => 'open-ils.storage.metabib.full_rec.multi_search.staff',
392 method => 'multi_search_full_rec',
398 sub search_full_rec {
404 my $term = $args{term};
405 my $limiters = $args{restrict};
407 my ($index_col) = metabib::full_rec->columns('FTS');
408 $index_col ||= 'value';
409 my $search_table = metabib::full_rec->table;
411 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
413 my $fts_where = $fts->sql_where_clause();
414 my @fts_ranks = $fts->fts_rank;
416 my $rank = join(' + ', @fts_ranks);
420 for my $limit (@$limiters) {
421 push @wheres, "( tag = ? AND subfield LIKE ? AND $fts_where )";
422 push @binds, $$limit{tag}, $$limit{subfield};
423 $log->debug("Limiting query using { tag => $$limit{tag}, subfield => $$limit{subfield} }", DEBUG);
425 my $where = join(' OR ', @wheres);
427 my $select = "SELECT record, sum($rank) FROM $search_table WHERE $where GROUP BY 1 ORDER BY 2 DESC;";
429 $log->debug("Search SQL :: [$select]",DEBUG);
431 my $recs = metabib::full_rec->db_Main->selectall_arrayref($select, {}, @binds);
432 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
434 $client->respond($_) for (@$recs);
437 __PACKAGE__->register_method(
438 api_name => 'open-ils.storage.direct.metabib.full_rec.search_fts.value',
439 method => 'search_full_rec',
444 __PACKAGE__->register_method(
445 api_name => 'open-ils.storage.direct.metabib.full_rec.search_fts.index_vector',
446 method => 'search_full_rec',
453 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
454 sub search_class_fts {
459 my $term = $args{term};
460 my $ou = $args{org_unit};
461 my $ou_type = $args{depth};
462 my $limit = $args{limit};
463 my $offset = $args{offset};
465 my $limit_clause = '';
466 my $offset_clause = '';
468 $limit_clause = "LIMIT $limit" if (defined $limit and int($limit) > 0);
469 $offset_clause = "OFFSET $offset" if (defined $offset and int($offset) > 0);
472 my ($t_filter, $f_filter) = ('','');
475 my ($t, $f) = split '-', $args{format};
476 @types = split '', $t;
477 @forms = split '', $f;
479 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
483 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
489 my $descendants = defined($ou_type) ?
490 "actor.org_unit_descendants($ou, $ou_type)" :
491 "actor.org_unit_descendants($ou)";
493 my $class = $self->{cdbi};
494 my $search_table = $class->table;
496 my $metabib_record_descriptor = metabib::record_descriptor->table;
497 my $metabib_metarecord = metabib::metarecord->table;
498 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
499 my $asset_call_number_table = asset::call_number->table;
500 my $asset_copy_table = asset::copy->table;
501 my $cs_table = config::copy_status->table;
502 my $cl_table = asset::copy_location->table;
504 my ($index_col) = $class->columns('FTS');
505 $index_col ||= 'value';
507 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'f.value', "f.$index_col");
509 my $fts_where = $fts->sql_where_clause;
510 my @fts_ranks = $fts->fts_rank;
512 my $rank = join(' + ', @fts_ranks);
514 my $has_vols = 'AND cn.owning_lib = d.id';
515 my $has_copies = 'AND cp.call_number = cn.id';
516 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
518 my $visible_count = ', count(DISTINCT cp.id)';
519 my $visible_count_test = 'HAVING count(DISTINCT cp.id) > 0';
521 if ($self->api_name =~ /staff/o) {
522 $copies_visible = '';
523 $visible_count_test = '';
524 $has_copies = '' if ($ou_type == 0);
525 $has_vols = '' if ($ou_type == 0);
528 my $rank_calc = <<" RANK";
530 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
531 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
532 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
533 )/COUNT(m.source)), MIN(COALESCE(CHAR_LENGTH(f.value),1))
536 $rank_calc = ',1 , 1' if ($self->api_name =~ /unordered/o);
538 if ($copies_visible) {
540 SELECT m.metarecord $rank_calc $visible_count, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
541 FROM $search_table f,
542 $metabib_metarecord_source_map_table m,
543 $asset_call_number_table cn,
544 $asset_copy_table cp,
547 $metabib_record_descriptor rd,
550 AND m.source = f.source
551 AND cn.record = m.source
552 AND rd.record = m.source
553 AND cp.status = cs.id
554 AND cp.location = cl.id
560 GROUP BY 1 $visible_count_test
562 $limit_clause $offset_clause
566 SELECT m.metarecord $rank_calc, 0, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
567 FROM $search_table f,
568 $metabib_metarecord_source_map_table m,
569 $metabib_record_descriptor rd
571 AND m.source = f.source
572 AND rd.record = m.source
577 $limit_clause $offset_clause
581 $log->debug("Field Search SQL :: [$select]",DEBUG);
583 my $SQLstring = join('%',$fts->words);
584 my $REstring = join('\\s+',$fts->words);
585 my $first_word = ($fts->words)[0].'%';
586 my $recs = ($self->api_name =~ /unordered/o) ?
587 $class->db_Main->selectall_arrayref($select, {}, @types, @forms) :
588 $class->db_Main->selectall_arrayref($select, {},
589 '%'.lc($SQLstring).'%', # phrase order match
590 lc($first_word), # first word match
591 '^\\s*'.lc($REstring).'\\s*/?\s*$', # full exact match
595 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
597 $client->respond($_) for (map { [@$_[0,1,3,4]] } @$recs);
601 for my $class ( qw/title author subject keyword series/ ) {
602 __PACKAGE__->register_method(
603 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord",
604 method => 'search_class_fts',
607 cdbi => "metabib::${class}_field_entry",
610 __PACKAGE__->register_method(
611 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.unordered",
612 method => 'search_class_fts',
615 cdbi => "metabib::${class}_field_entry",
618 __PACKAGE__->register_method(
619 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.staff",
620 method => 'search_class_fts',
623 cdbi => "metabib::${class}_field_entry",
626 __PACKAGE__->register_method(
627 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.staff.unordered",
628 method => 'search_class_fts',
631 cdbi => "metabib::${class}_field_entry",
636 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
637 sub search_class_fts_count {
642 my $term = $args{term};
643 my $ou = $args{org_unit};
644 my $ou_type = $args{depth};
645 my $limit = $args{limit} || 100;
646 my $offset = $args{offset} || 0;
648 my $descendants = defined($ou_type) ?
649 "actor.org_unit_descendants($ou, $ou_type)" :
650 "actor.org_unit_descendants($ou)";
653 my ($t_filter, $f_filter) = ('','');
656 my ($t, $f) = split '-', $args{format};
657 @types = split '', $t;
658 @forms = split '', $f;
660 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
664 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
669 (my $search_class = $self->api_name) =~ s/.*metabib.(\w+).search_fts.*/$1/o;
671 my $class = $self->{cdbi};
672 my $search_table = $class->table;
674 my $metabib_record_descriptor = metabib::record_descriptor->table;
675 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
676 my $asset_call_number_table = asset::call_number->table;
677 my $asset_copy_table = asset::copy->table;
678 my $cs_table = config::copy_status->table;
679 my $cl_table = asset::copy_location->table;
681 my ($index_col) = $class->columns('FTS');
682 $index_col ||= 'value';
684 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
686 my $fts_where = $fts->sql_where_clause;
688 my $has_vols = 'AND cn.owning_lib = d.id';
689 my $has_copies = 'AND cp.call_number = cn.id';
690 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
691 if ($self->api_name =~ /staff/o) {
692 $copies_visible = '';
693 $has_vols = '' if ($ou_type == 0);
694 $has_copies = '' if ($ou_type == 0);
697 # XXX test an "EXISTS version of descendant checking...
699 if ($copies_visible) {
701 SELECT count(distinct m.metarecord)
702 FROM $search_table f,
703 $metabib_metarecord_source_map_table m,
704 $asset_call_number_table cn,
705 $asset_copy_table cp,
708 $metabib_record_descriptor rd,
711 AND m.source = f.source
712 AND cn.record = m.source
713 AND rd.record = m.source
714 AND cp.status = cs.id
715 AND cp.location = cl.id
724 SELECT count(distinct m.metarecord)
725 FROM $search_table f,
726 $metabib_metarecord_source_map_table m,
727 $metabib_record_descriptor rd
729 AND m.source = f.source
730 AND rd.record = m.source
736 $log->debug("Field Search Count SQL :: [$select]",DEBUG);
738 my $recs = $class->db_Main->selectrow_arrayref($select, {}, @types, @forms)->[0];
740 $log->debug("Count Search yielded $recs results.",DEBUG);
745 for my $class ( qw/title author subject keyword series/ ) {
746 __PACKAGE__->register_method(
747 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord_count",
748 method => 'search_class_fts_count',
751 cdbi => "metabib::${class}_field_entry",
754 __PACKAGE__->register_method(
755 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord_count.staff",
756 method => 'search_class_fts_count',
759 cdbi => "metabib::${class}_field_entry",
768 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
769 sub new_search_class_fts {
774 my $term = $args{term};
775 my $ou = $args{org_unit};
776 my $ou_type = $args{depth};
777 my $limit = $args{limit};
778 my $offset = $args{offset} || 0;
780 my $limit_clause = '';
781 my $offset_clause = '';
783 $limit_clause = "LIMIT $limit" if (defined $limit and int($limit) > 0);
784 $offset_clause = "OFFSET $offset" if (defined $offset and int($offset) > 0);
787 my ($t_filter, $f_filter) = ('','');
790 my ($t, $f) = split '-', $args{format};
791 @types = split '', $t;
792 @forms = split '', $f;
794 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
798 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
804 my $descendants = defined($ou_type) ?
805 "actor.org_unit_descendants($ou, $ou_type)" :
806 "actor.org_unit_descendants($ou)";
808 my $class = $self->{cdbi};
809 my $search_table = $class->table;
811 my $metabib_record_descriptor = metabib::record_descriptor->table;
812 my $metabib_metarecord = metabib::metarecord->table;
813 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
814 my $asset_call_number_table = asset::call_number->table;
815 my $asset_copy_table = asset::copy->table;
816 my $cs_table = config::copy_status->table;
817 my $cl_table = asset::copy_location->table;
819 my ($index_col) = $class->columns('FTS');
820 $index_col ||= 'value';
822 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'f.value', "f.$index_col");
824 my $fts_where = $fts->sql_where_clause;
825 my @fts_ranks = $fts->fts_rank;
827 my $rank = join(' + ', @fts_ranks);
829 if ($self->api_name !~ /staff/o) {
833 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
834 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
835 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
837 CASE WHEN COUNT(DISTINCT rd.record) = 1 THEN MIN(m.source) ELSE 0 END
838 FROM $search_table f,
839 $metabib_metarecord_source_map_table m,
840 $metabib_metarecord_source_map_table mr,
841 $metabib_record_descriptor rd
843 AND m.source = f.source
844 AND mr.metarecord = m.metarecord
845 AND rd.record = mr.source
850 FROM $asset_call_number_table cn,
851 $asset_copy_table cp,
855 WHERE cn.record = mr.source
856 AND cp.status = cs.id
857 AND cp.location = cl.id
858 AND cn.owning_lib = d.id
859 AND cp.call_number = cn.id
860 AND cp.opac_visible IS TRUE
861 AND cs.holdable IS TRUE
862 AND cl.opac_visible IS TRUE )
863 GROUP BY m.metarecord
864 ORDER BY 2 DESC, MIN(COALESCE(CHAR_LENGTH(f.value),1))
870 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
871 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
872 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
874 CASE WHEN COUNT(DISTINCT rd.record) = 1 THEN MIN(m.source) ELSE 0 END
875 FROM $search_table f,
876 $metabib_metarecord_source_map_table m,
877 $metabib_metarecord_source_map_table mr,
878 $metabib_record_descriptor rd
880 AND m.source = f.source
881 AND m.metarecord = mr.metarecord
882 AND rd.record = m.source
885 GROUP BY m.metarecord
886 ORDER BY 2 DESC, MIN(COALESCE(CHAR_LENGTH(f.value),1))
890 $log->debug("Field Search SQL :: [$select]",DEBUG);
892 my $SQLstring = join('%',$fts->words);
893 my $REstring = join('\\s+',$fts->words);
894 my $first_word = ($fts->words)[0].'%';
895 my $recs = ($self->api_name =~ /unordered/o) ?
896 $class->db_Main->selectall_arrayref($select, {}, @types, @forms) :
897 $class->db_Main->selectall_arrayref($select, {},
898 '%'.lc($SQLstring).'%', # phrase order match
899 lc($first_word), # first word match
900 '^\\s*'.lc($REstring).'\\s*/?\s*$', # full exact match
904 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
906 my $count = scalar(@$recs);
907 for my $rec (@$recs[$offset .. $offset + $limit - 1]) {
908 my ($mrid,$rank,$skip) = @$rec;
909 $client->respond( [$mrid, sprintf('%0.3f',$rank), $skip, $count] );
914 for my $class ( qw/title author subject keyword series/ ) {
915 __PACKAGE__->register_method(
916 api_name => "open-ils.storage.metabib.$class.new_search_fts.metarecord",
917 method => 'new_search_class_fts',
920 cdbi => "metabib::${class}_field_entry",
923 __PACKAGE__->register_method(
924 api_name => "open-ils.storage.metabib.$class.new_search_fts.metarecord.staff",
925 method => 'new_search_class_fts',
928 cdbi => "metabib::${class}_field_entry",
934 my $_cdbi = { title => "metabib::title_field_entry",
935 author => "metabib::author_field_entry",
936 subject => "metabib::subject_field_entry",
937 keyword => "metabib::keyword_field_entry",
938 series => "metabib::series_field_entry",