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},
232 ''.$args{metarecord},
238 while ( my $row = $sth->fetchrow_hashref ) {
239 $client->respond( $row );
243 __PACKAGE__->register_method(
244 api_name => 'open-ils.storage.metabib.metarecord.copy_count',
245 method => 'metarecord_copy_count',
250 __PACKAGE__->register_method(
251 api_name => 'open-ils.storage.metabib.metarecord.copy_count.staff',
252 method => 'metarecord_copy_count',
258 sub multi_search_full_rec {
263 my $class_join = $args{class_join} || 'AND';
267 for my $arg (@{ $args{searches} }) {
268 my $term = $$arg{term};
269 my $limiters = $$arg{restrict};
271 my ($index_col) = metabib::full_rec->columns('FTS');
272 $index_col ||= 'value';
273 my $search_table = metabib::full_rec->table;
275 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
277 my $fts_where = $fts->sql_where_clause();
278 my @fts_ranks = $fts->fts_rank;
280 my $rank = join(' + ', @fts_ranks);
283 for my $limit (@$limiters) {
284 push @wheres, "( tag = ? AND subfield LIKE ? AND $fts_where )";
285 push @binds, $$limit{tag}, $$limit{subfield};
286 $log->debug("Limiting query using { tag => $$limit{tag}, subfield => $$limit{subfield} }", DEBUG);
288 my $where = join(' OR ', @wheres);
290 push @selects, "SELECT record, sum($rank) FROM $search_table WHERE $where GROUP BY 1 ORDER BY 2 DESC";
294 my $descendants = defined($args{depth}) ?
295 "actor.org_unit_descendants($args{org_unit}, $args{depth})" :
296 defined($args{depth}) ?
297 "actor.org_unit_descendants($args{org_unit})" :
301 my $metabib_record_descriptor = metabib::record_descriptor->table;
302 my $metabib_metarecord = metabib::metarecord->table;
303 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
304 my $asset_call_number_table = asset::call_number->table;
305 my $asset_copy_table = asset::copy->table;
306 my $cs_table = config::copy_status->table;
307 my $cl_table = asset::copy_location->table;
309 my $cj = ''; $cj = 'HAVING COUNT(x.record) > 1' if ($class_join eq 'AND');
310 my $search_table = '(SELECT x.record, sum(x.sum) FROM (('.join(') UNION ALL (', @selects).")) x GROUP BY 1 $cj )";
312 my $has_vols = 'AND cn.owning_lib = d.id';
313 my $has_copies = 'AND cp.call_number = cn.id';
314 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
316 if ($self->api_name =~ /staff/o) {
317 $copies_visible = '';
318 $has_copies = '' if ($ou_type == 0);
319 $has_vols = '' if ($ou_type == 0);
322 my ($t_filter, $f_filter) = ('','');
325 my ($t, $f) = split '-', $args{format};
326 my @types = split '', $t;
327 my @forms = split '', $f;
329 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
333 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
335 push @binds, @types, @forms;
339 if ($copies_visible) {
341 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
342 FROM $search_table f,
343 $metabib_metarecord_source_map_table m,
344 $asset_call_number_table cn,
345 $asset_copy_table cp,
348 $metabib_record_descriptor rd,
350 WHERE m.source = f.record
351 AND cn.record = m.source
352 AND rd.record = m.source
353 AND cp.status = cs.id
354 AND cp.location = cl.id
360 GROUP BY m.metarecord HAVING count(DISTINCT cp.id) > 0
361 ORDER BY 2 DESC,3 DESC
365 SELECT m.metarecord, 1, 0, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
366 FROM $search_table f,
367 $metabib_metarecord_source_map_table m,
368 $metabib_record_descriptor rd
369 WHERE m.source = f.record
370 AND rd.record = m.source
378 $log->debug("Search SQL :: [$select]",DEBUG);
380 my $recs = metabib::full_rec->db_Main->selectall_arrayref("$select;", {}, @binds);
381 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
383 $client->respond($_) for (@$recs);
386 __PACKAGE__->register_method(
387 api_name => 'open-ils.storage.metabib.full_rec.multi_search',
388 method => 'multi_search_full_rec',
393 __PACKAGE__->register_method(
394 api_name => 'open-ils.storage.metabib.full_rec.multi_search.staff',
395 method => 'multi_search_full_rec',
401 sub search_full_rec {
407 my $term = $args{term};
408 my $limiters = $args{restrict};
410 my ($index_col) = metabib::full_rec->columns('FTS');
411 $index_col ||= 'value';
412 my $search_table = metabib::full_rec->table;
414 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
416 my $fts_where = $fts->sql_where_clause();
417 my @fts_ranks = $fts->fts_rank;
419 my $rank = join(' + ', @fts_ranks);
423 for my $limit (@$limiters) {
424 push @wheres, "( tag = ? AND subfield LIKE ? AND $fts_where )";
425 push @binds, $$limit{tag}, $$limit{subfield};
426 $log->debug("Limiting query using { tag => $$limit{tag}, subfield => $$limit{subfield} }", DEBUG);
428 my $where = join(' OR ', @wheres);
430 my $select = "SELECT record, sum($rank) FROM $search_table WHERE $where GROUP BY 1 ORDER BY 2 DESC;";
432 $log->debug("Search SQL :: [$select]",DEBUG);
434 my $recs = metabib::full_rec->db_Main->selectall_arrayref($select, {}, @binds);
435 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
437 $client->respond($_) for (@$recs);
440 __PACKAGE__->register_method(
441 api_name => 'open-ils.storage.direct.metabib.full_rec.search_fts.value',
442 method => 'search_full_rec',
447 __PACKAGE__->register_method(
448 api_name => 'open-ils.storage.direct.metabib.full_rec.search_fts.index_vector',
449 method => 'search_full_rec',
456 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
457 sub search_class_fts {
462 my $term = $args{term};
463 my $ou = $args{org_unit};
464 my $ou_type = $args{depth};
465 my $limit = $args{limit};
466 my $offset = $args{offset};
468 my $limit_clause = '';
469 my $offset_clause = '';
471 $limit_clause = "LIMIT $limit" if (defined $limit and int($limit) > 0);
472 $offset_clause = "OFFSET $offset" if (defined $offset and int($offset) > 0);
475 my ($t_filter, $f_filter) = ('','');
478 my ($t, $f) = split '-', $args{format};
479 @types = split '', $t;
480 @forms = split '', $f;
482 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
486 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
492 my $descendants = defined($ou_type) ?
493 "actor.org_unit_descendants($ou, $ou_type)" :
494 "actor.org_unit_descendants($ou)";
496 my $class = $self->{cdbi};
497 my $search_table = $class->table;
499 my $metabib_record_descriptor = metabib::record_descriptor->table;
500 my $metabib_metarecord = metabib::metarecord->table;
501 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
502 my $asset_call_number_table = asset::call_number->table;
503 my $asset_copy_table = asset::copy->table;
504 my $cs_table = config::copy_status->table;
505 my $cl_table = asset::copy_location->table;
507 my ($index_col) = $class->columns('FTS');
508 $index_col ||= 'value';
510 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'f.value', "f.$index_col");
512 my $fts_where = $fts->sql_where_clause;
513 my @fts_ranks = $fts->fts_rank;
515 my $rank = join(' + ', @fts_ranks);
517 my $has_vols = 'AND cn.owning_lib = d.id';
518 my $has_copies = 'AND cp.call_number = cn.id';
519 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
521 my $visible_count = ', count(DISTINCT cp.id)';
522 my $visible_count_test = 'HAVING count(DISTINCT cp.id) > 0';
524 if ($self->api_name =~ /staff/o) {
525 $copies_visible = '';
526 $visible_count_test = '';
527 $has_copies = '' if ($ou_type == 0);
528 $has_vols = '' if ($ou_type == 0);
531 my $rank_calc = <<" RANK";
533 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
534 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
535 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
536 )/COUNT(m.source)), MIN(COALESCE(CHAR_LENGTH(f.value),1))
539 $rank_calc = ',1 , 1' if ($self->api_name =~ /unordered/o);
541 if ($copies_visible) {
543 SELECT m.metarecord $rank_calc $visible_count, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
544 FROM $search_table f,
545 $metabib_metarecord_source_map_table m,
546 $asset_call_number_table cn,
547 $asset_copy_table cp,
550 $metabib_record_descriptor rd,
553 AND m.source = f.source
554 AND cn.record = m.source
555 AND rd.record = m.source
556 AND cp.status = cs.id
557 AND cp.location = cl.id
563 GROUP BY 1 $visible_count_test
565 $limit_clause $offset_clause
569 SELECT m.metarecord $rank_calc, 0, CASE WHEN COUNT(DISTINCT m.source) = 1 THEN MAX(m.source) ELSE MAX(0) END
570 FROM $search_table f,
571 $metabib_metarecord_source_map_table m,
572 $metabib_record_descriptor rd
574 AND m.source = f.source
575 AND rd.record = m.source
580 $limit_clause $offset_clause
584 $log->debug("Field Search SQL :: [$select]",DEBUG);
586 my $SQLstring = join('%',$fts->words);
587 my $REstring = join('\\s+',$fts->words);
588 my $first_word = ($fts->words)[0].'%';
589 my $recs = ($self->api_name =~ /unordered/o) ?
590 $class->db_Main->selectall_arrayref($select, {}, @types, @forms) :
591 $class->db_Main->selectall_arrayref($select, {},
592 '%'.lc($SQLstring).'%', # phrase order match
593 lc($first_word), # first word match
594 '^\\s*'.lc($REstring).'\\s*/?\s*$', # full exact match
598 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
600 $client->respond($_) for (map { [@$_[0,1,3,4]] } @$recs);
604 for my $class ( qw/title author subject keyword series/ ) {
605 __PACKAGE__->register_method(
606 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord",
607 method => 'search_class_fts',
610 cdbi => "metabib::${class}_field_entry",
613 __PACKAGE__->register_method(
614 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.unordered",
615 method => 'search_class_fts',
618 cdbi => "metabib::${class}_field_entry",
621 __PACKAGE__->register_method(
622 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.staff",
623 method => 'search_class_fts',
626 cdbi => "metabib::${class}_field_entry",
629 __PACKAGE__->register_method(
630 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord.staff.unordered",
631 method => 'search_class_fts',
634 cdbi => "metabib::${class}_field_entry",
639 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
640 sub search_class_fts_count {
645 my $term = $args{term};
646 my $ou = $args{org_unit};
647 my $ou_type = $args{depth};
648 my $limit = $args{limit} || 100;
649 my $offset = $args{offset} || 0;
651 my $descendants = defined($ou_type) ?
652 "actor.org_unit_descendants($ou, $ou_type)" :
653 "actor.org_unit_descendants($ou)";
656 my ($t_filter, $f_filter) = ('','');
659 my ($t, $f) = split '-', $args{format};
660 @types = split '', $t;
661 @forms = split '', $f;
663 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
667 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
672 (my $search_class = $self->api_name) =~ s/.*metabib.(\w+).search_fts.*/$1/o;
674 my $class = $self->{cdbi};
675 my $search_table = $class->table;
677 my $metabib_record_descriptor = metabib::record_descriptor->table;
678 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
679 my $asset_call_number_table = asset::call_number->table;
680 my $asset_copy_table = asset::copy->table;
681 my $cs_table = config::copy_status->table;
682 my $cl_table = asset::copy_location->table;
684 my ($index_col) = $class->columns('FTS');
685 $index_col ||= 'value';
687 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'value',"$index_col");
689 my $fts_where = $fts->sql_where_clause;
691 my $has_vols = 'AND cn.owning_lib = d.id';
692 my $has_copies = 'AND cp.call_number = cn.id';
693 my $copies_visible = 'AND cp.opac_visible IS TRUE AND cs.holdable IS TRUE AND cl.opac_visible IS TRUE';
694 if ($self->api_name =~ /staff/o) {
695 $copies_visible = '';
696 $has_vols = '' if ($ou_type == 0);
697 $has_copies = '' if ($ou_type == 0);
700 # XXX test an "EXISTS version of descendant checking...
702 if ($copies_visible) {
704 SELECT count(distinct m.metarecord)
705 FROM $search_table f,
706 $metabib_metarecord_source_map_table m,
707 $asset_call_number_table cn,
708 $asset_copy_table cp,
711 $metabib_record_descriptor rd,
714 AND m.source = f.source
715 AND cn.record = m.source
716 AND rd.record = m.source
717 AND cp.status = cs.id
718 AND cp.location = cl.id
727 SELECT count(distinct m.metarecord)
728 FROM $search_table f,
729 $metabib_metarecord_source_map_table m,
730 $metabib_record_descriptor rd
732 AND m.source = f.source
733 AND rd.record = m.source
739 $log->debug("Field Search Count SQL :: [$select]",DEBUG);
741 my $recs = $class->db_Main->selectrow_arrayref($select, {}, @types, @forms)->[0];
743 $log->debug("Count Search yielded $recs results.",DEBUG);
748 for my $class ( qw/title author subject keyword series/ ) {
749 __PACKAGE__->register_method(
750 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord_count",
751 method => 'search_class_fts_count',
754 cdbi => "metabib::${class}_field_entry",
757 __PACKAGE__->register_method(
758 api_name => "open-ils.storage.metabib.$class.search_fts.metarecord_count.staff",
759 method => 'search_class_fts_count',
762 cdbi => "metabib::${class}_field_entry",
771 # XXX factored most of the PG dependant stuff out of here... need to find a way to do "dependants".
772 sub new_search_class_fts {
777 my $term = $args{term};
778 my $ou = $args{org_unit};
779 my $ou_type = $args{depth};
780 my $limit = $args{limit};
781 my $offset = $args{offset} || 0;
783 my $limit_clause = '';
784 my $offset_clause = '';
786 $limit_clause = "LIMIT $limit" if (defined $limit and int($limit) > 0);
787 $offset_clause = "OFFSET $offset" if (defined $offset and int($offset) > 0);
790 my ($t_filter, $f_filter) = ('','');
793 my ($t, $f) = split '-', $args{format};
794 @types = split '', $t;
795 @forms = split '', $f;
797 $t_filter = ' AND rd.item_type IN ('.join(',',map{'?'}@types).')';
801 $f_filter .= ' AND rd.item_form IN ('.join(',',map{'?'}@forms).')';
807 my $descendants = defined($ou_type) ?
808 "actor.org_unit_descendants($ou, $ou_type)" :
809 "actor.org_unit_descendants($ou)";
811 my $class = $self->{cdbi};
812 my $search_table = $class->table;
814 my $metabib_record_descriptor = metabib::record_descriptor->table;
815 my $metabib_metarecord = metabib::metarecord->table;
816 my $metabib_metarecord_source_map_table = metabib::metarecord_source_map->table;
817 my $asset_call_number_table = asset::call_number->table;
818 my $asset_copy_table = asset::copy->table;
819 my $cs_table = config::copy_status->table;
820 my $cl_table = asset::copy_location->table;
822 my ($index_col) = $class->columns('FTS');
823 $index_col ||= 'value';
825 my $fts = OpenILS::Application::Storage::FTS->compile($term, 'f.value', "f.$index_col");
827 my $fts_where = $fts->sql_where_clause;
828 my @fts_ranks = $fts->fts_rank;
830 my $rank = join(' + ', @fts_ranks);
832 if ($self->api_name !~ /staff/o) {
836 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
837 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
838 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
840 CASE WHEN COUNT(DISTINCT rd.record) = 1 THEN MIN(m.source) ELSE 0 END
841 FROM $search_table f,
842 $metabib_metarecord_source_map_table m,
843 $metabib_metarecord_source_map_table mr,
844 $metabib_record_descriptor rd
846 AND m.source = f.source
847 AND mr.metarecord = m.metarecord
848 AND rd.record = mr.source
853 FROM $asset_call_number_table cn,
854 $asset_copy_table cp,
858 WHERE cn.record = mr.source
859 AND cp.status = cs.id
860 AND cp.location = cl.id
861 AND cn.owning_lib = d.id
862 AND cp.call_number = cn.id
863 AND cp.opac_visible IS TRUE
864 AND cs.holdable IS TRUE
865 AND cl.opac_visible IS TRUE )
866 GROUP BY m.metarecord
867 ORDER BY 2 DESC, MIN(COALESCE(CHAR_LENGTH(f.value),1))
873 * CASE WHEN f.value ILIKE ? THEN 1.2 ELSE 1 END -- phrase order
874 * CASE WHEN f.value ILIKE ? THEN 1.5 ELSE 1 END -- first word match
875 * CASE WHEN f.value ~* ? THEN 2 ELSE 1 END -- only word match
877 CASE WHEN COUNT(DISTINCT rd.record) = 1 THEN MIN(m.source) ELSE 0 END
878 FROM $search_table f,
879 $metabib_metarecord_source_map_table m,
880 $metabib_metarecord_source_map_table mr,
881 $metabib_record_descriptor rd
883 AND m.source = f.source
884 AND m.metarecord = mr.metarecord
885 AND rd.record = m.source
888 GROUP BY m.metarecord
889 ORDER BY 2 DESC, MIN(COALESCE(CHAR_LENGTH(f.value),1))
893 $log->debug("Field Search SQL :: [$select]",DEBUG);
895 my $SQLstring = join('%',$fts->words);
896 my $REstring = join('\\s+',$fts->words);
897 my $first_word = ($fts->words)[0].'%';
898 my $recs = ($self->api_name =~ /unordered/o) ?
899 $class->db_Main->selectall_arrayref($select, {}, @types, @forms) :
900 $class->db_Main->selectall_arrayref($select, {},
901 '%'.lc($SQLstring).'%', # phrase order match
902 lc($first_word), # first word match
903 '^\\s*'.lc($REstring).'\\s*/?\s*$', # full exact match
907 $log->debug("Search yielded ".scalar(@$recs)." results.",DEBUG);
909 my $count = scalar(@$recs);
910 for my $rec (@$recs[$offset .. $offset + $limit - 1]) {
911 my ($mrid,$rank,$skip) = @$rec;
912 $client->respond( [$mrid, sprintf('%0.3f',$rank), $skip, $count] );
917 for my $class ( qw/title author subject keyword series/ ) {
918 __PACKAGE__->register_method(
919 api_name => "open-ils.storage.metabib.$class.new_search_fts.metarecord",
920 method => 'new_search_class_fts',
923 cdbi => "metabib::${class}_field_entry",
926 __PACKAGE__->register_method(
927 api_name => "open-ils.storage.metabib.$class.new_search_fts.metarecord.staff",
928 method => 'new_search_class_fts',
931 cdbi => "metabib::${class}_field_entry",
937 my $_cdbi = { title => "metabib::title_field_entry",
938 author => "metabib::author_field_entry",
939 subject => "metabib::subject_field_entry",
940 keyword => "metabib::keyword_field_entry",
941 series => "metabib::series_field_entry",