4 package OpenILS::Application::Storage::Driver::Pg::QueryParser;
5 use OpenILS::Application::Storage::QueryParser;
6 use base 'QueryParser';
7 use OpenSRF::Utils::JSON;
8 use OpenILS::Application::AppUtils;
9 use OpenILS::Utils::CStoreEditor;
10 my $U = 'OpenILS::Application::AppUtils';
13 sub subquery_callback {
14 my ($invocant, $self, $struct, $filter, $params, $negate) = @_;
16 return sprintf(' ((%s)) ',
22 OpenILS::Utils::CStoreEditor
24 ->search_actor_search_query({ id => $params })
30 sub filter_group_entry_callback {
31 my ($invocant, $self, $struct, $filter, $params, $negate) = @_;
33 return sprintf(' saved_query(%s)',
39 OpenILS::Utils::CStoreEditor
41 ->search_actor_search_filter_group_entry({ id => $params })
51 if ($value =~ /^\d/) { # may have to use non-$ quoting
53 $value =~ s/\\/\\\\/g;
56 return "\$_$$\$$value\$_$$\$";
59 sub quote_phrase_value {
63 my $left_anchored = $value =~ m/^\^/;
64 my $right_anchored = $value =~ m/\$$/;
65 $value =~ s/\^// if $left_anchored;
66 $value =~ s/\$$// if $right_anchored;
67 $value = quotemeta($value);
68 $value = '^' . $value if $left_anchored;
69 $value = "$value\$" if $right_anchored;
70 return $self->quote_value($value);
77 sub default_preferred_language {
81 $self->custom_data->{default_preferred_language} = $lang if ($lang);
82 return $self->custom_data->{default_preferred_language};
85 sub default_preferred_language_multiplier {
89 $self->custom_data->{default_preferred_language_multiplier} = $lang if ($lang);
90 return $self->custom_data->{default_preferred_language_multiplier};
96 return 0 unless $self->parse_tree;
97 return 0 if @{$self->parse_tree->filters};
98 return 0 if @{$self->parse_tree->modifiers};
99 for my $node ( @{ $self->parse_tree->query_nodes } ) {
100 return 0 if (!ref($node) && $node eq '|');
101 next unless (ref($node));
102 return 0 if ($node->isa('QueryParser::query_plan'));
110 return $self->parse_tree->toSQL;
113 sub dynamic_filters {
117 $self->custom_data->{dynamic_filters} ||= [];
118 push(@{$self->custom_data->{dynamic_filters}}, $new) if ($new);
119 return $self->custom_data->{dynamic_filters};
122 sub dynamic_sorters {
126 $self->custom_data->{dynamic_sorters} ||= [];
127 push(@{$self->custom_data->{dynamic_sorters}}, $new) if ($new);
128 return $self->custom_data->{dynamic_sorters};
131 sub facet_field_id_map {
135 $self->custom_data->{facet_field_id_map} ||= {};
136 $self->custom_data->{facet_field_id_map} = $map if ($map);
137 return $self->custom_data->{facet_field_id_map};
140 sub add_facet_field_id_map {
147 $self->add_facet_field( $class => $field );
148 $self->facet_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
149 $self->facet_field_id_map->{by_class}{$class}{$field} = $id;
152 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
153 by_class => { $class => { $field => $id } }
157 sub facet_field_class_by_id {
161 return $self->facet_field_id_map->{by_id}{$id};
164 sub facet_field_ids_by_class {
169 return undef unless ($class);
172 return [$self->facet_field_id_map->{by_class}{$class}{$field}];
175 return [values( %{ $self->facet_field_id_map->{by_class}{$class} } )];
178 sub search_field_id_map {
182 $self->custom_data->{search_field_id_map} ||= {};
183 $self->custom_data->{search_field_id_map} = $map if ($map);
184 return $self->custom_data->{search_field_id_map};
187 sub add_search_field_id_map {
194 $self->add_search_field( $class => $field );
195 $self->search_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
196 $self->search_field_id_map->{by_class}{$class}{$field} = $id;
199 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
200 by_class => { $class => { $field => $id } }
204 sub search_field_class_by_id {
208 return $self->search_field_id_map->{by_id}{$id};
211 sub search_field_ids_by_class {
216 return undef unless ($class);
219 return [$self->search_field_id_map->{by_class}{$class}{$field}];
222 return [values( %{ $self->search_field_id_map->{by_class}{$class} } )];
225 sub relevance_bumps {
229 $self->custom_data->{rel_bumps} ||= {};
230 $self->custom_data->{rel_bumps} = $bumps if ($bumps);
231 return $self->custom_data->{rel_bumps};
234 sub find_relevance_bumps {
239 return $self->relevance_bumps->{$class}{$field};
242 sub add_relevance_bump {
247 my $multiplier = shift;
250 if (defined($active) and $active eq 'f') {
256 $self->relevance_bumps->{$class}{$field}{$type} = { multiplier => $multiplier, active => $active };
258 return { $class => { $field => { $type => { multiplier => $multiplier, active => $active } } } };
262 sub initialize_search_field_id_map {
264 my $cmf_list = shift;
266 for my $cmf (@$cmf_list) {
267 __PACKAGE__->add_search_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->search_field));
268 __PACKAGE__->add_facet_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->facet_field));
271 return $self->search_field_id_map;
274 sub initialize_aliases {
276 my $cmsa_list = shift;
278 for my $cmsa (@$cmsa_list) {
280 __PACKAGE__->add_search_class_alias( $cmsa->field_class, $cmsa->alias );
282 my $c = $self->search_field_class_by_id( $cmsa->field );
283 __PACKAGE__->add_search_field_alias( $cmsa->field_class, $c->{field}, $cmsa->alias );
288 sub initialize_relevance_bumps {
290 my $sra_list = shift;
292 for my $sra (@$sra_list) {
293 my $c = $self->search_field_class_by_id( $sra->field );
294 __PACKAGE__->add_relevance_bump( $c->{classname}, $c->{field}, $sra->bump_type, $sra->multiplier, $sra->active );
297 return $self->relevance_bumps;
300 sub initialize_query_normalizers {
302 my $tree = shift; # open-ils.cstore.direct.config.metabib_field_index_norm_map.search.atomic { "id" : { "!=" : null } }, { "flesh" : 1, "flesh_fields" : { "cmfinm" : ["norm"] }, "order_by" : [{ "class" : "cmfinm", "field" : "pos" }] }
304 for my $cmfinm ( @$tree ) {
305 my $field_info = $self->search_field_class_by_id( $cmfinm->field );
306 __PACKAGE__->add_query_normalizer( $field_info->{classname}, $field_info->{field}, $cmfinm->norm->func, OpenSRF::Utils::JSON->JSON2perl($cmfinm->params) );
310 sub initialize_dynamic_filters {
312 my $list = shift; # open-ils.cstore.direct.config.record_attr_definition.search.atomic { "id" : { "!=" : null } }
314 for my $crad ( @$list ) {
315 __PACKAGE__->dynamic_filters( __PACKAGE__->add_search_filter( $crad->name ) ) if ($U->is_true($crad->filter));
316 __PACKAGE__->dynamic_sorters( $crad->name ) if ($U->is_true($crad->sorter));
320 sub initialize_filter_normalizers {
322 my $tree = shift; # open-ils.cstore.direct.config.record_attr_index_norm_map.search.atomic { "id" : { "!=" : null } }, { "flesh" : 1, "flesh_fields" : { "crainm" : ["norm"] }, "order_by" : [{ "class" : "crainm", "field" : "pos" }] }
324 for my $crainm ( @$tree ) {
325 __PACKAGE__->add_filter_normalizer( $crainm->attr, $crainm->norm->func, OpenSRF::Utils::JSON->JSON2perl($crainm->params) );
330 sub initialization_complete {
338 return $_complete if ($_complete);
340 # tsearch rank normalization adjustments. see http://www.postgresql.org/docs/9.0/interactive/textsearch-controls.html#TEXTSEARCH-RANKING for details
341 $self->custom_data->{rank_cd_weight_map} = {
342 CD_logDocumentLength => 1,
343 CD_documentLength => 2,
344 CD_meanHarmonic => 4,
346 CD_logUniqueWords => 16,
350 $self->add_search_modifier( $_ ) for (keys %{ $self->custom_data->{rank_cd_weight_map} });
352 $self->initialize_search_field_id_map( $args{config_metabib_field} )
353 if ($args{config_metabib_field});
355 $self->initialize_aliases( $args{config_metabib_search_alias} )
356 if ($args{config_metabib_search_alias});
358 $self->initialize_relevance_bumps( $args{search_relevance_adjustment} )
359 if ($args{search_relevance_adjustment});
361 $self->initialize_query_normalizers( $args{config_metabib_field_index_norm_map} )
362 if ($args{config_metabib_field_index_norm_map});
364 $self->initialize_dynamic_filters( $args{config_record_attr_definition} )
365 if ($args{config_record_attr_definition});
367 $self->initialize_filter_normalizers( $args{config_record_attr_index_norm_map} )
368 if ($args{config_record_attr_index_norm_map});
371 $args{config_metabib_field_index_norm_map} &&
372 $args{search_relevance_adjustment} &&
373 $args{config_metabib_search_alias} &&
374 $args{config_metabib_field} &&
375 $args{config_record_attr_definition}
383 __PACKAGE__->allow_nested_modifiers(1);
385 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
387 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
388 __PACKAGE__->add_relevance_bump( series => seriestitle => first_word => 1.5 );
389 __PACKAGE__->add_relevance_bump( series => seriestitle => full_match => 20 );
391 __PACKAGE__->add_search_field_id_map( title => abbreviated => 2 => 1 );
392 __PACKAGE__->add_relevance_bump( title => abbreviated => first_word => 1.5 );
393 __PACKAGE__->add_relevance_bump( title => abbreviated => full_match => 20 );
395 __PACKAGE__->add_search_field_id_map( title => translated => 3 => 1 );
396 __PACKAGE__->add_relevance_bump( title => translated => first_word => 1.5 );
397 __PACKAGE__->add_relevance_bump( title => translated => full_match => 20 );
399 __PACKAGE__->add_search_field_id_map( title => proper => 6 => 1 );
400 __PACKAGE__->add_query_normalizer( title => proper => 'search_normalize' );
401 __PACKAGE__->add_relevance_bump( title => proper => first_word => 1.5 );
402 __PACKAGE__->add_relevance_bump( title => proper => full_match => 20 );
403 __PACKAGE__->add_relevance_bump( title => proper => word_order => 10 );
405 __PACKAGE__->add_search_field_id_map( author => corporate => 7 => 1 );
406 __PACKAGE__->add_relevance_bump( author => corporate => first_word => 1.5 );
407 __PACKAGE__->add_relevance_bump( author => corporate => full_match => 20 );
409 __PACKAGE__->add_facet_field_id_map( author => personal => 8 => 1 );
411 __PACKAGE__->add_search_field_id_map( author => personal => 8 => 1 );
412 __PACKAGE__->add_relevance_bump( author => personal => first_word => 1.5 );
413 __PACKAGE__->add_relevance_bump( author => personal => full_match => 20 );
414 __PACKAGE__->add_query_normalizer( author => personal => 'search_normalize' );
415 __PACKAGE__->add_query_normalizer( author => personal => 'split_date_range' );
417 __PACKAGE__->add_facet_field_id_map( subject => topic => 14 => 1 );
419 __PACKAGE__->add_search_field_id_map( subject => topic => 14 => 1 );
420 __PACKAGE__->add_relevance_bump( subject => topic => first_word => 1 );
421 __PACKAGE__->add_relevance_bump( subject => topic => full_match => 1 );
423 __PACKAGE__->add_search_field_id_map( subject => complete => 16 => 1 );
424 __PACKAGE__->add_relevance_bump( subject => complete => first_word => 1 );
425 __PACKAGE__->add_relevance_bump( subject => complete => full_match => 1 );
427 __PACKAGE__->add_search_field_id_map( keyword => keyword => 15 => 1 );
428 __PACKAGE__->add_relevance_bump( keyword => keyword => first_word => 1 );
429 __PACKAGE__->add_relevance_bump( keyword => keyword => full_match => 1 );
432 __PACKAGE__->add_search_class_alias( keyword => 'kw' );
433 __PACKAGE__->add_search_class_alias( title => 'ti' );
434 __PACKAGE__->add_search_class_alias( author => 'au' );
435 __PACKAGE__->add_search_class_alias( author => 'name' );
436 __PACKAGE__->add_search_class_alias( author => 'dc.contributor' );
437 __PACKAGE__->add_search_class_alias( subject => 'su' );
438 __PACKAGE__->add_search_class_alias( subject => 'bib.subject(?:Title|Place|Occupation)' );
439 __PACKAGE__->add_search_class_alias( series => 'se' );
440 __PACKAGE__->add_search_class_alias( keyword => 'dc.identifier' );
442 __PACKAGE__->add_query_normalizer( author => corporate => 'search_normalize' );
443 __PACKAGE__->add_query_normalizer( keyword => keyword => 'search_normalize' );
445 __PACKAGE__->add_search_field_alias( subject => name => 'bib.subjectName' );
449 __PACKAGE__->default_search_class( 'keyword' );
451 # implements EG-specific stored subqueries
452 __PACKAGE__->add_search_filter( 'saved_query', sub { return __PACKAGE__->subquery_callback(@_) } );
453 __PACKAGE__->add_search_filter( 'filter_group_entry', sub { return __PACKAGE__->filter_group_entry_callback(@_) } );
455 # will be retained simply for back-compat
456 __PACKAGE__->add_search_filter( 'format' );
458 # grumble grumble, special cases against date1 and date2
459 __PACKAGE__->add_search_filter( 'before' );
460 __PACKAGE__->add_search_filter( 'after' );
461 __PACKAGE__->add_search_filter( 'between' );
462 __PACKAGE__->add_search_filter( 'during' );
464 # used by layers above this
465 __PACKAGE__->add_search_filter( 'statuses' );
466 __PACKAGE__->add_search_filter( 'locations' );
467 __PACKAGE__->add_search_filter( 'location_groups' );
468 __PACKAGE__->add_search_filter( 'site' );
469 __PACKAGE__->add_search_filter( 'pref_ou' );
470 __PACKAGE__->add_search_filter( 'lasso' );
471 __PACKAGE__->add_search_filter( 'my_lasso' );
472 __PACKAGE__->add_search_filter( 'depth' );
473 __PACKAGE__->add_search_filter( 'language' );
474 __PACKAGE__->add_search_filter( 'offset' );
475 __PACKAGE__->add_search_filter( 'limit' );
476 __PACKAGE__->add_search_filter( 'check_limit' );
477 __PACKAGE__->add_search_filter( 'skip_check' );
478 __PACKAGE__->add_search_filter( 'superpage' );
479 __PACKAGE__->add_search_filter( 'superpage_size' );
480 __PACKAGE__->add_search_filter( 'estimation_strategy' );
481 __PACKAGE__->add_search_modifier( 'available' );
482 __PACKAGE__->add_search_modifier( 'staff' );
484 # Start from container data (bre, acn, acp): container(bre,bookbag,123,deadb33fdeadb33fdeadb33fdeadb33f)
485 __PACKAGE__->add_search_filter( 'container' );
487 # Start from a list of record ids, either bre or metarecords, depending on the #metabib modifier
488 __PACKAGE__->add_search_filter( 'record_list' );
490 # used internally, but generally not user-settable
491 __PACKAGE__->add_search_filter( 'preferred_language' );
492 __PACKAGE__->add_search_filter( 'preferred_language_weight' );
493 __PACKAGE__->add_search_filter( 'preferred_language_multiplier' );
494 __PACKAGE__->add_search_filter( 'core_limit' );
496 # XXX Valid values to be supplied by SVF
497 __PACKAGE__->add_search_filter( 'sort' );
499 # modifies core query, not configurable
500 __PACKAGE__->add_search_modifier( 'descending' );
501 __PACKAGE__->add_search_modifier( 'ascending' );
502 __PACKAGE__->add_search_modifier( 'nullsfirst' );
503 __PACKAGE__->add_search_modifier( 'nullslast' );
504 __PACKAGE__->add_search_modifier( 'metarecord' );
505 __PACKAGE__->add_search_modifier( 'metabib' );
508 #-------------------------------
509 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan;
510 use base 'QueryParser::query_plan';
511 use OpenSRF::Utils::Logger qw($logger);
513 use OpenILS::Application::AppUtils;
514 my $apputils = "OpenILS::Application::AppUtils";
521 my ($format) = $self->find_filter('format');
523 my ($t,$f) = split('-', $format->args->[0]);
524 $self->new_filter( item_type => [ split '', $t ] ) if ($t);
525 $self->new_filter( item_form => [ split '', $f ] ) if ($f);
528 for my $f ( qw/preferred_language preferred_language_multiplier preferred_language_weight core_limit check_limit skip_check superpage superpage_size/ ) {
530 $col = 'preferred_language_multiplier' if ($f eq 'preferred_language_weight');
531 my ($filter) = $self->find_filter($f);
532 if ($filter and @{$filter->args}) {
533 $filters{$col} = $filter->args->[0];
537 $self->QueryParser->superpage($filters{superpage}) if ($filters{superpage});
538 $self->QueryParser->superpage_size($filters{superpage_size}) if ($filters{superpage_size});
539 $self->QueryParser->core_limit($filters{core_limit}) if ($filters{core_limit});
541 $logger->debug("Query plan:\n".Dumper($self));
543 my $flat_plan = $self->flatten;
545 # generate the relevance ranking
546 my $rel = "AVG(\n${spc}${spc}${spc}${spc}${spc}(" . join(")\n${spc}${spc}${spc}${spc}${spc}+ (", @{$$flat_plan{rank_list}}) . ")\n${spc}${spc}${spc}${spc})+1";
548 # find any supplied sort option
549 my ($sort_filter) = $self->find_filter('sort');
551 $sort_filter = $sort_filter->args->[0];
553 $sort_filter = 'rel';
556 if (($filters{preferred_language} || $self->QueryParser->default_preferred_language) && ($filters{preferred_language_multiplier} || $self->QueryParser->default_preferred_language_multiplier)) {
557 my $pl = $self->QueryParser->quote_value( $filters{preferred_language} ? $filters{preferred_language} : $self->QueryParser->default_preferred_language );
558 my $plw = $filters{preferred_language_multiplier} ? $filters{preferred_language_multiplier} : $self->QueryParser->default_preferred_language_multiplier;
559 $rel = "($rel * COALESCE( NULLIF( FIRST(mrd.attrs \@> hstore('item_lang', $pl)), FALSE )::INT * $plw, 1))";
561 $rel = "1.0/($rel)::NUMERIC";
563 my $mra_join = 'INNER JOIN metabib.record_attr mrd ON (m.source = mrd.id';
564 $mra_join .= ' AND '. $flat_plan->{fwhere} if $flat_plan->{fwhere};
570 $desc = 'DESC' if ($self->find_modifier('descending'));
572 my $nullpos = 'NULLS LAST';
573 $nullpos = 'NULLS FIRST' if ($self->find_modifier('nullsfirst'));
575 if (grep {$_ eq $sort_filter} @{$self->QueryParser->dynamic_sorters}) {
576 $rank = "FIRST(mrd.attrs->'$sort_filter')"
577 } elsif ($sort_filter eq 'create_date') {
578 $rank = "FIRST((SELECT create_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
579 } elsif ($sort_filter eq 'edit_date') {
580 $rank = "FIRST((SELECT edit_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
582 # default to rel ranking
586 my $key = 'm.source';
587 $key = 'm.metarecord' if (grep {$_->name eq 'metarecord' or $_->name eq 'metabib'} @{$self->modifiers});
589 my ($before) = $self->find_filter('before');
590 my ($after) = $self->find_filter('after');
591 my ($during) = $self->find_filter('during');
592 my ($between) = $self->find_filter('between');
593 my ($container) = $self->find_filter('container');
594 my ($record_list) = $self->find_filter('record_list');
596 if ($before and @{$before->args} == 1) {
597 $before = "AND (mrd.attrs->'date1') <= " . $self->QueryParser->quote_value($before->args->[0]);
602 if ($after and @{$after->args} == 1) {
603 $after = "AND (mrd.attrs->'date1') >= " . $self->QueryParser->quote_value($after->args->[0]);
608 if ($during and @{$during->args} == 1) {
609 $during = "AND " . $self->QueryParser->quote_value($during->args->[0]) . " BETWEEN (mrd.attrs->'date1') AND (mrd.attrs->'date2')";
614 if ($between and @{$between->args} == 2) {
615 $between = "AND (mrd.attrs->'date1') BETWEEN " . $self->QueryParser->quote_value($between->args->[0]) . " AND " . $self->QueryParser->quote_value($between->args->[1]);
620 if ($container and @{$container->args} >= 3) {
621 my ($class, $ctype, $cid, $token) = @{ $container->args };
625 my $rec_field = 'ci.target_biblio_record_entry';
627 if ($class eq 'bre') {
628 $class = 'biblio_record_entry';
629 } elsif ($class eq 'acn') {
630 $class = 'call_number';
631 $rec_field = 'cn.record';
632 $rec_join = 'JOIN asset.call_number cn ON (ci.target_call_number = cn.id)';
633 } elsif ($class eq 'acp') {
635 $rec_field = 'cn.record';
636 $rec_join = 'JOIN asset.copy cp ON (ci.target_copy = cp.id) JOIN asset.call_number cn ON (cp.call_number = cn.id)';
637 # } elsif ($class eq 'au') {
639 # $rec_field = 'cn.record';
640 # $rec_join = 'JOIN asset.call_number cn ON ci.target_call_number = cn.id';
641 } else { $class = undef };
644 my ($u,$e) = $apputils->checksesperm($token) if ($token);
645 $perm_join = 'OR c.owner = ' . $u->id if ($u && !$e);
648 JOIN ( SELECT $rec_field AS container_item
649 FROM container.${class}_bucket_item ci
650 JOIN container.${class}_bucket c ON (c.id = ci.bucket)
652 WHERE c.btype = > . $self->QueryParser->quote_value($ctype) .
653 qq< AND c.id = > . $self->QueryParser->quote_value($cid) .
654 qq< AND (c.pub IS TRUE $perm_join)) container ON (container.container_item = m.source) >;
655 } else {$container = ''};
660 if ($record_list and @{$record_list->args} > 0) {
661 $record_list = 'JOIN (VALUES (' . join('),(', map { $self->QueryParser->quote_value($_) } @{ $record_list->args}) . ")) record_list(id) ON (record_list.id::BIGINT = $key)"
666 my $core_limit = $self->QueryParser->core_limit || 25000;
668 my $flat_where = $$flat_plan{where};
669 if ($flat_where eq '()') {
672 $flat_where = "AND $flat_where";
674 my $with = $$flat_plan{with};
675 $with= "\nWITH $with" if $with;
677 # Need an array for query parser db function; this gives a better plan
678 # than the ARRAY_AGG(DISTINCT m.source) option as of PostgreSQL 9.1
679 my $agg_records = 'ARRAY[m.source] AS records';
680 if ($key =~ /metarecord/) {
681 # metarecord searches still require the ARRAY_AGG approach
682 $agg_records = 'ARRAY_AGG(DISTINCT m.source) AS records';
691 FIRST(mrd.attrs->'date1') AS tie_break
692 FROM metabib.metarecord_source_map m
704 ORDER BY 4 $desc $nullpos, 5 DESC $nullpos, 3 DESC
708 warn $sql if $self->QueryParser->debug;
718 my $multiplier = shift;
720 my $only_atoms = $node->only_atoms;
721 return '' if (!@$only_atoms);
723 if ($bump eq 'first_word') {
724 return "/* first_word */ COALESCE(NULLIF( (search_normalize(".$node->table_alias.".value) ~ ('^'||search_normalize(".$self->QueryParser->quote_phrase_value($only_atoms->[0]->content)."))), FALSE )::INT * $multiplier, 1)";
725 } elsif ($bump eq 'full_match') {
726 return "/* full_match */ COALESCE(NULLIF( (search_normalize(".$node->table_alias.".value) ~ ('^'||".
727 join( "||' '||", map { "search_normalize(".$self->QueryParser->quote_phrase_value($_->content).")" } @$only_atoms )."||'\$')), FALSE )::INT * $multiplier, 1)";
728 } elsif ($bump eq 'word_order') {
729 return "/* word_order */ COALESCE(NULLIF( (search_normalize(".$node->table_alias.".value) ~ (".
730 join( "||'.*'||", map { "search_normalize(".$self->QueryParser->quote_phrase_value($_->content).")" } @$only_atoms ).")), FALSE )::INT * $multiplier, 1)";
739 my $from = shift || '';
740 my $where = shift || '(';
742 my $fwhere = shift || ''; # for joining dynamic filters (mra)
745 for my $filter (@{$self->filters}) {
746 push(@dyn_filters, $filter) if
747 grep { $_ eq $filter->name }
748 @{ $self->QueryParser->dynamic_filters };
752 for my $node ( @{$self->query_nodes} ) {
755 if ($node->isa( 'QueryParser::query_plan::node' )) {
757 unless (@{$node->only_atoms}) {
758 push @rank_list, '1';
763 my $table = $node->table;
764 my $talias = $node->table_alias;
766 my $node_rank = 'COALESCE(' . $node->rank . " * ${talias}.weight, 0.0)";
768 my $core_limit = $self->QueryParser->core_limit || 25000;
769 $from .= "\n${spc}${spc}${spc}${spc}LEFT JOIN (\n${spc}${spc}${spc}${spc}${spc}SELECT fe.*, fe_weight.weight, ${talias}_xq.tsq /* search */\n${spc}${spc}${spc}${spc}${spc} FROM $table AS fe";
770 $from .= "\n${spc}${spc}${spc}${spc}${spc}${spc}JOIN config.metabib_field AS fe_weight ON (fe_weight.id = fe.field)";
772 if ($node->dummy_count < @{$node->only_atoms} ) {
773 $with .= ",\n " if $with;
774 $with .= "${talias}_xq AS (SELECT ". $node->tsquery ." AS tsq )";
775 $from .= "\n${spc}${spc}${spc}${spc}${spc}${spc}JOIN ${talias}_xq ON (fe.index_vector @@ ${talias}_xq.tsq)";
777 $from .= "\n${spc}${spc}${spc}${spc}${spc}${spc}, (SELECT NULL::tsquery AS tsq ) AS x";
781 if (@{$node->fields} > 0) {
782 @bump_fields = @{$node->fields};
784 my @field_ids = grep defined, (
786 $self->QueryParser->search_field_ids_by_class(
792 $from .= "\n${spc}${spc}${spc}${spc}${spc}${spc}WHERE fe_weight.id IN (" .
793 join(',', @field_ids) . ")";
797 @bump_fields = @{$self->QueryParser->search_fields->{$node->classname}};
800 ###$from .= "\n${spc}${spc}LIMIT $core_limit";
801 $from .= "\n${spc}${spc}${spc}${spc}) AS $talias ON (m.source = ${talias}.source)";
805 for my $field ( @bump_fields ) {
806 my $bumps = $self->QueryParser->find_relevance_bumps( $node->classname => $field );
807 for my $b (keys %$bumps) {
808 next if (!$$bumps{$b}{active});
809 next if ($used_bumps{$b});
812 next if ($$bumps{$b}{multiplier} == 1); # optimization to remove unneeded bumps
814 my $bump_case = $self->rel_bump( $node, $b, $$bumps{$b}{multiplier} );
815 $node_rank .= "\n${spc}${spc}${spc}${spc}${spc}* " . $bump_case if ($bump_case);
820 my $twhere .= '(' . $talias . ".id IS NOT NULL";
821 $twhere .= ' AND ' . join(' AND ', map {"${talias}.value ~* ".$self->QueryParser->quote_phrase_value($_)} @{$node->phrases}) if (@{$node->phrases});
822 $twhere .= ' AND ' . join(' AND ', map {"${talias}.value !~* ".$self->QueryParser->quote_phrase_value($_)} @{$node->unphrases}) if (@{$node->unphrases});
825 if (@dyn_filters or !$self->top_plan) {
826 # if this WHERE is represented within the dynamic
827 # filter's ON clause, it's not also needed in the main WHERE.
833 push @rank_list, $node_rank;
835 } elsif ($node->isa( 'QueryParser::query_plan::facet' )) {
837 my $table = $node->table;
838 my $talias = $node->table_alias;
841 if (@{$node->fields} > 0) {
842 push(@field_ids, $self->QueryParser->facet_field_ids_by_class( $node->classname, $_ )->[0]) for (@{$node->fields});
844 @field_ids = @{ $self->QueryParser->facet_field_ids_by_class( $node->classname ) };
847 my $join_type = ($node->negate or @dyn_filters or !$self->top_plan) ? 'LEFT' : 'INNER';
848 $from .= "\n${spc}$join_type JOIN /* facet */ metabib.facet_entry $talias ON (\n${spc}${spc}m.source = ${talias}.source\n${spc}${spc}".
849 "AND SUBSTRING(${talias}.value,1,1024) IN (" . join(",", map { $self->QueryParser->quote_value($_) } @{$node->values}) . ")\n${spc}${spc}".
850 "AND ${talias}.field IN (". join(',', @field_ids) . ")\n${spc})";
852 if (@dyn_filters or !$self->top_plan) {
853 my $NOT = $node->negate ? '' : ' NOT';
854 $fwhere .= "${talias}.id IS$NOT NULL";
856 $where .= $node->negate ? "${talias}.id IS NULL" : 'TRUE';
860 my $subnode = $node->flatten;
862 # strip the trailing bool from the previous loop if there is
863 # nothing to add to the where/fwhere within this loop.
864 if ($$subnode{where} eq '()') {
865 $where =~ s/\s(AND|OR)\s$//;
867 } elsif ($$subnode{fwhere} eq '') {
868 $fwhere =~ s/\s(AND|OR)\s$//;
871 push(@rank_list, @{$$subnode{rank_list}});
872 $from .= $$subnode{from};
874 $where .= "($$subnode{where})" unless $$subnode{where} eq '()';
875 $fwhere .= "($$subnode{fwhere})" if $$subnode{fwhere};
877 if ($$subnode{with}) {
878 $with .= ",\n " if $with;
879 $with .= $$subnode{with};
884 warn "flatten(): appending WHERE bool to: $where\n" if $self->QueryParser->debug;
887 # bool joiner for inter-plan filters
888 $fwhere .= ' AND ' if ($node eq '&');
889 $fwhere .= ' OR ' if ($node eq '|');
891 } elsif ($where ne '(') {
893 $where .= ' AND ' if ($node eq '&');
894 $where .= ' OR ' if ($node eq '|');
899 # for each dynamic filter, build the ON clause for the JOIN
900 for my $filter (@dyn_filters) {
902 warn "flatten(): processing dynamic filter ". $filter->name ."\n"
903 if $self->QueryParser->debug;
905 # bool joiner for intra-plan nodes/filters
906 $fwhere .= sprintf(" %s ", ($self->joiner eq '&' ? 'AND' : 'OR')) if $fwhere;
908 my @fargs = @{$filter->args};
909 my $NOT = $filter->negate ? ' NOT' : '';
910 my $fname = $filter->name;
911 $fname = 'item_lang' if $fname eq 'language'; #XXX filter aliases
914 "attrs->'%s'$NOT IN (%s)", $fname,
915 join(',', map { $self->QueryParser->quote_value($_) } @fargs)
918 warn "flatten(): filter where => $fwhere\n"
919 if $self->QueryParser->debug;
921 warn "flatten(): full filter where => $fwhere\n" if $self->QueryParser->debug;
923 return { rank_list => \@rank_list, from => $from, where => $where.')', with => $with, fwhere => $fwhere };
927 #-------------------------------
928 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::filter;
929 use base 'QueryParser::query_plan::filter';
931 #-------------------------------
932 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::facet;
933 use base 'QueryParser::query_plan::facet';
937 my ($classname) = split '\|', $self->name;
943 return 'metabib.' . $self->classname . '_field_entry';
948 my ($classname,@fields) = split '\|', $self->name;
955 my $table_alias = "$self";
956 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
957 $table_alias .= '_' . $self->name;
958 $table_alias =~ s/\|/_/go;
964 #-------------------------------
965 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::modifier;
966 use base 'QueryParser::query_plan::modifier';
968 #-------------------------------
969 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node::atom;
970 use base 'QueryParser::query_plan::node::atom';
976 $self->{sql} = $sql if ($sql);
978 return $self->{sql} if ($self->{sql});
979 return $self->buildSQL;
985 my $classname = $self->node->classname;
987 return $self->sql("to_tsquery('$classname','')") if $self->{dummy};
989 my $normalizers = $self->node->plan->QueryParser->query_normalizers( $classname );
990 my $fields = $self->node->fields;
992 $fields = $self->node->plan->QueryParser->search_fields->{$classname} if (!@$fields);
996 for my $field (@$fields) {
997 for my $nfield (keys %$normalizers) {
998 for my $nizer ( @{$$normalizers{$nfield}} ) {
999 if ($field eq $nfield) {
1000 my $param_string = OpenSRF::Utils::JSON->perl2JSON($nizer->{params});
1001 if (!exists($norms{$nizer->{function}.$param_string})) {
1002 $norms{$nizer->{function}.$param_string} = {p=>$pos++,n=>$nizer};
1009 my $sql = $self->node->plan->QueryParser->quote_value($self->content);
1011 for my $n ( map { $$_{n} } sort { $$a{p} <=> $$b{p} } values %norms ) {
1012 $sql = join(', ', $sql, map { $self->node->plan->QueryParser->quote_value($_) } @{ $n->{params} });
1013 $sql = $n->{function}."($sql)";
1016 my $prefix = $self->prefix || '';
1017 my $suffix = $self->suffix || '';
1019 $prefix = "'$prefix' ||" if $prefix;
1021 my $suffix_after = '';
1023 $suffix_op = ":$suffix" if $suffix;
1024 $suffix_after = "|| '$suffix_op'" if $suffix;
1026 $sql = "to_tsquery('$classname', COALESCE(NULLIF($prefix '(' || btrim(regexp_replace($sql,E'(?:\\\\s+|:)','$suffix_op&','g'),'&|') $suffix_after || ')', '()'), ''))";
1028 return $self->sql($sql);
1031 #-------------------------------
1032 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node;
1033 use base 'QueryParser::query_plan::node';
1038 $self->{dummy_count} = 0;
1040 my $atoms = $self->query_atoms;
1042 for my $a (@$atoms) {
1043 push(@only_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom'));
1044 $self->{dummy_count}++ if (ref($a) && $a->{dummy});
1047 return \@only_atoms;
1052 return $self->{dummy_count};
1058 $self->{table} = $table if ($table);
1059 return $self->{table} if $self->{table};
1060 return $self->table( 'metabib.' . $self->classname . '_field_entry' );
1065 my $table_alias = shift;
1066 $self->{table_alias} = $table_alias if ($table_alias);
1067 return $self->{table_alias} if ($self->{table_alias});
1069 $table_alias = "$self";
1070 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
1071 $table_alias .= '_' . $self->requested_class;
1072 $table_alias =~ s/\|/_/go;
1074 return $self->table_alias( $table_alias );
1079 return $self->{tsquery} if ($self->{tsquery});
1081 for my $atom (@{$self->query_atoms}) {
1083 $self->{tsquery} .= "\n${spc}${spc}${spc}" .$atom->sql;
1085 $self->{tsquery} .= $atom x 2;
1089 return $self->{tsquery};
1095 my $rank_norm_map = $self->plan->QueryParser->custom_data->{rank_cd_weight_map};
1097 my $cover_density = 0;
1098 for my $norm ( keys %$rank_norm_map) {
1099 $cover_density += $$rank_norm_map{$norm} if ($self->plan->find_modifier($norm));
1102 return $self->{rank} if ($self->{rank});
1103 return $self->{rank} = 'ts_rank_cd(' . $self->table_alias . '.index_vector, ' . $self->table_alias . ".tsq, $cover_density)";