4 package OpenILS::Application::Storage::Driver::Pg::QueryParser;
5 use OpenILS::Application::Storage::QueryParser;
6 use base 'QueryParser';
7 use OpenSRF::Utils qw/:datetime/;
8 use OpenSRF::Utils::JSON;
9 use OpenILS::Application::AppUtils;
10 use OpenILS::Utils::CStoreEditor;
11 my $U = 'OpenILS::Application::AppUtils';
14 sub subquery_callback {
15 my ($invocant, $self, $struct, $filter, $params, $negate) = @_;
17 return sprintf(' ((%s)) ',
23 OpenILS::Utils::CStoreEditor
25 ->search_actor_search_query({ id => $params })
31 sub filter_group_entry_callback {
32 my ($invocant, $self, $struct, $filter, $params, $negate) = @_;
34 return sprintf(' saved_query(%s)',
40 OpenILS::Utils::CStoreEditor
42 ->search_actor_search_filter_group_entry({ id => $params })
49 my ($invocant, $self, $struct, $filter, $params, $negate) = @_;
52 my $negate_flag = ($negate ? '-' : '');
54 for my $param (@$params) {
55 my ($t,$f) = split('-', $param);
57 $treturn .= 'item_type(' . join(',',split('', $t)) . ')' if ($t);
58 $treturn .= ' ' if ($t and $f);
59 $treturn .= 'item_form(' . join(',',split('', $f)) . ')' if ($f);
60 $treturn = '(' . $treturn . ')' if ($t and $f);
61 push(@returns, $treturn) if $treturn;
63 $return = join(' || ', @returns);
64 $return = '(' . $return . ')' if(@returns > 1);
65 $return = $negate_flag.$return if($return);
73 if ($value =~ /^\d/) { # may have to use non-$ quoting
75 $value =~ s/\\/\\\\/g;
78 return "\$_$$\$$value\$_$$\$";
81 sub quote_phrase_value {
86 my $left_anchored = '';
87 my $right_anchored = '';
91 $left_anchored = $1 if $value =~ m/^([*\^])/;
92 $right_anchored = $1 if $value =~ m/([*\$])$/;
94 # We can't use word-boundary bracket expressions if the relevant char
95 # is not actually a "word" characters.
96 $left_wb = $wb if $value =~ m/^\w+/;
97 $right_wb = $wb if $value =~ m/\w+$/;
99 $value =~ s/^[*\^]// if $left_anchored;
100 $value =~ s/[*\$]$// if $right_anchored;
101 $value = quotemeta($value);
102 $value = '^' . $value if $left_anchored eq '^';
103 $value = "$value\$" if $right_anchored eq '$';
104 $value = '[[:<:]]' . $value if $left_wb && !$left_anchored;
105 $value .= '[[:>:]]' if $right_wb && !$right_anchored;
106 return $self->quote_value($value);
113 sub default_preferred_language {
117 $self->custom_data->{default_preferred_language} = $lang if ($lang);
118 return $self->custom_data->{default_preferred_language};
121 sub default_preferred_language_multiplier {
125 $self->custom_data->{default_preferred_language_multiplier} = $lang if ($lang);
126 return $self->custom_data->{default_preferred_language_multiplier};
132 return 0 unless $self->parse_tree;
133 return 0 if @{$self->parse_tree->filters};
134 return 0 if @{$self->parse_tree->modifiers};
135 for my $node ( @{ $self->parse_tree->query_nodes } ) {
136 return 0 if (!ref($node) && $node eq '|');
137 next unless (ref($node));
138 return 0 if ($node->isa('QueryParser::query_plan'));
146 return $self->parse_tree->toSQL;
149 sub dynamic_filters {
153 $self->custom_data->{dynamic_filters} ||= [];
154 push(@{$self->custom_data->{dynamic_filters}}, $new) if ($new);
155 return $self->custom_data->{dynamic_filters};
158 sub dynamic_sorters {
162 $self->custom_data->{dynamic_sorters} ||= [];
163 push(@{$self->custom_data->{dynamic_sorters}}, $new) if ($new);
164 return $self->custom_data->{dynamic_sorters};
167 sub facet_field_id_map {
171 $self->custom_data->{facet_field_id_map} ||= {};
172 $self->custom_data->{facet_field_id_map} = $map if ($map);
173 return $self->custom_data->{facet_field_id_map};
176 sub add_facet_field_id_map {
183 $self->add_facet_field( $class => $field );
184 $self->facet_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
185 $self->facet_field_id_map->{by_class}{$class}{$field} = $id;
188 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
189 by_class => { $class => { $field => $id } }
193 sub facet_field_class_by_id {
197 return $self->facet_field_id_map->{by_id}{$id};
200 sub facet_field_ids_by_class {
205 return undef unless ($class);
208 return [$self->facet_field_id_map->{by_class}{$class}{$field}];
211 return [values( %{ $self->facet_field_id_map->{by_class}{$class} } )];
214 sub search_field_id_map {
218 $self->custom_data->{search_field_id_map} ||= {};
219 $self->custom_data->{search_field_id_map} = $map if ($map);
220 return $self->custom_data->{search_field_id_map};
223 sub add_search_field_id_map {
229 my $combined = shift;
231 $self->add_search_field( $class => $field );
232 $self->search_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
233 $self->search_field_id_map->{by_class}{$class}{$field} = $id;
236 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
237 by_class => { $class => { $field => $id } }
241 sub search_field_class_by_id {
245 return $self->search_field_id_map->{by_id}{$id};
248 sub search_field_ids_by_class {
253 return undef unless ($class);
256 return [$self->search_field_id_map->{by_class}{$class}{$field}];
259 return [values( %{ $self->search_field_id_map->{by_class}{$class} } )];
262 sub relevance_bumps {
266 $self->custom_data->{rel_bumps} ||= {};
267 $self->custom_data->{rel_bumps} = $bumps if ($bumps);
268 return $self->custom_data->{rel_bumps};
271 sub find_relevance_bumps {
276 return $self->relevance_bumps->{$class}{$field};
279 sub add_relevance_bump {
284 my $multiplier = shift;
287 if (defined($active) and $active eq 'f') {
293 $self->relevance_bumps->{$class}{$field}{$type} = { multiplier => $multiplier, active => $active };
295 return { $class => { $field => { $type => { multiplier => $multiplier, active => $active } } } };
298 sub search_class_weights {
301 my $a_weight = shift;
302 my $b_weight = shift;
303 my $c_weight = shift;
304 my $d_weight = shift;
306 $self->custom_data->{class_weights} ||= {};
307 # Note: This reverses the A-D order, putting D first, because that is how the call actually works in PG
308 $self->custom_data->{class_weights}->{$class} ||= [0.1, 0.2, 0.4, 1.0];
309 $self->custom_data->{class_weights}->{$class} = [$d_weight, $c_weight, $b_weight, $a_weight] if $a_weight;
310 return $self->custom_data->{class_weights}->{$class};
313 sub search_class_combined {
318 $self->custom_data->{class_combined} ||= {};
319 # Note: This reverses the A-D order, putting D first, because that is how the call actually works in PG
320 $self->custom_data->{class_combined}->{$class} ||= 0;
321 $self->custom_data->{class_combined}->{$class} = 1 if $c && $c =~ /^(?:t|y|1)/i;
322 return $self->custom_data->{class_combined}->{$class};
325 sub class_ts_config {
328 my $lang = shift || 'DEFAULT';
330 my $ts_config = shift;
332 $self->custom_data->{class_ts_config} ||= {};
333 $self->custom_data->{class_ts_config}->{$class} ||= {};
334 $self->custom_data->{class_ts_config}->{$class}->{$lang} ||= {};
335 $self->custom_data->{class_ts_config}->{$class}->{$lang}->{normal} ||= [];
336 $self->custom_data->{class_ts_config}->{$class}->{$lang}->{always} ||= [];
337 $self->custom_data->{class_ts_config}->{$class}->{'DEFAULT'} ||= {};
338 $self->custom_data->{class_ts_config}->{$class}->{'DEFAULT'}->{normal} ||= [];
339 $self->custom_data->{class_ts_config}->{$class}->{'DEFAULT'}->{always} ||= [];
342 push @{$self->custom_data->{class_ts_config}->{$class}->{$lang}->{normal}}, $ts_config unless $always;
343 push @{$self->custom_data->{class_ts_config}->{$class}->{$lang}->{always}}, $ts_config if $always;
347 push @$return, @{$self->custom_data->{class_ts_config}->{$class}->{$lang}->{always}};
348 push @$return, @{$self->custom_data->{class_ts_config}->{$class}->{$lang}->{normal}} unless $always;
349 if($lang ne 'DEFAULT') {
350 push @$return, @{$self->custom_data->{class_ts_config}->{$class}->{'DEFAULT'}->{always}};
351 push @$return, @{$self->custom_data->{class_ts_config}->{$class}->{'DEFAULT'}->{normal}} unless $always;
356 sub field_ts_config {
360 my $lang = shift || 'DEFAULT';
361 my $ts_config = shift;
363 $self->custom_data->{field_ts_config} ||= {};
364 $self->custom_data->{field_ts_config}->{$class} ||= {};
365 $self->custom_data->{field_ts_config}->{$class}->{$field} ||= {};
366 $self->custom_data->{field_ts_config}->{$class}->{$field}->{$lang} ||= [];
367 $self->custom_data->{field_ts_config}->{$class}->{$field}->{'DEFAULT'} ||= [];
370 push @{$self->custom_data->{field_ts_config}->{$class}->{$field}->{$lang}}, $ts_config;
374 push @$return, @{$self->custom_data->{field_ts_config}->{$class}->{$field}->{$lang}};
375 if($lang ne 'DEFAULT') {
376 push @$return, @{$self->custom_data->{field_ts_config}->{$class}->{$field}->{'DEFAULT'}};
378 # Make it easy on us: Grab any "always" for the class here. If we have none we grab them all.
379 push @$return, @{$self->class_ts_config($class, $lang, scalar(@$return))};
383 sub initialize_search_field_id_map {
385 my $cmf_list = shift;
387 for my $cmf (@$cmf_list) {
388 __PACKAGE__->add_search_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->search_field));
389 __PACKAGE__->add_facet_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->facet_field));
392 return $self->search_field_id_map;
395 sub initialize_aliases {
397 my $cmsa_list = shift;
399 for my $cmsa (@$cmsa_list) {
401 __PACKAGE__->add_search_class_alias( $cmsa->field_class, $cmsa->alias );
403 my $c = $self->search_field_class_by_id( $cmsa->field );
404 __PACKAGE__->add_search_field_alias( $cmsa->field_class, $c->{field}, $cmsa->alias );
409 sub initialize_relevance_bumps {
411 my $sra_list = shift;
413 for my $sra (@$sra_list) {
414 my $c = $self->search_field_class_by_id( $sra->field );
415 __PACKAGE__->add_relevance_bump( $c->{classname}, $c->{field}, $sra->bump_type, $sra->multiplier, $sra->active );
418 return $self->relevance_bumps;
421 sub initialize_query_normalizers {
423 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" }] }
425 for my $cmfinm ( @$tree ) {
426 my $field_info = $self->search_field_class_by_id( $cmfinm->field );
427 next unless $field_info;
428 __PACKAGE__->add_query_normalizer( $field_info->{classname}, $field_info->{field}, $cmfinm->norm->func, OpenSRF::Utils::JSON->JSON2perl($cmfinm->params) );
432 sub initialize_dynamic_filters {
434 my $list = shift; # open-ils.cstore.direct.config.record_attr_definition.search.atomic { "id" : { "!=" : null } }
436 for my $crad ( @$list ) {
437 __PACKAGE__->dynamic_filters( __PACKAGE__->add_search_filter( $crad->name ) ) if ($U->is_true($crad->filter));
438 __PACKAGE__->dynamic_sorters( $crad->name ) if ($U->is_true($crad->sorter));
442 sub initialize_filter_normalizers {
444 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" }] }
446 for my $crainm ( @$tree ) {
447 __PACKAGE__->add_filter_normalizer( $crainm->attr, $crainm->norm->func, OpenSRF::Utils::JSON->JSON2perl($crainm->params) );
451 sub initialize_search_class_weights {
455 for my $search_class (@$classes) {
456 __PACKAGE__->search_class_weights( $search_class->name, $search_class->a_weight, $search_class->b_weight, $search_class->c_weight, $search_class->d_weight );
457 __PACKAGE__->search_class_combined( $search_class->name, $search_class->combined );
461 sub initialize_class_ts_config {
463 my $class_entries = shift;
465 for my $search_class_entry (@$class_entries) {
466 __PACKAGE__->class_ts_config($search_class_entry->field_class,$search_class_entry->search_lang,$U->is_true($search_class_entry->always),$search_class_entry->ts_config);
470 sub initialize_field_ts_config {
472 my $field_entries = shift;
473 my $field_objects = shift;
474 my %field_hash = map { $_->id => $_ } @$field_objects;
476 for my $search_field_entry (@$field_entries) {
477 my $field_object = $field_hash{$search_field_entry->metabib_field};
478 __PACKAGE__->field_ts_config($field_object->field_class,$field_object->name,$search_field_entry->search_lang,$search_field_entry->ts_config);
483 sub initialization_complete {
491 return $_complete if ($_complete);
493 # tsearch rank normalization adjustments. see http://www.postgresql.org/docs/9.0/interactive/textsearch-controls.html#TEXTSEARCH-RANKING for details
494 $self->custom_data->{rank_cd_weight_map} = {
495 CD_logDocumentLength => 1,
496 CD_documentLength => 2,
497 CD_meanHarmonic => 4,
499 CD_logUniqueWords => 16,
503 $self->add_search_modifier( $_ ) for (keys %{ $self->custom_data->{rank_cd_weight_map} });
505 $self->initialize_search_field_id_map( $args{config_metabib_field} )
506 if ($args{config_metabib_field});
508 $self->initialize_aliases( $args{config_metabib_search_alias} )
509 if ($args{config_metabib_search_alias});
511 $self->initialize_relevance_bumps( $args{search_relevance_adjustment} )
512 if ($args{search_relevance_adjustment});
514 $self->initialize_query_normalizers( $args{config_metabib_field_index_norm_map} )
515 if ($args{config_metabib_field_index_norm_map});
517 $self->initialize_dynamic_filters( $args{config_record_attr_definition} )
518 if ($args{config_record_attr_definition});
520 $self->initialize_filter_normalizers( $args{config_record_attr_index_norm_map} )
521 if ($args{config_record_attr_index_norm_map});
523 $self->initialize_search_class_weights( $args{config_metabib_class} )
524 if ($args{config_metabib_class});
526 $self->initialize_class_ts_config( $args{config_metabib_class_ts_map} )
527 if ($args{config_metabib_class_ts_map});
529 $self->initialize_field_ts_config( $args{config_metabib_field_ts_map}, $args{config_metabib_field} )
530 if ($args{config_metabib_field_ts_map} && $args{config_metabib_field});
533 $args{config_metabib_field_index_norm_map} &&
534 $args{search_relevance_adjustment} &&
535 $args{config_metabib_search_alias} &&
536 $args{config_metabib_field} &&
537 $args{config_record_attr_definition}
545 __PACKAGE__->allow_nested_modifiers(1);
547 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
549 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
550 __PACKAGE__->add_relevance_bump( series => seriestitle => first_word => 1.5 );
551 __PACKAGE__->add_relevance_bump( series => seriestitle => full_match => 20 );
553 __PACKAGE__->add_search_field_id_map( title => abbreviated => 2 => 1 );
554 __PACKAGE__->add_relevance_bump( title => abbreviated => first_word => 1.5 );
555 __PACKAGE__->add_relevance_bump( title => abbreviated => full_match => 20 );
557 __PACKAGE__->add_search_field_id_map( title => translated => 3 => 1 );
558 __PACKAGE__->add_relevance_bump( title => translated => first_word => 1.5 );
559 __PACKAGE__->add_relevance_bump( title => translated => full_match => 20 );
561 __PACKAGE__->add_search_field_id_map( title => proper => 6 => 1 );
562 __PACKAGE__->add_query_normalizer( title => proper => 'search_normalize' );
563 __PACKAGE__->add_relevance_bump( title => proper => first_word => 1.5 );
564 __PACKAGE__->add_relevance_bump( title => proper => full_match => 20 );
565 __PACKAGE__->add_relevance_bump( title => proper => word_order => 10 );
567 __PACKAGE__->add_search_field_id_map( author => corporate => 7 => 1 );
568 __PACKAGE__->add_relevance_bump( author => corporate => first_word => 1.5 );
569 __PACKAGE__->add_relevance_bump( author => corporate => full_match => 20 );
571 __PACKAGE__->add_facet_field_id_map( author => personal => 8 => 1 );
573 __PACKAGE__->add_search_field_id_map( author => personal => 8 => 1 );
574 __PACKAGE__->add_relevance_bump( author => personal => first_word => 1.5 );
575 __PACKAGE__->add_relevance_bump( author => personal => full_match => 20 );
576 __PACKAGE__->add_query_normalizer( author => personal => 'search_normalize' );
577 __PACKAGE__->add_query_normalizer( author => personal => 'split_date_range' );
579 __PACKAGE__->add_facet_field_id_map( subject => topic => 14 => 1 );
581 __PACKAGE__->add_search_field_id_map( subject => topic => 14 => 1 );
582 __PACKAGE__->add_relevance_bump( subject => topic => first_word => 1 );
583 __PACKAGE__->add_relevance_bump( subject => topic => full_match => 1 );
585 __PACKAGE__->add_search_field_id_map( subject => complete => 16 => 1 );
586 __PACKAGE__->add_relevance_bump( subject => complete => first_word => 1 );
587 __PACKAGE__->add_relevance_bump( subject => complete => full_match => 1 );
589 __PACKAGE__->add_search_field_id_map( keyword => keyword => 15 => 1 );
590 __PACKAGE__->add_relevance_bump( keyword => keyword => first_word => 1 );
591 __PACKAGE__->add_relevance_bump( keyword => keyword => full_match => 1 );
593 __PACKAGE__->class_ts_config( 'series', undef, 1, 'english_nostop' );
594 __PACKAGE__->class_ts_config( 'title', undef, 1, 'english_nostop' );
595 __PACKAGE__->class_ts_config( 'author', undef, 1, 'english_nostop' );
596 __PACKAGE__->class_ts_config( 'subject', undef, 1, 'english_nostop' );
597 __PACKAGE__->class_ts_config( 'keyword', undef, 1, 'english_nostop' );
598 __PACKAGE__->class_ts_config( 'series', undef, 1, 'simple' );
599 __PACKAGE__->class_ts_config( 'title', undef, 1, 'simple' );
600 __PACKAGE__->class_ts_config( 'author', undef, 1, 'simple' );
601 __PACKAGE__->class_ts_config( 'subject', undef, 1, 'simple' );
602 __PACKAGE__->class_ts_config( 'keyword', undef, 1, 'simple' );
604 # French! To test language limiters
605 __PACKAGE__->class_ts_config( 'series', 'fre', 1, 'french_nostop' );
606 __PACKAGE__->class_ts_config( 'title', 'fre', 1, 'french_nostop' );
607 __PACKAGE__->class_ts_config( 'author', 'fre', 1, 'french_nostop' );
608 __PACKAGE__->class_ts_config( 'subject', 'fre', 1, 'french_nostop' );
609 __PACKAGE__->class_ts_config( 'keyword', 'fre', 1, 'french_nostop' );
611 # Not a default config by any means, but good for some testing
612 __PACKAGE__->field_ts_config( 'author', 'personal', 'eng', 'english' );
613 __PACKAGE__->field_ts_config( 'author', 'personal', 'fre', 'french' );
615 __PACKAGE__->add_search_class_alias( keyword => 'kw' );
616 __PACKAGE__->add_search_class_alias( title => 'ti' );
617 __PACKAGE__->add_search_class_alias( author => 'au' );
618 __PACKAGE__->add_search_class_alias( author => 'name' );
619 __PACKAGE__->add_search_class_alias( author => 'dc.contributor' );
620 __PACKAGE__->add_search_class_alias( subject => 'su' );
621 __PACKAGE__->add_search_class_alias( subject => 'bib.subject(?:Title|Place|Occupation)' );
622 __PACKAGE__->add_search_class_alias( series => 'se' );
623 __PACKAGE__->add_search_class_alias( keyword => 'dc.identifier' );
625 __PACKAGE__->add_query_normalizer( author => corporate => 'search_normalize' );
626 __PACKAGE__->add_query_normalizer( keyword => keyword => 'search_normalize' );
628 __PACKAGE__->add_search_field_alias( subject => name => 'bib.subjectName' );
632 __PACKAGE__->default_search_class( 'keyword' );
634 # implements EG-specific stored subqueries
635 __PACKAGE__->add_search_filter( 'saved_query', sub { return __PACKAGE__->subquery_callback(@_) } );
636 __PACKAGE__->add_search_filter( 'filter_group_entry', sub { return __PACKAGE__->filter_group_entry_callback(@_) } );
638 # will be retained simply for back-compat
639 __PACKAGE__->add_search_filter( 'format', sub { return __PACKAGE__->format_callback(@_) } );
641 # grumble grumble, special cases against date1 and date2
642 __PACKAGE__->add_search_filter( 'before' );
643 __PACKAGE__->add_search_filter( 'after' );
644 __PACKAGE__->add_search_filter( 'between' );
645 __PACKAGE__->add_search_filter( 'during' );
647 # various filters for limiting in various ways
648 __PACKAGE__->add_search_filter( 'edit_date' );
649 __PACKAGE__->add_search_filter( 'create_date' );
650 __PACKAGE__->add_search_filter( 'statuses' );
651 __PACKAGE__->add_search_filter( 'locations' );
652 __PACKAGE__->add_search_filter( 'location_groups' );
653 __PACKAGE__->add_search_filter( 'bib_source' );
654 __PACKAGE__->add_search_filter( 'badge_orgs' );
655 __PACKAGE__->add_search_filter( 'badges' );
656 __PACKAGE__->add_search_filter( 'site' );
657 __PACKAGE__->add_search_filter( 'pref_ou' );
658 __PACKAGE__->add_search_filter( 'lasso' );
659 __PACKAGE__->add_search_filter( 'my_lasso' );
660 __PACKAGE__->add_search_filter( 'depth' );
661 __PACKAGE__->add_search_filter( 'language' );
662 __PACKAGE__->add_search_filter( 'offset' );
663 __PACKAGE__->add_search_filter( 'limit' );
664 __PACKAGE__->add_search_filter( 'check_limit' );
665 __PACKAGE__->add_search_filter( 'skip_check' );
666 __PACKAGE__->add_search_filter( 'superpage' );
667 __PACKAGE__->add_search_filter( 'superpage_size' );
668 __PACKAGE__->add_search_filter( 'estimation_strategy' );
669 __PACKAGE__->add_search_modifier( 'available' );
670 __PACKAGE__->add_search_modifier( 'staff' );
671 __PACKAGE__->add_search_modifier( 'deleted' );
672 __PACKAGE__->add_search_modifier( 'lucky' );
674 # Start from container data (bre, acn, acp): container(bre,bookbag,123,deadb33fdeadb33fdeadb33fdeadb33f)
675 __PACKAGE__->add_search_filter( 'container' );
677 # Start from a list of record ids, either bre or metarecords, depending on the #metabib modifier
678 __PACKAGE__->add_search_filter( 'record_list' );
680 __PACKAGE__->add_search_filter( 'has_browse_entry' );
682 # used internally, but generally not user-settable
683 __PACKAGE__->add_search_filter( 'preferred_language' );
684 __PACKAGE__->add_search_filter( 'preferred_language_weight' );
685 __PACKAGE__->add_search_filter( 'preferred_language_multiplier' );
686 __PACKAGE__->add_search_filter( 'core_limit' );
688 # XXX Valid values to be supplied by SVF
689 __PACKAGE__->add_search_filter( 'sort' );
691 # modifies core query, not configurable
692 __PACKAGE__->add_search_modifier( 'descending' );
693 __PACKAGE__->add_search_modifier( 'ascending' );
694 __PACKAGE__->add_search_modifier( 'nullsfirst' );
695 __PACKAGE__->add_search_modifier( 'nullslast' );
696 __PACKAGE__->add_search_modifier( 'metarecord' );
697 __PACKAGE__->add_search_modifier( 'metabib' );
700 #-------------------------------
701 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan;
702 use base 'QueryParser::query_plan';
703 use OpenSRF::Utils::Logger qw($logger);
704 use OpenSRF::Utils qw/:datetime/;
706 use OpenILS::Application::AppUtils;
707 my $apputils = "OpenILS::Application::AppUtils";
709 our %_dfilter_controlled_cache = ();
710 our %_dfilter_stats_cache = ();
711 our $_pg_version = 0;
713 sub dynamic_filter_compile {
714 my ($self, $filter, $params, $negate) = @_;
715 my $e = OpenILS::Utils::CStoreEditor->new;
717 $negate = $negate ? '!' : '';
720 ($_pg_version = $e->json_query({from => ['version']})->[0]->{version}) =~ s/^.+?(\d\.\d).+$/$1/;
724 if ($_pg_version >= 9.2) {
725 if (!scalar keys %_dfilter_stats_cache) {
726 my $data = $e->json_query({from => ['evergreen.pg_statistics', 'record_attr_vector_list', 'vlist']});
727 %_dfilter_stats_cache = map {
728 ( $_->{element}, $_->{frequency} )
729 } grep { $_->{frequency} > 5 } @$data; # Pin floor to 5% of the table
732 $common = 1; # Assume it's expensive
735 if (!exists($_dfilter_controlled_cache{$filter})) {
736 my $crad = $e->retrieve_config_record_attr_definition($filter);
737 my $ccvm_list = $e->search_config_coded_value_map({ctype =>$filter});
739 $_dfilter_controlled_cache{$filter} = $crad->to_bare_hash;
740 $_dfilter_controlled_cache{$filter}{controlled} = scalar @$ccvm_list;
743 my $method = $_dfilter_controlled_cache{$filter}{controlled} ?
744 'search_config_coded_value_map' : 'search_metabib_uncontrolled_record_attr_value';
745 my $attr_field = $_dfilter_controlled_cache{$filter}{controlled} ?
747 my $value_field = $_dfilter_controlled_cache{$filter}{controlled} ?
750 my $attr_objects = $e->$method({ $attr_field => $filter, $value_field => $params });
751 $common = scalar(grep { exists($_dfilter_stats_cache{$_->id}) } @$attr_objects) unless $common;
753 return (sprintf('%s(%s)', $negate,
756 map { $_->id } @$attr_objects
766 for my $f ( qw/preferred_language preferred_language_multiplier preferred_language_weight core_limit check_limit skip_check superpage superpage_size/ ) {
768 $col = 'preferred_language_multiplier' if ($f eq 'preferred_language_weight');
769 my ($filter) = $self->find_filter($f);
770 if ($filter and @{$filter->args}) {
771 $filters{$col} = $filter->args->[0];
775 $self->QueryParser->superpage($filters{superpage}) if ($filters{superpage});
776 $self->QueryParser->superpage_size($filters{superpage_size}) if ($filters{superpage_size});
777 $self->QueryParser->core_limit($filters{core_limit}) if ($filters{core_limit});
779 $logger->debug("Query plan:\n".Dumper($self));
781 my $flat_plan = $self->flatten;
783 # generate the relevance ranking
784 my $rel = '1'; # Default to something simple in case rank_list is empty.
785 if (@{$$flat_plan{rank_list}}) {
788 . join(")\n" . ${spc} x 5 . "+ (", @{$$flat_plan{rank_list}})
790 . ${spc} x 4 . ")+1";
793 # find any supplied sort option
794 my ($sort_filter) = $self->find_filter('sort');
796 $sort_filter = $sort_filter->args->[0];
798 $sort_filter = 'rel';
802 if (($filters{preferred_language} || $self->QueryParser->default_preferred_language) && ($filters{preferred_language_multiplier} || $self->QueryParser->default_preferred_language_multiplier)) {
804 my $pl = $self->QueryParser->quote_value( $filters{preferred_language} ? $filters{preferred_language} : $self->QueryParser->default_preferred_language );
805 $$flat_plan{with} .= ',' if $$flat_plan{with};
806 $$flat_plan{with} .= "lang_with AS (SELECT id FROM config.coded_value_map WHERE ctype = 'item_lang' AND code = $pl)";
807 $lang_join = ",lang_with";
809 my $plw = $filters{preferred_language_multiplier} ? $filters{preferred_language_multiplier} : $self->QueryParser->default_preferred_language_multiplier;
810 $rel = "($rel * COALESCE( NULLIF( FIRST(mrv.vlist \@> ARRAY[lang_with.id]), FALSE )::INT * $plw, 1))";
811 $$flat_plan{uses_mrv} = 1;
815 if ($$flat_plan{uses_mrv}) {
816 $mrv_join = 'INNER JOIN metabib.record_attr_vector_list mrv ON m.source = mrv.source';
820 if ($$flat_plan{uses_mrd}) {
821 $mra_join = 'INNER JOIN metabib.record_attr mrd ON m.source = mrd.id';
824 my $pubdate_join = "LEFT JOIN metabib.record_sorter pubdate_t ON m.source = pubdate_t.source AND attr = 'pubdate'";
827 if ($self->find_modifier('deleted')) {
828 $bre_join = 'INNER JOIN biblio.record_entry bre ON m.source = bre.id AND bre.deleted';
829 # The above suffices for filters too when the #deleted modifier
831 } elsif ($$flat_plan{uses_bre}) {
832 $bre_join = 'INNER JOIN biblio.record_entry bre ON m.source = bre.id';
836 $desc = 'DESC' if ($self->find_modifier('descending'));
838 my $nullpos = 'NULLS LAST';
839 $nullpos = 'NULLS FIRST' if ($self->find_modifier('nullsfirst'));
841 # Do we have a badges() filter?
843 my ($badge_filter) = $self->find_filter('badges');
844 if ($badge_filter && @{$badge_filter->args}) {
845 $badges = join (',', grep /^\d+$/, @{$badge_filter->args});
848 # Do we have a badge_orgs() filter? (used for calculating popularity)
850 my ($bo_filter) = $self->find_filter('badge_orgs');
851 if ($bo_filter && @{$bo_filter->args}) {
852 $borgs = join (',', grep /^\d+$/, @{$bo_filter->args});
855 # Build the badge-ish WITH query
856 my $pop_with = <<' WITH';
859 ARRAY_AGG(badge) AS badges,
860 SUM(s.score::NUMERIC*b.weight::NUMERIC)/SUM(b.weight::NUMERIC) AS total_score
861 FROM rating.record_badge_score s
862 JOIN rating.badge b ON (
866 $pop_with .= " AND b.id = ANY ('{$badges}')" if ($badges);
867 $pop_with .= " AND b.scope = ANY ('{$borgs}')" if ($borgs);
868 $pop_with .= ') GROUP BY 1)';
870 my $pop_join = $badges ? # inner join if we are restricting via badges()
871 'INNER JOIN pop_with ON ( m.source = pop_with.record )' :
872 'LEFT JOIN pop_with ON ( m.source = pop_with.record )';
874 $$flat_plan{with} .= ',' if $$flat_plan{with};
875 $$flat_plan{with} .= $pop_with;
879 my $pop_extra_sort = '';
880 if (grep {$_ eq $sort_filter} @{$self->QueryParser->dynamic_sorters}) {
881 $rank = "FIRST((SELECT value FROM metabib.record_sorter rbr WHERE rbr.source = m.source and attr = '$sort_filter'))"
882 } elsif ($sort_filter eq 'create_date') {
883 $rank = "FIRST((SELECT create_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
884 } elsif ($sort_filter eq 'edit_date') {
885 $rank = "FIRST((SELECT edit_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
886 } elsif ($sort_filter eq 'poprel') {
887 $rank = '1.0/((' . $rel . ') * (1.0 + AVG(COALESCE(pop_with.total_score::NUMERIC,0.0)) / 5.0))::NUMERIC';
888 } elsif ($sort_filter =~ /^pop/) {
889 $rank = '1.0/(AVG(COALESCE(pop_with.total_score::NUMERIC,0.0)) + 5.0)::NUMERIC';
890 my $pop_desc = $desc eq 'ASC' ? 'DESC' : 'ASC';
891 $pop_extra_sort = "3 $pop_desc $nullpos,";
893 # default to rel ranking
894 $rank = "1.0/($rel)::NUMERIC";
897 my $key = 'm.source';
898 $key = 'm.metarecord' if (grep {$_->name eq 'metarecord' or $_->name eq 'metabib'} @{$self->modifiers});
900 my $core_limit = $self->QueryParser->core_limit || 25000;
901 $core_limit = 1 if($self->find_modifier('lucky'));
903 my $flat_where = $$flat_plan{where};
904 if ($flat_where ne '') {
905 $flat_where = "AND (\n" . ${spc} x 5 . $flat_where . "\n" . ${spc} x 4 . ")";
907 my $with = $$flat_plan{with};
908 $with= "\nWITH $with" if $with;
910 # Need an array for query parser db function; this gives a better plan
911 # than the ARRAY_AGG(DISTINCT m.source) option as of PostgreSQL 9.1
912 my $agg_records = 'ARRAY[m.source] AS records';
913 if ($key =~ /metarecord/) {
914 # metarecord searches still require the ARRAY_AGG approach
915 $agg_records = 'ARRAY_AGG(DISTINCT m.source) AS records';
924 FIRST(pubdate_t.value) AS tie_break,
925 STRING_AGG(ARRAY_TO_STRING(pop_with.badges,','),',') AS badges,
926 AVG(COALESCE(pop_with.total_score::NUMERIC,0.0))::NUMERIC(2,1) AS popularity
927 FROM metabib.metarecord_source_map m
938 ORDER BY 4 $desc $nullpos, $pop_extra_sort 5 DESC $nullpos, 3 DESC
942 warn $sql if $self->QueryParser->debug;
950 die 'ERROR: nesting too deep or boolean list too long' if ($self->plan_level > 40);
952 my $from = shift || '';
953 my $where = shift || '';
960 for my $node ( @{$self->query_nodes} ) {
963 if ($node->isa( 'QueryParser::query_plan::node' )) {
965 unless (@{$node->only_atoms}) {
966 push @rank_list, '1';
971 my $table = $node->table;
972 my $ctable = $node->combined_table;
973 my $talias = $node->table_alias;
975 my $node_rank = 'COALESCE(' . $node->rank . " * ${talias}.weight, 0.0)";
977 $from .= "\n" . ${spc} x 4 ."LEFT JOIN (\n"
978 . ${spc} x 5 . "SELECT fe.*, fe_weight.weight, ${talias}_xq.tsq, ${talias}_xq.tsq_rank /* search */\n"
979 . ${spc} x 6 . "FROM $table AS fe";
980 $from .= "\n" . ${spc} x 7 . "JOIN config.metabib_field AS fe_weight ON (fe_weight.id = fe.field)";
984 if (@{$node->fields} > 0) {
985 @bump_fields = @{$node->fields};
987 @field_ids = grep defined, (
989 $self->QueryParser->search_field_ids_by_class(
995 @bump_fields = @{$self->QueryParser->search_fields->{$node->classname}};
998 if ($node->dummy_count < @{$node->only_atoms} ) {
999 $with .= ",\n " if $with;
1000 $with .= "${talias}_xq AS (SELECT ". $node->tsquery ." AS tsq,". $node->tsquery_rank ." AS tsq_rank )";
1001 if ($node->combined_search) {
1002 $from .= "\n" . ${spc} x 6 . "JOIN $ctable AS com ON (com.record = fe.source";
1004 $from .= " AND com.metabib_field IN (" . join(',',@field_ids) . "))";
1006 $from .= " AND com.metabib_field IS NULL)";
1008 $from .= "\n" . ${spc} x 6 . "JOIN ${talias}_xq ON (com.index_vector @@ ${talias}_xq.tsq)";
1010 $from .= "\n" . ${spc} x 6 . "JOIN ${talias}_xq ON (fe.index_vector @@ ${talias}_xq.tsq)";
1013 $from .= "\n" . ${spc} x 6 . ", (SELECT NULL::tsquery AS tsq, NULL:tsquery AS tsq_rank ) AS ${talias}_xq";
1017 $from .= "\n" . ${spc} x 6 . "WHERE fe_weight.id IN (" .
1018 join(',', @field_ids) . ")";
1021 $from .= "\n" . ${spc} x 4 . ") AS $talias ON (m.source = ${talias}.source)";
1026 for my $field ( @bump_fields ) {
1027 my $bumps = $self->QueryParser->find_relevance_bumps( $node->classname => $field );
1028 for my $b (keys %$bumps) {
1029 next if (!$$bumps{$b}{active});
1030 next if ($used_bumps{$b});
1031 $used_bumps{$b} = 1;
1033 next if ($$bumps{$b}{multiplier} == 1); # optimization to remove unneeded bumps
1035 push @bumpmults, $$bumps{$b}{multiplier};
1039 if(scalar @bumps > 0 && scalar @{$node->only_positive_atoms} > 0) {
1040 # Note: Previous rank function used search_normalize outright. Duplicating that here.
1041 $node_rank .= "\n" . ${spc} x 5 . "* evergreen.rel_bump(('{' || quote_literal(search_normalize(";
1042 $node_rank .= join(")) || ',' || quote_literal(search_normalize(",map { $self->QueryParser->quote_phrase_value($_->content) } @{$node->only_positive_atoms});
1043 $node_rank .= ")) || '}')::TEXT[], " . $node->table_alias . ".value, '{" . join(",",@bumps) . "}'::TEXT[], '{" . join(",",@bumpmults) . "}'::NUMERIC[])";
1047 $NOT = 'NOT ' if $node->negate;
1049 $where .= "$NOT(" . $talias . ".id IS NOT NULL";
1050 if (@{$node->phrases}) {
1051 $where .= ' AND ' . join(' AND ', map {
1052 "${talias}.value ~* ".$self->QueryParser->quote_phrase_value($_, 1)
1053 } @{$node->phrases});
1055 for my $atom (@{$node->only_real_atoms}) {
1056 next unless $atom->{content} && $atom->{content} =~ /(^\^|\$$)/;
1057 $where .= " AND ${talias}.value ~* ".$self->QueryParser->quote_phrase_value($atom->{content});
1062 push @rank_list, $node_rank;
1064 } elsif ($node->isa( 'QueryParser::query_plan::facet' )) {
1066 my $talias = $node->table_alias;
1069 if (@{$node->fields} > 0) {
1070 push(@field_ids, $self->QueryParser->facet_field_ids_by_class( $node->classname, $_ )->[0]) for (@{$node->fields});
1072 @field_ids = @{ $self->QueryParser->facet_field_ids_by_class( $node->classname ) };
1075 my $join_type = ($node->negate or !$self->top_plan) ? 'LEFT' : 'INNER';
1076 $from .= "\n${spc}$join_type JOIN /* facet */ metabib.facet_entry $talias ON (\n"
1077 . ${spc} x 2 . "m.source = ${talias}.source\n"
1078 . ${spc} x 2 . "AND SUBSTRING(${talias}.value,1,1024) IN ("
1079 . join(",", map { $self->QueryParser->quote_value($_) } @{$node->values}) . ")\n"
1080 . ${spc} x 2 ."AND ${talias}.field IN (". join(',', @field_ids) . ")\n"
1083 if ($join_type ne 'INNER') {
1084 my $NOT = $node->negate ? '' : ' NOT';
1085 $where .= "${talias}.id IS$NOT NULL";
1086 } elsif ($where ne '') {
1087 # Strip extra joiner
1088 $where =~ s/(\s|\n)+(AND|OR)\s$//;
1092 my $subnode = $node->flatten;
1094 # strip the trailing bool from the previous loop if there is
1095 # nothing to add to the where within this loop.
1096 if ($$subnode{where} eq '') {
1097 $where =~ s/(\s|\n)+(AND|OR)\s$//;
1100 push(@rank_list, @{$$subnode{rank_list}});
1101 $from .= $$subnode{from};
1104 $NOT = 'NOT ' if $node->negate;
1106 if ($$subnode{where} ne '') {
1108 . ${spc} x ($self->plan_level + 6) . $$subnode{where} . "\n"
1109 . ${spc} x ($self->plan_level + 5) . ')';
1112 if ($$subnode{with}) {
1113 $with .= ",\n " if $with;
1114 $with .= $$subnode{with};
1117 $uses_bre = $$subnode{uses_bre};
1118 $uses_mrd = $$subnode{uses_mrd};
1119 $uses_mrv = $$subnode{uses_mrv};
1123 warn "flatten(): appending WHERE bool to: $where\n" if $self->QueryParser->debug;
1126 $where .= "\n" . ${spc} x ( $self->plan_level + 5 ) . 'AND ' if ($node eq '&');
1127 $where .= "\n" . ${spc} x ( $self->plan_level + 5 ) . 'OR ' if ($node eq '|');
1132 my $joiner = "\n" . ${spc} x ( $self->plan_level + 5 ) . ($self->joiner eq '&' ? 'AND ' : 'OR ');
1136 # for each dynamic filter, build more of the WHERE clause
1137 for my $filter (@{$self->filters}) {
1138 my $NOT = $filter->negate ? 'NOT ' : '';
1139 if (grep { $_ eq $filter->name } @{ $self->QueryParser->dynamic_filters }) {
1141 my $fname = $filter->name;
1142 $fname = 'item_lang' if $fname eq 'language'; #XXX filter aliases
1144 warn "flatten(): processing dynamic filter ". $filter->name ."\n"
1145 if $self->QueryParser->debug;
1148 ($vlist_query, $common) = $self->dynamic_filter_compile( $fname, $filter->args, $filter->negate );
1150 # bool joiner for intra-plan nodes/filters
1151 push(@dlist, $self->joiner) if @dlist;
1152 push(@dlist, $vlist_query);
1155 if ($filter->name eq 'before') {
1156 if (@{$filter->args} == 1) {
1157 $where .= $joiner if $where ne '';
1158 $where .= "${NOT}COALESCE(pubdate_t.value <= "
1159 . $self->QueryParser->quote_value($filter->args->[0])
1162 } elsif ($filter->name eq 'after') {
1163 if (@{$filter->args} == 1) {
1164 $where .= $joiner if $where ne '';
1165 $where .= "${NOT}COALESCE(pubdate_t.value >= "
1166 . $self->QueryParser->quote_value($filter->args->[0])
1169 } elsif ($filter->name eq 'during') {
1170 if (@{$filter->args} == 1) {
1171 $where .= $joiner if $where ne '';
1172 $where .= "${NOT}COALESCE("
1173 . $self->QueryParser->quote_value($filter->args->[0])
1174 . " BETWEEN pubdate_t.value AND (mrd.attrs->'date2'), false)";
1177 } elsif ($filter->name eq 'between') {
1178 if (@{$filter->args} == 2) {
1179 $where .= $joiner if $where ne '';
1180 $where .= "${NOT}COALESCE(pubdate_t.value BETWEEN "
1181 . $self->QueryParser->quote_value($filter->args->[0])
1183 . $self->QueryParser->quote_value($filter->args->[1])
1186 } elsif ($filter->name eq 'container') {
1187 if (@{$filter->args} >= 3) {
1188 my ($class, $ctype, $cid, $token) = @{$filter->args};
1191 my $rec_field = 'ci.target_biblio_record_entry';
1192 if ($class eq 'bre') {
1193 $class = 'biblio_record_entry';
1194 } elsif ($class eq 'acn') {
1195 $class = 'call_number';
1196 $rec_field = 'cn.record';
1197 $rec_join = 'JOIN asset.call_number cn ON (ci.target_call_number = cn.id)';
1198 } elsif ($class eq 'acp') {
1200 $rec_field = 'cn.record';
1201 $rec_join = 'JOIN asset.copy cp ON (ci.target_copy = cp.id) JOIN asset.call_number cn ON (cp.call_number = cn.id)';
1207 my ($u,$e) = $apputils->checksesperm($token) if ($token);
1208 $perm_join = ' OR c.owner = ' . $u->id if ($u && !$e);
1210 my $filter_alias = "$filter";
1211 $filter_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
1212 $filter_alias =~ s/\|/_/go;
1214 $with .= ",\n " if $with;
1215 $with .= "container_${filter_alias} AS (\n";
1216 $with .= " SELECT $rec_field AS record FROM container.${class}_bucket_item ci\n"
1217 . " JOIN container.${class}_bucket c ON (c.id = ci.bucket) $rec_join\n"
1218 . " WHERE c.btype = " . $self->QueryParser->quote_value($ctype) . "\n"
1219 . " AND c.id = " . $self->QueryParser->quote_value($cid) . "\n"
1220 . " AND (c.pub IS TRUE$perm_join)\n";
1221 if ($class eq 'copy') {
1223 . " SELECT pr.peer_record AS record FROM container.copy_bucket_item ci\n"
1224 . " JOIN container.copy_bucket c ON (c.id = ci.bucket)\n"
1225 . " JOIN biblio.peer_bib_copy_map pr ON ci.target_copy = pr.target_copy\n"
1226 . " WHERE c.btype = " . $self->QueryParser->quote_value($ctype) . "\n"
1227 . " AND c.id = " . $self->QueryParser->quote_value($cid) . "\n"
1228 . " AND (c.pub IS TRUE$perm_join)\n";
1232 my $optimize_join = 1 if $self->top_plan and !$NOT;
1233 $from .= "\n" . ${spc} x 3 . ( $optimize_join ? 'INNER' : 'LEFT') . " JOIN container_${filter_alias} ON container_${filter_alias}.record = m.source";
1235 if (!$optimize_join) {
1236 $where .= $joiner if $where ne '';
1237 $where .= "(container_${filter_alias} IS " . ( $NOT ? 'NULL)' : 'NOT NULL)');
1241 } elsif ($filter->name eq 'record_list') {
1242 if (@{$filter->args} > 0) {
1243 my $key = 'm.source';
1244 $key = 'm.metarecord' if (grep {$_->name eq 'metarecord' or $_->name eq 'metabib'} @{$self->QueryParser->parse_tree->modifiers});
1245 $where .= $joiner if $where ne '';
1246 $where .= "$key ${NOT}IN (" . join(',', map { $self->QueryParser->quote_value($_) } @{$filter->args}) . ')';
1249 } elsif ($filter->name eq 'has_browse_entry') {
1250 if (@{$filter->args} >= 2) {
1251 my $entry = int(shift @{$filter->args});
1252 my $fields = join(",", map(int, @{$filter->args}));
1253 $from .= "\n" . $spc x 3 . sprintf("INNER JOIN metabib.browse_entry_def_map mbedm ON (mbedm.source = m.source AND mbedm.entry = %d AND mbedm.def IN (%s))", $entry, $fields);
1255 } elsif ($filter->name eq 'edit_date' or $filter->name eq 'create_date') {
1256 # bre.create_date and bre.edit_date filtering
1257 my $datefilter = $filter->name;
1261 if ($filter && $filter->args && scalar(@{$filter->args}) > 0 && scalar(@{$filter->args}) < 3) {
1262 my ($cstart, $cend) = @{$filter->args};
1264 if (!$cstart and !$cend) {
1265 # useless use of filter
1266 } elsif (!$cstart or $cstart eq '-infinity') { # no start supplied
1267 if ($cend eq 'infinity') {
1268 # useless use of filter
1271 $cend = cleanse_ISO8601($cend);
1272 $where .= $joiner if $where ne '';
1273 $where .= "bre.$datefilter <= \$_$$\$$cend\$_$$\$";
1276 } elsif (!$cend or $cend eq 'infinity') { # no end supplied
1277 if ($cstart eq '-infinity') {
1278 # useless use of filter
1279 } else { # "after $cstart"
1280 $cstart = cleanse_ISO8601($cstart);
1281 $where .= $joiner if $where ne '';
1282 $where .= "bre.$datefilter >= \$_$$\$$cstart\$_$$\$";
1284 } else { # both supplied
1285 # "between $cstart and $cend"
1286 $cstart = cleanse_ISO8601($cstart);
1287 $cend = cleanse_ISO8601($cend);
1288 $where .= $joiner if $where ne '';
1289 $where .= "bre.$datefilter BETWEEN \$_$$\$$cstart\$_$$\$ AND \$_$$\$$cend\$_$$\$";
1292 } elsif ($filter->name eq 'bib_source') {
1295 if (@{$filter->args} > 0) {
1296 $where .= $joiner if $where ne '';
1297 $where .= "${NOT}COALESCE(bre.source IN ("
1298 . join(',', map { $self->QueryParser->quote_value($_) } @{ $filter->args })
1307 $where .= $joiner if $where ne '';
1308 if ($common) { # Use a function wrapper to inform PG of the non-rareness of one or more filter elements
1310 'evergreen.query_int_wrapper(mrv.vlist, \'%s\')',
1315 'mrv.vlist @@ \'%s\'',
1321 warn "flatten(): full filter where => $where\n" if $self->QueryParser->debug;
1324 rank_list => \@rank_list,
1328 uses_bre => $uses_bre,
1329 uses_mrv => $uses_mrv,
1330 uses_mrd => $uses_mrd
1335 #-------------------------------
1336 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::filter;
1337 use base 'QueryParser::query_plan::filter';
1339 #-------------------------------
1340 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::facet;
1341 use base 'QueryParser::query_plan::facet';
1345 my ($classname) = split '\|', $self->name;
1351 my ($classname,@fields) = split '\|', $self->name;
1358 my $table_alias = "$self";
1359 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
1360 $table_alias .= '_' . $self->name;
1361 $table_alias =~ s/\|/_/go;
1363 return $table_alias;
1367 #-------------------------------
1368 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::modifier;
1369 use base 'QueryParser::query_plan::modifier';
1371 #-------------------------------
1372 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node::atom;
1373 use base 'QueryParser::query_plan::node::atom';
1379 $self->{sql} = $sql if ($sql);
1381 return $self->{sql} if ($self->{sql});
1382 return $self->buildSQL;
1388 my $classname = $self->node->classname;
1390 return $self->sql("to_tsquery('$classname','')") if $self->{dummy};
1392 my $normalizers = $self->node->plan->QueryParser->query_normalizers( $classname );
1393 my $fields = $self->node->fields;
1396 my $filter = $self->node->plan->find_filter('preferred_language');
1397 $lang ||= $filter->args->[0] if ($filter && $filter->args);
1398 $lang ||= $self->node->plan->QueryParser->default_preferred_language;
1399 my $ts_configs = [];
1401 if (@{$self->node->phrases}) {
1402 # We assume we want 'simple' for phrases. Gives us less to match against later.
1403 $ts_configs = ['simple'];
1406 $ts_configs = $self->node->plan->QueryParser->class_ts_config($classname, $lang);
1408 for my $field (@$fields) {
1409 push @$ts_configs, @{$self->node->plan->QueryParser->field_ts_config($classname, $field, $lang)};
1412 $ts_configs = [keys %{{map { $_ => 1 } @$ts_configs}}];
1415 # Assume we want exact if none otherwise provided.
1416 # Because we can reasonably expect this to exist
1417 $ts_configs = ['simple'] unless (scalar @$ts_configs);
1419 $fields = $self->node->plan->QueryParser->search_fields->{$classname} if (!@$fields);
1423 for my $field (@$fields) {
1424 for my $nfield (keys %$normalizers) {
1425 for my $nizer ( @{$$normalizers{$nfield}} ) {
1426 if ($field eq $nfield) {
1427 my $param_string = OpenSRF::Utils::JSON->perl2JSON($nizer->{params});
1428 if (!exists($norms{$nizer->{function}.$param_string})) {
1429 $norms{$nizer->{function}.$param_string} = {p=>$pos++,n=>$nizer};
1436 my $sql = $self->node->plan->QueryParser->quote_value($self->content);
1438 for my $n ( map { $$_{n} } sort { $$a{p} <=> $$b{p} } values %norms ) {
1439 $sql = join(', ', $sql, map { $self->node->plan->QueryParser->quote_value($_) } @{ $n->{params} });
1440 $sql = $n->{function}."($sql)";
1443 my $prefix = $self->prefix || '';
1444 my $suffix = $self->suffix || '';
1445 my $joiner = ' || ';
1446 $joiner = ' && ' if $self->prefix eq '!'; # Negative atoms should be "none of the variants" instead of "any of the variants"
1448 $prefix = "'$prefix' ||" if $prefix;
1450 my $suffix_after = '';
1452 $suffix_op = ":$suffix" if $suffix;
1453 $suffix_after = "|| '$suffix_op'" if $suffix;
1456 for my $ts_config (@$ts_configs) {
1457 push @sql_set, "to_tsquery('$ts_config', COALESCE(NULLIF($prefix '(' || btrim(regexp_replace($sql,E'(?:\\\\s+|:)','$suffix_op&','g'),'&|') $suffix_after || ')', '()'), ''))";
1460 $sql = join($joiner, @sql_set);
1461 $sql = '(' . $sql . ')' if (scalar(@$ts_configs) > 1);
1463 return $self->sql($sql);
1466 #-------------------------------
1467 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node;
1468 use base 'QueryParser::query_plan::node';
1473 $self->{dummy_count} = 0;
1475 my $atoms = $self->query_atoms;
1477 for my $a (@$atoms) {
1478 push(@only_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom'));
1479 $self->{dummy_count}++ if (ref($a) && $a->{dummy});
1482 return \@only_atoms;
1485 sub only_real_atoms {
1488 my $atoms = $self->query_atoms;
1489 my @only_real_atoms;
1490 for my $a (@$atoms) {
1491 push(@only_real_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom') && !($a->{dummy}));
1494 return \@only_real_atoms;
1497 sub only_positive_atoms {
1500 my $atoms = $self->query_atoms;
1501 my @only_positive_atoms;
1502 for my $a (@$atoms) {
1503 push(@only_positive_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom') && !($a->{dummy}) && ($a->{prefix} ne '!'));
1506 return \@only_positive_atoms;
1511 return $self->{dummy_count};
1517 $self->{table} = $table if ($table);
1518 return $self->{table} if $self->{table};
1519 return $self->table( 'metabib.' . $self->classname . '_field_entry' );
1522 sub combined_table {
1525 $self->{ctable} = $ctable if ($ctable);
1526 return $self->{ctable} if $self->{ctable};
1527 return $self->combined_table( 'metabib.combined_' . $self->classname . '_field_entry' );
1530 sub combined_search {
1532 return $self->plan->QueryParser->search_class_combined($self->classname);
1537 my $table_alias = shift;
1538 $self->{table_alias} = $table_alias if ($table_alias);
1539 return $self->{table_alias} if ($self->{table_alias});
1541 $table_alias = "$self";
1542 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
1543 $table_alias .= '_' . $self->requested_class;
1544 $table_alias =~ s/\|/_/go;
1546 return $self->table_alias( $table_alias );
1551 return $self->{tsquery} if ($self->{tsquery});
1553 for my $atom (@{$self->query_atoms}) {
1555 $self->{tsquery} .= "\n" . ${spc} x 3 . $atom->sql;
1557 $self->{tsquery} .= $atom x 2;
1561 return $self->{tsquery};
1566 return $self->{tsquery_rank} if ($self->{tsquery_rank});
1569 for my $atom (@{$self->only_positive_atoms}) {
1570 push @atomlines, "\n" . ${spc} x 3 . $atom->sql;
1572 $self->{tsquery_rank} = join(' ||', @atomlines);
1573 $self->{tsquery_rank} = 'NULL::tsquery' unless $self->{tsquery_rank};
1574 return $self->{tsquery_rank};
1579 return $self->{rank} if ($self->{rank});
1581 my $rank_norm_map = $self->plan->QueryParser->custom_data->{rank_cd_weight_map};
1583 my $cover_density = 0;
1584 for my $norm ( keys %$rank_norm_map) {
1585 $cover_density += $$rank_norm_map{$norm} if ($self->plan->QueryParser->parse_tree->find_modifier($norm));
1588 my $weights = join(', ', @{$self->plan->QueryParser->search_class_weights($self->classname)});
1590 return $self->{rank} = "ts_rank_cd('{" . $weights . "}', " . $self->table_alias . '.index_vector, ' . $self->table_alias . ".tsq_rank, $cover_density)";