1 package OpenILS::Application::Storage::Driver::Pg::QueryParser;
2 use OpenILS::Application::Storage::QueryParser;
3 use base 'QueryParser';
4 use OpenSRF::Utils::JSON;
5 use OpenILS::Application::AppUtils;
6 my $U = 'OpenILS::Application::AppUtils';
12 if ($value =~ /^\d/) { # may have to use non-$ quoting
14 $value =~ s/\\/\\\\/g;
17 return "\$_$$\$$value\$_$$\$";
20 sub quote_phrase_value {
24 my $left_anchored = $value =~ m/^\^/;
25 my $right_anchored = $value =~ m/\$$/;
26 $value =~ s/\^// if $left_anchored;
27 $value =~ s/\$$// if $right_anchored;
28 $value =~ quotemeta($value);
29 $value = '^' . $value if $left_anchored;
30 $value = "$value\$" if $right_anchored;
31 return $self->quote_value($value);
39 sub default_preferred_language {
43 $self->custom_data->{default_preferred_language} = $lang if ($lang);
44 return $self->custom_data->{default_preferred_language};
47 sub default_preferred_language_multiplier {
51 $self->custom_data->{default_preferred_language_multiplier} = $lang if ($lang);
52 return $self->custom_data->{default_preferred_language_multiplier};
58 return 0 unless $self->parse_tree;
59 return 0 if @{$self->parse_tree->filters};
60 return 0 if @{$self->parse_tree->modifiers};
61 for my $node ( @{ $self->parse_tree->query_nodes } ) {
62 return 0 if (!ref($node) && $node eq '|');
63 next unless (ref($node));
64 return 0 if ($node->isa('QueryParser::query_plan'));
72 return $self->parse_tree->toSQL;
75 sub facet_field_id_map {
79 $self->custom_data->{facet_field_id_map} ||= {};
80 $self->custom_data->{facet_field_id_map} = $map if ($map);
81 return $self->custom_data->{facet_field_id_map};
84 sub add_facet_field_id_map {
91 $self->add_facet_field( $class => $field );
92 $self->facet_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
93 $self->facet_field_id_map->{by_class}{$class}{$field} = $id;
96 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
97 by_class => { $class => { $field => $id } }
101 sub facet_field_class_by_id {
105 return $self->facet_field_id_map->{by_id}{$id};
108 sub facet_field_ids_by_class {
113 return undef unless ($class);
116 return [$self->facet_field_id_map->{by_class}{$class}{$field}];
119 return [values( %{ $self->facet_field_id_map->{by_class}{$class} } )];
122 sub search_field_id_map {
126 $self->custom_data->{search_field_id_map} ||= {};
127 $self->custom_data->{search_field_id_map} = $map if ($map);
128 return $self->custom_data->{search_field_id_map};
131 sub add_search_field_id_map {
138 $self->add_search_field( $class => $field );
139 $self->search_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
140 $self->search_field_id_map->{by_class}{$class}{$field} = $id;
143 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
144 by_class => { $class => { $field => $id } }
148 sub search_field_class_by_id {
152 return $self->search_field_id_map->{by_id}{$id};
155 sub search_field_ids_by_class {
160 return undef unless ($class);
163 return [$self->search_field_id_map->{by_class}{$class}{$field}];
166 return [values( %{ $self->search_field_id_map->{by_class}{$class} } )];
169 sub relevance_bumps {
173 $self->custom_data->{rel_bumps} ||= {};
174 $self->custom_data->{rel_bumps} = $bumps if ($bumps);
175 return $self->custom_data->{rel_bumps};
178 sub find_relevance_bumps {
183 return $self->relevance_bumps->{$class}{$field};
186 sub add_relevance_bump {
191 my $multiplier = shift;
194 $active = 1 if (!defined($active));
196 $self->relevance_bumps->{$class}{$field}{$type} = { multiplier => $multiplier, active => $active };
198 return { $class => { $field => { $type => { multiplier => $multiplier, active => $active } } } };
202 sub initialize_search_field_id_map {
204 my $cmf_list = shift;
206 for my $cmf (@$cmf_list) {
207 __PACKAGE__->add_search_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->search_field));
208 __PACKAGE__->add_facet_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->facet_field));
211 return $self->search_field_id_map;
214 sub initialize_aliases {
216 my $cmsa_list = shift;
218 for my $cmsa (@$cmsa_list) {
220 __PACKAGE__->add_search_class_alias( $cmsa->field_class, $cmsa->alias );
222 my $c = $self->search_field_class_by_id( $cmsa->field );
223 __PACKAGE__->add_search_field_alias( $cmsa->field_class, $c->{field}, $cmsa->alias );
228 sub initialize_relevance_bumps {
230 my $sra_list = shift;
232 for my $sra (@$sra_list) {
233 my $c = $self->search_field_class_by_id( $sra->field );
234 __PACKAGE__->add_relevance_bump( $c->{classname}, $c->{field}, $sra->bump_type, $sra->multiplier );
237 return $self->relevance_bumps;
240 sub initialize_normalizers {
242 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" }] }
244 for my $cmfinm ( @$tree ) {
245 my $field_info = $self->search_field_class_by_id( $cmfinm->field );
246 __PACKAGE__->add_query_normalizer( $field_info->{classname}, $field_info->{field}, $cmfinm->norm->func, OpenSRF::Utils::JSON->JSON2perl($cmfinm->params) );
251 sub initialization_complete {
259 return $_complete if ($_complete);
261 $self->initialize_search_field_id_map( $args{config_metabib_field} )
262 if ($args{config_metabib_field});
264 $self->initialize_aliases( $args{config_metabib_search_alias} )
265 if ($args{config_metabib_search_alias});
267 $self->initialize_relevance_bumps( $args{search_relevance_adjustment} )
268 if ($args{search_relevance_adjustment});
270 $self->initialize_normalizers( $args{config_metabib_field_index_norm_map} )
271 if ($args{config_metabib_field_index_norm_map});
274 $args{config_metabib_field_index_norm_map} &&
275 $args{search_relevance_adjustment} &&
276 $args{config_metabib_search_alias} &&
277 $args{config_metabib_field}
285 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
287 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
288 __PACKAGE__->add_relevance_bump( series => seriestitle => first_word => 1.5 );
289 __PACKAGE__->add_relevance_bump( series => seriestitle => full_match => 20 );
291 __PACKAGE__->add_search_field_id_map( title => abbreviated => 2 => 1 );
292 __PACKAGE__->add_relevance_bump( title => abbreviated => first_word => 1.5 );
293 __PACKAGE__->add_relevance_bump( title => abbreviated => full_match => 20 );
295 __PACKAGE__->add_search_field_id_map( title => translated => 3 => 1 );
296 __PACKAGE__->add_relevance_bump( title => translated => first_word => 1.5 );
297 __PACKAGE__->add_relevance_bump( title => translated => full_match => 20 );
299 __PACKAGE__->add_search_field_id_map( title => proper => 6 => 1 );
300 __PACKAGE__->add_query_normalizer( title => proper => 'naco_normalize' );
301 __PACKAGE__->add_relevance_bump( title => proper => first_word => 1.5 );
302 __PACKAGE__->add_relevance_bump( title => proper => full_match => 20 );
303 __PACKAGE__->add_relevance_bump( title => proper => word_order => 10 );
305 __PACKAGE__->add_search_field_id_map( author => coporate => 7 => 1 );
306 __PACKAGE__->add_relevance_bump( author => coporate => first_word => 1.5 );
307 __PACKAGE__->add_relevance_bump( author => coporate => full_match => 20 );
309 __PACKAGE__->add_facet_field_id_map( author => personal => 8 => 1 );
311 __PACKAGE__->add_search_field_id_map( author => personal => 8 => 1 );
312 __PACKAGE__->add_relevance_bump( author => personal => first_word => 1.5 );
313 __PACKAGE__->add_relevance_bump( author => personal => full_match => 20 );
314 __PACKAGE__->add_query_normalizer( author => personal => 'naco_normalize' );
315 __PACKAGE__->add_query_normalizer( author => personal => 'split_date_range' );
317 __PACKAGE__->add_facet_field_id_map( subject => topic => 14 => 1 );
319 __PACKAGE__->add_search_field_id_map( subject => topic => 14 => 1 );
320 __PACKAGE__->add_relevance_bump( subject => topic => first_word => 1 );
321 __PACKAGE__->add_relevance_bump( subject => topic => full_match => 1 );
323 __PACKAGE__->add_search_field_id_map( subject => complete => 16 => 1 );
324 __PACKAGE__->add_relevance_bump( subject => complete => first_word => 1 );
325 __PACKAGE__->add_relevance_bump( subject => complete => full_match => 1 );
327 __PACKAGE__->add_search_field_id_map( keyword => keyword => 15 => 1 );
328 __PACKAGE__->add_relevance_bump( keyword => keyword => first_word => 1 );
329 __PACKAGE__->add_relevance_bump( keyword => keyword => full_match => 1 );
332 __PACKAGE__->add_search_class_alias( keyword => 'kw' );
333 __PACKAGE__->add_search_class_alias( title => 'ti' );
334 __PACKAGE__->add_search_class_alias( author => 'au' );
335 __PACKAGE__->add_search_class_alias( author => 'name' );
336 __PACKAGE__->add_search_class_alias( author => 'dc.contributor' );
337 __PACKAGE__->add_search_class_alias( subject => 'su' );
338 __PACKAGE__->add_search_class_alias( subject => 'bib.subject(?:Title|Place|Occupation)' );
339 __PACKAGE__->add_search_class_alias( series => 'se' );
340 __PACKAGE__->add_search_class_alias( keyword => 'dc.identifier' );
342 __PACKAGE__->add_query_normalizer( author => corporate => 'naco_normalize' );
343 __PACKAGE__->add_query_normalizer( keyword => keyword => 'naco_normalize' );
345 __PACKAGE__->add_search_field_alias( subject => name => 'bib.subjectName' );
349 __PACKAGE__->default_search_class( 'keyword' );
351 __PACKAGE__->add_search_filter( 'audience' );
352 __PACKAGE__->add_search_filter( 'vr_format' );
353 __PACKAGE__->add_search_filter( 'format' );
354 __PACKAGE__->add_search_filter( 'item_type' );
355 __PACKAGE__->add_search_filter( 'item_form' );
356 __PACKAGE__->add_search_filter( 'lit_form' );
357 __PACKAGE__->add_search_filter( 'locations' );
358 __PACKAGE__->add_search_filter( 'site' );
359 __PACKAGE__->add_search_filter( 'lasso' );
360 __PACKAGE__->add_search_filter( 'my_lasso' );
361 __PACKAGE__->add_search_filter( 'depth' );
362 __PACKAGE__->add_search_filter( 'sort' );
363 __PACKAGE__->add_search_filter( 'language' );
364 __PACKAGE__->add_search_filter( 'preferred_language' );
365 __PACKAGE__->add_search_filter( 'preferred_language_weight' );
366 __PACKAGE__->add_search_filter( 'preferred_language_multiplier' );
367 __PACKAGE__->add_search_filter( 'statuses' );
368 __PACKAGE__->add_search_filter( 'bib_level' );
369 __PACKAGE__->add_search_filter( 'before' );
370 __PACKAGE__->add_search_filter( 'after' );
371 __PACKAGE__->add_search_filter( 'between' );
372 __PACKAGE__->add_search_filter( 'during' );
373 __PACKAGE__->add_search_filter( 'offset' );
374 __PACKAGE__->add_search_filter( 'limit' );
375 __PACKAGE__->add_search_filter( 'core_limit' );
376 __PACKAGE__->add_search_filter( 'check_limit' );
377 __PACKAGE__->add_search_filter( 'skip_check' );
378 __PACKAGE__->add_search_filter( 'superpage' );
379 __PACKAGE__->add_search_filter( 'superpage_size' );
380 __PACKAGE__->add_search_filter( 'estimation_strategy' );
382 __PACKAGE__->add_search_modifier( 'available' );
383 __PACKAGE__->add_search_modifier( 'descending' );
384 __PACKAGE__->add_search_modifier( 'ascending' );
385 __PACKAGE__->add_search_modifier( 'metarecord' );
386 __PACKAGE__->add_search_modifier( 'metabib' );
387 __PACKAGE__->add_search_modifier( 'staff' );
390 #-------------------------------
391 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan;
392 use base 'QueryParser::query_plan';
393 use OpenSRF::Utils::Logger qw($logger);
400 my ($format) = $self->find_filter('format');
402 my ($t,$f) = split('-', $format->args->[0]);
403 $self->new_filter( item_type => [ split '', $t ] ) if ($t);
404 $self->new_filter( item_form => [ split '', $f ] ) if ($f);
407 for my $f ( qw/preferred_language preferred_language_multiplier preferred_language_weight core_limit check_limit skip_check superpage superpage_size/ ) {
409 $col = 'preferred_language_multiplier' if ($f eq 'preferred_language_weight');
410 my ($filter) = $self->find_filter($f);
411 if ($filter and @{$filter->args}) {
412 $filters{$col} = $filter->args->[0];
416 $self->QueryParser->superpage($filters{superpage}) if ($filters{superpage});
417 $self->QueryParser->superpage_size($filters{superpage_size}) if ($filters{superpage_size});
418 $self->QueryParser->core_limit($filters{core_limit}) if ($filters{core_limit});
420 $logger->debug("Query plan:\n".Dumper($self));
422 my $flat_plan = $self->flatten;
424 # generate the relevance ranking
425 my $rel = "AVG(\n\t\t(" . join(")+\n\t\t(", @{$$flat_plan{rank_list}}) . ")\n\t)";
427 # find any supplied sort option
428 my ($sort_filter) = $self->find_filter('sort');
430 $sort_filter = $sort_filter->args->[0];
432 $sort_filter = 'rel';
435 if (($filters{preferred_language} || $self->QueryParser->default_preferred_language) && ($filters{preferred_language_multiplier} || $self->QueryParser->default_preferred_language_multiplier)) {
436 my $pl = $self->QueryParser->quote_value( $filters{preferred_language} ? $filters{preferred_language} : $self->QueryParser->default_preferred_language );
437 my $plw = $filters{preferred_language_multiplier} ? $filters{preferred_language_multiplier} : $self->QueryParser->default_preferred_language_multiplier;
438 $rel = "($rel * COALESCE( NULLIF( FIRST(mrd.item_lang) = $pl , FALSE )::INT * $plw, 1))";
442 for my $f ( qw/audience vr_format item_type item_form lit_form language bib_level/ ) {
444 $col = 'item_lang' if ($f eq 'language');
446 my ($filter) = $self->find_filter($f);
448 $filters{$f} = "AND mrd.$col in (" . join(",",map { $self->QueryParser->quote_value($_) } @{$filter->args}) . ")";
452 my $audience = $filters{audience};
453 my $vr_format = $filters{vr_format};
454 my $item_type = $filters{item_type};
455 my $item_form = $filters{item_form};
456 my $lit_form = $filters{lit_form};
457 my $language = $filters{language};
458 my $bib_level = $filters{bib_level};
463 $desc = 'DESC' if ($self->find_modifier('descending'));
465 if ($sort_filter eq 'rel') { # relevance ranking flips sort dir
466 if ($desc eq 'ASC') {
472 if ($sort_filter eq 'title') {
473 $rank = "FIRST((SELECT frt.value FROM metabib.full_rec frt WHERE frt.record = m.source AND frt.tag = 'tnf' AND frt.subfield = 'a' LIMIT 1))";
474 } elsif ($sort_filter eq 'pubdate') {
475 $rank = "FIRST(mrd.date1)::NUMERIC";
476 } elsif ($sort_filter eq 'create_date') {
477 $rank = "FIRST((SELECT create_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
478 } elsif ($sort_filter eq 'edit_date') {
479 $rank = "FIRST((SELECT edit_date FROM biblio.record_entry rbr WHERE rbr.id = m.source))";
480 } elsif ($sort_filter eq 'author') {
481 $rank = "FIRST((SELECT fra.value FROM metabib.full_rec fra WHERE fra.record = m.source AND fra.tag LIKE '1%' AND fra.subfield = 'a' ORDER BY fra.tag LIMIT 1))";
483 # default to rel ranking
488 my $key = 'm.source';
489 $key = 'm.metarecord' if (grep {$_->name eq 'metarecord' or $_->name eq 'metabib'} @{$self->modifiers});
491 my ($before) = $self->find_filter('before');
492 my ($after) = $self->find_filter('after');
493 my ($during) = $self->find_filter('during');
494 my ($between) = $self->find_filter('between');
496 if ($before and @{$before->args} == 1) {
497 $before = "AND mrd.date1 <= " . $self->QueryParser->quote_value($before->args->[0]);
502 if ($after and @{$after->args} == 1) {
503 $after = "AND mrd.date1 >= " . $self->QueryParser->quote_value($after->args->[0]);
508 if ($during and @{$during->args} == 1) {
509 $during = "AND " . $self->QueryParser->quote_value($during->args->[0]) . " BETWEEN mrd.date1 AND mrd.date2";
514 if ($between and @{$between->args} == 2) {
515 $between = "AND mrd.date1 BETWEEN " . $self->QueryParser->quote_value($between->args->[0]) . " AND " . $self->QueryParser->quote_value($between->args->[1]);
520 my $core_limit = $self->QueryParser->core_limit || 25000;
524 ARRAY_ACCUM(DISTINCT m.source) AS records,
527 FIRST(mrd.date1) AS tie_break
528 FROM metabib.metarecord_source_map m
529 JOIN metabib.rec_descriptor mrd ON (m.source = mrd.record)
543 AND $$flat_plan{where}
545 ORDER BY 4 $desc NULLS LAST, 5 DESC NULLS LAST, 3 DESC
549 warn $sql if $self->QueryParser->debug;
559 my $multiplier = shift;
561 my $only_atoms = $node->only_atoms;
562 return '' if (!@$only_atoms);
564 if ($bump eq 'first_word') {
565 return " /* first_word */ COALESCE(NULLIF( (naco_normalize(".$node->table_alias.".value) ~ ('^'||naco_normalize(".$self->QueryParser->quote_value($only_atoms->[0]->content)."))), FALSE )::INT * $multiplier, 1)";
566 } elsif ($bump eq 'full_match') {
567 return " /* full_match */ COALESCE(NULLIF( (naco_normalize(".$node->table_alias.".value) ~ ('^'||".
568 join( "||' '||", map { "naco_normalize(".$self->QueryParser->quote_value($_->content).")" } @$only_atoms )."||'\$')), FALSE )::INT * $multiplier, 1)";
569 } elsif ($bump eq 'word_order') {
570 return " /* word_order */ COALESCE(NULLIF( (naco_normalize(".$node->table_alias.".value) ~ (".
571 join( "||'.*'||", map { "naco_normalize(".$self->QueryParser->quote_value($_->content).")" } @$only_atoms ).")), FALSE )::INT * $multiplier, 1)";
580 my $from = shift || '';
581 my $where = shift || '(';
584 for my $node ( @{$self->query_nodes} ) {
586 if ($node->isa( 'QueryParser::query_plan::node' )) {
588 unless (@{$node->only_atoms}) {
589 push @rank_list, '1';
594 my $table = $node->table;
595 my $talias = $node->table_alias;
597 my $node_rank = $node->rank . " * ${talias}.weight";
599 my $core_limit = $self->QueryParser->core_limit || 25000;
600 $from .= "\n\tLEFT JOIN (\n\t\tSELECT fe.*, fe_weight.weight, x.tsq /* search */\n\t\t FROM $table AS fe";
601 $from .= "\n\t\t\tJOIN config.metabib_field AS fe_weight ON (fe_weight.id = fe.field)";
602 $from .= "\n\t\t\tJOIN (SELECT ".$node->tsquery ." AS tsq ) AS x ON (fe.index_vector @@ x.tsq)";
605 if (@{$node->fields} > 0) {
606 @bump_fields = @{$node->fields};
609 push(@field_ids, $self->QueryParser->search_field_ids_by_class( $node->classname, $_ )->[0]) for (@bump_fields);
610 $from .= "\n\t\t\tWHERE fe_weight.id IN (". join(',', @field_ids) .")";
613 @bump_fields = @{$self->QueryParser->search_fields->{$node->classname}};
616 ###$from .= "\n\t\tLIMIT $core_limit";
617 $from .= "\n\t) AS $talias ON (m.source = ${talias}.source)";
621 for my $field ( @bump_fields ) {
622 my $bumps = $self->QueryParser->find_relevance_bumps( $node->classname => $field );
623 for my $b (keys %$bumps) {
624 next if (!$$bumps{$b}{active});
625 next if ($used_bumps{$b});
628 next if ($$bumps{$b}{multiplier} == 1); # optimization to remove unneeded bumps
630 my $bump_case = $self->rel_bump( $node, $b, $$bumps{$b}{multiplier} );
631 $node_rank .= "\n\t\t\t\t * " . $bump_case if ($bump_case);
635 $where .= '(' . $talias . ".id IS NOT NULL";
636 $where .= ' AND ' . join(' AND ', map {"${talias}.value ~* ".$self->QueryParser->quote_phrase_value($_)} @{$node->phrases}) if (@{$node->phrases});
639 push @rank_list, $node_rank;
641 } elsif ($node->isa( 'QueryParser::query_plan::facet' )) {
643 my $table = $node->table;
644 my $talias = $node->table_alias;
647 if (@{$node->fields} > 0) {
648 push(@field_ids, $self->QueryParser->facet_field_ids_by_class( $node->classname, $_ )->[0]) for (@{$node->fields});
650 @field_ids = @{ $self->QueryParser->facet_field_ids_by_class( $node->classname ) };
653 $from .= "\n\tJOIN /* facet */ metabib.facet_entry $talias ON (\n\t\tm.source = ${talias}.source\n\t\t".
654 "AND SUBSTRING(${talias}.value,1,1024) IN (" . join(",", map { $self->QueryParser->quote_value($_) } @{$node->values}) . ")\n\t\t".
655 "AND ${talias}.field IN (". join(',', @field_ids) . ")\n\t)";
660 my $subnode = $node->flatten;
662 push(@rank_list, @{$$subnode{rank_list}});
663 $from .= $$subnode{from};
664 $where .= "($$subnode{where})";
667 $where .= ' AND ' if ($node eq '&');
668 $where .= ' OR ' if ($node eq '|');
669 # ... stitching the WHERE together ...
673 return { rank_list => \@rank_list, from => $from, where => $where.')' };
678 #-------------------------------
679 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::filter;
680 use base 'QueryParser::query_plan::filter';
682 #-------------------------------
683 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::facet;
684 use base 'QueryParser::query_plan::facet';
688 my ($classname) = split '\|', $self->name;
694 return 'metabib.' . $self->classname . '_field_entry';
699 my ($classname,@fields) = split '\|', $self->name;
706 my $table_alias = "$self";
707 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
708 $table_alias .= '_' . $self->name;
709 $table_alias =~ s/\|/_/go;
715 #-------------------------------
716 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::modifier;
717 use base 'QueryParser::query_plan::modifier';
719 #-------------------------------
720 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node::atom;
721 use base 'QueryParser::query_plan::node::atom';
727 $self->{sql} = $sql if ($sql);
729 return $self->{sql} if ($self->{sql});
730 return $self->buildSQL;
736 my $classname = $self->node->classname;
738 my $normalizers = $self->node->plan->QueryParser->query_normalizers( $classname );
739 my $fields = $self->node->fields;
741 $fields = $self->node->plan->QueryParser->search_fields->{$classname} if (!@$fields);
745 for my $field (@$fields) {
746 for my $nfield (keys %$normalizers) {
747 for my $nizer ( @{$$normalizers{$nfield}} ) {
748 if ($field eq $nfield) {
749 if (!exists($norms{$nizer->{function}})) {
750 $norms{$nizer->{function}} = {p=>$pos++,n=>$nizer};
757 my $sql = $self->node->plan->QueryParser->quote_value($self->content);
759 for my $n ( map { $$_{n} } sort { $$a{p} <=> $$b{p} } values %norms ) {
760 $sql = join(', ', $sql, map { $self->node->plan->QueryParser->quote_value($_) } @{ $n->{params} });
761 $sql = $n->{function}."($sql)";
764 my $prefix = $self->prefix || '';
765 my $suffix = $self->suffix || '';
767 $prefix = "'$prefix' ||" if $prefix;
768 my $suffix_op = ":$suffix" if $suffix;
769 my $suffix_after = "|| '$suffix_op'" if $suffix;
771 $sql = "to_tsquery('$classname', COALESCE(NULLIF($prefix '(' || btrim(regexp_replace($sql,E'(?:\\\\s+|:)','$suffix_op&','g'),'&|') $suffix_after || ')', '()'), ''))";
773 return $self->sql($sql);
776 #-------------------------------
777 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node;
778 use base 'QueryParser::query_plan::node';
783 my $atoms = $self->query_atoms;
785 for my $a (@$atoms) {
786 push(@only_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom'));
795 $self->{table} = $table if ($table);
796 return $self->{table} if $self->{table};
797 return $self->table( 'metabib.' . $self->classname . '_field_entry' );
802 my $table_alias = shift;
803 $self->{table_alias} = $table_alias if ($table_alias);
804 return $self->{table_alias} if ($self->{table_alias});
806 $table_alias = "$self";
807 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
808 $table_alias .= '_' . $self->requested_class;
809 $table_alias =~ s/\|/_/go;
811 return $self->table_alias( $table_alias );
816 return $self->{tsquery} if ($self->{tsquery});
818 for my $atom (@{$self->query_atoms}) {
820 $self->{tsquery} .= "\n\t\t\t" .$atom->sql;
822 $self->{tsquery} .= $atom x 2;
826 return $self->{tsquery};
831 return $self->{rank} if ($self->{rank});
832 return $self->{rank} = 'rank(' . $self->table_alias . '.index_vector, ' . $self->table_alias . '.tsq)';