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 "\$_$$\$$value\$_$$\$";
25 sub default_preferred_language {
29 $self->custom_data->{default_preferred_language} = $lang if ($lang);
30 return $self->custom_data->{default_preferred_language};
33 sub default_preferred_language_multiplier {
37 $self->custom_data->{default_preferred_language_multiplier} = $lang if ($lang);
38 return $self->custom_data->{default_preferred_language_multiplier};
44 return 0 unless $self->parse_tree;
45 return 0 if @{$self->parse_tree->filters};
46 return 0 if @{$self->parse_tree->modifiers};
47 for my $node ( @{ $self->parse_tree->query_nodes } ) {
48 return 0 if (!ref($node) && $node eq '|');
49 next unless (ref($node));
50 return 0 if ($node->isa('QueryParser::query_plan'));
58 return $self->parse_tree->toSQL;
61 sub facet_field_id_map {
65 $self->custom_data->{facet_field_id_map} ||= {};
66 $self->custom_data->{facet_field_id_map} = $map if ($map);
67 return $self->custom_data->{facet_field_id_map};
70 sub add_facet_field_id_map {
77 $self->add_facet_field( $class => $field );
78 $self->facet_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
79 $self->facet_field_id_map->{by_class}{$class}{$field} = $id;
82 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
83 by_class => { $class => { $field => $id } }
87 sub facet_field_class_by_id {
91 return $self->facet_field_id_map->{by_id}{$id};
94 sub facet_field_ids_by_class {
99 return undef unless ($class);
102 return [$self->facet_field_id_map->{by_class}{$class}{$field}];
105 return [values( %{ $self->facet_field_id_map->{by_class}{$class} } )];
108 sub search_field_id_map {
112 $self->custom_data->{search_field_id_map} ||= {};
113 $self->custom_data->{search_field_id_map} = $map if ($map);
114 return $self->custom_data->{search_field_id_map};
117 sub add_search_field_id_map {
124 $self->add_search_field( $class => $field );
125 $self->search_field_id_map->{by_id}{$id} = { classname => $class, field => $field, weight => $weight };
126 $self->search_field_id_map->{by_class}{$class}{$field} = $id;
129 by_id => { $id => { classname => $class, field => $field, weight => $weight } },
130 by_class => { $class => { $field => $id } }
134 sub search_field_class_by_id {
138 return $self->search_field_id_map->{by_id}{$id};
141 sub search_field_ids_by_class {
146 return undef unless ($class);
149 return [$self->search_field_id_map->{by_class}{$class}{$field}];
152 return [values( %{ $self->search_field_id_map->{by_class}{$class} } )];
155 sub relevance_bumps {
159 $self->custom_data->{rel_bumps} ||= {};
160 $self->custom_data->{rel_bumps} = $bumps if ($bumps);
161 return $self->custom_data->{rel_bumps};
164 sub find_relevance_bumps {
169 return $self->relevance_bumps->{$class}{$field};
172 sub add_relevance_bump {
177 my $multiplier = shift;
180 $active = 1 if (!defined($active));
182 $self->relevance_bumps->{$class}{$field}{$type} = { multiplier => $multiplier, active => $active };
184 return { $class => { $field => { $type => { multiplier => $multiplier, active => $active } } } };
188 sub initialize_search_field_id_map {
190 my $cmf_list = shift;
192 for my $cmf (@$cmf_list) {
193 __PACKAGE__->add_search_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->search_field));
194 __PACKAGE__->add_facet_field_id_map( $cmf->field_class, $cmf->name, $cmf->id, $cmf->weight ) if ($U->is_true($cmf->facet_field));
197 return $self->search_field_id_map;
200 sub initialize_aliases {
202 my $cmsa_list = shift;
204 for my $cmsa (@$cmsa_list) {
206 __PACKAGE__->add_search_class_alias( $cmsa->field_class, $cmsa->alias );
208 my $c = $self->search_field_class_by_id( $cmsa->field );
209 __PACKAGE__->add_search_field_alias( $cmsa->field_class, $c->{field}, $cmsa->alias );
213 return $self->relevance_bumps;
216 sub initialize_relevance_bumps {
218 my $sra_list = shift;
220 for my $sra (@$sra_list) {
221 my $c = $self->search_field_class_by_id( $sra->field );
222 __PACKAGE__->add_relevance_bump( $c->{classname}, $c->{field}, $sra->bump_type, $sra->multiplier );
225 return $self->relevance_bumps;
228 sub initialize_normalizers {
230 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" }] }
232 for my $cmfinm ( @$tree ) {
233 my $field_info = $self->search_field_class_by_id( $cmfinm->field );
234 __PACKAGE__->add_query_normalizer( $field_info->{classname}, $field_info->{field}, $cmfinm->norm->func, OpenSRF::Utils::JSON->JSON2perl($cmfinm->params) );
239 sub initialization_complete {
247 return $_complete if ($_complete);
249 $self->initialize_search_field_id_map( $args{config_metabib_field} )
250 if ($args{config_metabib_field});
252 $self->initialize_aliases( $args{config_metabib_search_alias} )
253 if ($args{config_metabib_search_alias});
255 $self->initialize_relevance_bumps( $args{search_relevance_adjustment} )
256 if ($args{search_relevance_adjustment});
258 $self->initialize_normalizers( $args{config_metabib_field_index_norm_map} )
259 if ($args{config_metabib_field_index_norm_map});
262 $args{config_metabib_field_index_norm_map} &&
263 $args{search_relevance_adjustment} &&
264 $args{config_metabib_search_alias} &&
265 $args{config_metabib_field}
273 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
275 __PACKAGE__->add_search_field_id_map( series => seriestitle => 1 => 1 );
276 __PACKAGE__->add_relevance_bump( series => seriestitle => first_word => 1.5 );
277 __PACKAGE__->add_relevance_bump( series => seriestitle => full_match => 20 );
279 __PACKAGE__->add_search_field_id_map( title => abbreviated => 2 => 1 );
280 __PACKAGE__->add_relevance_bump( title => abbreviated => first_word => 1.5 );
281 __PACKAGE__->add_relevance_bump( title => abbreviated => full_match => 20 );
283 __PACKAGE__->add_search_field_id_map( title => translated => 3 => 1 );
284 __PACKAGE__->add_relevance_bump( title => translated => first_word => 1.5 );
285 __PACKAGE__->add_relevance_bump( title => translated => full_match => 20 );
287 __PACKAGE__->add_search_field_id_map( title => proper => 6 => 1 );
288 __PACKAGE__->add_query_normalizer( title => proper => 'naco_normalize' );
289 __PACKAGE__->add_relevance_bump( title => proper => first_word => 1.5 );
290 __PACKAGE__->add_relevance_bump( title => proper => full_match => 20 );
291 __PACKAGE__->add_relevance_bump( title => proper => word_order => 10 );
293 __PACKAGE__->add_search_field_id_map( author => coporate => 7 => 1 );
294 __PACKAGE__->add_relevance_bump( author => coporate => first_word => 1.5 );
295 __PACKAGE__->add_relevance_bump( author => coporate => full_match => 20 );
297 __PACKAGE__->add_facet_field_id_map( author => personal => 8 => 1 );
299 __PACKAGE__->add_search_field_id_map( author => personal => 8 => 1 );
300 __PACKAGE__->add_relevance_bump( author => personal => first_word => 1.5 );
301 __PACKAGE__->add_relevance_bump( author => personal => full_match => 20 );
302 __PACKAGE__->add_query_normalizer( author => personal => 'naco_normalize' );
303 __PACKAGE__->add_query_normalizer( author => personal => 'split_date_range' );
305 __PACKAGE__->add_facet_field_id_map( subject => topic => 14 => 1 );
307 __PACKAGE__->add_search_field_id_map( subject => topic => 14 => 1 );
308 __PACKAGE__->add_relevance_bump( subject => topic => first_word => 1 );
309 __PACKAGE__->add_relevance_bump( subject => topic => full_match => 1 );
311 __PACKAGE__->add_search_field_id_map( subject => complete => 16 => 1 );
312 __PACKAGE__->add_relevance_bump( subject => complete => first_word => 1 );
313 __PACKAGE__->add_relevance_bump( subject => complete => full_match => 1 );
315 __PACKAGE__->add_search_field_id_map( keyword => keyword => 15 => 1 );
316 __PACKAGE__->add_relevance_bump( keyword => keyword => first_word => 1 );
317 __PACKAGE__->add_relevance_bump( keyword => keyword => full_match => 1 );
320 __PACKAGE__->add_search_class_alias( keyword => 'kw' );
321 __PACKAGE__->add_search_class_alias( title => 'ti' );
322 __PACKAGE__->add_search_class_alias( author => 'au' );
323 __PACKAGE__->add_search_class_alias( author => 'name' );
324 __PACKAGE__->add_search_class_alias( author => 'dc.contributor' );
325 __PACKAGE__->add_search_class_alias( subject => 'su' );
326 __PACKAGE__->add_search_class_alias( subject => 'bib.subject(?:Title|Place|Occupation)' );
327 __PACKAGE__->add_search_class_alias( series => 'se' );
328 __PACKAGE__->add_search_class_alias( keyword => 'dc.identifier' );
330 __PACKAGE__->add_query_normalizer( author => corporate => 'naco_normalize' );
331 __PACKAGE__->add_query_normalizer( keyword => keyword => 'naco_normalize' );
333 __PACKAGE__->add_search_field_alias( subject => name => 'bib.subjectName' );
337 __PACKAGE__->default_search_class( 'keyword' );
339 __PACKAGE__->add_search_filter( 'audience' );
340 __PACKAGE__->add_search_filter( 'vr_format' );
341 __PACKAGE__->add_search_filter( 'format' );
342 __PACKAGE__->add_search_filter( 'item_type' );
343 __PACKAGE__->add_search_filter( 'item_form' );
344 __PACKAGE__->add_search_filter( 'lit_form' );
345 __PACKAGE__->add_search_filter( 'locations' );
346 __PACKAGE__->add_search_filter( 'site' );
347 __PACKAGE__->add_search_filter( 'lasso' );
348 __PACKAGE__->add_search_filter( 'my_lasso' );
349 __PACKAGE__->add_search_filter( 'depth' );
350 __PACKAGE__->add_search_filter( 'sort' );
351 __PACKAGE__->add_search_filter( 'language' );
352 __PACKAGE__->add_search_filter( 'preferred_language' );
353 __PACKAGE__->add_search_filter( 'preferred_language_weight' );
354 __PACKAGE__->add_search_filter( 'preferred_language_multiplier' );
355 __PACKAGE__->add_search_filter( 'statuses' );
356 __PACKAGE__->add_search_filter( 'bib_level' );
357 __PACKAGE__->add_search_filter( 'before' );
358 __PACKAGE__->add_search_filter( 'after' );
359 __PACKAGE__->add_search_filter( 'between' );
360 __PACKAGE__->add_search_filter( 'during' );
361 __PACKAGE__->add_search_filter( 'offset' );
362 __PACKAGE__->add_search_filter( 'limit' );
363 __PACKAGE__->add_search_filter( 'core_limit' );
364 __PACKAGE__->add_search_filter( 'check_limit' );
365 __PACKAGE__->add_search_filter( 'skip_check' );
366 __PACKAGE__->add_search_filter( 'superpage' );
367 __PACKAGE__->add_search_filter( 'superpage_size' );
368 __PACKAGE__->add_search_filter( 'estimation_strategy' );
370 __PACKAGE__->add_search_modifier( 'available' );
371 __PACKAGE__->add_search_modifier( 'descending' );
372 __PACKAGE__->add_search_modifier( 'ascending' );
373 __PACKAGE__->add_search_modifier( 'metarecord' );
374 __PACKAGE__->add_search_modifier( 'metabib' );
375 __PACKAGE__->add_search_modifier( 'staff' );
378 #-------------------------------
379 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan;
380 use base 'QueryParser::query_plan';
386 my ($format) = $self->find_filter('format');
388 my ($t,$f) = split('-', $format->args->[0]);
389 $self->new_filter( item_type => [ split '', $t ] ) if ($t);
390 $self->new_filter( item_form => [ split '', $f ] ) if ($f);
393 for my $f ( qw/preferred_language preferred_language_multiplier preferred_language_weight core_limit check_limit skip_check superpage superpage_size/ ) {
395 $col = 'preferred_language_multiplier' if ($f eq 'preferred_language_weight');
396 my ($filter) = $self->find_filter($f);
397 if ($filter and @{$filter->args}) {
398 $filters{$col} = $filter->args->[0];
402 $self->QueryParser->superpage($filters{superpage}) if ($filters{superpage});
403 $self->QueryParser->superpage_size($filters{superpage_size}) if ($filters{superpage_size});
404 $self->QueryParser->core_limit($filters{core_limit}) if ($filters{core_limit});
406 my $flat_plan = $self->flatten;
408 # generate the relevance ranking
409 my $rel = "AVG(\n\t\t(" . join(")+\n\t\t(", @{$$flat_plan{rank_list}}) . ")\n\t)";
411 # find any supplied sort option
412 my ($sort_filter) = $self->find_filter('sort');
414 $sort_filter = $sort_filter->args->[0];
416 $sort_filter = 'rel';
419 if (($filters{preferred_language} || $self->QueryParser->default_preferred_language) && ($filters{preferred_language_multiplier} || $self->QueryParser->default_preferred_language_multiplier)) {
420 $rel = "($rel * CASE WHEN FIRST(mrd.item_lang) = ". $self->QueryParser->quote_value( $filters{preferred_language} ? $filters{preferred_language} : $self->QueryParser->default_preferred_language ) . " THEN ";
421 $rel .= $filters{preferred_language_multiplier} ? $filters{preferred_language_multiplier} : $self->QueryParser->default_preferred_language_multiplier;
422 $rel .= " ELSE 1 END)";
426 for my $f ( qw/audience vr_format item_type item_form lit_form language bib_level/ ) {
428 $col = 'item_lang' if ($f eq 'language');
430 my ($filter) = $self->find_filter($f);
432 $filters{$f} = "AND mrd.$col in (" . join(",",map { $self->QueryParser->quote_value($_) } @{$filter->args}) . ")";
436 my $audience = $filters{audience};
437 my $vr_format = $filters{vr_format};
438 my $item_type = $filters{item_type};
439 my $item_form = $filters{item_form};
440 my $lit_form = $filters{lit_form};
441 my $language = $filters{language};
442 my $bib_level = $filters{bib_level};
447 $desc = 'DESC' if ($self->find_modifier('descending'));
449 if ($sort_filter eq 'rel') { # relevance ranking flips sort dir
450 if ($desc eq 'ASC') {
456 if ($sort_filter eq 'title') {
457 my $default = $desc eq 'DESC' ? ' ' : 'zzzzzz';
461 FROM metabib.full_rec frt
462 WHERE frt.record = m.source
464 AND frt.subfield = 'a'
466 )),'$default'))::TEXT
468 } elsif ($sort_filter eq 'pubdate') {
469 $rank = "COALESCE( FIRST(NULLIF(REGEXP_REPLACE(mrd.date1, E'\\\\D+', '0', 'g'),'')), '0' )::INT";
470 } elsif ($sort_filter eq 'create_date') {
471 $rank = "( FIRST (( SELECT create_date FROM biblio.record_entry rbr WHERE rbr.id = m.source)) )::TIMESTAMPTZ";
472 } elsif ($sort_filter eq 'edit_date') {
473 $rank = "( FIRST (( SELECT edit_date FROM biblio.record_entry rbr WHERE rbr.id = m.source)) )::TIMESTAMPTZ";
474 } elsif ($sort_filter eq 'author') {
475 my $default = $desc eq 'DESC' ? ' ' : 'zzzzzz';
478 SELECT LTRIM(fra.value)
479 FROM metabib.full_rec fra
480 WHERE fra.record = m.source
481 AND fra.tag LIKE '1%'
482 AND fra.subfield = 'a'
483 ORDER BY fra.tag::text::int
485 )),'$default'))::TEXT
488 # default to rel ranking
493 my $key = 'm.source';
494 $key = 'm.metarecord' if (grep {$_->name eq 'metarecord' or $_->name eq 'metabib'} @{$self->modifiers});
496 my ($before) = $self->find_filter('before');
497 my ($after) = $self->find_filter('after');
498 my ($during) = $self->find_filter('during');
499 my ($between) = $self->find_filter('between');
501 if ($before and @{$before->args} == 1) {
502 $before = "AND mrd.date1 <= " . $self->QueryParser->quote_value($before->args->[0]);
507 if ($after and @{$after->args} == 1) {
508 $after = "AND mrd.date1 >= " . $self->QueryParser->quote_value($after->args->[0]);
513 if ($during and @{$during->args} == 1) {
514 $during = "AND " . $self->QueryParser->quote_value($during->args->[0]) . " BETWEEN mrd.date1 AND mrd.date2";
519 if ($between and @{$between->args} == 2) {
520 $between = "AND mrd.date1 BETWEEN " . $self->QueryParser->quote_value($between->args->[0]) . " AND " . $self->QueryParser->quote_value($between->args->[1]);
527 ARRAY_ACCUM(DISTINCT m.source) AS records,
530 COALESCE( FIRST(NULLIF(REGEXP_REPLACE(mrd.date1, E'\\\\D+', '0', 'g'),'')), '0' )::INT AS tie_break
531 FROM metabib.metarecord_source_map m
532 JOIN metabib.rec_descriptor mrd ON (m.source = mrd.record)
546 AND $$flat_plan{where}
548 ORDER BY 4 $desc, 5 DESC, 3 DESC
551 warn $sql if $self->QueryParser->debug;
561 my $multiplier = shift;
563 my $only_atoms = $node->only_atoms;
564 return '' if (!@$only_atoms);
566 if ($bump eq 'first_word') {
567 return "/* first_word */ CASE WHEN naco_normalize(".$node->table_alias.".value) ".
568 "LIKE naco_normalize(".$self->QueryParser->quote_value($only_atoms->[0]->content).") \|\| '\%' ".
569 "THEN $multiplier ELSE 1 END";
570 } elsif ($bump eq 'full_match') {
571 return "/* full_match */ CASE WHEN naco_normalize(".$node->table_alias.".value) ".
572 "LIKE". join( '||\'%\'||', map { " naco_normalize(".$self->QueryParser->quote_value($_->content).") " } @$only_atoms ) .
573 "THEN $multiplier ELSE 1 END";
574 } elsif ($bump eq 'word_order') {
575 return "/* word_order */ CASE WHEN naco_normalize(".$node->table_alias.".value) ".
576 "LIKE '\%'||". join( '||\'%\'||', map { " naco_normalize(".$self->QueryParser->quote_value($_->content).") " } @$only_atoms ) . '||\'%\' '.
577 "THEN $multiplier ELSE 1 END";
586 my $from = shift || '';
587 my $where = shift || '';
590 for my $node ( @{$self->query_nodes} ) {
592 if ($node->isa( 'QueryParser::query_plan::node' )) {
594 unless (@{$node->only_atoms}) {
595 push @rank_list, '1';
600 my $table = $node->table;
601 my $talias = $node->table_alias;
603 my $node_rank = $node->rank . " * ${talias}_weight.weight";
605 $from .= "\n\tLEFT JOIN (\n\t\tSELECT * /* search */\n\t\t FROM $table\n\t\t WHERE index_vector @@ (" .$node->tsquery . ')';
608 if (@{$node->fields} > 0) {
609 @bump_fields = @{$node->fields};
610 $from .= "\n\t\t\tAND field IN (SELECT id FROM config.metabib_field WHERE field_class = ". $self->QueryParser->quote_value($node->classname) ." AND name IN (";
611 $from .= join(",", map { $self->QueryParser->quote_value($_) } @{$node->fields}) . "))";
614 @bump_fields = @{$self->QueryParser->search_fields->{$node->classname}};
618 for my $field ( @bump_fields ) {
619 my $bumps = $self->QueryParser->find_relevance_bumps( $node->classname => $field );
620 for my $b (keys %$bumps) {
621 next if (!$$bumps{$b}{active});
622 next if ($used_bumps{$b});
625 my $bump_case = $self->rel_bump( $node, $b, $$bumps{$b}{multiplier} );
626 $node_rank .= "\n\t\t\t\t * " . $bump_case if ($bump_case);
630 my $core_limit = $self->QueryParser->core_limit || 25000;
631 $from .= "\n\t\tLIMIT $core_limit\n\t) AS $talias ON (m.source = $talias.source)";
632 $from .= "\n\tJOIN config.metabib_field AS ${talias}_weight ON (${talias}_weight.id = $talias.field)\n";
634 $where .= '(' . $talias . ".id IS NOT NULL";
635 $where .= ' AND ' . join(' AND ', map {"$talias.value ~* ".$self->QueryParser->quote_value($_)} @{$node->phrases}) if (@{$node->phrases});
638 push @rank_list, $node_rank;
640 } elsif ($node->isa( 'QueryParser::query_plan::facet' )) {
642 my $table = $node->table;
643 my $talias = $node->table_alias;
645 $from .= "\n\tJOIN (\n\t\tSELECT * /* facet */\n\t\t FROM $table\n\t\t WHERE index_vector = ''::TSVECTOR AND ".
646 "SUBSTRING(value,1,1024) IN (" . join(",", map { $self->QueryParser->quote_value($_) } @{$node->values}) . ")".
647 "\n\t\t\tAND field IN (SELECT id FROM config.metabib_field WHERE field_class = ". $self->QueryParser->quote_value($node->classname) ." AND facet_field";
649 if (@{$node->fields} > 0) {
650 $from .= " AND name IN (";
651 $from .= join(",", map { $self->QueryParser->quote_value($_) } @{$node->fields}) . ")";
656 my $core_limit = $self->QueryParser->core_limit || 25000;
657 $from .= "\n\t\tLIMIT $core_limit\n\t) AS $talias ON (m.source = $talias.source)";
662 my $subnode = $node->flatten;
664 push(@rank_list, @{$$subnode{rank_list}});
665 $from .= $$subnode{from};
666 $where .= "($$subnode{where})";
669 $where .= ' AND ' if ($node eq '&');
670 $where .= ' OR ' if ($node eq '|');
671 # ... stitching the WHERE together ...
675 return { rank_list => \@rank_list, from => $from, where => $where };
680 #-------------------------------
681 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::filter;
682 use base 'QueryParser::query_plan::filter';
684 #-------------------------------
685 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::facet;
686 use base 'QueryParser::query_plan::facet';
690 my ($classname) = split '\|', $self->name;
696 return 'metabib.' . $self->classname . '_field_entry';
701 my ($classname,@fields) = split '\|', $self->name;
708 my $table_alias = "$self";
709 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
710 $table_alias .= '_' . $self->name;
711 $table_alias =~ s/\|/_/go;
717 #-------------------------------
718 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::modifier;
719 use base 'QueryParser::query_plan::modifier';
721 #-------------------------------
722 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node::atom;
723 use base 'QueryParser::query_plan::node::atom';
729 $self->{sql} = $sql if ($sql);
731 return $self->{sql} if ($self->{sql});
732 return $self->buildSQL;
738 my $classname = $self->node->classname;
740 my $normalizers = $self->node->plan->QueryParser->query_normalizers( $classname );
741 my $fields = $self->node->fields;
743 $fields = $self->node->plan->QueryParser->search_fields->{$classname} if (!@$fields);
746 for my $field (@$fields) {
747 for my $nfield (keys %$normalizers) {
748 for my $nizer ( @{$$normalizers{$nfield}} ) {
749 push(@norm_list, $nizer) if ($field eq $nfield && !(grep {$_ eq $nizer} @norm_list));
754 my $sql = $self->node->plan->QueryParser->quote_value($self->content);
756 for my $n ( @norm_list ) {
757 $sql = join(', ', $sql, map { $self->node->plan->QueryParser->quote_value($_) } @{ $n->{params} });
758 $sql = $n->{function}."($sql)";
761 my $prefix = $self->prefix || '';
762 my $suffix = $self->suffix || '';
764 $prefix = "'$prefix' ||" if $prefix;
765 my $suffix_op = ":$suffix" if $suffix;
766 my $suffix_after = "|| '$suffix_op'" if $suffix;
768 $sql = "to_tsquery('$classname', $prefix '(' || regexp_replace($sql,E'(?:\\\\s+|:)','$suffix_op&','g') $suffix_after || ')')";
770 return $self->sql($sql);
773 #-------------------------------
774 package OpenILS::Application::Storage::Driver::Pg::QueryParser::query_plan::node;
775 use base 'QueryParser::query_plan::node';
780 my $atoms = $self->query_atoms;
782 for my $a (@$atoms) {
783 push(@only_atoms, $a) if (ref($a) && $a->isa('QueryParser::query_plan::node::atom'));
792 $self->{table} = $table if ($table);
793 return $self->{table} if $self->{table};
794 return $self->table( 'metabib.' . $self->classname . '_field_entry' );
799 my $table_alias = shift;
800 $self->{table_alias} = $table_alias if ($table_alias);
801 return $self->{table_alias} if ($self->{table_alias});
803 $table_alias = "$self";
804 $table_alias =~ s/^.*\(0(x[0-9a-fA-F]+)\)$/$1/go;
805 $table_alias .= '_' . $self->requested_class;
806 $table_alias =~ s/\|/_/go;
808 return $self->table_alias( $table_alias );
813 return $self->{tsquery} if ($self->{tsquery});
815 for my $atom (@{$self->query_atoms}) {
817 $self->{tsquery} .= "\n\t\t\t" .$atom->sql;
819 $self->{tsquery} .= $atom x 2;
823 return $self->{tsquery};
828 return $self->{rank} if ($self->{rank});
829 return $self->{rank} = 'rank(' . $self->table_alias . '.index_vector, ' . $self->tsquery . ')';