1 package Koha::QueryParser::Driver::PQF::query_plan::node;
3 # This file is part of Koha.
5 # Copyright 2012 C & P Bibliography Services
7 # Koha is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
20 use base 'OpenILS::QueryParser::query_plan::node';
27 Koha::QueryParser::Driver::PQF::query_plan::node - node subclass for PQF driver
31 =head2 Koha::QueryParser::Driver::PQF::query_plan::node::target_syntax
33 my $pqf = $node->target_syntax($server);
35 Transforms an OpenILS::QueryParser::query_plan::node object into PQF. Do not use directly.
40 my ($self, $server) = @_;
48 if (scalar(@{$self->fields})) {
49 foreach my $field (@{$self->fields}) {
50 $fieldobj = $self->plan->QueryParser->bib1_mapping_by_name('field', $self->classname, $field, $server);
51 $relbump = $self->plan->QueryParser->bib1_mapping_by_name('relevance_bump', $self->classname, $field, $server);
53 $fieldobj->{'attr_string'} .= ' ' . $relbump->{'attr_string'};
55 push @fields, $fieldobj unless (!defined($fieldobj) || ($field eq $self->classname && @{$self->fields} > 1));
58 $fieldobj = $self->plan->QueryParser->bib1_mapping_by_name('field', $self->classname, $self->classname, $server);
59 my $relbumps = $self->plan->QueryParser->bib1_mapping_by_name('relevance_bump', $self->classname, '', $server);
60 push @fields, $fieldobj;
62 foreach my $field (keys %$relbumps) {
63 $relbump = $relbumps->{$field};
64 $fieldobj = $self->plan->QueryParser->bib1_mapping_by_name('field', $relbump->{'classname'}, $relbump->{'field'}, $server);
65 $fieldobj->{'attr_string'} ||= '';
66 $fieldobj->{'attr_string'} .= ' ' . $relbump->{$server}{'attr_string'} if $relbump->{$server}{'attr_string'};
67 push @fields, $fieldobj;
72 if (@{$self->phrases}) {
73 foreach my $phrase (@{$self->phrases}) {
76 $pqf .= ' @or ' x (scalar(@fields) - 1);
77 foreach my $attributes (@fields) {
78 $attributes->{'attr_string'} ||= '';
79 $pqf .= $attributes->{'attr_string'} . ($attributes->{'4'} ? '' : ' @attr 4=1') . ' "' . $phrase . '" ';
85 foreach my $atom (@{$self->query_atoms}) {
87 $atom_content = $atom->target_syntax($server);
89 $pqf .= ' @or ' x (scalar(@fields) - 1);
90 foreach my $attributes (@fields) {
91 $attributes->{'attr_string'} ||= '';
92 if ($self->plan->QueryParser->custom_data->{'QueryAutoTruncate'} || $atom->suffix eq '*') {
93 $attributes->{'attr_string'} .= ($attributes->{'5'} ? '' : ' @attr 5=1 ');
95 $pqf .= $attributes->{'attr_string'} . ($attributes->{'4'} ? '' : ' @attr 4=6 ') . $atom_content . ' ';
102 $pqf = (OpenILS::QueryParser::_util::default_joiner eq '|' ? ' @or ' : ' @and ') x ($atom_count - 1) . $pqf;
103 return ($self->negate ? '@not @attr 1=_ALLRECORDS @attr 2=103 "" ' : '') . $pqf;