1 package Koha::QueryParser::Driver::PQF::query_plan;
2 use base 'OpenILS::QueryParser::query_plan';
9 Koha::QueryParser::Driver::PQF::query_plan - query_plan subclass for PQF driver
13 =head2 Koha::QueryParser::Driver::PQF::query_plan::target_syntax
15 my $pqf = $query_plan->target_syntax($server);
17 Transforms an OpenILS::QueryParser::query_plan object into PQF. Do not use directly.
22 my ($self, $server) = @_;
27 for my $node ( @{$self->query_nodes} ) {
30 $node_pqf = $node->target_syntax($server);
31 $node_count++ if $node_pqf;
35 $pqf = ($self->joiner eq '|' ? ' @or ' : ' @and ') x ($node_count - 1) . $pqf;
36 $node_count = ($node_count ? '1' : '0');
37 for my $node ( @{$self->filters} ) {
39 $node_pqf = $node->target_syntax($server);
40 $node_count++ if $node_pqf;
44 $pqf = ($self->joiner eq '|' ? ' @or ' : ' @and ') x ($node_count - 1) . $pqf;
45 foreach my $modifier ( @{$self->modifiers} ) {
46 my $modifierpqf = $modifier->target_syntax($server, $self);
47 $pqf = $modifierpqf . ' ' . $pqf if $modifierpqf;
49 return ($self->negate ? '@not @attr 1=_ALLRECORDS @attr 2=103 "" ' : '') . $pqf;