-# $Id: Resultset.pm,v 1.6 2003-03-03 12:14:27 pop Exp $
+# $Id: Resultset.pm,v 1.11 2004-07-28 08:15:46 adam Exp $
#
# Zebra perl API header
# =============================================================================
use IDZebra::Logger qw(:flags :calls);
use Scalar::Util qw(weaken);
use Carp;
- our $VERSION = do { my @r = (q$Revision: 1.6 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
+ our $VERSION = do { my @r = (q$Revision: 1.11 $ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
our @ISA = qw(IDZebra::Logger);
}
$self->{odr_stream} = IDZebra::odr_createmem($IDZebra::ODR_DECODE);
$self->{name} = $args{name};
+ $self->{query} = $args{query};
$self->{recordCount} = $args{recordCount};
$self->{errCode} = $args{errCode};
$self->{errString} = $args{errString};
return ($self->{errCode});
}
+sub terms {
+ use Data::Dumper;
+ my ($self) = @_;
+ my $count = 0; my $type = 0; my $len = 0;
+ my $tc = IDZebra::resultSetTerms($self->{session}{zh},$self->{name},
+ 0, \$count, \$type, "\0", \$len);
+
+ logf (LOG_LOG,"Got $tc terms");
+
+
+ my @res = ();
+ for (my $i=0; $i<$tc; $i++) {
+ my $len = 1024;
+ my $t = {term => "\0" x $len, count => 0, type => 0};
+ my $stat = IDZebra::resultSetTerms($self->{session}{zh},$self->{name},
+ $i, \$t->{count}, \$t->{type},
+ $t->{term}, \$len);
+ $t->{term} = substr($t->{term}, 0, $len);
+ logf (LOG_LOG,
+ "term $i: type $t->{type}, '$t->{term}' ($t->{count})");
+ push (@res, $t);
+ }
+ return (@res);
+}
+
# =============================================================================
sub DESTROY {
my $self = shift;
+# print STDERR "Destroy RS\n";
# Deleteresultset?
my $stats = 0;
my $from = $args{from} ? $args{from} : 1;
my $to = $args{to} ? $args{to} : $self->{recordCount};
+ if (($to-$from) >= 1000) {
+ if ($args{to}) {
+ croak ("Cannot fetch more than 1000 records at a time");
+ } else {
+ $to = $from + 999;
+ }
+ }
+
my $elementSet = $args{elementSet} ? $args{elementSet} : 'R';
my $schema = $args{schema} ? $args{schema} : '';
my $recordSyntax = $args{recordSyntax} ? $args{recordSyntax} : '';
my $class = $args{class} ? $args{class} : '';
+ # ADAM: Reset before we use it (not after)
+ IDZebra::odr_reset($self->{odr_stream});
my $ro = IDZebra::RetrievalObj->new();
IDZebra::records_retrieve($self->{session}{zh},
$to,
$ro);
-
my @res = ();
for (my $i=$from; $i<=$to; $i++) {
if ($class) {
} else {
- push (@res, $rec);
+ push (@res, $rec);
}
}
- IDZebra::odr_reset($self->{odr_stream});
-
return (@res);
}
}
unless ($setname) {
- $_[0] = $self->{session}->sortResultsets($sortspec,
- $self->{name}, ($self));
+ return ($_[0] = $self->{session}->sortResultsets($sortspec,
+ $self->{session}->_new_setname, ($self)));
return ($_[0]);
} else {
return ($self->{session}->sortResultsets($sortspec,
=head1 SORTING
+You can sort resultsets by calling:
+
+ $rs1->sort($sort_expr);
+
+or create a new sorted resultset:
+
+ $rs2 = $rs1->sort($sort_expr);
+
+The sort expression has the same format as described in the I<yaz_client> documentation. For example:
+
+ $rs1->sort('1=4 id');
+
+will sort thr results by title, in a case insensitive way, in descending order, while
+
+ $rs1->sort('1=4 a');
+will sort ascending by titles.
=head1 COPYRIGHT
=head1 SEE ALSO
-IDZebra, IDZebra::Data1, Zebra documentation
+Zebra documentation, IDZebra::ResultSet, IDZebra::RetrievalRecord manpages.
=cut