--- trunk/lib/WebPAC/Output/Riak.pm	2010/11/13 16:00:30	1358
+++ trunk/lib/WebPAC/Output/Riak.pm	2011/04/11 17:29:59	1363
@@ -65,9 +65,18 @@
 #	$log->debug( 'ds = ', $id, sub { dump($ds) } );
 
 	my $data;
-	$data->{$_} = join(' ', @{ $ds->{$_}->{search} }) foreach
-		map { m/^\d+$/ ? $_ = $_ . '_num' : $_ }
-		# add _num suffix for riak search https://wiki.basho.com/display/RIAK/Riak+Search+-+Schema
+	$data->{$_->[0]} = $_->[1] foreach
+		map {
+			my $v = join(' ', @{ $ds->{$_}->{search} });
+			my $k = $_;
+			if ( $v =~ m/^\d+([-\d+]*\d)?$/ ) {
+				$v =~ s/-//g;
+				$v *= 1;
+				# _num suffix for riak search https://wiki.basho.com/display/RIAK/Riak+Search+-+Schema
+				$k .= '_num';
+			}
+			[ $k, $v ]
+		}
 		grep { exists $ds->{$_}->{search} }
 		keys %$ds;