[PATCH 02/11] search: allow querying all mail with ''

[Eric Wong <e@80x24.org>]

This makes dumping recent topics easier, hopefully.
---
 lib/PublicInbox/Search.pm | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index b7b215f..831c4fd 100644
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -74,10 +74,14 @@ sub reopen { $_[0]->{xdb}->reopen }
 # read-only
 sub query {
 	my ($self, $query_string, $opts) = @_;
-	my $query = $self->qp->parse_query($query_string, QP_FLAGS);
+	my $query;
 
 	$opts ||= {};
-	$opts->{relevance} = 1;
+	unless ($query_string eq '') {
+		$query = $self->qp->parse_query($query_string, QP_FLAGS);
+		$opts->{relevance} = 1;
+	}
+
 	$self->do_enquire($query, $opts);
 }
 
@@ -104,8 +108,11 @@ sub get_thread {
 sub do_enquire {
 	my ($self, $query, $opts) = @_;
 	my $enquire = $self->enquire;
-
-	$query = Search::Xapian::Query->new(OP_AND, $query, $mail_query);
+	if (defined $query) {
+		$query = Search::Xapian::Query->new(OP_AND,$query,$mail_query);
+	} else {
+		$query = $mail_query;
+	}
 	$enquire->set_query($query);
 	if ($opts->{relevance}) {
 		$enquire->set_sort_by_relevance_then_value(TS, 0);
-- 
EW