use PublicInbox::Inbox;
use File::Spec ();
use PublicInbox::MiscSearch;
+use DBI qw(:sql_types); # SQL_BLOB
# for ->reopen, ->mset, ->mset_to_artnums
use parent qw(PublicInbox::Search);
$self->{git} //= PublicInbox::Git->new("$self->{topdir}/ALL.git");
}
+# returns an arrayref of [ $NEWSGROUP_NAME:$ART_NO ] using
+# the `xref3' table
+sub nntp_xref_for { # NNTP only
+ my ($self, $xibx, $xsmsg) = @_;
+ my $dbh = over($self)->dbh;
+
+ my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT ibx_id FROM inboxes WHERE eidx_key = ? LIMIT 1
+
+ $sth->execute($xibx->{newsgroup});
+ my $xibx_id = $sth->fetchrow_array // do {
+ warn "W: `$xibx->{newsgroup}' not found in $self->{topdir}\n";
+ return;
+ };
+
+ $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT docid FROM xref3 WHERE oidbin = ? AND xnum = ? AND ibx_id = ? LIMIT 1
+
+ $sth->bind_param(1, pack('H*', $xsmsg->{blob}), SQL_BLOB);
+ $sth->bind_param(2, $xsmsg->{num});
+ $sth->bind_param(3, $xibx_id);
+ $sth->execute;
+ my $docid = $sth->fetchrow_array // do {
+ warn <<EOF;
+W: `$xibx->{newsgroup}:$xsmsg->{num}' not found in $self->{topdir}"
+EOF
+ return;
+ };
+
+ # LIMIT is number of newsgroups on server:
+ $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT ibx_id,xnum FROM xref3 WHERE docid = ?
+
+ $sth->execute($docid);
+ my $rows = $sth->fetchall_arrayref;
+
+ my $eidx_key_sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT eidx_key FROM inboxes WHERE ibx_id = ? LIMIT 1
+
+ my %xref = map {
+ my ($ibx_id, $xnum) = @$_;
+ if ($ibx_id == $xibx_id) {
+ ();
+ } else {
+ $eidx_key_sth->execute($ibx_id);
+ my $eidx_key = $eidx_key_sth->fetchrow_array;
+
+ # only include if there's a newsgroup name
+ $eidx_key && index($eidx_key, '/') >= 0 ?
+ () : ($eidx_key => $xnum)
+ }
+ } @$rows;
+ [ map { "$_:$xref{$_}" } sort keys %xref ]; # match NNTP LIST order
+}
+
sub mm { undef }
sub altid_map { {} }