$sth->execute;
}
+# returns remaining reference count to $docid
sub remove_xref3 {
- my ($self, $docid, $oidhex, $eidx_key) = @_;
+ my ($self, $docid, $oidhex, $eidx_key, $rm_eidx_info) = @_;
begin_lazy($self);
my $oidbin = pack('H*', $oidhex);
- my $sth;
+ my ($sth, $ibx_id);
if (defined $eidx_key) {
- my $ibx_id = id_for($self, 'inboxes', 'ibx_id',
+ $ibx_id = id_for($self, 'inboxes', 'ibx_id',
eidx_key => $eidx_key);
$sth = $self->{dbh}->prepare_cached(<<'');
DELETE FROM xref3 WHERE docid = ? AND ibx_id = ? AND oidbin = ?
$sth->bind_param(2, $oidbin, SQL_BLOB);
}
$sth->execute;
+ $sth = $self->{dbh}->prepare_cached(<<'', undef, 1);
+SELECT COUNT(*) FROM xref3 WHERE docid = ?
+
+ $sth->execute($docid);
+ my $nr = $sth->fetchrow_array;
+ if ($nr == 0) {
+ delete_by_num($self, $docid);
+ } elsif (defined($ibx_id) && $rm_eidx_info) {
+ # if deduplication rules in ContentHash change, it's
+ # possible a docid can have multiple rows with the
+ # same ibx_id. This governs whether or not we call
+ # ->shard_remove_eidx_info in ExtSearchIdx.
+ $sth = $self->{dbh}->prepare_cached(<<'', undef, 1);
+SELECT COUNT(*) FROM xref3 WHERE docid = ? AND ibx_id = ?
+
+ $sth->execute($docid, $ibx_id);
+ my $count = $sth->fetchrow_array;
+ $$rm_eidx_info = ($count == 0);
+ }
+ $nr;
}
# for when an xref3 goes missing, this does NOT update {ts}