+ $self->set_keywords($docid, @kw);
+ }
+}
+
+sub shard_remove_keywords {
+ my ($self, $docid, @kw) = @_;
+ if (my $w = $self->{w}) { # triggers remove_by_docid in a shard child
+ print $w "-K $docid @kw\n" or die "failed to write: $!";
+ } else { # same process
+ $self->remove_keywords($docid, @kw);
+ }
+}
+
+sub shard_add_keywords {
+ my ($self, $docid, @kw) = @_;
+ if (my $w = $self->{w}) { # triggers remove_by_docid in a shard child
+ print $w "+K $docid @kw\n" or die "failed to write: $!";
+ } else { # same process
+ $self->add_keywords($docid, @kw);
+ }
+}
+
+sub shard_over_check {
+ my ($self, $over) = @_;
+ if (my $w = $self->{w}) { # triggers remove_by_docid in a shard child
+ my ($over_fn) = $over->{dbh}->sqlite_db_filename;
+ $over_fn =~ tr/\n/\0/;
+ print $w "O $over_fn\n" or die "failed to write over $!";
+ } else {
+ $self->over_check($over);