+ defined($docid) ? inspect_docid($lei, $docid, $ent) : $ent;
+}
+
+sub inspect_mid ($$) {
+ my ($lei, $mid) = @_;
+ my ($ibx, $over);
+ my $ent = { mid => $mid };
+ if (defined(my $dir = $lei->{opt}->{dir})) {
+ my $num2docid = $lei->{lse}->can('num mid => [ $mid ] 2docid');
+ $ibx = dir2ibx($lei, $dir) or return;
+ # $ent->{xdb} = $ibx->xdb //
+ # return $lei->fail("no Xapian DB for $dir");
+ } else {
+ $ibx = $lei->{lse};
+ $lei->{lse}->xdb; # set {nshard} for num2docid
+ }
+ if ($ibx && $ibx->over) {
+ my ($id, $prev);
+ while (my $smsg = $ibx->over->next_by_mid($mid, \$id, \$prev)) {
+ push @{$ent->{smsg}}, { %$smsg }
+ }
+ }
+ $ent;