+sub query_approxidate { $_[0]->{es}->query_approxidate($_[1], $_[2]) }
+
+sub mset {
+ my ($self, $str, $opt) = @_;
+ my %opt = $opt ? %$opt : ();
+ $opt{eidx_key} = $self->{eidx_key};
+ if (my $uid_range = $opt{uid_range}) {
+ my ($beg, $end) = @$uid_range;
+ my $ibx_id = $self->{-ibx_id} //= _ibx_id($self);
+ my $dbh = $self->{es}->over->dbh;
+ my $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT MIN(docid) FROM xref3 WHERE ibx_id = ? AND xnum >= ? AND xnum <= ?
+
+ $sth->execute($ibx_id, $beg, $end);
+ my @r = ($sth->fetchrow_array);
+
+ $sth = $dbh->prepare_cached(<<'', undef, 1);
+SELECT MAX(docid) FROM xref3 WHERE ibx_id = ? AND xnum >= ? AND xnum <= ?
+
+ $sth->execute($ibx_id, $beg, $end);
+ $r[1] = $sth->fetchrow_array;
+ if (defined($r[1]) && defined($r[0])) {
+ $opt{limit} = $r[1] - $r[0] + 1;
+ } else {
+ $r[1] //= 0xffffffff;
+ $r[0] //= 0;
+ }
+ $opt{uid_range} = \@r;
+ }
+ $self->{es}->mset($str, \%opt);
+}
+