+ // MySQL (or at least 5.5.5-10.0.23-MariaDB) chooses a really bad query
+ // plan if it thinks there will be more matching rows in the linktable
+ // than are in page. Use STRAIGHT_JOIN here to force it to use the
+ // intended, fast plan. See T145079 for details.
+ $this->addOption( 'STRAIGHT_JOIN' );
+