take a look at these query plans - http://www.depesz.com/index.php/2010/12/11/waiting-for-9-1-knngist/ http://www.depesz.com/index.php/2010/12/11/waiting-for-9-

take a look at these query plans - http://www.depesz.com/index.php/2010/12/11/waiting-for-9-1-knngist/ http://www.depesz.com/index.php/2010/12/11/waiting-for-9-1-k...