Print out db_select/views final query for debugging

gistfile1.txt

// Print out query built by views:
// Can use pre_execute or post_render (probably more also).
function hook_views_pre_execute(&$view) {
  dpq($view->build_info['query']);
}

// Print out query build by db_select:
dpm((string) $query);
dpm($query->arguments());