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Changes between Initial Version and Version 1 of Ticket #16910

-                      initial
+                      v1
 }}}
+$country_ids would now be a WP_Lazy_Query object, which would just contain the subquery SQL. It would be appended to the second query, when needed.
+$country_ids would now be a WP_Lazy_Query object, which would just contain the subquery SQL. It would be appended to the second query, when needed:
+) Get all the cities belonging to that country:
+{{{
+$cities = get_posts( array(
+  'post_type' => 'city',
+  'post_parent__in' => $country_ids
+) );
+}}}