Update README.md

Author: akorotkov

README.md

@@ -32,6 +32,13 @@ Based on partitioning type and operator the `pg_pathman` searches corresponding
 
 ## Roadmap
 
+
+ * Execute time sections selections (useful for nested loops and prepared statements);
+ * Optimization of ordering output from patitioned tables (useful for merge join and order by);
+ * Optimization of hash join when both tables are patitioned by join key;
+ * LIST-patitioning;
+ * HASH-patitioning by non integer attribtes.
+
 * Optimize the execution of the NestedLoop join method;
 * LIST-partitioning;
 * HASH-partitioning for non integer attributes.