fix: TICKET 0009383: Cannot use 'Tree Counters Latest Exec On Test Plan on Platform' setting (#372)

The view latest_exec_by_testplan_plat was missing for Postgresql

Co-authored-by: atisne <aurelien.tisne@cs-soprasteria.com>

Author: atisne

install/sql/postgres/testlink_create_tables.sql

@@ -1088,6 +1088,15 @@ CREATE OR REPLACE VIEW /*prefix*/tcversions_without_platforms AS
                  WHERE TCPL.tcversion_id = NHTCV.id ) )
 );
 
+--
+--
+CREATE OR REPLACE VIEW /*prefix*/latest_exec_by_testplan_plat AS
+(
+  SELECT tcversion_id, testplan_id,platform_id,max(id) AS id
+  FROM /*prefix*/executions
+  GROUP BY tcversion_id,testplan_id,platform_id
+);
+
 --
 --
 CREATE OR REPLACE VIEW /*prefix*/tsuites_tree_depth_2 AS