update of old PL/SQL PLpgSQL and SQLPL patch based on current version

see [linguist] add support for oracle PLSQL (#1003)

samples/PLSQL/myobject.sql

@@ -0,0 +1,15 @@
+create or replace type myobject
+AUTHID DEFINER
+AS OBJECT
+(
+        m_name varchar2(200),
+        member function toString RETURN VARCHAR2,
+        map member function Compare return varchar2
+
+)
+not instantiable not final;
+/
+
+prompt create type myarray
+create or replace type myarray as table of myobject;
+/