Create packagespec_function.sql

Added function spec example for "Added PIPELINE keyword in function spec rule"

Author: Pilo11

sql/plsql/examples/packagespec_function.sql

@@ -0,0 +1,4 @@
+-- Adding pipelined and deterministic keyword in one function spec
+CREATE OR REPLACE PACKAGE TEST IS 
+    FUNCTION TEST_FUNC RETURN NUMBER PIPELINED DETERMINISTIC;
+END TEST;