new view - v_current_contact_mechanisms

git-svn-id: http://locode01.ad.dom/svn/WEBMIP/trunk@3029 248e525c-4dfb-0310-94bc-949c084e9493

Schema/v_current_contact_mechanisms.vw

@@ -0,0 +1,16 @@
+CREATE OR REPLACE VIEW v_current_contact_mechanisms AS
+SELECT *
+FROM (SELECT prty.ID AS Prty_ID,
+       come_id AS Come_ID,
+       come.comt_code AS Code,
+       come.contact_value AS Contact_value,
+       prty_come.start_date AS start_date,
+       prty_come.end_date AS end_date,
+       prty_come.comments AS comments,
+       MAX(prty_come.start_date) over(PARTITION BY prty.ID, come.comt_code) AS max_start_date
+  FROM parties prty,
+       party_contact_mechanisms prty_come,
+       contact_mechanisms come
+ WHERE prty.id = prty_come.prty_id
+       AND come.id = prty_come.come_id)
+WHERE start_date = max_start_date;