Corrected SQL to include extra services

inventory_provider/db/opsdb.py

@@ -109,15 +109,15 @@ retrieve_services_query = """SELECT *
                         ON pop_a.absid = cc.PTR_pop_a
                       LEFT JOIN pop pop_b
                         ON pop_b.absid = cc.PTR_pop_b
-                      INNER JOIN equipment e_a
+                      LEFT JOIN equipment e_a
                         ON e_a.absid = cc.PTR_equip_a
-                      LEFT JOIN equipment e_b
+                      INNER JOIN equipment e_b
                         ON e_b.absid = cc.PTR_equip_b
                       LEFT JOIN events
                         ON events.absid = cc.PTR_project
-                      INNER JOIN equipment_card ec_a
+                      LEFT JOIN equipment_card ec_a
                         ON ec_a.absid = cc.PTR_card_a
-                      LEFT JOIN equipment_card ec_b
+                      INNER JOIN equipment_card ec_b
                         ON ec_b.absid = cc.PTR_card_b
                       LEFT JOIN organisation o
                         ON o.absid = ec_a.manufacturer