Update roadlink_roadnode, add roadlinkinformation_roadlink view

The OSMM ITN roadlink_roadnode view now contains the
directednode_orientation and directednode_gradeseparation values
associated with each roadnode. The roadlinkinformation_roadlink view is
a convenience lookup between roadlinkinformation and roadlink.

Closes AstunTechnology#30

extras/ordnancesurvey/osmm/itn/views.sql

@@ -10,10 +10,14 @@ FROM
 -- Lookup between roadlink and the roadnodes at it's start and end
 CREATE OR REPLACE VIEW osmm_itn.roadlink_roadnode AS
 SELECT a.roadlink_fid,
-       replace(a.roadnode_fid::text, '#', '') AS roadnode_fid
+       replace(a.roadnode_fid::text, '#', '') AS roadnode_fid,
+       a.directednode_orientation,
+       a.directednode_gradeseparation
 FROM
     (SELECT roadlink.fid AS roadlink_fid,
-            unnest(roadlink.directednode_href) AS roadnode_fid
+            unnest(roadlink.directednode_href) AS roadnode_fid,
+            unnest(roadlink.directednode_orientation) AS directednode_orientation,
+            unnest(roadlink.directednode_gradeseparation) AS directednode_gradeseparation
      FROM osmm_itn.roadlink) AS a;
 
 -- Lookup between ferrylink and ferrynode on fid
@@ -59,6 +63,13 @@ FROM
           generate_subscripts(directedlink_href, 1) AS roadlink_order
    FROM osmm_itn.roadrouteinformation) AS a;
 
+-- Lookup between roadlinkinformation and roadlink on fid
+-- Used to link in additional RRI to the network
+CREATE OR REPLACE VIEW osmm_itn.roadlinkinformation_roadlink AS
+SELECT fid AS roadlinkinformation_fid,
+       replace(referencetoroadlink_href, '#', '') AS roadlink_fid
+FROM osmm_itn.roadlinkinformation;
+
 -- Each roadlink with associated roadname(s) and fid of road in case more info
 -- is required
 CREATE OR REPLACE VIEW osmm_itn.roads AS