structuring for a make file

geocoder/admin0/sql/build_synonym_table.sql

@@ -0,0 +1,75 @@
+
+---- ADMIN0_SYNONYMS ---
+-- insert data from ne_admin_0 into admin0_synonyms
+-- the name column from ne_10m_countries is assigned a rank of 0
+INSERT INTO admin0_synonyms (name, rank, adm0_a3)
+    SELECT name, 0, adm0_a3 
+    FROM ne_admin0_v3;
+
+-- separate data from the name_alt column from ne_admin0_v3 using `|` as a delimiter 
+-- and insert into admin1_synonyms as new rows with a rank=1
+INSERT INTO admin0_synonyms (name, rank, adm0_a3) 
+SELECT 
+    regexp_split_to_table(ne_admin0_v3.name_alt, E'\\|' ) AS name, 1, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert ad0_a3  codes as synonyms with a rank = 3
+INSERT INTO admin0_synonyms (name, rank, adm0_a3) 
+SELECT 
+    adm0_a3, 3,  adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert abbrv as name with a rank = 4
+INSERT INTO admin0_synonyms (name, rank,  adm0_a3) 
+SELECT 
+    abbrev, 4, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert formal_en as name with a rank = 5
+INSERT INTO admin0_synonyms (name, rank,  adm0_a3) 
+SELECT 
+    formal_en, 5, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert brk_name as name with a rank = 6
+INSERT INTO admin0_synonyms (name, rank,  adm0_a3) 
+SELECT 
+    brk_name, 6, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert formal_fr as name with a rank = 7
+INSERT INTO admin0_synonyms (name, rank,  adm0_a3) 
+SELECT 
+    formal_fr, 7, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- insert iso_a2 as name with a rank = 8    
+INSERT INTO admin0_synonyms (name, rank, adm0_a3)
+SELECT
+    iso_a2, 8, adm0_a3
+FROM
+    ne_admin0_v3;
+
+-- remove all cases where name is NULL
+DELETE FROM admin0_synonyms WHERE name IS NULL;
+
+-- remove all cases where a name is duplicated with a higher rank
+DELETE FROM admin0_synonyms 
+    WHERE cartodb_id IN (
+        SELECT 
+            cartodb_id 
+        FROM 
+            admin0_synonyms a 
+        WHERE 
+            0 < (
+                SELECT count(*) 
+                FROM admin0_synonyms 
+                WHERE name_ = a.name_ 
+                  AND adm0_a3 = a.adm0_a3 
+                  AND rank < a.rank));

geocoder/admin0/sql/geocoder.sql

@@ -0,0 +1,27 @@
+CREATE OR REPLACE FUNCTION test_geocode_admin0_polygons(name text[])
+  RETURNS SETOF geocode_admin_v1 AS $$
+  DECLARE 
+    ret geocode_admin_v1%rowtype;
+  BEGIN
+  FOR ret IN
+    SELECT
+       q, geom, CASE WHEN geom IS NULL THEN FALSE ELSE TRUE END AS success
+    FROM (
+      SELECT 
+        q, (
+          SELECT the_geom 
+          FROM ne_admin0_v3
+          WHERE adm0_a3 = (
+            SELECT adm0_a3 FROM admin0_synonyms
+            WHERE name_ = lower(regexp_replace(d.q, '[^a-zA-Z]', '', 'g'))  
+            ORDER BY rank ASC LIMIT 1
+          )
+        ) geom
+      FROM (SELECT unnest(name) q) d
+    ) v
+  LOOP 
+    RETURN NEXT ret;
+  END LOOP;
+  RETURN;
+END
+$$ LANGUAGE 'plpgsql' SECURITY DEFINER;

geocoder/admin0/sql/subdivide_polygons.sql

@@ -0,0 +1,26 @@
+---- Subdivide France into subregions ----
+--- Assumes fresh NaturalEarth admin0 dataset
+-- Split French Guiane from France
+INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
+
+WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3  FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(4, -53)))
+
+SELECT geom, 'GUF', 'French Guiane'  FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(4, -53), 8));
+
+-- Split Corse from France
+INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
+
+WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3  FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(42.14, 9.12)))
+
+SELECT ST_Collect(geom), 'FRH', 'Corse'  FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(42.14, 9.12), 2));
+
+-- Split Reunion from France
+INSERT INTO ne_admin0_v3 (the_geom, adm0_a3, name)
+
+WITH a AS (SELECT (ST_Dump(the_geom)).geom geom,adm0_a3  FROM ne_admin0_v3 WHERE ST_Intersects(the_geom, CDB_LatLNg(-21.12, 55.51)))
+
+SELECT ST_Collect(geom), 'REU', 'Reunion'  FROM a WHERE ST_Intersects(geom, ST_Buffer(CDB_LatLNg(-21.12, 55.51),2));
+
+-- Remove the above three from the FRA polygon
+WITH a AS (SELECT (ST_Dump(the_geom)).geom geom  FROM ne_admin0_v3 WHERE adm0_a3 = 'FRA')
+UPDATE ne_admin0_v3 SET the_geom = (SELECT ST_Union(geom) FROM a WHERE NOT ST_intersects(geom, (SELECT ST_Union(the_geom) FROM ne_admin0_v3 WHERE adm0_a3 IN ('GUF', 'FRH', 'REU')))) WHERE adm0_a3 = 'FRA';