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));