New files for setup

geocoder/setup/admin0/indexes.sql

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+-- create indexes on synonyms table
+CREATE INDEX idx_admin0_synonyms_name_patt ON admin0_synonyms (name_ text_pattern_ops);
+--CREATE INDEX idx_admin0_synonyms_name ON admin0_synonyms (lower(regexp_replace(name, '\W+'::text, ''::text)));
+CREATE INDEX idx_admin0_synonyms_name_ ON admin0_synonyms (name_);
+--CREATE INDEX idx_admin0_synonyms_nam ON admin0_synonyms (name);
+CREATE INDEX idx_admin0_synonyms_rank ON admin0_synonyms (rank);
+CREATE INDEX idx_admin0_synonyms_name_rank ON admin0_synonyms (name_, rank);
+
+-- create indexes on polygon table
+CREATE UNIQUE INDEX idx_ne_admin0_v3_adm0_a3 ON ne_admin0_v3 (adm0_a3);

geocoder/setup/admin0/response-types.sql

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+-- Response types for admin0 geocoder
+CREATE TYPE geocode_admin_v1 AS (q TEXT, geom GEOMETRY, success BOOLEAN);
+CREATE TYPE synonym_lookup_v1 AS (q TEXT, s TEXT);
+--CREATE TYPE synonym_lookup_v1 AS (q TEXT, adm0_a3 TEXT);

geocoder/setup/admin0/triggers.sql

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+-- create trigger function. used in both admin0 and admin1 synonym tables
+CREATE OR REPLACE FUNCTION alpha_numeric_identifiers() RETURNS trigger AS $alpha_numeric_identifiers$
+    BEGIN
+        NEW.name_ := lower(regexp_replace(NEW.name, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'));
+        RETURN NEW;
+    END;
+$alpha_numeric_identifiers$ LANGUAGE plpgsql;
+
+-- add trigger on admin0 synonym table name_ column
+CREATE TRIGGER admin0_synonyms_name_update
+BEFORE INSERT OR UPDATE OF name ON admin0_synonyms
+  FOR EACH ROW EXECUTE PROCEDURE alpha_numeric_identifiers()

geocoder/setup/admin1/indexes.sql

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+-- Index on admin1 id
+CREATE UNIQUE INDEX idx_qs_adm1_global_id ON qs_adm1 (global_id)
+CREATE INDEX idx_admin1_synonyms_name_adm0 ON admin1_synonyms (name_, adm0_a3)

geocoder/setup/admin1/triggers.sql

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+-- create trigger function. used in both admin0 and admin1 synonym tables
+CREATE OR REPLACE FUNCTION alpha_numeric_identifiers() RETURNS trigger AS $alpha_numeric_identifiers$
+    BEGIN
+        NEW.name_ := lower(regexp_replace(NEW.name, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'));
+        RETURN NEW;
+    END;
+$alpha_numeric_identifiers$ LANGUAGE plpgsql;
+
+-- add trigger on admin1 synonym table name_ column
+CREATE TRIGGER admin1_synonyms_name_update
+BEFORE INSERT OR UPDATE OF name ON admin1_synonyms
+  FOR EACH ROW EXECUTE PROCEDURE alpha_numeric_identifiers()

geocoder/setup/namedplace/indexes.sql

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+-- create indexes on named places table
+CREATE INDEX idx_global_cities_points_limited_a ON global_cities_points_limited (lowername, iso2)
+CREATE INDEX idx_global_cities_points_limited_admin1 ON global_cities_points_limited (admin1)
+CREATE INDEX idx_global_cities_points_limited_geoname_id ON global_cities_points_limited (geoname_id)
+
+CREATE INDEX idx_global_cities_alternates_limited_admin1 ON global_cities_alternates_limited (admin1)
+CREATE INDEX idx_global_cities_alternates_limited_admin1_geonameid ON global_cities_alternates_limited (admin1_geonameid)
+CREATE INDEX idx_global_cities_alternates_limited_lowername ON global_cities_alternates_limited (lowername)

geocoder/setup/postal-codes/indexes.sql

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+-- create indexes on postal code polygon table
+CREATE UNIQUE INDEX idx_postal_code_polygons_a3_code ON postal_code_polygons (adm0_a3, postal_code)