Google geocoder working

This commit is contained in:
Mario de Frutos
2016-01-27 19:04:27 +01:00
parent 731eb8c74f
commit e7c58b9a51
39 changed files with 2349 additions and 34 deletions

View File

@@ -0,0 +1,37 @@
-- Interface of the server extension
CREATE OR REPLACE FUNCTION cdb_geocoder_server.cdb_geocode_admin0_polygon(username text, orgname text, country_name text)
RETURNS Geometry AS $$
plpy.debug('Entering cdb_geocode_admin0_polygons')
plpy.debug('user = %s' % username)
#--TODO: rate limiting check
#--TODO: quota check
#-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
plan = plpy.prepare("SELECT cdb_geocoder_server._cdb_geocode_admin0_polygon($1) AS mypolygon", ["text"])
rv = plpy.execute(plan, [country_name], 1)
plpy.debug('Returning from Returning from cdb_geocode_admin0_polygons')
return rv[0]["mypolygon"]
$$ LANGUAGE plpythonu;
--------------------------------------------------------------------------------
-- Implementation of the server extension
-- Note: these functions depend on the cdb_geocoder extension
CREATE OR REPLACE FUNCTION cdb_geocoder_server._cdb_geocode_admin0_polygon(country_name text)
RETURNS Geometry AS $$
DECLARE
ret Geometry;
BEGIN
SELECT n.the_geom as geom INTO ret
FROM (SELECT q, lower(regexp_replace(q, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'))::text x
FROM (SELECT country_name q) g) d
LEFT OUTER JOIN admin0_synonyms s ON name_ = d.x
LEFT OUTER JOIN ne_admin0_v3 n ON s.adm0_a3 = n.adm0_a3 GROUP BY d.q, n.the_geom, s.adm0_a3;
RETURN ret;
END
$$ LANGUAGE plpgsql;