51 lines
2.1 KiB
PL/PgSQL
51 lines
2.1 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION cdb_dataservices_server.cdb_geocode_admin0_polygon(username text, orgname text, country_name text)
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RETURNS Geometry AS $$
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from cartodb_services.metrics import QuotaService
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from cartodb_services.metrics import InternalGeocoderConfig
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plpy.execute("SELECT cdb_dataservices_server._connect_to_redis('{0}')".format(username))
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redis_conn = GD["redis_connection_{0}".format(username)]['redis_metrics_connection']
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user_geocoder_config = InternalGeocoderConfig(redis_conn, username, orgname)
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quota_service = QuotaService(user_geocoder_config, redis_conn)
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try:
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plan = plpy.prepare("SELECT cdb_dataservices_server._cdb_geocode_admin0_polygon(trim($1)) AS mypolygon", ["text"])
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rv = plpy.execute(plan, [country_name], 1)
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result = rv[0]["mypolygon"]
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if result:
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quota_service.increment_success_geocoder_use()
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return result
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else:
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quota_service.increment_empty_geocoder_use()
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return None
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except BaseException as e:
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import sys, traceback
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type_, value_, traceback_ = sys.exc_info()
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quota_service.increment_failed_geocoder_use()
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error_msg = 'There was an error trying to geocode using admin0 geocoder: {0}'.format(e)
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plpy.notice(traceback.format_tb(traceback_))
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plpy.error(error_msg)
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finally:
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quota_service.increment_total_geocoder_use()
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$$ LANGUAGE plpythonu;
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--------------------------------------------------------------------------------
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-- Implementation of the server extension
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-- Note: these functions depend on the cdb_geocoder extension
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._cdb_geocode_admin0_polygon(country_name text)
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RETURNS Geometry AS $$
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DECLARE
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ret Geometry;
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BEGIN
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SELECT n.the_geom as geom INTO ret
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FROM (SELECT q, lower(regexp_replace(q, '[^a-zA-Z\u00C0-\u00ff]+', '', 'g'))::text x
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FROM (SELECT country_name q) g) d
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LEFT OUTER JOIN admin0_synonyms s ON name_ = d.x
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LEFT OUTER JOIN ne_admin0_v3 n ON s.adm0_a3 = n.adm0_a3 GROUP BY d.q, n.the_geom, s.adm0_a3;
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RETURN ret;
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END
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$$ LANGUAGE plpgsql;
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