2622c5bfac
* Fix space at start in update_osm_route_member() * Update Canada network route name * Update Canadian route network
69 lines
2.9 KiB
PL/PgSQL
69 lines
2.9 KiB
PL/PgSQL
DROP TRIGGER IF EXISTS trigger_flag_transportation_name ON osm_route_member;
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-- create GBR relations (so we can use it in the same way as other relations)
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CREATE OR REPLACE FUNCTION update_gbr_route_members() RETURNS VOID AS $$
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DECLARE gbr_geom geometry;
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BEGIN
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SELECT st_buffer(geometry, 10000) INTO gbr_geom FROM ne_10m_admin_0_countries where iso_a2 = 'GB';
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DELETE FROM osm_route_member WHERE network IN ('omt-gb-motorway', 'omt-gb-trunk');
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INSERT INTO osm_route_member (osm_id, member, ref, network)
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SELECT 0, osm_id, substring(ref FROM E'^[AM][0-9AM()]+'),
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CASE WHEN highway = 'motorway' THEN 'omt-gb-motorway' ELSE 'omt-gb-trunk' END
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FROM osm_highway_linestring
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WHERE
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length(ref)>0 AND
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ST_Intersects(geometry, gbr_geom) AND
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highway IN ('motorway', 'trunk')
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;
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END;
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$$ LANGUAGE plpgsql;
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-- etldoc: osm_route_member -> osm_route_member
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CREATE OR REPLACE FUNCTION update_osm_route_member() RETURNS VOID AS $$
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BEGIN
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PERFORM update_gbr_route_members();
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-- see http://wiki.openstreetmap.org/wiki/Relation:route#Road_routes
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UPDATE osm_route_member
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SET network_type =
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CASE
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WHEN network = 'US:I' THEN 'us-interstate'::route_network_type
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WHEN network = 'US:US' THEN 'us-highway'::route_network_type
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WHEN network LIKE 'US:__' THEN 'us-state'::route_network_type
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-- https://en.wikipedia.org/wiki/Trans-Canada_Highway
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-- TODO: improve hierarchical queries using
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-- http://www.openstreetmap.org/relation/1307243
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-- however the relation does not cover the whole Trans-Canada_Highway
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WHEN
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(network = 'CA:transcanada') OR
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(network = 'CA:BC:primary' AND ref IN ('16')) OR
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(name = 'Yellowhead Highway (AB)' AND ref IN ('16')) OR
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(network = 'CA:SK:primary' AND ref IN ('16')) OR
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(network = 'CA:ON:primary' AND ref IN ('17', '417')) OR
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(name = 'Route Transcanadienne') OR
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(network = 'CA:NB:primary' AND ref IN ('2', '16')) OR
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(network = 'CA:PE' AND ref IN ('1')) OR
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(network = 'CA:NS' AND ref IN ('104', '105')) OR
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(network = 'CA:NL:R' AND ref IN ('1')) OR
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(name = 'Trans-Canada Highway')
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THEN 'ca-transcanada'::route_network_type
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WHEN network = 'omt-gb-motorway' THEN 'gb-motorway'::route_network_type
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WHEN network = 'omt-gb-trunk' THEN 'gb-trunk'::route_network_type
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END
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;
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END;
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$$ LANGUAGE plpgsql;
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CREATE INDEX IF NOT EXISTS osm_route_member_network_idx ON osm_route_member("network");
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CREATE INDEX IF NOT EXISTS osm_route_member_member_idx ON osm_route_member("member");
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CREATE INDEX IF NOT EXISTS osm_route_member_name_idx ON osm_route_member("name");
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CREATE INDEX IF NOT EXISTS osm_route_member_ref_idx ON osm_route_member("ref");
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SELECT update_osm_route_member();
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CREATE INDEX IF NOT EXISTS osm_route_member_network_type_idx ON osm_route_member("network_type");
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