231 lines
8.7 KiB
PL/PgSQL
231 lines
8.7 KiB
PL/PgSQL
DROP TRIGGER IF EXISTS trigger_flag_transportation_name ON osm_highway_linestring;
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DROP TRIGGER IF EXISTS trigger_refresh ON transportation_name.updates;
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-- Instead of using relations to find out the road names we
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-- stitch together the touching ways with the same name
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-- to allow for nice label rendering
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-- Because this works well for roads that do not have relations as well
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-- etldoc: osm_highway_linestring -> osm_transportation_name_network
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-- etldoc: osm_route_member -> osm_transportation_name_network
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CREATE MATERIALIZED VIEW osm_transportation_name_network AS
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(
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SELECT hl.geometry,
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hl.osm_id,
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CASE WHEN length(hl.name) > 15 THEN osml10n_street_abbrev_all(hl.name) ELSE hl.name END AS "name",
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CASE WHEN length(hl.name_en) > 15 THEN osml10n_street_abbrev_en(hl.name_en) ELSE hl.name_en END AS "name_en",
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CASE WHEN length(hl.name_de) > 15 THEN osml10n_street_abbrev_de(hl.name_de) ELSE hl.name_de END AS "name_de",
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hl.tags,
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rm.network_type,
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CASE
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WHEN (rm.network_type IS NOT NULL AND nullif(rm.ref::text, '') IS NOT NULL)
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THEN rm.ref::text
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ELSE hl.ref
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END AS ref,
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hl.highway,
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hl.construction,
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CASE WHEN highway IN ('footway', 'steps') THEN layer END AS layer,
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CASE WHEN highway IN ('footway', 'steps') THEN "level" END AS "level",
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CASE WHEN highway IN ('footway', 'steps') THEN indoor END AS indoor,
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ROW_NUMBER() OVER (PARTITION BY hl.osm_id
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ORDER BY rm.network_type) AS "rank",
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hl.z_order
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FROM osm_highway_linestring hl
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LEFT JOIN osm_route_member rm ON (rm.member = hl.osm_id)
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_network_geometry_idx ON osm_transportation_name_network USING gist (geometry);
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-- etldoc: osm_transportation_name_network -> osm_transportation_name_linestring
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CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS
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(
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SELECT (ST_Dump(geometry)).geom AS geometry,
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NULL::bigint AS osm_id,
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name,
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name_en,
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name_de,
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tags || get_basic_names(tags, geometry) AS "tags",
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ref,
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highway,
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construction,
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"level",
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layer,
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indoor,
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network_type AS network,
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z_order
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FROM (
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SELECT ST_LineMerge(ST_Collect(geometry)) AS geometry,
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name,
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name_en,
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name_de,
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hstore(string_agg(nullif(slice_language_tags(tags ||
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hstore(ARRAY ['name', name, 'name:en', name_en, 'name:de', name_de]))::text,
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''), ',')) AS "tags",
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ref,
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highway,
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construction,
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"level",
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layer,
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indoor,
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network_type,
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min(z_order) AS z_order
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FROM osm_transportation_name_network
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WHERE ("rank" = 1 OR "rank" IS NULL)
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AND (name <> '' OR ref <> '')
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AND NULLIF(highway, '') IS NOT NULL
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GROUP BY name, name_en, name_de, ref, highway, construction, "level", layer, indoor, network_type
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) AS highway_union
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_geometry_idx ON osm_transportation_name_linestring USING gist (geometry);
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_highway_partial_idx
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ON osm_transportation_name_linestring (highway, construction)
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WHERE highway IN ('motorway', 'trunk', 'construction');
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-- etldoc: osm_transportation_name_linestring -> osm_transportation_name_linestring_gen1
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CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen1 AS
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(
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SELECT ST_Simplify(geometry, 50) AS geometry,
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osm_id,
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name,
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name_en,
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name_de,
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tags,
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ref,
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highway,
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construction,
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network,
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z_order
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FROM osm_transportation_name_linestring
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WHERE (highway IN ('motorway', 'trunk') OR highway = 'construction' AND construction IN ('motorway', 'trunk'))
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AND ST_Length(geometry) > 8000
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_geometry_idx ON osm_transportation_name_linestring_gen1 USING gist (geometry);
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_highway_partial_idx
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ON osm_transportation_name_linestring_gen1 (highway, construction)
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WHERE highway IN ('motorway', 'trunk', 'construction');
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-- etldoc: osm_transportation_name_linestring_gen1 -> osm_transportation_name_linestring_gen2
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CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen2 AS
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(
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SELECT ST_Simplify(geometry, 120) AS geometry,
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osm_id,
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name,
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name_en,
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name_de,
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tags,
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ref,
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highway,
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construction,
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network,
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z_order
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FROM osm_transportation_name_linestring_gen1
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WHERE (highway IN ('motorway', 'trunk') OR highway = 'construction' AND construction IN ('motorway', 'trunk'))
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AND ST_Length(geometry) > 14000
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_geometry_idx ON osm_transportation_name_linestring_gen2 USING gist (geometry);
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_highway_partial_idx
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ON osm_transportation_name_linestring_gen2 (highway, construction)
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WHERE highway IN ('motorway', 'trunk', 'construction');
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-- etldoc: osm_transportation_name_linestring_gen2 -> osm_transportation_name_linestring_gen3
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CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS
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(
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SELECT ST_Simplify(geometry, 200) AS geometry,
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osm_id,
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name,
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name_en,
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name_de,
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tags,
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ref,
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highway,
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construction,
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network,
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z_order
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FROM osm_transportation_name_linestring_gen2
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WHERE (highway = 'motorway' OR highway = 'construction' AND construction = 'motorway')
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AND ST_Length(geometry) > 20000
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist (geometry);
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_highway_partial_idx
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ON osm_transportation_name_linestring_gen3 (highway, construction)
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WHERE highway IN ('motorway', 'construction');
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-- etldoc: osm_transportation_name_linestring_gen3 -> osm_transportation_name_linestring_gen4
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CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen4 AS
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(
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SELECT ST_Simplify(geometry, 500) AS geometry,
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osm_id,
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name,
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name_en,
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name_de,
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tags,
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ref,
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highway,
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construction,
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network,
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z_order
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FROM osm_transportation_name_linestring_gen3
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WHERE (highway = 'motorway' OR highway = 'construction' AND construction = 'motorway')
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AND ST_Length(geometry) > 20000
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen4_geometry_idx ON osm_transportation_name_linestring_gen4 USING gist (geometry);
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-- Handle updates
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CREATE SCHEMA IF NOT EXISTS transportation_name;
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CREATE TABLE IF NOT EXISTS transportation_name.updates
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(
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id serial PRIMARY KEY,
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t text,
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UNIQUE (t)
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);
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CREATE OR REPLACE FUNCTION transportation_name.flag() RETURNS trigger AS
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$$
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BEGIN
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INSERT INTO transportation_name.updates(t) VALUES ('y') ON CONFLICT(t) DO NOTHING;
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION transportation_name.refresh() RETURNS trigger AS
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$$
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BEGIN
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RAISE LOG 'Refresh transportation_name';
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PERFORM update_osm_route_member();
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REFRESH MATERIALIZED VIEW osm_transportation_name_network;
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REFRESH MATERIALIZED VIEW osm_transportation_name_linestring;
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REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen1;
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REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen2;
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REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen3;
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REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen4;
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-- noinspection SqlWithoutWhere
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DELETE FROM transportation_name.updates;
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trigger_flag_transportation_name
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AFTER INSERT OR UPDATE OR DELETE
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ON osm_route_member
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FOR EACH STATEMENT
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EXECUTE PROCEDURE transportation_name.flag();
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CREATE TRIGGER trigger_flag_transportation_name
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AFTER INSERT OR UPDATE OR DELETE
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ON osm_highway_linestring
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FOR EACH STATEMENT
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EXECUTE PROCEDURE transportation_name.flag();
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CREATE CONSTRAINT TRIGGER trigger_refresh
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AFTER INSERT
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ON transportation_name.updates
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INITIALLY DEFERRED
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FOR EACH ROW
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EXECUTE PROCEDURE transportation_name.refresh();
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