kopia lustrzana https://github.com/openmaptiles/openmaptiles
237 wiersze
8.4 KiB
PL/PgSQL
237 wiersze
8.4 KiB
PL/PgSQL
DROP TRIGGER IF EXISTS trigger_flag_transportation ON osm_highway_linestring;
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DROP TRIGGER IF EXISTS trigger_refresh ON transportation.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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-- Improve performance of the sql in transportation/update_route_member.sql
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CREATE INDEX IF NOT EXISTS osm_highway_linestring_highway_partial_idx
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ON osm_highway_linestring (highway)
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WHERE highway IN ('motorway', 'trunk');
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-- etldoc: osm_highway_linestring_gen_z11 -> osm_transportation_merge_linestring_gen_z11
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DROP MATERIALIZED VIEW IF EXISTS osm_transportation_merge_linestring_gen_z11 CASCADE;
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z11 AS
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(
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SELECT (ST_Dump(ST_LineMerge(ST_Collect(geometry)))).geom AS geometry,
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NULL::bigint AS osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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min(z_order) as z_order,
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bicycle,
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foot,
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horse,
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mtb_scale,
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layer
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FROM osm_highway_linestring_gen_z11
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-- mapping.yaml pre-filter: motorway/trunk/primary/secondary/tertiary, with _link variants, construction, ST_IsValid()
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GROUP BY highway, network, construction, is_bridge, is_tunnel, is_ford, bicycle, foot, horse, mtb_scale, layer
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z11_geometry_idx
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ON osm_transportation_merge_linestring_gen_z11 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z11 -> osm_transportation_merge_linestring_gen_z10
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z10 AS
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(
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SELECT ST_Simplify(geometry, ZRes(12)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order,
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bicycle,
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foot,
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horse,
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mtb_scale,
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layer
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FROM osm_transportation_merge_linestring_gen_z11
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WHERE highway NOT IN ('tertiary', 'tertiary_link')
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OR construction NOT IN ('tertiary', 'tertiary_link')
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z10_geometry_idx
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ON osm_transportation_merge_linestring_gen_z10 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z10 -> osm_transportation_merge_linestring_gen_z9
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z9 AS
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(
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SELECT ST_Simplify(geometry, ZRes(11)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order,
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bicycle,
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foot,
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horse,
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mtb_scale,
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layer
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FROM osm_transportation_merge_linestring_gen_z10
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-- Current view: motorway/primary/secondary, with _link variants and construction
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z9_geometry_idx
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ON osm_transportation_merge_linestring_gen_z9 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z9 -> osm_transportation_merge_linestring_gen_z8
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z8 AS
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(
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SELECT ST_Simplify(ST_LineMerge(ST_Collect(geometry)), ZRes(10)) AS geometry,
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NULL::bigint AS osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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min(z_order) as z_order
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FROM osm_transportation_merge_linestring_gen_z9
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WHERE (highway IN ('motorway', 'trunk', 'primary') OR
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construction IN ('motorway', 'trunk', 'primary'))
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AND ST_IsValid(geometry)
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GROUP BY highway, network, construction, is_bridge, is_tunnel, is_ford
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z8_geometry_idx
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ON osm_transportation_merge_linestring_gen_z8 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z8 -> osm_transportation_merge_linestring_gen_z7
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z7 AS
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(
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SELECT ST_Simplify(geometry, ZRes(9)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order
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FROM osm_transportation_merge_linestring_gen_z8
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-- Current view: motorway/trunk/primary
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WHERE ST_Length(geometry) > 50
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z7_geometry_idx
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ON osm_transportation_merge_linestring_gen_z7 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z7 -> osm_transportation_merge_linestring_gen_z6
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z6 AS
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(
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SELECT ST_Simplify(geometry, ZRes(8)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order
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FROM osm_transportation_merge_linestring_gen_z7
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WHERE (highway IN ('motorway', 'trunk') OR construction IN ('motorway', 'trunk'))
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AND ST_Length(geometry) > 100
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z6_geometry_idx
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ON osm_transportation_merge_linestring_gen_z6 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z6 -> osm_transportation_merge_linestring_gen_z5
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z5 AS
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(
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SELECT ST_Simplify(geometry, ZRes(7)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order
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FROM osm_transportation_merge_linestring_gen_z6
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WHERE ST_Length(geometry) > 500
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-- Current view: motorway/trunk
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z5_geometry_idx
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ON osm_transportation_merge_linestring_gen_z5 USING gist (geometry);
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-- etldoc: osm_transportation_merge_linestring_gen_z5 -> osm_transportation_merge_linestring_gen_z4
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CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z4 AS
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(
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SELECT ST_Simplify(geometry, ZRes(6)) AS geometry,
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osm_id,
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highway,
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network,
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construction,
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is_bridge,
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is_tunnel,
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is_ford,
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z_order
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FROM osm_transportation_merge_linestring_gen_z5
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WHERE (highway = 'motorway' OR construction = 'motorway')
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AND ST_Length(geometry) > 1000
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) /* DELAY_MATERIALIZED_VIEW_CREATION */;
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CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen_z4_geometry_idx
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ON osm_transportation_merge_linestring_gen_z4 USING gist (geometry);
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-- Handle updates
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CREATE SCHEMA IF NOT EXISTS transportation;
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CREATE TABLE IF NOT EXISTS transportation.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.flag() RETURNS trigger AS
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$$
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BEGIN
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INSERT INTO transportation.updates(t) VALUES ('y') ON CONFLICT(t) DO NOTHING;
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION transportation.refresh() RETURNS trigger AS
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$$
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DECLARE
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t TIMESTAMP WITH TIME ZONE := clock_timestamp();
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BEGIN
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RAISE LOG 'Refresh transportation';
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z11;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z10;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z9;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z8;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z7;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z6;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z5;
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REFRESH MATERIALIZED VIEW osm_transportation_merge_linestring_gen_z4;
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-- noinspection SqlWithoutWhere
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DELETE FROM transportation.updates;
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RAISE LOG 'Refresh transportation done in %', age(clock_timestamp(), t);
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RETURN NULL;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trigger_flag_transportation
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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.flag();
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CREATE CONSTRAINT TRIGGER trigger_refresh
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AFTER INSERT
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ON transportation.updates
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INITIALLY DEFERRED
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FOR EACH ROW
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EXECUTE PROCEDURE transportation.refresh();
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