632 lines
18 KiB
PL/PgSQL
632 lines
18 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION water_class(waterway text, water text, leisure text) RETURNS text AS
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$$
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SELECT CASE
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WHEN water IN ('river', 'canal', 'stream', 'ditch', 'drain') THEN 'river'
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%%FIELD_MAPPING: class %%
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ELSE 'lake'
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END;
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$$ LANGUAGE SQL IMMUTABLE
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PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION waterway_brunnel(is_bridge bool, is_tunnel bool) RETURNS text AS
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$$
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SELECT CASE
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WHEN is_bridge THEN 'bridge'
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WHEN is_tunnel THEN 'tunnel'
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END;
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$$ LANGUAGE SQL IMMUTABLE
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STRICT
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PARALLEL SAFE;
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-- Get matching osm id for natural earth id.
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DROP MATERIALIZED VIEW IF EXISTS match_osm_ne_id CASCADE;
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CREATE MATERIALIZED VIEW match_osm_ne_id AS
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(
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WITH name_match AS
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(
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-- Distinct on keeps just the first occurence -> order by 'area_ratio DESC'.
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SELECT DISTINCT ON (ne.ne_id)
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ne.ne_id,
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osm.osm_id,
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(ST_Area(ST_Intersection(ne.geometry, osm.geometry))/ST_Area(ne.geometry)) AS area_ratio
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FROM ne_10m_lakes ne, osm_water_polygon_gen_z6 osm
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WHERE ne.name = osm.name
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AND ST_Intersects(ne.geometry, osm.geometry)
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ORDER BY ne_id,
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area_ratio DESC
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),
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-- Add lakes which are not match by name, but intersects.
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-- Duplicity solves 'DISTICT ON' with 'area_ratio'.
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geom_match AS
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(SELECT DISTINCT ON (ne.ne_id)
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ne.ne_id,
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osm.osm_id,
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(ST_Area(ST_Intersection(ne.geometry, osm.geometry))/ST_Area(ne.geometry)) AS area_ratio
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FROM ne_10m_lakes ne, osm_water_polygon_gen_z6 osm
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WHERE ST_Intersects(ne.geometry, osm.geometry)
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AND ne.ne_id NOT IN
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( SELECT ne_id
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FROM name_match
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)
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ORDER BY ne_id,
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area_ratio DESC
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)
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SELECT ne_id,
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osm_id
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FROM name_match
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UNION
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SELECT ne_id,
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osm_id
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FROM geom_match
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);
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-- ne_10m_ocean
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-- etldoc: ne_10m_ocean -> ne_10m_ocean_gen_z5
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DROP MATERIALIZED VIEW IF EXISTS ne_10m_ocean_gen_z5 CASCADE;
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CREATE MATERIALIZED VIEW ne_10m_ocean_gen_z5 AS
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(
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SELECT NULL::integer AS id,
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(ST_Dump(ST_Simplify(geometry, ZRes(7)))).geom AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_10m_ocean
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_10m_ocean_gen_z5_idx ON ne_10m_ocean_gen_z5 USING gist (geometry);
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-- ne_10m_lakes
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-- etldoc: ne_10m_lakes -> ne_10m_lakes_gen_z5
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DROP MATERIALIZED VIEW IF EXISTS ne_10m_lakes_gen_z5 CASCADE;
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CREATE MATERIALIZED VIEW ne_10m_lakes_gen_z5 AS
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(
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SELECT COALESCE(osm.osm_id, ne_id) AS id,
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-- Union fixing e.g. Lake Huron and Georgian Bay duplicity
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(ST_Dump(ST_MakeValid(ST_Simplify(ST_Union(geometry), ZRes(7))))).geom AS geometry,
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'lake'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_10m_lakes
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LEFT JOIN match_osm_ne_id osm USING (ne_id)
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GROUP BY COALESCE(osm.osm_id, ne_id), is_intermittent, is_bridge, is_tunnel
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_10m_lakes_gen_z5_idx ON ne_10m_lakes_gen_z5 USING gist (geometry);
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-- etldoc: ne_10m_lakes_gen_z5 -> ne_10m_lakes_gen_z4
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DROP MATERIALIZED VIEW IF EXISTS ne_10m_lakes_gen_z4 CASCADE;
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CREATE MATERIALIZED VIEW ne_10m_lakes_gen_z4 AS
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(
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SELECT id,
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(ST_Dump(ST_MakeValid(ST_Simplify(geometry, ZRes(6))))).geom AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_10m_lakes_gen_z5
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_10m_lakes_gen_z4_idx ON ne_10m_lakes_gen_z4 USING gist (geometry);
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-- ne_50m_ocean
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-- etldoc: ne_50m_ocean -> ne_50m_ocean_gen_z4
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DROP MATERIALIZED VIEW IF EXISTS ne_50m_ocean_gen_z4 CASCADE;
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CREATE MATERIALIZED VIEW ne_50m_ocean_gen_z4 AS
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(
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SELECT NULL::integer AS id,
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(ST_Dump(ST_Simplify(geometry, ZRes(6)))).geom AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_50m_ocean
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_50m_ocean_gen_z4_idx ON ne_50m_ocean_gen_z4 USING gist (geometry);
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-- etldoc: ne_50m_ocean_gen_z4 -> ne_50m_ocean_gen_z3
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DROP MATERIALIZED VIEW IF EXISTS ne_50m_ocean_gen_z3 CASCADE;
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CREATE MATERIALIZED VIEW ne_50m_ocean_gen_z3 AS
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(
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SELECT id,
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ST_Simplify(geometry, ZRes(5)) AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_ocean_gen_z4
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_50m_ocean_gen_z3_idx ON ne_50m_ocean_gen_z3 USING gist (geometry);
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-- etldoc: ne_50m_ocean_gen_z3 -> ne_50m_ocean_gen_z2
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DROP MATERIALIZED VIEW IF EXISTS ne_50m_ocean_gen_z2 CASCADE;
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CREATE MATERIALIZED VIEW ne_50m_ocean_gen_z2 AS
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(
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SELECT id,
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ST_Simplify(geometry, ZRes(4)) AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_ocean_gen_z3
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_50m_ocean_gen_z2_idx ON ne_50m_ocean_gen_z2 USING gist (geometry);
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-- ne_50m_lakes
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-- etldoc: ne_50m_lakes -> ne_50m_lakes_gen_z3
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DROP MATERIALIZED VIEW IF EXISTS ne_50m_lakes_gen_z3 CASCADE;
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CREATE MATERIALIZED VIEW ne_50m_lakes_gen_z3 AS
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(
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SELECT COALESCE(osm.osm_id, ne_id) AS id,
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(ST_Dump(ST_MakeValid(ST_Simplify(geometry, ZRes(5))))).geom AS geometry,
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'lake'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_50m_lakes
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LEFT JOIN match_osm_ne_id osm USING (ne_id)
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_50m_lakes_gen_z3_idx ON ne_50m_lakes_gen_z3 USING gist (geometry);
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-- etldoc: ne_50m_lakes_gen_z3 -> ne_50m_lakes_gen_z2
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DROP MATERIALIZED VIEW IF EXISTS ne_50m_lakes_gen_z2 CASCADE;
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CREATE MATERIALIZED VIEW ne_50m_lakes_gen_z2 AS
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(
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SELECT id,
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(ST_Dump(ST_MakeValid(ST_Simplify(geometry, ZRes(4))))).geom AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_lakes_gen_z3
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_50m_lakes_gen_z2_idx ON ne_50m_lakes_gen_z2 USING gist (geometry);
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--ne_110m_ocean
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-- etldoc: ne_110m_ocean -> ne_110m_ocean_gen_z1
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DROP MATERIALIZED VIEW IF EXISTS ne_110m_ocean_gen_z1 CASCADE;
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CREATE MATERIALIZED VIEW ne_110m_ocean_gen_z1 AS
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(
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SELECT NULL::integer AS id,
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ST_Simplify(geometry, ZRes(3)) AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_110m_ocean
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_110m_ocean_gen_z1_idx ON ne_110m_ocean_gen_z1 USING gist (geometry);
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-- etldoc: ne_110m_ocean_gen_z1 -> ne_110m_ocean_gen_z0
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DROP MATERIALIZED VIEW IF EXISTS ne_110m_ocean_gen_z0 CASCADE;
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CREATE MATERIALIZED VIEW ne_110m_ocean_gen_z0 AS
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(
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SELECT id,
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ST_Simplify(geometry, ZRes(2)) AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_ocean_gen_z1
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_110m_ocean_gen_z0_idx ON ne_110m_ocean_gen_z0 USING gist (geometry);
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-- ne_110m_lakes
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-- etldoc: ne_110m_lakes -> ne_110m_lakes_gen_z1
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DROP MATERIALIZED VIEW IF EXISTS ne_110m_lakes_gen_z1 CASCADE;
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CREATE MATERIALIZED VIEW ne_110m_lakes_gen_z1 AS
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(
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SELECT COALESCE(osm.osm_id, ne_id) AS id,
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(ST_Dump(ST_Simplify(geometry, ZRes(3)))).geom AS geometry,
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'lake'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM ne_110m_lakes
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LEFT JOIN match_osm_ne_id osm USING (ne_id)
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_110m_lakes_gen_z1_idx ON ne_110m_lakes_gen_z1 USING gist (geometry);
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-- etldoc: ne_110m_lakes_gen_z1 -> ne_110m_lakes_gen_z0
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DROP MATERIALIZED VIEW IF EXISTS ne_110m_lakes_gen_z0 CASCADE;
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CREATE MATERIALIZED VIEW ne_110m_lakes_gen_z0 AS
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(
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SELECT id,
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(ST_Dump(ST_Simplify(geometry, ZRes(2)))).geom AS geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_lakes_gen_z1
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) /* DELAY_MATERIALIZED_VIEW_CREATION */ ;
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CREATE INDEX IF NOT EXISTS ne_110m_lakes_gen_z0_idx ON ne_110m_lakes_gen_z0 USING gist (geometry);
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DROP MATERIALIZED VIEW IF EXISTS water_z6;
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DROP MATERIALIZED VIEW IF EXISTS water_z7;
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DROP MATERIALIZED VIEW IF EXISTS water_z8;
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DROP MATERIALIZED VIEW IF EXISTS water_z9;
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DROP MATERIALIZED VIEW IF EXISTS water_z10;
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DROP MATERIALIZED VIEW IF EXISTS water_z11;
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DROP MATERIALIZED VIEW IF EXISTS water_z12;
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CREATE OR REPLACE VIEW water_z0 AS
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(
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-- etldoc: ne_110m_ocean_gen_z0 -> water_z0
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_ocean_gen_z0
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UNION ALL
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-- etldoc: ne_110m_lakes_gen_z0 -> water_z0
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_lakes_gen_z0
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);
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CREATE OR REPLACE VIEW water_z1 AS
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(
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-- etldoc: ne_110m_ocean_gen_z1 -> water_z1
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_ocean_gen_z1
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UNION ALL
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-- etldoc: ne_110m_lakes_gen_z1 -> water_z1
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_110m_lakes_gen_z1
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);
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CREATE OR REPLACE VIEW water_z2 AS
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(
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-- etldoc: ne_50m_ocean_gen_z2 -> water_z2
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_ocean_gen_z2
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UNION ALL
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-- etldoc: ne_50m_lakes_gen_z2 -> water_z2
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_lakes_gen_z2
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);
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CREATE OR REPLACE VIEW water_z3 AS
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(
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-- etldoc: ne_50m_ocean_gen_z3 -> water_z3
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_ocean_gen_z3
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UNION ALL
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-- etldoc: ne_50m_lakes_gen_z3 -> water_z3
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_lakes_gen_z3
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);
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CREATE OR REPLACE VIEW water_z4 AS
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(
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-- etldoc: ne_50m_ocean_gen_z4 -> water_z4
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_50m_ocean_gen_z4
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UNION ALL
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-- etldoc: ne_10m_lakes_gen_z4 -> water_z4
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_10m_lakes_gen_z4
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);
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CREATE OR REPLACE VIEW water_z5 AS
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(
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-- etldoc: ne_10m_ocean_gen_z5 -> water_z5
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_10m_ocean_gen_z5
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UNION ALL
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-- etldoc: ne_10m_lakes_gen_z5 -> water_z5
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SELECT id,
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geometry,
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class,
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is_intermittent,
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is_bridge,
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is_tunnel
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FROM ne_10m_lakes_gen_z5
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);
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CREATE MATERIALIZED VIEW water_z6 AS
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(
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-- etldoc: osm_ocean_polygon_gen_z6 -> water_z6
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SELECT NULL::integer AS id,
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(ST_Dump(geometry)).geom AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_ocean_polygon_gen_z6
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UNION ALL
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-- etldoc: osm_water_polygon_gen_z6 -> water_z6
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SELECT osm_id AS id,
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(ST_Dump(geometry)).geom AS geometry,
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water_class(waterway, water, leisure) AS class,
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is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_water_polygon_gen_z6
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WHERE "natural" != 'bay'
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);
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CREATE INDEX ON water_z6 USING gist(geometry);
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CREATE MATERIALIZED VIEW water_z7 AS
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(
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-- etldoc: osm_ocean_polygon_gen_z7 -> water_z7
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SELECT NULL::integer AS id,
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(ST_Dump(geometry)).geom AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_ocean_polygon_gen_z7
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UNION ALL
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-- etldoc: osm_water_polygon_gen_z7 -> water_z7
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SELECT osm_id AS id,
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(ST_Dump(geometry)).geom AS geometry,
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water_class(waterway, water, leisure) AS class,
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is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_water_polygon_gen_z7
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WHERE "natural" != 'bay'
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);
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CREATE INDEX ON water_z7 USING gist(geometry);
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CREATE MATERIALIZED VIEW water_z8 AS
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(
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-- etldoc: osm_ocean_polygon_gen_z8 -> water_z8
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SELECT NULL::integer AS id,
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(ST_Dump(geometry)).geom AS geometry,
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'ocean'::text AS class,
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NULL::boolean AS is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_ocean_polygon_gen_z8
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UNION ALL
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-- etldoc: osm_water_polygon_gen_z8 -> water_z8
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SELECT osm_id AS id,
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(ST_Dump(geometry)).geom AS geometry,
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water_class(waterway, water, leisure) AS class,
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is_intermittent,
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NULL::boolean AS is_bridge,
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NULL::boolean AS is_tunnel
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FROM osm_water_polygon_gen_z8
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WHERE "natural" != 'bay'
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);
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CREATE INDEX ON water_z8 USING gist(geometry);
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|
CREATE MATERIALIZED VIEW water_z9 AS
|
|
(
|
|
-- etldoc: osm_ocean_polygon_gen_z9 -> water_z9
|
|
SELECT NULL::integer AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
'ocean'::text AS class,
|
|
NULL::boolean AS is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_ocean_polygon_gen_z9
|
|
UNION ALL
|
|
-- etldoc: osm_water_polygon_gen_z9 -> water_z9
|
|
SELECT osm_id AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
water_class(waterway, water, leisure) AS class,
|
|
is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_water_polygon_gen_z9
|
|
WHERE "natural" != 'bay'
|
|
);
|
|
CREATE INDEX ON water_z9 USING gist(geometry);
|
|
|
|
CREATE MATERIALIZED VIEW water_z10 AS
|
|
(
|
|
-- etldoc: osm_ocean_polygon_gen_z10 -> water_z10
|
|
SELECT NULL::integer AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
'ocean'::text AS class,
|
|
NULL::boolean AS is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_ocean_polygon_gen_z10
|
|
UNION ALL
|
|
-- etldoc: osm_water_polygon_gen_z10 -> water_z10
|
|
SELECT osm_id AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
water_class(waterway, water, leisure) AS class,
|
|
is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_water_polygon_gen_z10
|
|
WHERE "natural" != 'bay'
|
|
);
|
|
CREATE INDEX ON water_z10 USING gist(geometry);
|
|
|
|
CREATE MATERIALIZED VIEW water_z11 AS
|
|
(
|
|
-- etldoc: osm_ocean_polygon_gen_z11 -> water_z11
|
|
SELECT NULL::integer AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
'ocean'::text AS class,
|
|
NULL::boolean AS is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_ocean_polygon_gen_z11
|
|
UNION ALL
|
|
-- etldoc: osm_water_polygon_gen_z11 -> water_z11
|
|
SELECT osm_id AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
water_class(waterway, water, leisure) AS class,
|
|
is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_water_polygon_gen_z11
|
|
WHERE "natural" != 'bay'
|
|
);
|
|
CREATE INDEX ON water_z11 USING gist(geometry);
|
|
|
|
CREATE MATERIALIZED VIEW water_z12 AS
|
|
(
|
|
-- etldoc: osm_ocean_polygon_union -> water_z12
|
|
SELECT NULL::integer AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
'ocean'::text AS class,
|
|
NULL::boolean AS is_intermittent,
|
|
NULL::boolean AS is_bridge,
|
|
NULL::boolean AS is_tunnel
|
|
FROM osm_ocean_polygon_union
|
|
UNION ALL
|
|
-- etldoc: osm_water_polygon -> water_z12
|
|
SELECT osm_id AS id,
|
|
(ST_Dump(geometry)).geom AS geometry,
|
|
water_class(waterway, water, leisure) AS class,
|
|
is_intermittent,
|
|
is_bridge,
|
|
is_tunnel
|
|
FROM osm_water_polygon
|
|
WHERE "natural" != 'bay'
|
|
);
|
|
CREATE INDEX ON water_z12 USING gist(geometry);
|
|
|
|
-- etldoc: layer_water [shape=record fillcolor=lightpink, style="rounded,filled",
|
|
-- etldoc: label="layer_water |<z0> z0|<z1>z1|<z2>z2|<z3>z3 |<z4> z4|<z5>z5|<z6>z6|<z7>z7| <z8> z8 |<z9> z9 |<z10> z10 |<z11> z11 |<z12> z12+" ] ;
|
|
|
|
CREATE OR REPLACE FUNCTION layer_water(bbox geometry, zoom_level int)
|
|
RETURNS TABLE
|
|
(
|
|
id bigint,
|
|
geometry geometry,
|
|
class text,
|
|
brunnel text,
|
|
intermittent int
|
|
)
|
|
AS
|
|
$$
|
|
SELECT id,
|
|
geometry,
|
|
class::text,
|
|
waterway_brunnel(is_bridge, is_tunnel) AS brunnel,
|
|
is_intermittent::int AS intermittent
|
|
FROM (
|
|
-- etldoc: water_z0 -> layer_water:z0
|
|
SELECT *
|
|
FROM water_z0
|
|
WHERE zoom_level = 0
|
|
UNION ALL
|
|
-- etldoc: water_z1 -> layer_water:z1
|
|
SELECT *
|
|
FROM water_z1
|
|
WHERE zoom_level = 1
|
|
UNION ALL
|
|
-- etldoc: water_z2 -> layer_water:z2
|
|
SELECT *
|
|
FROM water_z2
|
|
WHERE zoom_level = 2
|
|
UNION ALL
|
|
-- etldoc: water_z3 -> layer_water:z3
|
|
SELECT *
|
|
FROM water_z3
|
|
WHERE zoom_level = 3
|
|
UNION ALL
|
|
-- etldoc: water_z4 -> layer_water:z4
|
|
SELECT *
|
|
FROM water_z4
|
|
WHERE zoom_level = 4
|
|
UNION ALL
|
|
-- etldoc: water_z5 -> layer_water:z5
|
|
SELECT *
|
|
FROM water_z5
|
|
WHERE zoom_level = 5
|
|
UNION ALL
|
|
-- etldoc: water_z6 -> layer_water:z6
|
|
SELECT *
|
|
FROM water_z6
|
|
WHERE zoom_level = 6
|
|
UNION ALL
|
|
-- etldoc: water_z7 -> layer_water:z7
|
|
SELECT *
|
|
FROM water_z7
|
|
WHERE zoom_level = 7
|
|
UNION ALL
|
|
-- etldoc: water_z8 -> layer_water:z8
|
|
SELECT *
|
|
FROM water_z8
|
|
WHERE zoom_level = 8
|
|
UNION ALL
|
|
-- etldoc: water_z9 -> layer_water:z9
|
|
SELECT *
|
|
FROM water_z9
|
|
WHERE zoom_level = 9
|
|
UNION ALL
|
|
-- etldoc: water_z10 -> layer_water:z10
|
|
SELECT *
|
|
FROM water_z10
|
|
WHERE zoom_level = 10
|
|
UNION ALL
|
|
-- etldoc: water_z11 -> layer_water:z11
|
|
SELECT *
|
|
FROM water_z11
|
|
WHERE zoom_level = 11
|
|
UNION ALL
|
|
-- etldoc: water_z12 -> layer_water:z12
|
|
SELECT *
|
|
FROM water_z12
|
|
WHERE zoom_level >= 12
|
|
) AS zoom_levels
|
|
WHERE geometry && bbox;
|
|
$$ LANGUAGE SQL STABLE
|
|
-- STRICT
|
|
PARALLEL SAFE;
|