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Noop: tag sql MAT VIEWS with a special comment (#733)

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Tag all SQL materialized views with a machine-readable comment
to indicate that this materialized view can be created without
data:

   /* DELAY_MATERIALIZED_VIEW_CREATION */

In the next version of tools this comment can be optionally
replaced with the "WITH NO DATA" parameter, thus allowing
a much faster execution of the SQL script. All materialized
viewes will be populated with data in parallel afterwards
using the `refresh-views` tools script.
This commit is contained in:
Yuri Astrakhan
2020-01-20 12:02:49 -05:00
committed by GitHub
parent 4e13a17e1a
commit 1d91b9ef6e
6 changed files with 21 additions and 21 deletions
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12
layers/transportation_name/update_transportation_name.sql
View File

@@ -39,7 +39,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_network AS (
hl.z_order
FROM osm_highway_linestring hl
left join osm_route_member rm on (rm.member = hl.osm_id)
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_network_geometry_idx ON osm_transportation_name_network USING gist(geometry);
@@ -82,7 +82,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS (
AND NULLIF(highway, '') IS NOT NULL
group by name, name_en, name_de, ref, highway, construction, "level", layer, indoor, network_type
) AS highway_union
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_geometry_idx ON osm_transportation_name_linestring USING gist(geometry);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_highway_partial_idx
@@ -94,7 +94,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen1 AS (
SELECT ST_Simplify(geometry, 50) AS geometry, osm_id, name, name_en, name_de, tags, ref, highway, construction, network, z_order
FROM osm_transportation_name_linestring
WHERE (highway IN ('motorway','trunk') OR highway = 'construction' AND construction IN ('motorway','trunk')) AND ST_Length(geometry) > 8000
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_geometry_idx ON osm_transportation_name_linestring_gen1 USING gist(geometry);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_highway_partial_idx
@@ -106,7 +106,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen2 AS (
SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, name, name_en, name_de, tags, ref, highway, construction, network, z_order
FROM osm_transportation_name_linestring_gen1
WHERE (highway IN ('motorway','trunk') OR highway = 'construction' AND construction IN ('motorway','trunk')) AND ST_Length(geometry) > 14000
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_geometry_idx ON osm_transportation_name_linestring_gen2 USING gist(geometry);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_highway_partial_idx
@@ -118,7 +118,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS (
SELECT ST_Simplify(geometry, 200) AS geometry, osm_id, name, name_en, name_de, tags, ref, highway, construction, network, z_order
FROM osm_transportation_name_linestring_gen2
WHERE (highway = 'motorway' OR highway = 'construction' AND construction = 'motorway') AND ST_Length(geometry) > 20000
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist(geometry);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_highway_partial_idx
@@ -130,7 +130,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen4 AS (
SELECT ST_Simplify(geometry, 500) AS geometry, osm_id, name, name_en, name_de, tags, ref, highway, construction, network, z_order
FROM osm_transportation_name_linestring_gen3
WHERE (highway = 'motorway' OR highway = 'construction' AND construction = 'motorway') AND ST_Length(geometry) > 20000
);
) /* DELAY_MATERIALIZED_VIEW_CREATION */;
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen4_geometry_idx ON osm_transportation_name_linestring_gen4 USING gist(geometry);
-- Handle updates