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Refresh concurrently and create materialized views with data.

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This commit is contained in:
stirringhalo
2017-01-07 22:26:09 -05:00
parent cda3af9215
commit 4c1ea3e4b1
4 changed files with 20 additions and 20 deletions
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16
layers/transportation_name/merge_highways.sql
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@@ -36,7 +36,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS (
WHERE (name <> '' OR ref <> '') AND NULLIF(highway, '') IS NOT NULL
GROUP BY name, highway, ref
) AS highway_union
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_geometry_idx ON osm_transportation_name_linestring USING gist(geometry);
-- etldoc: osm_transportation_name_linestring -> osm_transportation_name_linestring_gen1
@@ -44,7 +44,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen1 AS (
SELECT ST_Simplify(geometry, 50) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
FROM osm_transportation_name_linestring
WHERE highway IN ('motorway','trunk') AND ST_Length(geometry) > 8000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_geometry_idx ON osm_transportation_name_linestring_gen1 USING gist(geometry);
-- etldoc: osm_transportation_name_linestring_gen1 -> osm_transportation_name_linestring_gen2
@@ -52,7 +52,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen2 AS (
SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
FROM osm_transportation_name_linestring_gen1
WHERE highway IN ('motorway','trunk') AND ST_Length(geometry) > 14000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_geometry_idx ON osm_transportation_name_linestring_gen2 USING gist(geometry);
-- etldoc: osm_transportation_name_linestring_gen2 -> osm_transportation_name_linestring_gen3
@@ -60,7 +60,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS (
SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
FROM osm_transportation_name_linestring_gen2
WHERE highway = 'motorway' AND ST_Length(geometry) > 20000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist(geometry);
-- Handle updates
@@ -79,10 +79,10 @@ CREATE OR REPLACE FUNCTION transportation_name.refresh() RETURNS trigger AS
$BODY$
BEGIN
RAISE LOG 'Refresh transportation_name';
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen1;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen2;
REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen3;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen1;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen2;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_transportation_name_linestring_gen3;
DELETE FROM transportation_name.updates;
RETURN null;
END;