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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/waterway/merge_waterway.sql
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@@ -23,7 +23,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring AS (
WHERE name <> '' AND waterway = 'river'
GROUP BY name
) AS waterway_union
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_geometry_idx ON osm_important_waterway_linestring USING gist(geometry);
-- etldoc: osm_important_waterway_linestring -> osm_important_waterway_linestring_gen1
@@ -31,7 +31,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen1 AS (
SELECT ST_Simplify(geometry, 60) AS geometry, name
FROM osm_important_waterway_linestring
WHERE ST_Length(geometry) > 1000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen1_geometry_idx ON osm_important_waterway_linestring_gen1 USING gist(geometry);
-- etldoc: osm_important_waterway_linestring_gen1 -> osm_important_waterway_linestring_gen2
@@ -39,7 +39,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen2 AS (
SELECT ST_Simplify(geometry, 100) AS geometry, name
FROM osm_important_waterway_linestring_gen1
WHERE ST_Length(geometry) > 4000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen2_geometry_idx ON osm_important_waterway_linestring_gen2 USING gist(geometry);
-- etldoc: osm_important_waterway_linestring_gen2 -> osm_important_waterway_linestring_gen3
@@ -47,7 +47,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen3 AS (
SELECT ST_Simplify(geometry, 200) AS geometry, name
FROM osm_important_waterway_linestring_gen2
WHERE ST_Length(geometry) > 8000
) WITH NO DATA;
);
CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen3_geometry_idx ON osm_important_waterway_linestring_gen3 USING gist(geometry);
-- Handle updates
@@ -66,10 +66,10 @@ CREATE OR REPLACE FUNCTION waterway.refresh() RETURNS trigger AS
$BODY$
BEGIN
RAISE LOG 'Refresh transportation_name';
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring;
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen1;
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen2;
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen3;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_important_waterway_linestring;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_important_waterway_linestring_gen1;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_important_waterway_linestring_gen2;
REFRESH MATERIALIZED VIEW CONCURRENTLY osm_important_waterway_linestring_gen3;
DELETE FROM waterway.updates;
RETURN null;
END;