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when create materialized do so without data, better logging

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This commit is contained in:
stirringhalo
2017-01-04 01:03:00 -05:00
parent 0c1da27294
commit 2ef6a19149
4 changed files with 14 additions and 10 deletions
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9
layers/waterway/merge_waterway.sql
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@@ -16,7 +16,7 @@ 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
@@ -24,7 +24,7 @@ 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
@@ -32,7 +32,7 @@ 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
@@ -40,7 +40,7 @@ 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);
--- Triggers
@@ -48,6 +48,7 @@ CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen3_geometry_idx O
CREATE OR REPLACE FUNCTION refresh_osm_important_waterway_linestring() RETURNS trigger AS
$BODY$
BEGIN
RAISE LOG 'Refresh osm_waterway_linestring based tables';
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring;
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen1;
REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen2;