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Remove memeber_osm_ids attribute from transportation and transportation_name

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Too big DB during import-sql step
This commit is contained in:
jirik
2017-03-29 10:17:34 +02:00
committed by Jiri Kozel
parent a322851274
commit c6eed77e42
2 changed files with 10 additions and 18 deletions
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12
layers/transportation/merge_highways.sql
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@@ -26,18 +26,14 @@ CREATE INDEX IF NOT EXISTS osm_highway_linestring_highway_partial_idx
CREATE MATERIALIZED VIEW osm_transportation_merge_linestring AS (
SELECT
(ST_Dump(geometry)).geom AS geometry,
-- NOTE: The osm_id is no longer the original one which can make it difficult
-- to lookup road names by OSM ID
member_osm_ids[1] AS osm_id,
member_osm_ids,
NULL::bigint AS osm_id,
highway,
z_order
FROM (
SELECT
ST_LineMerge(ST_Collect(geometry)) AS geometry,
highway,
min(z_order) AS z_order,
array_agg(DISTINCT osm_id) AS member_osm_ids
min(z_order) AS z_order
FROM osm_highway_linestring
WHERE highway IN ('motorway','trunk')
group by highway
@@ -51,7 +47,7 @@ CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_highway_partial_i
-- etldoc: osm_transportation_merge_linestring -> osm_transportation_merge_linestring_gen5
CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen5 AS (
SELECT ST_Simplify(geometry, 500) AS geometry, osm_id, member_osm_ids, highway, z_order
SELECT ST_Simplify(geometry, 500) AS geometry, osm_id, highway, z_order
FROM osm_transportation_merge_linestring
WHERE highway IN ('motorway','trunk') AND ST_Length(geometry) > 20000
);
@@ -63,7 +59,7 @@ CREATE INDEX IF NOT EXISTS osm_transportation_merge_linestring_gen5_highway_part
-- etldoc: osm_transportation_merge_linestring_gen5 -> osm_transportation_merge_linestring_gen6
CREATE MATERIALIZED VIEW osm_transportation_merge_linestring_gen6 AS (
SELECT ST_Simplify(geometry, 2000) AS geometry, osm_id, member_osm_ids, highway, z_order
SELECT ST_Simplify(geometry, 2000) AS geometry, osm_id, highway, z_order
FROM osm_transportation_merge_linestring_gen5
WHERE highway IN ('motorway') AND ST_Length(geometry) > 20000
);