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Move where condition from osm_transportation_name_linestring to materialized view osm_transportation_name_network (#991)

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Reduce the size of the materialized view osm_transportation_name_network by moving the weare clause.
osm_transportation_name_network is only used for osm_transportation_name_linestring.

Co-authored-by: zstadler <zeev.stadler@gmail.com>
This commit is contained in:
Frédéric Rodrigo 2020-09-21 09:02:20 +02:00 committed by GitHub
parent 550b1f8f90
commit 5c640daf4f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 43 additions and 27 deletions
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70
layers/transportation_name/update_transportation_name.sql
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@ -7,30 +7,49 @@
-- etldoc: osm_highway_linestring -> osm_transportation_name_network
-- etldoc: osm_route_member -> osm_transportation_name_network
CREATE TABLE IF NOT EXISTS osm_transportation_name_network AS
SELECT hl.geometry,
hl.osm_id,
CASE WHEN length(hl.name) > 15 THEN osml10n_street_abbrev_all(hl.name) ELSE hl.name END AS "name",
CASE WHEN length(hl.name_en) > 15 THEN osml10n_street_abbrev_en(hl.name_en) ELSE hl.name_en END AS "name_en",
CASE WHEN length(hl.name_de) > 15 THEN osml10n_street_abbrev_de(hl.name_de) ELSE hl.name_de END AS "name_de",
hl.tags,
rm.network_type,
CASE
WHEN rm.network_type IS NOT NULL AND nullif(rm.ref::text, '') IS NOT NULL
THEN rm.ref::text
ELSE hl.ref
END AS ref,
hl.highway,
hl.construction,
CASE WHEN highway IN ('footway', 'steps') THEN layer END AS layer,
CASE WHEN highway IN ('footway', 'steps') THEN "level" END AS "level",
CASE WHEN highway IN ('footway', 'steps') THEN indoor END AS indoor,
ROW_NUMBER() OVER (PARTITION BY hl.osm_id
ORDER BY rm.network_type) AS "rank",
hl.z_order
FROM osm_highway_linestring hl
LEFT JOIN osm_route_member rm ON
rm.member = hl.osm_id
;
SELECT
geometry,
osm_id,
name,
name_en,
name_de,
tags,
ref,
highway,
construction,
"level",
layer,
indoor,
network_type,
z_order
FROM (
SELECT hl.geometry,
hl.osm_id,
CASE WHEN length(hl.name) > 15 THEN osml10n_street_abbrev_all(hl.name) ELSE hl.name END AS "name",
CASE WHEN length(hl.name_en) > 15 THEN osml10n_street_abbrev_en(hl.name_en) ELSE hl.name_en END AS "name_en",
CASE WHEN length(hl.name_de) > 15 THEN osml10n_street_abbrev_de(hl.name_de) ELSE hl.name_de END AS "name_de",
hl.tags,
rm.network_type,
CASE
WHEN rm.network_type IS NOT NULL AND nullif(rm.ref::text, '') IS NOT NULL
THEN rm.ref::text
ELSE hl.ref
END AS ref,
hl.highway,
hl.construction,
CASE WHEN highway IN ('footway', 'steps') THEN layer END AS layer,
CASE WHEN highway IN ('footway', 'steps') THEN level END AS level,
CASE WHEN highway IN ('footway', 'steps') THEN indoor END AS indoor,
ROW_NUMBER() OVER (PARTITION BY hl.osm_id
ORDER BY rm.network_type) AS "rank",
hl.z_order
FROM osm_highway_linestring hl
LEFT JOIN osm_route_member rm ON
rm.member = hl.osm_id
WHERE (hl.name <> '' OR hl.ref <> '')
AND NULLIF(hl.highway, '') IS NOT NULL
) AS t
WHERE ("rank" = 1 OR "rank" IS NULL);
CREATE INDEX IF NOT EXISTS osm_transportation_name_network_osm_id_idx ON osm_transportation_name_network (osm_id);
CREATE INDEX IF NOT EXISTS osm_transportation_name_network_geometry_idx ON osm_transportation_name_network USING gist (geometry);
@ -69,9 +88,6 @@ FROM (
network_type,
min(z_order) AS z_order
FROM osm_transportation_name_network
WHERE ("rank" = 1 OR "rank" IS NULL)
AND (name <> '' OR ref <> '')
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 */;