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Merge pull request #2818 from lonvia/better-geometry-index

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Add index for lookup of addressable areas
This commit is contained in:
Sarah Hoffmann
2022-09-19 10:18:43 +02:00
committed by GitHub
parent d6a0947e5a aef014a47d
commit a1158feeb8
2 changed files with 12 additions and 3 deletions
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7
lib-sql/functions/placex_triggers.sql
View File

@@ -874,8 +874,9 @@ BEGIN
FROM placex,
LATERAL compute_place_rank(country_code, 'A', class, type,
admin_level, False, null) prank
WHERE class = 'place' and rank_address < 24
WHERE class = 'place' and rank_address between 1 and 23
and prank.address_rank >= NEW.rank_address
and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index
and geometry && NEW.geometry
and geometry ~ NEW.geometry -- needed because ST_Relate does not do bbox cover test
and ST_Relate(geometry, NEW.geometry, 'T*T***FF*') -- contains but not equal
@@ -896,6 +897,8 @@ BEGIN
LATERAL compute_place_rank(country_code, 'A', class, type,
admin_level, False, null) prank
WHERE prank.address_rank < 24
and rank_address between 1 and 25 -- select right index
and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index
and prank.address_rank >= NEW.rank_address
and geometry && NEW.geometry
and geometry ~ NEW.geometry -- needed because ST_Relate does not do bbox cover test
@@ -916,6 +919,8 @@ BEGIN
LATERAL compute_place_rank(country_code, 'A', class, type,
admin_level, False, null) prank
WHERE osm_type = 'R'
and rank_address between 1 and 25 -- select right index
and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- select right index
and ((class = 'place' and prank.address_rank = NEW.rank_address)
or (class = 'boundary' and rank_address = NEW.rank_address))
and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)

8
lib-sql/tables.sql
View File

@@ -162,12 +162,16 @@ CREATE INDEX idx_placex_osmid ON placex USING BTREE (osm_type, osm_id) {{db.tabl
CREATE INDEX idx_placex_linked_place_id ON placex USING BTREE (linked_place_id) {{db.tablespace.address_index}} WHERE linked_place_id IS NOT NULL;
CREATE INDEX idx_placex_rank_search ON placex USING BTREE (rank_search, geometry_sector) {{db.tablespace.address_index}};
CREATE INDEX idx_placex_geometry ON placex USING GIST (geometry) {{db.tablespace.search_index}};
CREATE INDEX idx_placex_geometry_address_area_candidates ON placex
USING gist (geometry) {{db.tablespace.address_index}}
WHERE rank_address between 1 and 25
and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon');
CREATE INDEX idx_placex_geometry_buildings ON placex
USING {{postgres.spgist_geom}} (geometry) {{db.tablespace.search_index}}
USING {{postgres.spgist_geom}} (geometry) {{db.tablespace.address_index}}
WHERE address is not null and rank_search = 30
and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon');
CREATE INDEX idx_placex_geometry_placenode ON placex
USING {{postgres.spgist_geom}} (geometry) {{db.tablespace.search_index}}
USING {{postgres.spgist_geom}} (geometry) {{db.tablespace.address_index}}
WHERE osm_type = 'N' and rank_search < 26
and class = 'place' and type != 'postcode' and linked_place_id is null;
CREATE INDEX idx_placex_wikidata on placex USING BTREE ((extratags -> 'wikidata')) {{db.tablespace.address_index}} WHERE extratags ? 'wikidata' and class = 'place' and osm_type = 'N' and rank_search < 26;