DROP TABLE IF EXISTS nominatim_properties;
CREATE TABLE nominatim_properties (
- property TEXT,
+ property TEXT NOT NULL,
value TEXT
);
GRANT SELECT ON TABLE nominatim_properties TO "{{config.DATABASE_WEBUSER}}";
) {{db.tablespace.search_data}};
CREATE INDEX idx_place_addressline_place_id on place_addressline USING BTREE (place_id) {{db.tablespace.search_index}};
-drop table if exists placex;
+--------- PLACEX - storage for all indexed places -----------------
+
+DROP TABLE IF EXISTS placex;
CREATE TABLE placex (
place_id BIGINT NOT NULL,
parent_place_id BIGINT,
postcode TEXT,
centroid GEOMETRY(Geometry, 4326)
) {{db.tablespace.search_data}};
+
CREATE UNIQUE INDEX idx_place_id ON placex USING BTREE (place_id) {{db.tablespace.search_index}};
-CREATE INDEX idx_placex_osmid ON placex USING BTREE (osm_type, osm_id) {{db.tablespace.search_index}};
-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}};
+{% for osm_type in ('N', 'W', 'R') %}
+CREATE INDEX idx_placex_osmid_{{osm_type | lower}} ON placex
+ USING BTREE (osm_id) {{db.tablespace.search_index}}
+ WHERE osm_type = '{{osm_type}}';
+{% endfor %}
+
+-- Usage: - removing linkage status on update
+-- - lookup linked places for /details
+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;
+
+-- Usage: - check that admin boundaries do not overtake each other rank-wise
+-- - check that place node in a admin boundary with the same address level
+-- - boundary is not completely contained in a place area
+-- - parenting of large-area or unparentable features
+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');
+
+-- Usage: - POI is within building with housenumber
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');
+
+-- Usage: - linking of similar named places to boundaries
+-- - linking of place nodes with same type to boundaries
+-- - lookupPolygon()
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;
+ and class = 'place' and type != 'postcode';
+
+-- Usage: - is node part of a way?
+-- - find parent of interpolation spatially
+CREATE INDEX idx_placex_geometry_lower_rank_ways ON placex
+ USING {{postgres.spgist_geom}} (geometry) {{db.tablespace.address_index}}
+ WHERE osm_type = 'W' and rank_search >= 26;
+
+-- Usage: - linking place nodes by wikidata tag to boundaries
+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;
+
+-- The following two indexes function as a todo list for indexing.
+
+CREATE INDEX idx_placex_rank_address_sector ON placex
+ USING BTREE (rank_address, geometry_sector) {{db.tablespace.address_index}}
+ WHERE indexed_status > 0;
+
+CREATE INDEX idx_placex_rank_boundaries_sector ON placex
+ USING BTREE (rank_search, geometry_sector) {{db.tablespace.address_index}}
+ WHERE class = 'boundary' and type = 'administrative'
+ and indexed_status > 0;
+
DROP SEQUENCE IF EXISTS seq_place;
CREATE SEQUENCE seq_place start 1;
-- null table so it won't error
-- deliberately no drop - importing the table is expensive and static, if it is already there better to avoid removing it
-CREATE TABLE wikipedia_article (
+CREATE TABLE IF NOT EXISTS wikipedia_article (
language text NOT NULL,
title text NOT NULL,
langcount integer,
wd_page_title text,
instance_of text
);
-ALTER TABLE ONLY wikipedia_article ADD CONSTRAINT wikipedia_article_pkey PRIMARY KEY (language, title);
-CREATE INDEX idx_wikipedia_article_osm_id ON wikipedia_article USING btree (osm_type, osm_id);
-CREATE TABLE wikipedia_redirect (
+CREATE TABLE IF NOT EXISTS wikipedia_redirect (
language text,
from_title text,
to_title text
);
-ALTER TABLE ONLY wikipedia_redirect ADD CONSTRAINT wikipedia_redirect_pkey PRIMARY KEY (language, from_title);
-- osm2pgsql does not create indexes on the middle tables for Nominatim
-- Add one for lookup of associated street relations.
CREATE INDEX planet_osm_rels_parts_associated_idx ON planet_osm_rels USING gin(parts) WHERE tags @> ARRAY['associatedStreet'];
+-- Needed for lookups if a node is part of an interpolation.
+CREATE INDEX IF NOT EXISTS idx_place_interpolations
+ ON place USING gist(geometry) {{db.tablespace.address_index}}
+ WHERE osm_type = 'W' and address ? 'interpolation';
+
GRANT SELECT ON table country_osm_grid to "{{config.DATABASE_WEBUSER}}";
projects / nominatim.git / blobdiff