use line interpolation to create centroid for lines

[nominatim.git] / lib-sql / tables.sql

diff --git a/lib-sql/tables.sql b/lib-sql/tables.sql
index d576485e33839ea4b7ccbe163bab1bf530b4c9bc..d3bc972a5e94e053c17b06b010627836935385f7 100644 (file)
--- a/lib-sql/tables.sql
+++ b/lib-sql/tables.sql
@@ -190,7 +190,6 @@ CREATE INDEX idx_placex_geometry_buildings ON placex
 
 -- 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.address_index}}
   WHERE osm_type = 'N' and rank_search < 26
@@ -274,32 +273,27 @@ GRANT SELECT ON import_polygon_delete TO "{{config.DATABASE_WEBUSER}}";
 DROP SEQUENCE IF EXISTS file;
 CREATE SEQUENCE file 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 IF NOT EXISTS wikipedia_article (
-    language text NOT NULL,
-    title text NOT NULL,
-    langcount integer,
-    othercount integer,
-    totalcount integer,
-    lat double precision,
-    lon double precision,
-    importance double precision,
-    osm_type character(1),
-    osm_id bigint,
-    wd_page_title text,
-    instance_of text
-);
-
-CREATE TABLE IF NOT EXISTS wikipedia_redirect (
-    language text,
-    from_title text,
-    to_title text
-);
+{% if 'wikimedia_importance' not in db.tables and 'wikipedia_article' not in db.tables %}
+-- create dummy tables here, if nothing was imported
+CREATE TABLE wikimedia_importance (
+  language TEXT NOT NULL,
+  title TEXT NOT NULL,
+  importance double precision NOT NULL,
+  wikidata TEXT
+)  {{db.tablespace.address_data}};
+{% endif %}
 
 -- 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'];
+{% if db.middle_db_format == '1' %}
+CREATE INDEX planet_osm_rels_parts_associated_idx ON planet_osm_rels USING gin(parts)
+  {{db.tablespace.address_index}}
+  WHERE tags @> ARRAY['associatedStreet'];
+{% else %}
+CREATE INDEX planet_osm_rels_relation_members_idx ON planet_osm_rels USING gin(planet_osm_member_ids(members, 'R'::character(1)))
+  WITH (fastupdate=off)
+  {{db.tablespace.address_index}};
+{% endif %}
 
 -- Needed for lookups if a node is part of an interpolation.
 CREATE INDEX IF NOT EXISTS idx_place_interpolations