Merge pull request #3467 from mtmail/docs-datrie

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

diff --git a/lib-sql/tables.sql b/lib-sql/tables.sql
index 17216b50990dfd2b24e3b47b8969dac5904109c2..d3bc972a5e94e053c17b06b010627836935385f7 100644 (file)
--- a/lib-sql/tables.sql
+++ b/lib-sql/tables.sql
@@ -273,32 +273,27 @@ GRANT SELECT ON import_polygon_delete TO "{{config.DATABASE_WEBUSER}}";
 DROP SEQUENCE IF EXISTS file;
 CREATE SEQUENCE file start 1;
 
 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.
 
 -- 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
 
 -- Needed for lookups if a node is part of an interpolation.
 CREATE INDEX IF NOT EXISTS idx_place_interpolations