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

diff --git a/lib-sql/indices.sql b/lib-sql/indices.sql
index 332cbb00f70013a42387a39e392e5ffc1a3de79c..4d92452d1f588bdc8a0be63cd6d522e96bdab25d 100644 (file)
--- a/lib-sql/indices.sql
+++ b/lib-sql/indices.sql
@@ -10,65 +10,105 @@
 
 CREATE INDEX IF NOT EXISTS idx_place_addressline_address_place_id
   ON place_addressline USING BTREE (address_place_id) {{db.tablespace.search_index}};
-
+---
 CREATE INDEX IF NOT EXISTS idx_placex_rank_search
   ON placex USING BTREE (rank_search) {{db.tablespace.search_index}};
-
+---
 CREATE INDEX IF NOT EXISTS idx_placex_rank_address
   ON placex USING BTREE (rank_address) {{db.tablespace.search_index}};
-
+---
 CREATE INDEX IF NOT EXISTS idx_placex_parent_place_id
   ON placex USING BTREE (parent_place_id) {{db.tablespace.search_index}}
   WHERE parent_place_id IS NOT NULL;
-
+---
+-- Used to find postcode areas after a search in location_postcode.
+CREATE INDEX IF NOT EXISTS idx_placex_postcode_areas
+  ON placex USING BTREE (country_code, postcode) {{db.tablespace.search_index}}
+  WHERE osm_type = 'R' AND class = 'boundary' AND type = 'postal_code';
+---
+CREATE INDEX IF NOT EXISTS idx_placex_geometry ON placex
+  USING GIST (geometry) {{db.tablespace.search_index}};
+-- Index is needed during import but can be dropped as soon as a full
+-- geometry index is in place. The partial index is almost as big as the full
+-- index.
+---
+DROP INDEX IF EXISTS idx_placex_geometry_lower_rank_ways;
+---
 CREATE INDEX IF NOT EXISTS idx_placex_geometry_reverse_lookupPolygon
   ON placex USING gist (geometry) {{db.tablespace.search_index}}
   WHERE St_GeometryType(geometry) in ('ST_Polygon', 'ST_MultiPolygon')
     AND rank_address between 4 and 25 AND type != 'postcode'
     AND name is not null AND indexed_status = 0 AND linked_place_id is null;
-
+---
+-- used in reverse large area lookup
+CREATE INDEX IF NOT EXISTS idx_placex_geometry_reverse_lookupPlaceNode
+  ON placex USING gist (ST_Buffer(geometry, reverse_place_diameter(rank_search)))
+  {{db.tablespace.search_index}}
+  WHERE rank_address between 4 and 25 AND type != 'postcode'
+    AND name is not null AND linked_place_id is null AND osm_type = 'N';
+---
 CREATE INDEX IF NOT EXISTS idx_osmline_parent_place_id
   ON location_property_osmline USING BTREE (parent_place_id) {{db.tablespace.search_index}}
   WHERE parent_place_id is not null;
-
+---
 CREATE INDEX IF NOT EXISTS idx_osmline_parent_osm_id
   ON location_property_osmline USING BTREE (osm_id) {{db.tablespace.search_index}};
-
+---
 CREATE INDEX IF NOT EXISTS idx_postcode_postcode
   ON location_postcode USING BTREE (postcode) {{db.tablespace.search_index}};
 
+{% if drop %}
+---
+  DROP INDEX IF EXISTS idx_placex_geometry_address_area_candidates;
+  DROP INDEX IF EXISTS idx_placex_geometry_buildings;
+  DROP INDEX IF EXISTS idx_placex_wikidata;
+  DROP INDEX IF EXISTS idx_placex_rank_address_sector;
+  DROP INDEX IF EXISTS idx_placex_rank_boundaries_sector;
+{% else %}
 -- Indices only needed for updating.
-
-{% if not drop %}
-  CREATE INDEX IF NOT EXISTS idx_placex_pendingsector
-    ON placex USING BTREE (rank_address,geometry_sector) {{db.tablespace.address_index}}
-    WHERE indexed_status > 0;
-
+---
   CREATE INDEX IF NOT EXISTS idx_location_area_country_place_id
     ON location_area_country USING BTREE (place_id) {{db.tablespace.address_index}};
-
+---
   CREATE UNIQUE INDEX IF NOT EXISTS idx_place_osm_unique
     ON place USING btree(osm_id, osm_type, class, type) {{db.tablespace.address_index}};
+---
+-- Table needed for running updates with osm2pgsql on place.
+  CREATE TABLE IF NOT EXISTS place_to_be_deleted (
+    osm_type CHAR(1),
+    osm_id BIGINT,
+    class TEXT,
+    type TEXT,
+    deferred BOOLEAN
+   );
+---
+  CREATE INDEX IF NOT EXISTS idx_location_postcode_parent_place_id
+    ON location_postcode USING BTREE (parent_place_id) {{db.tablespace.address_index}};
 {% endif %}
 
 -- Indices only needed for search.
-
 {% if 'search_name' in db.tables %}
+---
   CREATE INDEX IF NOT EXISTS idx_search_name_nameaddress_vector
     ON search_name USING GIN (nameaddress_vector) WITH (fastupdate = off) {{db.tablespace.search_index}};
+---
   CREATE INDEX IF NOT EXISTS idx_search_name_name_vector
     ON search_name USING GIN (name_vector) WITH (fastupdate = off) {{db.tablespace.search_index}};
+---
   CREATE INDEX IF NOT EXISTS idx_search_name_centroid
     ON search_name USING GIST (centroid) {{db.tablespace.search_index}};
 
   {% if postgres.has_index_non_key_column %}
+---
     CREATE INDEX IF NOT EXISTS idx_placex_housenumber
-      ON placex USING btree (parent_place_id) {{db.tablespace.search_index}}
-      INCLUDE (housenumber)
+      ON placex USING btree (parent_place_id)
+      INCLUDE (housenumber) {{db.tablespace.search_index}}
       WHERE housenumber is not null;
+---
     CREATE INDEX IF NOT EXISTS idx_osmline_parent_osm_id_with_hnr
-      ON location_property_osmline USING btree(parent_place_id) {{db.tablespace.search_index}}
-      INCLUDE (startnumber, endnumber)
+      ON location_property_osmline USING btree(parent_place_id)
+      INCLUDE (startnumber, endnumber) {{db.tablespace.search_index}}
       WHERE startnumber is not null;
   {% endif %}
+
 {% endif %}