make sure indexes are used

[nominatim.git] / lib-sql / functions / placex_triggers.sql

diff --git a/lib-sql/functions/placex_triggers.sql b/lib-sql/functions/placex_triggers.sql
index 6c23fd6799a569c5d8ac4d6728fe30abfef3b781..a2276f074587658b4f0b2b781f559dcce0d49cde 100644 (file)
--- a/lib-sql/functions/placex_triggers.sql
+++ b/lib-sql/functions/placex_triggers.sql
@@ -197,6 +197,7 @@ BEGIN
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25
+               AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
          ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;
@@ -212,6 +213,7 @@ BEGIN
         SELECT place_id FROM placex
          WHERE bbox && geometry AND _ST_Covers(geometry, ST_Centroid(bbox))
                AND rank_address between 5 and 25
+               AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')
         ORDER BY rank_address desc
       LOOP
         RETURN location.place_id;
@@ -275,7 +277,9 @@ BEGIN
 
   -- If extratags has a place tag, look for linked nodes by their place type.
   -- Area and node still have to have the same name.
-  IF bnd.extratags ? 'place' and bnd_name is not null THEN
+  IF bnd.extratags ? 'place' and bnd.extratags->'place' != 'postcode'
+     and bnd_name is not null
+  THEN
     FOR linked_placex IN
       SELECT * FROM placex
       WHERE (position(lower(name->'name') in bnd_name) > 0
@@ -284,7 +288,6 @@ BEGIN
         AND placex.osm_type = 'N'
         AND (placex.linked_place_id is null or placex.linked_place_id = bnd.place_id)
         AND placex.rank_search < 26 -- needed to select the right index
-        AND placex.type != 'postcode'
         AND ST_Covers(bnd.geometry, placex.geometry)
     LOOP
       {% if debug %}RAISE WARNING 'Found type-matching place node %', linked_placex.osm_id;{% endif %}
@@ -846,7 +849,8 @@ BEGIN
       FROM placex
       WHERE osm_type = 'R' and class = 'boundary' and type = 'administrative'
             and admin_level < NEW.admin_level and admin_level > 3
-            and rank_address > 0
+            and rank_address between 1 and 25 -- for index selection
+            and ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') -- for index selection
             and geometry && NEW.centroid and _ST_Covers(geometry, NEW.centroid)
       ORDER BY admin_level desc LIMIT 1
     LOOP