more name checks in point and poly mergeing, and put the index creation earlier in the process

sql/functions.sql

@@ -1509,7 +1509,11 @@ BEGIN
           select * from placex where osm_type = upper(substring(relMember.member,1,1)) 
             and osm_id = substring(relMember.member,2,10000)::integer order by rank_search desc limit 1 into linkedPlacex;
 
-          IF NEW.name->'name' = linkedPlacex.name->'name' AND NEW.rank_search = linkedPlacex.rank_search THEN
+          -- For an admin centre we also want a name match - still not perfect, for example 'new york, new york'
+          -- But that can be fixed by explicitly setting the label in the data
+          IF make_standard_name(NEW.name->'name') = make_standard_name(linkedPlacex.name->'name') 
+            AND NEW.rank_search = linkedPlacex.rank_search THEN
+
             -- If we don't already have one use this as the centre point of the geometry
             IF NEW.centroid IS NULL THEN
               NEW.centroid := coalesce(linkedPlacex.centroid,st_centroid(linkedPlacex.geometry));
@@ -1531,7 +1535,8 @@ BEGIN
       END IF;
 
       -- not found one yet? how about doing a name search
-      IF NEW.centroid IS NULL THEN
+      IF NEW.centroid IS NULL AND NEW.name->'name' is not null and make_standard_name(NEW.name->'name') != '' THEN
+
         FOR linkedPlacex IN select placex.* from placex WHERE
           make_standard_name(name->'name') = make_standard_name(NEW.name->'name')
           AND placex.rank_search = NEW.rank_search

sql/indices.src.sql

@@ -15,7 +15,6 @@ CREATE INDEX idx_placex_pendingsector ON placex USING BTREE (rank_search,geometr
 CREATE INDEX idx_placex_parent_place_id ON placex USING BTREE (parent_place_id) where parent_place_id IS NOT NULL;
 CREATE INDEX idx_placex_interpolation ON placex USING BTREE (geometry_sector) where indexed_status > 0 and class='place' and type='houses';
 CREATE INDEX idx_placex_sector ON placex USING BTREE (geometry_sector,rank_address,osm_type,osm_id);
-CREATE INDEX idx_placex_adminname on placex USING BTREE (make_standard_name(name->'name'),rank_search) WHERE osm_type='N' and rank_search < 26;
 CREATE INDEX idx_location_area_country_place_id ON location_area_country USING BTREE (place_id);
 
 CREATE INDEX idx_search_name_country_centroid ON search_name_country USING GIST (centroid);

sql/tables.sql

@@ -219,6 +219,7 @@ CREATE INDEX idx_placex_osmid ON placex USING BTREE (osm_type, osm_id);
 CREATE INDEX idx_placex_linked_place_id ON placex USING BTREE (linked_place_id);
 CREATE INDEX idx_placex_rank_search ON placex USING BTREE (rank_search, geometry_sector);
 CREATE INDEX idx_placex_geometry ON placex USING GIST (geometry);
+CREATE INDEX idx_placex_adminname on placex USING BTREE (make_standard_name(name->'name'),rank_search) WHERE osm_type='N' and rank_search < 26;
 
 --CREATE INDEX idx_placex_indexed ON placex USING BTREE (indexed);