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

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Brian Quinion
2012-04-29 16:40:44 +01:00
parent 210a899fc9
commit 709ab1bb03
3 changed files with 8 additions and 3 deletions
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9
sql/functions.sql
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@@ -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

1
sql/indices.src.sql
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@@ -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);

1
sql/tables.sql
View File

@@ -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);