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use only centroid to get parent admin boundaries

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Using the full geometry is far too expensive.
This commit is contained in:
Sarah Hoffmann
2020-08-16 22:23:23 +02:00
parent 3816b86a9e
commit 1529666232
1 changed files with 7 additions and 7 deletions
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14
sql/functions/placex_triggers.sql
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@@ -581,6 +581,11 @@ BEGIN
RETURN NEW;
END IF;
-- Speed up searches - just use the centroid of the feature
-- cheaper but less acurate
NEW.centroid := ST_PointOnSurface(NEW.geometry);
--DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(NEW.centroid);
-- recompute the ranks, they might change when linking changes
SELECT * INTO NEW.rank_search, NEW.rank_address
FROM compute_place_rank(NEW.country_code,
@@ -591,8 +596,8 @@ BEGIN
(NEW.extratags->'capital') = 'yes',
NEW.address->'postcode');
-- We must always increase the address level relative to the admin boundary.
IF NEW.class = 'boundary' and NEW.type = 'administrative' THEN
parent_address_level := get_parent_address_level(NEW.geometry, NEW.admin_level);
IF NEW.class = 'boundary' and NEW.type = 'administrative' and NEW.osm_type = 'R' THEN
parent_address_level := get_parent_address_level(NEW.centroid, NEW.admin_level);
IF parent_address_level >= NEW.rank_address THEN
IF parent_address_level >= 24 THEN
NEW.rank_address := 25;
@@ -632,11 +637,6 @@ BEGIN
END IF;
END IF;
-- Speed up searches - just use the centroid of the feature
-- cheaper but less acurate
NEW.centroid := ST_PointOnSurface(NEW.geometry);
--DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(NEW.centroid);
NEW.postcode := null;
-- recalculate country and partition