RETURN null;
END IF;
+ -- Remove the place from the list of places to be deleted
+ DELETE FROM place_to_be_deleted pdel
+ WHERE pdel.osm_type = NEW.osm_type and pdel.osm_id = NEW.osm_id
+ and pdel.class = NEW.class and pdel.type = NEW.type;
+
-- Have we already done this place?
SELECT * INTO existing
FROM place
{% if debug %}RAISE WARNING 'Existing: %',existing.osm_id;{% endif %}
- -- Handle a place changing type by removing the old data.
- -- (This trigger is executed BEFORE INSERT of the NEW tuple.)
IF existing.osm_type IS NULL THEN
DELETE FROM place where osm_type = NEW.osm_type and osm_id = NEW.osm_id and class = NEW.class;
END IF;
-- ---- All other place types.
- -- Patch in additional country names
- IF NEW.admin_level = 2 and NEW.type = 'administrative' and NEW.address ? 'country'
- THEN
- FOR country IN
- SELECT name FROM country_name WHERE country_code = lower(NEW.address->'country')
- LOOP
- NEW.name = country.name || NEW.name;
- END LOOP;
- END IF;
-
-- When an area is changed from large to small: log and discard change
IF existing.geometry is not null AND ST_IsValid(existing.geometry)
AND ST_Area(existing.geometry) > 0.02
END IF;
{% endif %}
- IF existing.osm_type IS NOT NULL THEN
- -- Pathological case caused by the triggerless copy into place during initial import
- -- force delete even for large areas, it will be reinserted later
- UPDATE place SET geometry = ST_SetSRID(ST_Point(0,0), 4326)
- WHERE osm_type = NEW.osm_type and osm_id = NEW.osm_id
- and class = NEW.class and type = NEW.type;
- DELETE FROM place
- WHERE osm_type = NEW.osm_type and osm_id = NEW.osm_id
- and class = NEW.class and type = NEW.type;
+ IF existingplacex.osm_type is not NULL THEN
+ -- Mark any existing place for delete in the placex table
+ UPDATE placex SET indexed_status = 100
+ WHERE placex.osm_type = NEW.osm_type and placex.osm_id = NEW.osm_id
+ and placex.class = NEW.class and placex.type = NEW.type;
END IF;
-- Process it as a new insertion
{% if debug %}RAISE WARNING 'insert done % % % % %',NEW.osm_type,NEW.osm_id,NEW.class,NEW.type,NEW.name;{% endif %}
+ IF existing.osm_type is not NULL THEN
+ -- If there is already an entry in place, just update that, if necessary.
+ IF coalesce(existing.name, ''::hstore) != coalesce(NEW.name, ''::hstore)
+ or coalesce(existing.address, ''::hstore) != coalesce(NEW.address, ''::hstore)
+ or coalesce(existing.extratags, ''::hstore) != coalesce(NEW.extratags, ''::hstore)
+ or coalesce(existing.admin_level, 15) != coalesce(NEW.admin_level, 15)
+ or existing.geometry::text != NEW.geometry::text
+ THEN
+ UPDATE place
+ SET name = NEW.name,
+ address = NEW.address,
+ extratags = NEW.extratags,
+ admin_level = NEW.admin_level,
+ geometry = NEW.geometry
+ WHERE osm_type = NEW.osm_type and osm_id = NEW.osm_id
+ and class = NEW.class and type = NEW.type;
+ END IF;
+
+ RETURN NULL;
+ END IF;
+
RETURN NEW;
END IF;
extratags = NEW.extratags,
admin_level = NEW.admin_level,
indexed_status = 2,
- geometry = NEW.geometry
+ geometry = CASE WHEN existingplacex.rank_address = 0
+ THEN simplify_large_polygons(NEW.geometry)
+ ELSE NEW.geometry END
WHERE place_id = existingplacex.place_id;
-- Invalidate linked places: they potentially get a new name and addresses.
END;
$$ LANGUAGE plpgsql;
-
CREATE OR REPLACE FUNCTION place_delete()
RETURNS TRIGGER
AS $$
DECLARE
- has_rank BOOLEAN;
+ deferred BOOLEAN;
BEGIN
-
- {% if debug %}RAISE WARNING 'delete: % % % %',OLD.osm_type,OLD.osm_id,OLD.class,OLD.type;{% endif %}
-
- -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
- IF st_area(OLD.geometry) > 2 and st_isvalid(OLD.geometry) THEN
- SELECT bool_or(not (rank_address = 0 or rank_address > 25)) as ranked FROM placex WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type INTO has_rank;
- IF has_rank THEN
- insert into import_polygon_delete (osm_type, osm_id, class, type) values (OLD.osm_type,OLD.osm_id,OLD.class,OLD.type);
- RETURN NULL;
- END IF;
+ {% if debug %}RAISE WARNING 'Delete for % % %/%', OLD.osm_type, OLD.osm_id, OLD.class, OLD.type;{% endif %}
+
+ deferred := ST_IsValid(OLD.geometry) and ST_Area(OLD.geometry) > 2;
+ IF deferred THEN
+ SELECT bool_or(not (rank_address = 0 or rank_address > 25)) INTO deferred
+ FROM placex
+ WHERE osm_type = OLD.osm_type and osm_id = OLD.osm_id
+ and class = OLD.class and type = OLD.type;
END IF;
- -- mark for delete
- UPDATE placex set indexed_status = 100 where osm_type = OLD.osm_type and osm_id = OLD.osm_id and class = OLD.class and type = OLD.type;
-
- -- interpolations are special
- IF OLD.osm_type='W' and OLD.class = 'place' and OLD.type = 'houses' THEN
- UPDATE location_property_osmline set indexed_status = 100 where osm_id = OLD.osm_id; -- osm_id = wayid (=old.osm_id)
- END IF;
+ INSERT INTO place_to_be_deleted (osm_type, osm_id, class, type, deferred)
+ VALUES(OLD.osm_type, OLD.osm_id, OLD.class, OLD.type, deferred);
- RETURN OLD;
+ RETURN NULL;
END;
-$$
-LANGUAGE plpgsql;
-
+$$ LANGUAGE plpgsql;
projects / nominatim.git / blobdiff