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;
+
-- 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;
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 = 'boundary' and placex.type = 'administrative';
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;
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;
+ 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);
- -- 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;
+ RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
- RETURN OLD;
+CREATE OR REPLACE FUNCTION flush_deleted_places()
+ RETURNS INTEGER
+ AS $$
+BEGIN
+ -- deleting large polygons can have a massive effect on the system - require manual intervention to let them through
+ INSERT INTO import_polygon_delete (osm_type, osm_id, class, type)
+ SELECT osm_type, osm_id, class, type FROM place_to_be_deleted WHERE deferred;
+
+ -- delete from place table
+ ALTER TABLE place DISABLE TRIGGER place_before_delete;
+ DELETE FROM place USING place_to_be_deleted
+ WHERE place.osm_type = place_to_be_deleted.osm_type
+ and place.osm_id = place_to_be_deleted.osm_id
+ and place.class = place_to_be_deleted.class
+ and place.type = place_to_be_deleted.type
+ and not deferred;
+ ALTER TABLE place ENABLE TRIGGER place_before_delete;
+
+ -- Mark for delete in the placex table
+ UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted
+ WHERE placex.osm_type = place_to_be_deleted.osm_type
+ and placex.osm_id = place_to_be_deleted.osm_id
+ and placex.class = place_to_be_deleted.class
+ and placex.type = place_to_be_deleted.type
+ and not deferred;
+
+ -- Mark for delete in interpolations
+ UPDATE location_property_osmline SET indexed_status = 100 FROM place_to_be_deleted
+ WHERE place_to_be_deleted.osm_type = 'W'
+ and place_to_be_deleted.class = 'place'
+ and place_to_be_deleted.type = 'houses'
+ and location_property_osmline.osm_id = place_to_be_deleted.osm_id
+ and not deferred;
+
+ -- Clear todo list.
+ TRUNCATE TABLE place_to_be_deleted;
+
+ RETURN NULL;
END;
-$$
-LANGUAGE plpgsql;
+$$ LANGUAGE plpgsql;
projects / nominatim.git / blobdiff