moved sql function flush_deleted_places() to utils

This commit is contained in:
lujoh
2023-10-17 18:22:27 -04:00
parent e9efef9095
commit 06204dfcd8
3 changed files with 77 additions and 95 deletions

View File

@@ -487,3 +487,56 @@ BEGIN
END;
$$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION flush_deleted_places()
RETURNS INTEGER
AS $$
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 = 'N' and place_to_be_deleted.osm_type = 'N'
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;
UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted
WHERE placex.osm_type = 'W' and place_to_be_deleted.osm_type = 'W'
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;
UPDATE placex SET indexed_status = 100 FROM place_to_be_deleted
WHERE placex.osm_type = 'R' and place_to_be_deleted.osm_type = 'R'
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;