-- Physical facts move to the objects table; photos keeps only membership and
-- presentation data. size/width/height/mime_type are derived from the original
-- object via photo_objects + objects.
ALTER TABLE photos DROP COLUMN IF EXISTS storage_key;
ALTER TABLE photos DROP COLUMN IF EXISTS thumb_key;
ALTER TABLE photos DROP COLUMN IF EXISTS preview_key;
ALTER TABLE photos DROP COLUMN IF EXISTS size;
ALTER TABLE photos DROP COLUMN IF EXISTS width;
ALTER TABLE photos DROP COLUMN IF EXISTS height;
ALTER TABLE photos DROP COLUMN IF EXISTS mime_type;