SELECT
  table_name,
  pg_size_pretty (table_size) AS table_size,
  pg_size_pretty (indexes_size) AS indexes_size,
  pg_size_pretty (total_size) AS total_size
FROM
  (
    SELECT
      table_name,
      pg_table_size (table_name) AS table_size,
      pg_indexes_size (table_name) AS indexes_size,
      pg_total_relation_size (table_name) AS total_size
    FROM
      (
        SELECT
          ('"' || table_schema || '"."' || table_name || '"') AS table_name
        FROM
          information_schema.tables
      ) AS all_tables
    ORDER BY
      total_size DESC
  ) AS pretty_sizes;