Convert SQLite TEXT to underlying binary representation of unicode data as INTEGER

bytes.sql

WITH RECURSIVE bytes(i, byte) AS (
   VALUES(1, 0)
   UNION ALL
   SELECT i + 1, (
      WITH code_points(code_point) AS (
         VALUES(0)
         UNION ALL
         SELECT (UNICODE(
            SUBSTR('hey', i * -1, 1)
         ) << (i - 1) * 8) FROM code_points LIMIT 2
      ) SELECT sum(code_point) FROM code_points
   ) AS byte_column FROM bytes WHERE byte_column > 0
) SELECT sum(byte) FROM bytes;