message: change R snap
diff: Code
  as.list(dbGetQuery(con,
  - "SELECT * EXCLUDE (timestamp_tz, time_tz, map) REPLACE(replace(varchar, chr(0), '') AS varchar) FROM test_all_types()"))
  + "SELECT * EXCLUDE (timestamp_tz, time_tz, map, bit) REPLACE(replace(varchar, chr(0), '') AS varchar) FROM test_all_types()"))
  Output
  $bool
  [1] FALSE TRUE NA
  