message: Warning shown only once
diff: Code
  as.list(dbGetQuery(con,
  "SELECT * EXCLUDE (timestamp_tz, time_tz, uuid, interval, json, map) FROM test_all_types()"))
  - Warning <simpleWarning>
  - Coercing nanoseconds to a lower resolution may result in a loss of data.
  Output
  $bool
  [1] FALSE TRUE NA
  