from(bucket: "syslog")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r["_measurement"] == "influxdb2.local0.debug")
  |> filter(fn: (r) => r["_field"] == "facility" or r["_field"] == "host" or r["_field"] == "severity")
  |> unique()
  |> yield(name: "unique")