Stacked Bar Chart Help

Stacking

image

from(bucket: "hotel_motel")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r["_measurement"] == "power_usage")
  |> filter(fn: (r) => r["_field"] == "Floor" or r["_field"] == "Room1" or r["_field"] == "Room2" or r["_field"] == "Room3" or r["_field"] == "Room4")
  |> filter(fn: (r) => r["tag1"] == "powa")
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