Actually I want the cardinality of the tag value in the influxdb database with multiple measurements. e.g. DB has m1,m2,m3 measurements and I wrote the query as show tag values cardinality on Db from m1 with key = "key" this query return the result suppose 6. Now I want to add this result with the result of the other query show tag values cardinality on Db from m2 with key = "key" and it also returns some number. I want to add these numbers and display them in the grafana dashboard. But I can't figure out how to add the results of these queries.
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