Expression where some values might be "no data"

[jangaraj]

@jhall1990

For the visualization I have 5 different queries
SELECT "execTime" FROM <measurement> WHERE requestId = ${requestId}

Are those queried as timeseries? Because if they are timeseries, then it is not so simple:

Addition of queries via Expression option not working

What’s looks like a simple math (A+B) is not so simple. Start simple math: 10 (result from query A) + 10 (result from query B) = 20 (expected result from math expression $A+$B) Actually, result from query is timeseries (see query config Format as: Time series) - there is list of values and each value represent some value in time, so it can be: 10 (result from query A at 2024-01-01 00:00:00) + 10 (result from query B at 2024-01-01 00:00:00) = 20 (expected result from math expression $A+…