I have temperature data stored in jdbc for multiple items using a rule (not a persistence file config). When I try to graph an individual item it works, but the group is always blank. I think I have followed the directions (naming each item separately). Is there any limitation with groups and jdbc data?
items:
Group gtemps
Number nOffice_rYesterday “Office [%d]” (gtemps)
Number nBedroom_rYesterday “Bedroom [%d]” (gtemps)
You need to define a type (and optionally a function) for the group in order for it to get state updates. Without this, the Group will remain at NULL state.
Group:Number gtemps
or
Group:Number:AVG gtemps
or
Group:Number:MAX gtemps
Thanks Dim, actually I had tried some of those, but the charts are always empty even when I try to assign a type and a function. All I want is for the two thermostats to be on the same graph. I’m wondering if it has something to do with the values not being stored based on persistence file configuration, but rather in the rules file with a cron expression. The values in the datbase look like: