Open marl0rd opened 7 years ago
This is an example of what historic table looks like with 3 tags:
Are DISTANCE, SPEED and FUEL tags?
Yes. Read from a car computer.
But, if you guys implement the Jason array technique, would be a 2 columns table...
Historian is a important feature in Eru and it have a pretty basic concept:
The Historian is a thread that takes snapshots of the tags each fixed time and save it in the Historic table in the database.
There is some details about functionality: