Persitence concepts (and later Grafana...)

[vzorglub (Vincent Regaud)]

Please have a look at:

InfluxDB+Grafana persistence and graphing

Store your openHAB item states in an InfluxDB time-series datastore and create highly customizable diagrams with Grafana. These diagrams can in return be included in your sitemap as images. [image] Following this guide, you will install InfluxDB and Grafana, make openHAB store data in an InfluxDB database, make Grafana fetch data from the InfluxDB database and draw diagrams. Finally you can include these diagrams in your openHAB sitemap. Table of Content Starting Point InfluxDB Installation…

Regarding the structure on the database, the binding will create the sturcture and tables.
I am afraid but you have no say in what the binding does, unless of course you can modify it.
If you want to use your own set of data in a database, you will have to do that through an external tool like python, node or scripts.