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This adds a new fill mode last (last observation carried forward) for grafana to the sql datasources. This fill mode will fill in the last seen value in a series when a timepoint is missing or NULL if no value for that series has been seen yet.
Grafana PostgreSQL Data Source - Native Plugin
Grafana ships with a built-in PostgreSQL data source plugin that allows you to query and visualize data from a PostgreSQL compatible database.
Adding the data source
- Open the side menu by clicking the Grafana icon in the top header.
- In the side menu under the Dashboards link you should find a link named Data Sources.
- Click the + Add data source button in the top header.
- Select PostgreSQL from the Type dropdown.