To add a filter, toggle the Filter switch at the top of the editor. You can also specify an optional aggregation function.Īdd further value columns by clicking the plus button and another column dropdown appears. Using the dropdown, select a column to include in the data. Columns and Aggregation functions (SELECT) The table dropdown is populated with the tables that are available within that database. The dataset dropdown will be populated with the configured database to which the user has access. To use the time series format one of the columns must be named time. The response from PostgreSQL can be formatted as either a table or as a time series. The built query can be run by pressing the Run query button in the top right corner of the editor. The PostgreSQL query builder is available when editing a panel using a PostgreSQL data source. To protect against this we highly recommend you create a specific PostgreSQL user with restricted permissions. For example, statements like DELETE FROM user and DROP TABLE user would beĮxecuted. The queryĬould include any SQL statement. Grafana does not validate that the query is safe. The specified database and tables you want to query. The database user you specify when you add the data source should only be granted SELECT permissions on The following time identifiers are supported: Identifier Number followed by a valid time identifier, e.g. It’s important to note that this value needs to be formatted as a This option can also be overridden/configured in a dashboard panel under data source options. Recommended to be set to write frequency, for example 1m if your data is written every minute. For more information, see TimescaleDB documentation.Ī lower limit for the $_interval and $_interval_ms variables. When enabled, Grafana uses time_bucket in the $_timeGroup macro to display TimescaleDB specific aggregate functions in the query builder (only available in Grafana 5.3+). The maximum amount of time in seconds a connection may be reused, default 14400/4 hours (Grafana v5.4+).ĭetermines which functions are available in the query builder (only available in Grafana 5.3+).Ī time-series database built as a PostgreSQL extension.

If set will set the maximum number of idle connections to the number of maximum open connections (Grafana v9.5.1+). The maximum number of connections in the idle connection pool, default 100 (Grafana v5.4+). The maximum number of open connections to the database, default 100 (Grafana v5.4+). Grafana v7.5+įile path or file content of SSL root certificate, client certificate and client key When SSL Mode is disabled, SSL Method and Auth Details would not be visible.ĭetermines whether the SSL Auth details will be configured as a file path or file content.

The connection string for connecting to Postgres will not be correct and it may cause errors.ĭetermines whether or with what priority a secure SSL TCP/IP connection will be negotiated with the server. The IP address/hostname and optional port of your PostgreSQL instance. This is how you refer to the data source in panels and queries.ĭefault data source means that it will be pre-selected for new panels. Set the data source’s basic configuration options: The Settings tab of the data source is displayed. Under Your connections, click Data sources. To configure basic settings for the data source, complete the following steps: Only users with the organization administrator role can add data sources.Īdministrators can also configure the data source via YAML with Grafana’s provisioning system.

Grafana ships with a built-in PostgreSQL data source plugin that allows you to query and visualize data from a PostgreSQL compatible database.įor instructions on how to add a data source to Grafana, refer to the administration documentation. Grafana Cloud Enterprise Open source PostgreSQL data source

Pgadmin 4 graphical query builder