Sven Klemm 9f0b4e0aa7 add groupby when adding first aggregate		%!s(int64=7) %!d(string=hai) anos
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img	e5e6bc56c8 public: fix codespell issues	%!s(int64=7) %!d(string=hai) anos
partials	b49d10104e add popover for metric column	%!s(int64=7) %!d(string=hai) anos
specs	0e608a08c2 fix test for query generation	%!s(int64=7) %!d(string=hai) anos
README.md	6fa46d9539 plugins: update meta data for all core plugins	%!s(int64=7) %!d(string=hai) anos
datasource.ts	6e824e81bf fix rate special function when using group by	%!s(int64=7) %!d(string=hai) anos
meta_query.ts	43686616a0 add query to find metric table	%!s(int64=7) %!d(string=hai) anos
mode-sql.js	d1c9760fa8 Postgres Data Source (#9475)	%!s(int64=8) %!d(string=hai) anos
module.ts	4599329683 set default for sslmode to verify-full in postgres datasource editor (#11615)	%!s(int64=7) %!d(string=hai) anos
plugin.json	6fa46d9539 plugins: update meta data for all core plugins	%!s(int64=7) %!d(string=hai) anos
postgres_query.ts	0e608a08c2 fix test for query generation	%!s(int64=7) %!d(string=hai) anos
query_ctrl.ts	9f0b4e0aa7 add groupby when adding first aggregate	%!s(int64=7) %!d(string=hai) anos
response_parser.ts	66c03f84f5 postgres: fix precision for the time column in table/annotation query mode	%!s(int64=7) %!d(string=hai) anos
sql_part.ts	6e824e81bf fix rate special function when using group by	%!s(int64=7) %!d(string=hai) anos

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.