dolphinscheduler0701/docs/docs/en/guide/datasource/postgresql.md

PostgreSQL

Datasource Parameters

Datasource	Description
Datasource	Select POSTGRESQL.
Datasource name	Enter the name of the DataSource.
Description	Enter a description of the DataSource.
IP/Host Name	Enter the PostgreSQL service IP.
Port	Enter the PostgreSQL service port.
Username	Set the username for PostgreSQL connection.
Password	Set the password for PostgreSQL connection.
Database name	Enter the database name of the PostgreSQL connection.
Jdbc connection parameters	Parameter settings for PostgreSQL connection, in JSON format.

Native Supported

Yes, could use this datasource by default.