citus

Connecting Java and Citus with ADBC

Instructions

Tip

If you already have a Citus instance running, skip the steps to set up and clean up Citus.

Prerequisites

1. Install Maven

2. Install dbc

Set up Citus

1. Install Docker

2. Start a Citus instance:

   docker run -d --rm --name citus_standalone -p 5432:5432 -e POSTGRES_PASSWORD=password citusdata/citus

Connect to Citus

1. Install the PostgreSQL ADBC driver:

   dbc install postgresql

2. Customize the main method in Example.java

   • Change the connection arguments in the params.put() calls
   • Format uri according to the connection URI format used by PostgreSQL, or keep it as is
   • If you changed which database you're connecting to, also change the SQL SELECT statement in stmt.setSqlQuery()

3. Run the Java program:

   mvn compile exec:exec

Clean up

Stop the Docker container running Citus:

docker stop citus_standalone