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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