elasticsearchHow do I configure Elasticsearch to work with PostgreSQL?

1. First install the PostgreSQL JDBC driver on the Elasticsearch server, as described in the documentation.

2. Configure the elasticsearch.yml file to include the PostgreSQL JDBC driver in the path.plugins setting, e.g.

path.plugins: /usr/share/elasticsearch/plugins/postgresql-jdbc-driver

3. Configure the elasticsearch.yml file to include the PostgreSQL connection details, e.g.

xpack.sql.jdbc.username: postgres
xpack.sql.jdbc.password: postgres
xpack.sql.jdbc.url: jdbc:postgresql://localhost:5432/postgres

4. Restart the Elasticsearch server to apply the changes.

5. Once the server is restarted, run the following command to verify that the PostgreSQL connection is working:

curl -XGET 'localhost:9200/_xpack/sql?format=txt'

The output should look something like this:

{
  "status" : 200,
  "sql" : {
    "jdbc" : {
      "url" : "jdbc:postgresql://localhost:5432/postgres",
      "username" : "postgres"
    }
  }
}

6. Once the connection is verified, you can use the _xpack/sql endpoint to run SQL queries against the PostgreSQL database.

7. For more information, see the Elasticsearch documentation.

Edit this code on GitHub