Querying RDS in a private VPC from Athena.
Create the variables file set the values:
cp config/template.tfvars .auto.tfvars
Create the resources:
terraform init
terraform apply -auto-approve
In Athena, create a PostgreSQL Lambda connector.
The connection string will look something like this:
postgres://jdbc:postgresql://<HOST>:5432/athenadb?user=athena&password=p4ssw0rd