e when
communicating with a service. You can specify a complete URL (including the "http/https" scheme)
to override this behaviour. If this value is provided, then <code>disable_ssl</code> is ignored.
If <code>endpoint_override</code> is a character then AWS Athena endpoint is overridden. To override
AWS S3 or AWS Glue endpoints a named list needs to be provided. The list can only have the following names ['athena', 's3', glue']
for example <code>list(glue = "https://glue.eu-west-1.amazonaws.com")</code></p