# Functions
RegisterDriverAndOpen registers the selected driver with the datadog-lib, and opens a connection to the database using the dsn.
WithChildSpansOnly causes spans to be created only when there is an existing parent span in the Context.
WithCustomTag will attach the value to the span tagged by the key.
WithIgnoreQueryTypes specifies the query types for which spans should not be created.
WithServiceName overrides the service-name set in environment-variable "DD_SERVICE".
# Type aliases
Option allows for overriding our default-config.