class ActiveRecord::DatabaseConfigurations::ConnectionUrlResolver

}
timeout: "3000"
pool: "5",
password: "bar",
username: "foo",
database: "foo_test",
port: 9000,
host: "localhost",
adapter: "postgresql",
# => {
ConnectionUrlResolver.new(url).to_hash
url = "postgresql://foo:bar@localhost:9000/foo_test?pool=5&timeout=3000"

== Example
:nodoc:
Expands a connection string into a hash.

def initialize(url)
  raise "Database URL cannot be empty" if url.blank?
  @uri     = uri_parser.parse(url)
  @adapter = @uri.scheme && @uri.scheme.tr("-", "_")
  @adapter = "postgresql" if @adapter == "postgres"
  if @uri.opaque
    @uri.opaque, @query = @uri.opaque.split("?", 2)
  else
    @query = @uri.query
  end
end