Use abbreviated method name and regex.

lib/geocoder/orms/active_record.rb

@@ -62,7 +62,7 @@ module Geocoder::Orm
       #
       def near_scope_options(latitude, longitude, radius = 20, options = {})
         radius *= Geocoder::Calculations.km_in_mi if options[:units] == :km
-        if ::ActiveRecord::Base.connection.adapter_name == "SQLite"
+        if connection.adapter_name.match /sqlite/i
           approx_near_scope_options(latitude, longitude, radius, options)
         else
           full_near_scope_options(latitude, longitude, radius, options)