# File lib/active_record/connection_adapters/jdbc_adapter.rb, line 472 def adapter_spec(config) dialect = (config[:dialect] || config[:driver]).to_s ::JdbcSpec.constants.map { |name| ::JdbcSpec.const_get name }.each do |constant| if constant.respond_to? :adapter_matcher spec = constant.adapter_matcher(dialect, config) return spec if spec end end nil end