# File lib/active_record/base.rb, line 1403
        def sanitize_sql_hash(attrs)
          conditions = attrs.map do |attr, value|
            "#{table_name}.#{connection.quote_column_name(attr)} #{attribute_condition(value)}"
          end.join(' AND ')

          replace_bind_variables(conditions, expand_range_bind_variables(attrs.values))
        end