find_some

# File activerecord/lib/active_record/relation/finder_methods.rb, line 461
    def find_some(ids)
      result = where(primary_key => ids).to_a

      expected_size =
        if limit_value && ids.size > limit_value
          limit_value
        else
          ids.size
        end

      # 11 ids with limit 3, offset 9 should give 2 results.
      if offset_value && (ids.size - offset_value < expected_size)
        expected_size = ids.size - offset_value
      end

      if result.size == expected_size
        result
      else
        raise_record_not_found_exception!(ids, result.size, expected_size)
      end
    end