desc: Can't store r.minval or r.maxval in a secondary index, even when they're in an array.
table_variable_name: tbl
tests:
    - py: tbl.index_create("min", lambda x: r.minval)
      ot: {"created": 1}
    - py: tbl.index_create("max", lambda x: r.maxval)
      ot: {"created": 1}
    - py: tbl.index_create("min_arr", lambda x: [r.minval])
      ot: {"created": 1}
    - py: tbl.index_create("max_arr", lambda x: [r.maxval])
      ot: {"created": 1}
    - py: tbl.index_wait("min", "max", "min_arr", "max_arr")
    - py: tbl.insert({"id": 1})
      ot: partial({"inserted": 1})
    - py: tbl.order_by(index="min").count()
      ot: 0
    - py: tbl.order_by(index="max").count()
      ot: 0
    - py: tbl.order_by(index="min_arr").count()
      ot: 0
    - py: tbl.order_by(index="max_arr").count()
      ot: 0