[PyIndexer] There are only three types of index!

[Chris W. <ch...@ni...>]

Hi,

Had a bit fo a revelation today...

There are only three types of index:

SingleValueIndex

  Indexes a single value per identifier.
  These can be sorted on, grouped by, etc.

MultipleValueIndex

  Indexes multiple values for identifier
  Can these be sorted on, grouped by, etc?

OrderedIndex

  Indexes multiple values for an identifier
  and remembers the order the values were
  presented in.

Now I defy someone to prove me wrong ;-)

Chris