Description.  This is an enumerated type which describes the sort of column index represented by a given instance of Index.


Do not confuse this enumerated type with Object::Type, or with Column::Type.

Enumeration values.  Possible values are shown, along with descriptions, in the following table:

UndefinedUndefined object type (initial/default value)
UniqueHashIndexUnique unordered hash index (only index type currently supported)
OrderedIndexNonunique, ordered index