DBExtend - Database extent definition
Inherits:
DBFieldDef
Extent definitions are definitions for global collections, which are read usually from an SDB_Extend definition. While running an application, extents may, however, also be created for transient extents.
Attributes
- type_key - Type key for extent identification
- base_extend - List of base extents
- derived_extends - Derived extents
- cs_values - Value list for Enumeration extents
- intersect - INTERSECTION option
- union_set - COMPLETE option
- disjunct - DISTINCT option
- controlled - Controlled extent
- acctype - Extents access type
- copy_def - Copy extent definition
Functions
- DBExtend - Extent definition constructor
- GetBaseExtent - Get superset definition
- GetDerivedExtent - Get derived extent
- GetMainBase - Get main base number
- GetNameKey - Get type key for extent
- GetSubsetCount - - internal feature (not documented)
- GetSupersetCount - - internal feature (not documented)
- get_acctype - Get extent access type
- get_controlled - Return controlled property of extent
- get_disjunct - Returns whether extent's subsets are distinct
- get_intersect - Returns whether the extent is the intersection of its base extents
- get_union_set - Returns whether the extent is the union set of it's subsets
- ~DBExtend - Destructor