These properties are available:
adapter: The Horde_Db_Adapter this mapper is using to talk to
the database.
factory: The Horde_Rdo_Factory instance, if present
inflector: The Horde_Support_Inflector this Mapper uses to singularize
and pluralize PHP class, database table, and database field/key names.
table: The database table or view that this Mapper manages.
tableDefinition: The Horde_Db_Adapter_Base_TableDefinition object describing
the table or view this Mapper manages.
fields: Array of all field names that are loaded up front
(eager loading) from the table.
lazyFields: Array of fields that are only loaded when accessed.
relationships: Array of relationships to other Mappers.
lazyRelationships: Array of relationships to other Mappers which
are only loaded when accessed.