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SSL Linkage methods
U929-J-Z125-9-76 145
Dokuschablonen 19x24 Version 7.3us für FrameMaker V7.x vom 14.02.2007 © cognitas GmbH 2001-2007
24. Oktober 2007 Stand 08:58.55 Pfad: G:\vogt\fsc\uds\Manuale\en\udsent_e\udsent.k05
Storing a set occurrence as a pointer array
MODE IS POINTER-ARRAY
If MODE IS POINTER-ARRAY is defined for a set, UDS/SQL links the member records of
its set occurrences via a table called a pointer array.
This table contains pointers to each member record of a set occurrence. A pointer consists
of the RSQ of the member record and the PPP of the page containing the member record
(see page 224, Table line).
The further contents of the pointer array depend on which ORDER clause was defined for
the set in the schema DDL.
– ORDER IS LAST/FIRST/NEXT/PRIOR/IMMATERIAL or
SORTED INDEXED BY DATABASE-KEY
The pointer array contains only the pointers to the member records of the set occur-
rence.
– ORDER IS SORTED INDEXED BY DEFINED KEYS
In addition to the pointers to the member records of the set occurrence, the pointer array
contains the associated values of the primary key.
– ORDER IS SORTED
This entry is not allowed for a pointer array.