Ansicht
Dokumentation

ABENCDS_ABSENT_TO_PARENT_ASSOC - CDS ABSENT TO PARENT ASSOC

- DEFINE ABSTRACT ENTITY, to-parent association

... ASSOCIATION TO PARENT target $[ON $projection.cds_cond$] ...

Effect

Defines a CDS to-parent association in the element list of an CDS abstract entity.

The CDS to-parent association associates the current CDS entity, as a association source, with the association target target specified in the definition of the CDS to-parent association.

CDS to-parent associations are specialized CDS associations and the same rules apply as described in topic CDS DDL - CDS View Entity, ASSOCIATION TO PARENT. There's only one exception to the rules described in topic CDS DDL - CDS View Entity, ASSOCIATION TO PARENT: If the association target of a to-parent association is another CDS abstract entity, then the ON condition is not mandatory and can be left out.

Example

The following DDL source code shows a CDS abstract entity that defines a CDS to-parent association to another CDS abstract entity: