Inheritance Checks (CDM/LDM)

PowerDesigner provides default model checks to verify the validity of inheritances.

Check	Description and Correction
Inheritance name and code uniqueness	Inheritance names and codes must be unique in the model. Manual correction: Modify the duplicate name/code Automatic correction: Appends a number to the duplicate name/code.
Existence of inheritance link	An inheritance must have at least one inheritance link, from the inheritance to the parent entity. Manual correction: Define the inheritance link or delete the inheritance. Automatic correction: None.
Incomplete inheritance with ungenerated ancestor	[LDM only] If an inheritance is incomplete, the parent should be generated because you can lose information. Manual correction: Generate parent entity or define the inheritance as complete. Automatic correction: None.

Check

Description and Correction

Inheritance name and code uniqueness

Inheritance names and codes must be unique in the model.

Manual correction: Modify the duplicate name/code

Automatic correction: Appends a number to the duplicate name/code.

Existence of inheritance link

An inheritance must have at least one inheritance link, from the inheritance to the parent entity.

Manual correction: Define the inheritance link or delete the inheritance.

Automatic correction: None.

Incomplete inheritance with ungenerated ancestor

[LDM only] If an inheritance is incomplete, the parent should be generated because you can lose information.

Manual correction: Generate parent entity or define the inheritance as complete.

Automatic correction: None.