PowerDesigner provides default model checks to verify the validity of KeyRefs.
Check |
Description and Correction |
---|---|
KeyRef name and code uniqueness |
KeyRef 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. |
Undefined reference |
A keyRef must contain a reference to a key or a unique constraint. Manual correction: In the keyRef property sheet, define a reference to a key or a unique constraint with the Reference list. Automatic correction: None |
Existence of fields |
A keyRef must contain at least one field. Manual correction: Add at least one field to the keyRef or delete the keyRef. For example: @numEmployee. Automatic correction: Deletes unassigned keyRef. For more information on fields, see Specifying Constraint Fields. |
Undefined selector |
You must define an XPath expression for a keyRef selector attribute. Manual correction: In the keyRef property sheet, define an XPath expression for the selector attribute. For example: s:company/s:employee. Automatic correction: None For more information on XPath expressions, see Specifying a Constraint Selector. |