Data Transformation Checks

PowerDesigner provides default model checks to verify the validity of data transformations.

Check	Description and Correction
Data transformation name and code uniqueness	Data transformation names and codes must be unique in the namespace. Manual correction: Modify the duplicate name/code Automatic correction: Appends a number to the duplicate name/code
Empty transformation expression	The transformation expression should not be empty. Manual correction: Define a transformation expression in the Transformation tab of the data transformation property sheet Automatic correction: None
Empty assigned variable	The target variable of a transformation must not be undefined. Manual correction: Select a variable object in the Assigned Variable list of the data transformation property sheet Automatic correction: Creates a variable object and associates it with the data transformation

Check

Description and Correction

Data transformation name and code uniqueness

Data transformation names and codes must be unique in the namespace.

Manual correction: Modify the duplicate name/code

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

Empty transformation expression

The transformation expression should not be empty.

Manual correction: Define a transformation expression in the Transformation tab of the data transformation property sheet

Automatic correction: None

Empty assigned variable

The target variable of a transformation must not be undefined.

Manual correction: Select a variable object in the Assigned Variable list of the data transformation property sheet

Automatic correction: Creates a variable object and associates it with the data transformation