Use the validation feature to check for invalid object references within a data
module.
About this task
Validation identifies the following errors:
- A table or column that a data module is based on no longer exists in the source.
- A calculation expression is invalid.
- A filter references a column that no longer exists in the data module.
- A table or column that is referenced in a join no longer exists in the data module.
Errors in the data module are identified by the failed validation icon .
Procedure
-
In the data module tree, click the data module context menu icon , and click Validate
If errors are identified, the failed validation icon
is displayed in the data module tree, in the diagram, and in the properties panel, next to the
column or expression where the error exists. The descriptions of errors are displayed in the
validation view.
Tip: To open the validation view, click its icon
.
-
Click the failed validation icon for a module,
column, expression, or join to view a pop-up box that informs you of the number of errors for the
selected item. Double-click the failed validation icon
in the pop-up box to view the error details.
Results
Using the validation messages, try to resolve the errors. You can save a data module with
validation errors in it.