Modify > Change Datatype across Graphs

This feature is available from the Modify Menu for property (shape) definitions in Ontology asset collections. It opens a dialog where you can select other asset collections that include the current Ontology and asks you to select a new datatype for the property values. It will then proceed and try to replace all statements where the property is used, changing their datatype to the selected datatype.

Note

This feature is typically used when the datatype of a property changes, for example from integer to decimal, and there is already a body of existing instance data.

Caution

For each individual statement that uses the property, the system will check if the value is actually valid for the new datatype. For example, it is not possible to automatically convert from integer to date. Changing the datatype may in these cases cause constraint violations.

Note

This feature is not available for property declarations that have complex SHACL path expressions including inverse properties.

See Also

• Modify > Delete all Property Values across Asset Collections

• Modify > Replace Property across Asset Collections

Further Reading on Ontologies

• Working with Ontologies

Further Reading on Modify Menu

• Resource Actions

Further Reading on TopBraid

• Introduction to EDG