The RdsConstraintType enumeration contains variants of behavior on attempting to remove elements in the dictionary, to which references in other dictionaries exist.
It is used by the following property:
Value | Brief description |
0 | Restrict. On attempt to delete elements, to which references exist in other dictionaries, the access is restricted, and exception is thrown. |
1 | Cascade. On deleting the elements, to which references exist in other dictionaries, linked elements are deleted too. |
2 | None. On deleting the elements, to which references exist in other dictionaries, a reference is deleted in the linked elements. |
3 | SetNull. On deleting the elements, to which references exist in other dictionaries, empty value is set in attributes of linked elements. |
4 | MakeHidden. On deleting the elements, to which references exist in other dictionaries, linked elements are marked as hidden. |
See also: