 | UniqueLookup Fields |
The UniqueLookup type exposes the following members.
Fields| Name | Description | |
|---|---|---|
 | Expr |
The expression for computing the unique id with which the unique index will be accessed
|
| NeededElement |
The pattern element that must be bound before the unique index can be accessed.
null if the unique index can be accessed straight from the beginning, does not depend on other nodes/edges.
|
| VariablesNeeded |
Tells whether variables are needed for the expressions used in accessing the index.
This defines a constraint on scheduling.
|
See Also