MarkLogic Server 11.0 Product Documentationcts.referenceNullable
cts.referenceNullable( reference as cts.reference ) as Boolean
Summary
Returns true() if the reference is nullable, false() otherwise.
| Parameters | |
|---|---|
| reference | An index reference. |
Example
cts.referenceNullable(cts.elementReference("TITLE",["nullable"]))
=>
true