Scalar Functions

Example Graph

The following examples run against this graph:

cardinality()

Returns the cardinality of a path, a list, or a record.

GQL
MATCH p = ()->{1,3}()
RETURN p, cardinality(p)

Result:

GQL
LET myList = [1, 2, null, 3]
RETURN cardinality(myList)

Result:

GQL
LET rec = RECORD{no: 1, value: "tennis"}
RETURN cardinality(rec)

Result:

cast()

Specifies a data conversion.

GQL
RETURN cast(1 AS String)

Result:

element_id()

Gets the unique identifier _uuid of a graph element.

GQL
MATCH (n)-[e]->()
RETURN element_id(n), element_id(e)

Result:

labels()

Gets the label of a graph element.

GQL
MATCH (n)-[e]->()
RETURN labels(n), labels(e)

Result: