Node & relationship functions

The following functions are used to get information about nodes and relationships.

Function	Description	Alias
ID	returns the internal ID of node/rel
LABEL	returns the label name of node/relationship	LABELS
OFFSET	returns the offset of the internal ID

See below for more details on each of these functions.

ID

Returns the internal ID of node/rel.

Input type	Output type
NODE	ID (Internal database ID)
REL	ID (Internal database ID)

MATCH (a:User) RETURN ID(a) AS ID LIMIT 1;

Output:

┌─────────────┐
│ ID          │
│ INTERNAL_ID │
├─────────────┤
│ 0:0         │
└─────────────┘

LABEL

Returns the label name of node/rel.

Input type	Output type
NODE	STRING
REL	STRING

MATCH (a) RETURN LABEL(a) AS LABEL LIMIT 1;

Output:

┌────────┐
│ LABEL  │
│ STRING │
├────────┤
│ User   │
└────────┘

Alias LABELS is available

As of version 0.9.0, the LABELS function can also be used as an alias for the LABEL function. For example:

MATCH (a) RETURN LABELS(a) AS LABELS LIMIT 1;

OFFSET

Returns the offset of the internal ID.

Input type	Output type
ID	INT64

MATCH (a) RETURN OFFSET(ID(a)) AS OFFSET LIMIT 1;

Output:

┌────────┐
│ OFFSET │
│ INT64  │
├────────┤
│ 0      │
└────────┘