label

Labels are used to categorize nodes, and the label module provides an array of utilities for working with labels in a Memgraph database.

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Procedures

exists(node, label)

Checks whether a specified label exists within the provided node.

Input:

• node: Any ➡ node whose labels are to be checked.
• label: string ➡ name of the label whose existence is to be confirmed.

Output:

• exists: bool ➡ whether or not provided node has a specified label.

Usage:

CREATE (:Student {name: 'Ana'});
MATCH (s:Student {name: 'Ana'}) CALL label.exists(s, "Teacher") YIELD exists RETURN exists;

+----------------------------+
| exists                     |
+----------------------------+
| False                      |
+----------------------------+