is subdoc-entity

operator

Return type:: Switch
Returns:: Returns true if the entity or attribute is a subdocument entity, and false otherwise. Replacing is with isnt will reverse the results.

Syntax

entity (is | isnt) subdoc-entity
OR
attribute attribute-name (is | isnt) subdoc-entity

Purpose

An entity or attribute test that succeeds if the entity or attribute is an external subdocument entity.

Related Concepts