Class ExistentialSubquery

  • All Implemented Interfaces:
    Condition, Expression, Visitable

    @API(status=EXPERIMENTAL,
         since="2020.1.2")
    @Neo4jVersion(minimum="4.0.0")
    public final class ExistentialSubquery
    extends java.lang.Object
    implements Condition
    An existential subquery can only be used in a where clause. The subquery must consisted only of a match statement which may have a WHERE clause on its own but is not not allowed to return anything.
    Since:
    2020.1.2
    Author:
    Michael J. Simons
    Neo4j version required
    4.0.0
    • Method Detail

      • accept

        public void accept​(Visitor visitor)
        Description copied from interface: Visitable
        Accept a Visitor visiting this Visitable and its nested Visitables if applicable.
        Specified by:
        accept in interface Visitable
        Parameters:
        visitor - the visitor to notify, must not be null.