Enum Occur

Specifies how clauses are to occur in matching documents.

Namespace: Lucene.Net.Search

Assembly: Lucene.Net.dll

Syntax

public enum Occur

Fields

Name	Description
MUST	Use this operator for clauses that must appear in the matching documents.
MUST_NOT	Use this operator for clauses that must not appear in the matching documents. Note that it is not possible to search for queries that only consist of a MUST_NOT clause.
SHOULD	Use this operator for clauses that should appear in the matching documents. For a BooleanQuery with no MUST clauses one or more SHOULD clauses must match a document for the BooleanQuery to match.