IndexKeysTDocumentWildcard Method

Sets a wildcard key to the index.

Namespace: MongoDB.Driver.Builders
Assembly: MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.20.0+ee01960089f28ea1b501690df5fc9f6318a70242

Syntax

Copy

public static IndexKeysBuilder<TDocument> Wildcard(
	Expression<Func<TDocument, Object>> memberExpression = null
)

Public Shared Function Wildcard ( 
	Optional memberExpression As Expression(Of Func(Of TDocument, Object)) = Nothing
) As IndexKeysBuilder(Of TDocument)

static member Wildcard : 
        ?memberExpression : Expression<Func<'TDocument, Object>> 
(* Defaults:
        let _memberExpression = defaultArg memberExpression null
*)
-> IndexKeysBuilder<'TDocument>

Parameters

memberExpression (Optional): Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The member expression representing the wildcard key name. If the wildcard name is empty, the generated key will be `All field paths`, otherwise `A single field path`.

Return Value

Type: IndexKeysBuilderTDocument
The builder (so method calls can be chained).

Reference

IndexKeysTDocument Class

MongoDB.Driver.Builders Namespace

IndexKeysAddLanguageSpecificTextSet("LST8BA0A9A0_0?cs=&lt;|vb=(Of |cpp=&lt;|fs=&lt;'|nu=(");TDocumentAddLanguageSpecificTextSet("LST8BA0A9A0_1?cs=&gt;|vb=)|cpp=&gt;|fs=&gt;|nu=)");AddLanguageSpecificTextSet("LST8BA0A9A0_2?cpp=::|nu=.");Wildcard Method

Parameters

Return Value

Reference

IndexKeysTDocumentWildcard Method