IndexKeysDefinitionBuilder(TDocument).GeoHaystack Method (Expression(Func(TDocument, Object)), Expression(Func(TDocument, Object)))

IndexKeysDefinitionBuilderTDocumentGeoHaystack Method (ExpressionFuncTDocument, Object, ExpressionFuncTDocument, Object)

Creates a geo haystack index key definition.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.3.0

Syntax

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public IndexKeysDefinition<TDocument> GeoHaystack(
	Expression<Func<TDocument, Object>> field,
	Expression<Func<TDocument, Object>> additionalFieldName = null
)

Public Function GeoHaystack ( 
	field As Expression(Of Func(Of TDocument, Object)),
	Optional additionalFieldName As Expression(Of Func(Of TDocument, Object)) = Nothing
) As IndexKeysDefinition(Of TDocument)

member GeoHaystack : 
        field : Expression<Func<'TDocument, Object>> * 
        ?additionalFieldName : Expression<Func<'TDocument, Object>> 
(* Defaults:
        let _additionalFieldName = defaultArg additionalFieldName null
*)
-> IndexKeysDefinition<'TDocument>

Parameters

field: Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
The field.
additionalFieldName (Optional): Type: System.Linq.ExpressionsExpressionFuncTDocument, Object
Name of the additional field.

Return Value

Type: IndexKeysDefinitionTDocument
A geo haystack index key definition.

Reference

IndexKeysDefinitionBuilderTDocument Class

GeoHaystack Overload

MongoDB.Driver Namespace