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

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

Creates a geo haystack index key definition.

Namespace: MongoDB.Driver
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.4.1

Syntax

Copy

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.Expressions.Expression<Func<TDocument, Object>>
The field.
additionalFieldName (Optional): Type: System.Linq.Expressions.Expression<Func<TDocument, Object>>
Name of the additional field.

Return Value

Type: IndexKeysDefinition<TDocument>
A geo haystack index key definition.

Reference

IndexKeysDefinitionBuilder<TDocument> Class

GeoHaystack Overload

MongoDB.Driver Namespace