IndexKeysDefinitionBuilderTDocumentGeoHaystack Method (ExpressionFuncTDocument, Object, ExpressionFuncTDocument, Object) |
Note: This API is now obsolete.
Creates a geo haystack index key definition.
Namespace:
MongoDB.Driver
Assembly:
MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.15.0+f503bf610759c13f78cff9a3c01e91453185d2ed
Syntax [ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")]
public IndexKeysDefinition<TDocument> GeoHaystack(
Expression<Func<TDocument, Object>> field,
Expression<Func<TDocument, Object>> additionalFieldName = null
)
<ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")>
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)
[<ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")>]
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.
See Also