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IndexKeysDefinitionBuilderTDocumentGeoHaystack Method (FieldDefinitionTDocument, FieldDefinitionTDocument)

Note: This API is now obsolete.

Creates a geo haystack index key definition.

Namespace:  MongoDB.Driver
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.21.0+5a9c3311e158910b88195f290e6d4b1b2715d2b2
Syntax
[ObsoleteAttribute("GeoHaystack indexes were deprecated in server version 4.4.")]
public IndexKeysDefinition<TDocument> GeoHaystack(
	FieldDefinition<TDocument> field,
	FieldDefinition<TDocument> additionalFieldName = null
)

Parameters

field
Type: MongoDB.DriverFieldDefinitionTDocument
The field.
additionalFieldName (Optional)
Type: MongoDB.DriverFieldDefinitionTDocument
Name of the additional field.

Return Value

Type: IndexKeysDefinitionTDocument
A geo haystack index key definition.
See Also