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IndexKeysTDocumentGeoSpatialHaystackTMember Method (ExpressionFuncTDocument, TMember)

Sets the key name to create a geospatial haystack index on.

Namespace:  MongoDB.Driver.Builders
Assembly:  MongoDB.Driver.Legacy (in MongoDB.Driver.Legacy.dll) Version: 2.7.3+Branch.v2.7.x.Sha.2f1f2be13a23b8520cb9c2ee8439c022f9a03efe
Syntax
public static IndexKeysBuilder<TDocument> GeoSpatialHaystack<TMember>(
	Expression<Func<TDocument, TMember>> memberExpression
)

Parameters

memberExpression
Type: System.Linq.ExpressionsExpressionFuncTDocument, TMember
The member expression.

Type Parameters

TMember
The type of the member.

Return Value

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