SpatialEdmFunctions.SpatialLength(DbExpression) Method

  • Reference

Definition

Namespace:
System.Data.Entity.Core.Common.CommandTrees.ExpressionBuilder.Spatial
Assembly:
EntityFramework.dll

Creates a DbFunctionExpression that invokes the canonical 'SpatialLength' function with the specified argument, which must have an Edm.Geography or Edm.Geometry result type. The result type of the expression is Edm.Double.

public static System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression SpatialLength (this System.Data.Entity.Core.Common.CommandTrees.DbExpression spatialValue);
static member SpatialLength : System.Data.Entity.Core.Common.CommandTrees.DbExpression -> System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpression
<Extension()>
Public Function SpatialLength (spatialValue As DbExpression) As DbFunctionExpression

Parameters

spatialValue
DbExpression

An expression that specifies the spatial curve value from which the length should be retrieved.

Returns

DbFunctionExpression

A new DbFunctionExpression that returns either the length of spatialValue or null if spatialValue is not a curve.

Applies to