SpatialEdmFunctions.GeographyMultiPolygonFromText Method (DbExpression, DbExpression)
Creates a DbFunctionExpression that invokes the canonical 'GeographyMultiPolygonFromText' function with the specified arguments. multiPolygonWellKnownText must have a string result type, while coordinateSystemId must have an integer numeric result type. The result type of the expression is Edm.Geography.
Assembly: EntityFramework (in EntityFramework.dll)
[SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Multi", Justification = "Match OGC, EDM")] [SuppressMessageAttribute("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "multi", Justification = "Match OGC, EDM")] public static DbFunctionExpression GeographyMultiPolygonFromText( DbExpression multiPolygonWellKnownText, DbExpression coordinateSystemId )
Parameters
- multiPolygonWellKnownText
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that provides the well known text representation of the geography multi-polygon value.
- coordinateSystemId
-
Type:
System.Data.Entity.Core.Common.CommandTrees.DbExpression
An expression that provides the coordinate system id (SRID) of the geography multi-polygon value's coordinate system.
Return Value
Type: System.Data.Entity.Core.Common.CommandTrees.DbFunctionExpressionA new DbFunctionExpression that returns a new geography multi-polygon value based on the specified values.