Microsoft.SqlServer.Types 命名空间
The Microsoft.SqlServer.Types namespace contains classes used when working with the HierarchyID data type and the spatial data types, such as the geometry and geographic data types.
类
| 类 | 说明 | |
|---|---|---|
.gif "公共类") |
HierarchyIdException | The exception that is thrown for invalid SqlHierarchyId values. |
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SqlGeography | The SqlGeography type represents data in a geodetic (round earth) coordinate system. |
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SqlGeographyBuilder | Constructs instances of SqlGeography objects by using IGeographySink interface. |
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SqlGeometry | The SqlGeometry type represents data in a Euclidean (flat) coordinate system. |
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SqlGeometryBuilder | Constructs instances of SqlGeometry objects by using IGeometrySink interface. |
结构
| 结构 | 说明 | |
|---|---|---|
.gif "公共结构") |
SqlHierarchyId | The SqlHierarchyId type represents a position in a hierarchical structure, specifying depth and breadth. |
接口
| 接口 | 说明 | |
|---|---|---|
.gif "公共接口") |
IGeographySink | Interface used by SqlGeographyBuilder to construct a SqlGeography object. |
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IGeometrySink | Defines the interface that the SqlGeometryBuilder class uses to construct a SqlGeometryBuilderobject. |
枚举
| 枚举 | 说明 | |
|---|---|---|
.gif "公共枚举") |
OpenGisGeographyType | Lists Open GIS geography types. |
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OpenGisGeometryType | Lists Open GIS geometry types. |