2015-12-21 59 views
1

在SQL Server 2008 R2中,我们有一个数据类型为geography的字段的表。当SQL Server Geography STGeomFromWKB错误 - System.FormatException:24201

SELECT rowid,GeoCoor, 
GeoCoor.STSrid as SRID, 
GeoCoor.Lat as Lat, 
GeoCoor.Long as Long 
FROM dbo.Locations 

质疑我们得到行是这样的:

╔═══════╦════════════════════════════════════════════════╦══════╦══════════════════╦═══════════════════╗ 
║ rowid ║     GeoCoor      ║ SRID ║  Lat  ║  Long  ║ 
╠═══════╬════════════════════════════════════════════════╬══════╬══════════════════╬═══════════════════╣ 
║ 1092 ║ 0xE6100000010C82C540E751804240BA86EFD400B45BC0 ║ 4326 ║ 37.0024994913356 ║ -110.812550767815 ║ 
╚═══════╩════════════════════════════════════════════════╩══════╩══════════════════╩═══════════════════╝ 

我们所有的数据都点,而不是线或多边形,和我们使用SRID 4326

我想使用存储在表中的另一个地理点的二进制值更新记录的GeoCoor字段。这里是我的代码:

DECLARE @coor1 geography 
SET @coor1 = geography::STGeomFromWKB(0xE6100000010C82C540E751804240BA86EFD400B45BC0,4326) 

UPDATE dbo.Locations 
SET GeoCoor = @coor1 
WHERE RowID = 2657 

然而,SET @coor1 =语句在SQL Server Management Studio中触发一个错误:

A .NET Framework error occurred during execution of user-defined routine or aggregate "geography": 
System.FormatException: 24201: Latitude values must be between -90 and 90 degrees. 
System.FormatException: 
    at Microsoft.SqlServer.Types.GeographyValidator.ValidatePoint(Double x, Double y, Nullable`1 z, Nullable`1 m) 
    at Microsoft.SqlServer.Types.Validator.BeginFigure(Double x, Double y, Nullable`1 z, Nullable`1 m) 
    at Microsoft.SqlServer.Types.ForwardingGeoDataSink.BeginFigure(Double x, Double y, Nullable`1 z, Nullable`1 m) 
    at Microsoft.SqlServer.Types.CoordinateReversingGeoDataSink.BeginFigure(Double x, Double y, Nullable`1 z, Nullable`1 m) 
    at Microsoft.SqlServer.Types.OpenGisWkbReader.ReadFirstPoint(ByteOrder byteOrder) 
    at Microsoft.SqlServer.Types.OpenGisWkbReader.ParseWkbPointWithoutHeader(ByteOrder byteOrder) 
    at Microsoft.SqlServer.Types.OpenGisWkbReader.Read(OpenGisType type, Int32 srid) 
    at Microsoft.SqlServer.Types.SqlGeography.GeographyFromBinary(OpenGisType type, SqlBytes binary, Int32 srid) 

根据初步查询结果,你可以清楚地看到,37.002499纬度。 ..确实在-90和90之间。它的经度不在-90和90之间。

我相信这是一个.NET错误,在geography::STGeomFromWKB方法中,错误地将Lat和Long转置为WKB数据(或者也许是t他.Lat.Long方法是错误?!)。我的问题是:

  • 任何人都可以告诉我,如果我忽略了某些东西,还是应该继续并将其提交给Microsoft Connect
  • 有人可以在SQL Server(2016)的更高版本中重现此错误吗?或者它已被修复?

回答

1

在仔细阅读了其他网站之后,我认为要颠倒我的纬度/长度的顺序。这似乎工作。

SELECT Geography::Point(Latitude,Longitude, 4326) as c 
FROM na.MyTable 
where Latitude Is Not Null 

这产生空间数据我要找(当然别的东西坏了):)

+0

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