SQL Server 傳回類型:geometry CLR 傳回類型:SqlGeometry 備註 就集合類型而言,此演算法會在執行個體所含的每個 geometry 上獨立運作。 此演算法不會修改 Point 執行個體。 在LineString、CircularString 和CompoundCurve 執行個體上,近似值演算法會保留執行個體的原始起點和終點。 此演算法接著會將原始執行個體中最偏...
.InstanceOf (geometry_type ) 引數 geometry_type nvarchar(4000)字串,它會指定在geometry類型階層內公開的 15 種類型其中之一。 傳回型別 SQL Server 傳回類型:bit CLR 傳回類型:SqlBoolean 備註 此方法的輸入必須是下列其中一種類型:Geometry、Point、Curve、LineString、CircularString、CompoundCurve、Surface、Poly...
這是int運算式,代表要傳回之geometryPoint執行個體的空間參考識別碼 (SRID)。 傳回型別 SQL Server 傳回類型:geometry CLR 傳回類型:SqlGeometry OGC 類型:Point 備註 如果輸入的格式不正確,這個方法將會擲回FormatException。 範例 下列範例會使用STPointFromText()建立geometry例項。
SQL Server 傳回類型:geometryCLR 傳回類型:SqlGeometry備註STGeomFromText() 所傳回之 geometry 執行個體的 OGC 類型會設定為對應的 WKT 輸入。如果輸入的格式不正確,這個方法將會擲回 FormatException。範例下列範例會使用 STGeomFromText() 建立geometry 例項。
SQL 错误 [1101] [42000]: BLOB, TEXT, GEOMETRY or JSON column 'xxx' can't have a default value 1. 异常信息 org.jkiss.dbeaver.model.sql.DBSQLException: SQL 错误 [1101] [42000]: BLOB, TEXT, GEOMETRY or JSON column 'other_config' can't have a default value ...
BUG-000150273 - ST_Geometry functions applied to the Shape field in Select By Attributes return the error message, "Error 000358: Invalid expression" if the feature class is registered as traditional versioned. BUG-000155819 - Attribute table of joined layer in Mobile Geodatabase does not...
Be aware that in Transact-SQL, NULL is not an empty or "nothing" value. It is a placeholder for an unknown value and can cause unexpected behavior, especially when querying for result sets or using AGGREGATE functions. Use the UNION ALL operator instead of the UNION or OR operat...
3 GEOS .geometry library. 4 LibXML2. LibXML2 is currently used in some imports functions 5 JSON-C. JSON-C is currently used to import GeoJSON via the function ST_GeomFromGeoJson. 6 GDAL. 以上所需组件最好下载源码安装。 二: 环境信息 ...
New and Enhanced Functions To support the new date and time data types, SQL Server 2008 introduces new functions and enhances existing functions. The new functions are SYSDATETIME, SYSUTCDATETIME, SYSDATETIMEOFFSET, SWITCHOFFSET, and TODATETIMEOFFSET. ...
The more complex SQL (like reporting queries and complex joins) queries are better written as SQL. Use yesql/jeesql/hugsql or the like. This library intends to provide the most common case of CRUD queries and defer to SQL on the more difficult ones. Specql can use VIEWs in the data...