WCHAR* wCmdString = OLESTR("SELECT StandardCost, ListPrice FROM Production.Product WHERE ListPrice > 14.00"); // Call a function to initialize and establish connection. if (InitializeAndEstablishConnection() == -1) { // Handle error. cout << "Failed to initialize a...
{ HRESULT hr = S_OK; // Create the RPC call ICommandText* pICommandText = NULL; ISSCommandWithParameters* pISSCommandWithParameters = NULL; IAccessor* pIAccessorCmd = NULL; HACCESSOR hAccessorCmd; DBBINDING bindingsCmd [2] = {0}; DBBINDSTATUS bindStatusCmd[2] = ...
ST_INVALID_SRID_VALUE、TABLE_VALUED_FUNCTION_REQUIRED_METADATA_INCOMPATIBLE_WITH_CALL、TABLE_VALUED_FUNCTION_REQUIRED_METADATA_INVALID、UNKNOWN_PRIMITIVE_TYPE_IN_VARIANT、VARIANT_CONSTRUCTOR_SIZE_LIMIT、VARIANT_DUPLICATE_KEY、VARIANT_SIZE_LIMIT、WKB_PARSE_ERROR、WKT_PARSE_ERROR、XML_WILDCARD_RESCUED_DATA_...
Function_Call The table-valued function is called as outlined here in the FROM clause of a SELECT expression. The function call will provide values to its parameters positionally, or the keyword DEFAULT to indicate that the default value of the argument (if defined) should be chosen....
执行CREATE FUNCTION 语句的用户对该函数引用的数据库对象具有 REFERENCES 权限。 RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT 指定标量值函数的 OnNULLCall 属性。如果未指定,则默认为 CALLED ON NULL INPUT。这意味着即使传递的参数为 NULL,也将执行函数体。 如果在 CLR 函数中指定了 RETURNS NULL ON ...
Creates a newSqlCommandobject that is a copy of the current instance. Applies to 产品版本(已过时) .NETCore 1.0, Core 1.1, 6 (package-provided)(8 (package-provided)) .NET Framework1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8...
column "xxx" must appear in the GROUP BY clause or be used in an aggregate function 重新检查SQL语法,聚合函数的字段需要包含在group by内。 ERRCODE_INVALID_TRANSACTION_STATE Usage Problem 非法的事务状态。涉及事务的相关操作非法。 比如CALL SET_TABLE_PROPERTY创建Distribution Key时和建表不在一个事务中...
The Asynchronous setting of SQLSETPROP( ) determines whether these functions execute synchronously or asynchronously. In asynchronous mode, you must call SQLEXEC( ) repeatedly until it returns a value other than 0 (still executing).ExampleExample 1...
报错:numeric field overflow in function round 问题原因:NUMERIC类型的字段超过了精度限制。 解决方法:处理脏数据。 ERRCODE_DATETIME_FIELD_OVERFLOW 报错:InsertOverwrite insert select table data failed : column a.unsign_type does not exist 问题原因:列不存在,或者参数填写错误。
窗口函数(window function),又称分析函数(analytic function),同时具有分组和排序的功能,不会减少原表行数,所以常用来组内排序。 注:通过partition by分组后的集合记录被称为“窗口”。 窗口函数主要分为以下两种,使用时将以下函数放在上图<窗口函数>的位置上即可: ...