OLE DB Bind()在插入行时调用断言
问题描述:
我试图使用Ole DB将数据插入到MS SQL Server 2008中。我的插入程序是:OLE DB Bind()在插入行时调用断言
ALTER PROCEDURE [dbo].[table_insert]
@category as bigint
AS
BEGIN
INSERT INTO dbo.table
(category)
VALUES(@category)
SELECT SCOPE_IDENTITY() as id;
END
当我调用过程时,它正确执行。插入新行。我使用存取,以获得新的行ID:
class DCCRetValueAccessor
{
public:
__int64 id;
BEGIN_COLUMN_MAP(DCCRetValueAccessor)
COLUMN_ENTRY(1, id)
END_COLUMN_MAP()
void ClearRecord()
{
memset(this, 0, sizeof(*this));
}
};
要执行的程序,并获得新的行ID我用这个代码:
CString cmd;
__int64 newID = -1;
cmd.Format(_T("EXEC [dbo].[alert_settings_insert] @category=%I64d"), value->category);
CCommand<CAccessor<DCCRetValueAccessor>> command;
if(DC_SUCCEEDED(command.Open(m_session, cmd)))
{
if(command.MoveFirst() == S_OK)
{
newID = command.id;
}
else
return -1;
}
else
{
LogError();
return -1;
}
return newID;
问题是,我得到断言方法绑定错误()在调用GetInterface()在atldbcli.h,行:6108,表达式:GetInterface()!= 0.
我看不到错误。你能帮我吗? 谢谢
答
解决的办法是加SET NOCOUNT ON;到这样的程序:
ALTER PROCEDURE [dbo].[table_insert]
@category as bigint
AS
BEGIN
INSERT INTO dbo.table
(category)
VALUES(@category)
SELECT SCOPE_IDENTITY() as id;
END