MDAC 2.5 SDK - OLE DB Programmer's Reference
OLE DB Interfaces
Returns information regarding a transaction.
HRESULT GetTransactionInfo(
XACTTRANSINFO * pInfo);
Parameters
pInfo
[out]
A pointer to the caller-allocated XACTTRANSINFO structure in which the method returns information about the transaction. pInfo must not be a null pointer.
typedef struct XACTTRANSINFO {
XACTUOW uow;
ISOLEVEL isoLevel;
ULONG isoFlags;
DWORD grfTCSupported;
DWORD grfRMSupported;
DWORD grfTCSupportedRetaining;
DWORD grfRMSupportedRetaining;
} XACTTRANSINFO;
The elements of this structure are used as described in the following table.
| Element | Description |
| uow | The unit of work associated with this transaction. Cannot be NULL and must be unique per transaction. |
| isoLevel | The isolation level associated with this transaction. ISOLATIONLEVEL_UNSPECIFIED indicates that no isolation level was specified. For more information, see ITransactionLocal::StartTransaction. |
| isoFlags | Will be zero. |
| grfTCSupported | This bitmask indicates the XACTTC flags that this transaction implementation supports. |
| grfRMSupported | Will be zero. |
| grfTCSupportedRetaining | Will be zero. |
| grfRMSupportedRetaining | Will be zero. |
Return Code
S_OK
The method succeeded.
E_FAIL
A provider-specific error occurred.
E_INVALIDARG
pInfo was a null pointer.
E_UNEXPECTED
An unknown error occurred. No information is returned.
XACT_E_NOTRANSACTION
Unable to retrieve information for the transaction because it was already completed. No information is returned.