BOOL Find( IN JET_TABLEID TableId, IN PWCHAR Name)
{
JET_ERR JetError;
JetError = JetMove( SesId, TableId, JET_MoveFirst, 0);
if ( JetError != JET_errSuccess) {
RplAssert( TRUE, ("JetMove failed err=%d", JetError));
return( FALSE);
}
JetError = JetMakeKey( SesId, TableId, Name,
( wcslen( Name) + 1) * sizeof(WCHAR), JET_bitNewKey);
if ( JetError != JET_errSuccess) {
RplAssert( TRUE, ("MakeKey failed err=%d", JetError));
return( FALSE);
}
JetError = JetSeek( SesId, TableId, JET_bitSeekEQ);
if ( JetError != JET_errSuccess) {
if ( JetError == JET_errRecordNotFound) {
//
// This is an expected error => no break for this.
//
RplDbgPrint(("JetSeek for %ws failed with error = %d.\n", Name, JetError));
} else {
RplAssert( TRUE, ("JetSeek failed err=%d", JetError));
}
return( FALSE);
}
return( TRUE);
}
BOOL ResumeKeyGet(
IN PRPL_SESSION pSession,
IN DWORD ResumeHandle,
OUT PVOID ResumeValue,
IN OUT PDWORD pResumeSize
)
{
DWORD DataSize;
#ifdef RPL_DEBUG_NEVER
if ( RG_DebugLevel == (DWORD)(-1)) {
ResumeList( pSession, "++ResumeKeyGet");
}
#endif // RPL_DEBUG_NEVER
CallB( JetSetCurrentIndex( pSession->SesId, pSession->ResumeTableId, RESUME_INDEX_ResumeHandle));
CallB( JetMakeKey( pSession->SesId, pSession->ResumeTableId, &ResumeHandle,
sizeof( ResumeHandle), JET_bitNewKey));
CallB( JetSeek( pSession->SesId, pSession->ResumeTableId, JET_bitSeekEQ));
CallB( JetRetrieveColumn( pSession->SesId, pSession->ResumeTableId,
ResumeTable[ RESUME_ResumeValue].ColumnId, ResumeValue,
*pResumeSize, &DataSize, 0, NULL));
if ( DataSize > *pResumeSize) {
RplDump( ++RG_Assert, ( "DataSize=%d", DataSize));
return( FALSE);
}
*pResumeSize = DataSize;
return( TRUE);
}
VOID ResumePrune(
IN PRPL_SESSION pSession,
IN DWORD ServerHandle
)
/*++
This function returns no errors, since failure to delete old resume handles
is not considered fatal (and there is very little we can do about this).
--*/
{
JET_ERR JetError;
#ifdef RPL_DEBUG
if ( RG_DebugLevel == (DWORD)(-1)) {
ResumeList( pSession, "++ResumePrune");
}
#endif // RPL_DEBUG
CallR( JetSetCurrentIndex( pSession->SesId, pSession->ResumeTableId, RESUME_INDEX_ServerHandle));
CallR( JetMakeKey( pSession->SesId, pSession->ResumeTableId, &ServerHandle,
sizeof( ServerHandle), JET_bitNewKey));
#ifdef NOT_YET
JetError = JetSeek( pSession->SesId, pSession->ResumeTableId, JET_bitSeekEQ);
#else
JetError = JetSeek( pSession->SesId, pSession->ResumeTableId, JET_bitSeekEQ | JET_bitSetIndexRange);
#endif
if ( JetError == JET_errSuccess) {
#ifdef NOT_YET
CallR( JetMakeKey( pSession->SesId, pSession->ResumeTableId, &ServerHandle,
sizeof( ServerHandle), JET_bitNewKey));
CallR( JetSetIndexRange( pSession->SesId, pSession->ResumeTableId,
JET_bitRangeInclusive | JET_bitRangeUpperLimit));
#endif
do {
Call( JetDelete( pSession->SesId, pSession->ResumeTableId));
JetError = JetMove( pSession->SesId, pSession->ResumeTableId, JET_MoveNext, 0);
} while ( JetError == JET_errSuccess);
}
#ifdef RPL_DEBUG
if ( RG_DebugLevel == (DWORD)(-1)) {
ResumeList( pSession, "--ResumePrune");
}
#endif // RPL_DEBUG
}
HRESULT Table::Seek(JET_GRBIT flags)
{
const JET_ERR jetErr = JetSeek(sesId_, tableId_, flags);
if (jetErr != JET_errSuccess)
{
SetLastErrorDesc(Error("JetSeek", jetErr, __FUNCTION__));
switch (jetErr)
{
case JET_errRecordNotFound:
return E_RECORD_NOT_FOUND;
case JET_wrnSeekNotEqual:
return E_SEEK_NOT_EQUAL;
}
return E_FAIL;
}
return S_OK;
}
