internal void EnsureBuffering(bool buffering)
{
#if EXPOSELOBBUFFERING
// Buffering not supported on BFiles yet.
if (OracleType.BFile == _lobType)
{
return;
}
// DEVNOTE: see MDAC #77834 - We cannot call several OCI calls when buffering is
// enabled, but we can turn it off and on as needed...
if (buffering != _isCurrentlyBuffered)
{
int rc;
if (_isCurrentlyBuffered)
{
Flush();
rc = TracedNativeMethods.OCILobDisableBuffering(ServiceContextHandle, ErrorHandle, Descriptor);
if (0 != rc)
{
Connection.CheckError(ErrorHandle, rc);
}
_isCurrentlyBuffered = false;
}
else if (OCI.CHARSETFORM.SQLCS_NCHAR != _charsetForm)
{
// TODO: need to get Oracle to give us a fix for the crash in OCILobRead when reading with csfrm=SQLCS_NCHAR
rc = TracedNativeMethods.OCILobEnableBuffering(ServiceContextHandle, ErrorHandle, Descriptor);
if (0 != rc)
{
Connection.CheckError(ErrorHandle, rc);
}
_isCurrentlyBuffered = true;
}
}
#endif //EXPOSELOBBUFFERING
}
