private int ExecuteTableDirect(CommandBehavior behavior, out object executeResult)
{
this.commandBehavior = behavior;
executeResult = null;
OleDbHResult hr = OleDbHResult.S_OK;
StringMemHandle sptr = null;
bool mustReleaseStringHandle = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
sptr = new StringMemHandle(ExpandCommandText());
sptr.DangerousAddRef(ref mustReleaseStringHandle);
if (mustReleaseStringHandle)
{
tagDBID tableID = new tagDBID();
tableID.uGuid = Guid.Empty;
tableID.eKind = ODB.DBKIND_NAME;
tableID.ulPropid = sptr.DangerousGetHandle();
using (IOpenRowsetWrapper iopenRowset = _connection.IOpenRowset())
{
using (DBPropSet propSet = CommandPropertySets())
{
if (null != propSet)
{
bool mustRelease = false;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
propSet.DangerousAddRef(ref mustRelease);
hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, propSet.PropertySetCount, propSet.DangerousGetHandle(), out executeResult);
}
finally
{
if (mustRelease)
{
propSet.DangerousRelease();
}
}
if (OleDbHResult.DB_E_ERRORSOCCURRED == hr)
{
hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, 0, IntPtr.Zero, out executeResult);
}
}
else
{
hr = iopenRowset.Value.OpenRowset(ADP.PtrZero, tableID, ADP.PtrZero, ref ODB.IID_IRowset, 0, IntPtr.Zero, out executeResult);
}
}
}
}
}
finally
{
if (mustReleaseStringHandle)
{
sptr.DangerousRelease();
}
}
ProcessResults(hr);
_recordsAffected = ADP.RecordsUnaffected;
return(ODB.ExecutedIRowset);
}
