for ( RightTuple rightTuple = srcRightTuples.getDeleteFirst(); rightTuple != null; ) {
RightTuple next = rightTuple.getStagedNext();
rtm.remove( rightTuple );
if ( rightTuple.getFirstChild() != null ) {
LeftTuple childLeftTuple = rightTuple.getFirstChild();
while ( childLeftTuple != null ) {
childLeftTuple = deleteRightChild( childLeftTuple, trgLeftTuples, stagedLeftTuples );
}
}