LeftTuple leftTuple = ( (UnificationNodeViewChangedEventListener) query.getQueryResultCollector() ).getLeftTuple();
while (stream.readShort() == PersisterEnums.LEFT_TUPLE) {
LeftTupleSink childSink = (LeftTupleSink) sinks.get( stream.readInt() );
// @TODO check if open query!!!
LeftTuple childLeftTuple = childSink.createLeftTuple( leftTuple,
rightTuple,
childSink );
readLeftTuple( childLeftTuple,
context );
}