ResultSetNode queryExpression;
Vector updateColumns = new Vector();
int forUpdateState = CursorNode.UNSPECIFIED;
int isolationLevel = ExecutionContext.UNSPECIFIED_ISOLATION_LEVEL;
CursorNode retval;
OrderByList orderCols = null;
queryExpression = queryExpression(null, NO_SET_OP);
switch (jj_nt.kind) {
case ORDER:
orderCols = orderByClause();
break;