Method rename

basex-core/src/main/java/org/basex/query/QueryParser.java:4306–4318

Parses the "RenameExpr" rule. @return query expression or null @throws QueryException query exception

()

   * @throws QueryException query exception
   */
  private Expr rename() throws QueryException {
    final int p = pos;
    if(!wsConsumeWs(RENAME) || !wsConsumeWs(NODE) && !wsConsumeWs(NODES)) {
      pos = p;
      return null;
    }

    final Expr trg = check(single(), INCOMPLETE);
    wsCheck(AS);
    final Expr n = check(single(), INCOMPLETE);
    qc.updating();
    return new Rename(info(), trg, n);
  }

  /**
   * Parses the "ReplaceExpr" rule.