graphdb/src/main/java/com/orientechnologies/orient/graph/sql/OCommandExecutorSQLDeleteVertex.java
protected String parseReturn() throws OCommandSQLParsingException {
    final String returning = parserNextWord(true);

    if (!returning.equalsIgnoreCase("COUNT") && !returning.equalsIgnoreCase("BEFORE"))
      throwParsingException("Invalid " + KEYWORD_RETURN + " value set to '" + returning
          + "' but it should be COUNT (default), BEFORE. Example: " + KEYWORD_RETURN + " BEFORE");

    return returning;
  }
protected String parseReturn() throws OCommandSQLParsingException {
    final String returning = parserNextWord(true);

    if (!returning.equalsIgnoreCase("COUNT") && !returning.equalsIgnoreCase("BEFORE"))
      throwParsingException("Invalid " + KEYWORD_RETURN + " value set to '" + returning
          + "' but it should be COUNT (default), BEFORE. Example: " + KEYWORD_RETURN + " BEFORE");

    return returning;
  }
Parses the returning keyword if found.