private boolean command(String query) throws SQLException, InterruptedException {
		if(!query.startsWith("+"))
			return false;
		query = query.substring(1);
		if (query.equalsIgnoreCase("cleanall")) { 
			new TableManager().cleanAllTmpTables(dbManager, allNodes);
			System.out.println("Cleaned all");
		} else if (query.equalsIgnoreCase("dbdebugon")) {
			AbstractDatabaseManager.DEBUG = true;
			System.out.println("DB DEBUG ON");
		} else if (query.equalsIgnoreCase("dbdebugoff")) {
			AbstractDatabaseManager.DEBUG = false;
			System.out.println("DB DEBUG OFF");
		} else if (query.equalsIgnoreCase("debugon")) {
			DEBUG = true;
			System.out.println("DEBUG ON");
		} else if (query.equalsIgnoreCase("debugoff")) {
			DEBUG = false;
			System.out.println("DEBUG OFF");
		}
		return true;
	}