docs: public void setNull(String parameterName, int sqlType) throws SQLException {
  		checkClosed();
  		try {
  			this.internalCallableStatement.setNull(parameterName, sqlType);
  			if (this.logStatementsEnabled){
  				this.logParams.put(parameterName, PoolUtil.safePrint("[SQL NULL type ", sqlType, "]"));
  			}
  		} catch (SQLException e) {
  			throw this.connectionHandle.markPossiblyBroken(e);
  			
  		}
  	}