private void registerOutParameter(int parameterIndex) throws SQLException { try { checkClosed(); if (outParameters == null) { maxOutParameters = Math.min( getParameterMetaData().getParameterCount(), getCheckedMetaData().getColumnCount()); outParameters = new BitField(); } checkIndexBounds(parameterIndex); ParameterInterface param = command.getParameters().get(--parameterIndex); if (!param.isValueSet()) { param.setValue(ValueNull.INSTANCE, false); } outParameters.set(parameterIndex); } catch (Exception e) { throw logAndConvert(e); } }