       <li ng-repeat="exprInfo in $ctrl.sqlExprTypes" ng-if="$ctrl.getParam($parent.$index).must_be.indexOf(exprInfo.type) >= 0">
          <a href ng-click="$ctrl.changeArgType(arg, exprInfo)">
            <i class="crm-i fa-fw {{ exprInfo.icon }}"></i>
            {{ exprInfo.label }}
          </a>
        </li>
      </ul>
    </div>
    <input ng-if="arg.type === 'number'" class="form-control six" type="number" ng-model="arg.value" placeholder="{{ $ctrl.getParam($index).label }}" ng-change="$ctrl.write