Search on the expanded child entity field wont work.

Hi ,

I am trying to implement search on SmartFilterBar or Master-detail control. In both places in my list or in my table, I have $expand in my oData and trying to fetch data from child entities.

e.g. RecruitingAppplication -> RecruitingContactNav -> type

Also, applicationId is a property directly in RecruitingAppplication which I can search on without error.

But I cannot search on Type (recruitingContactNav/type) or Requisition Name ( requisitionNav/requisitionName_defaultValue )

Please see below code sniffet.

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  var oSearch = new sap.m.SearchField({search:function(oEvent){

        var sQuery = oEvent.getParameter("query");

        var oBinding = mySmartTable.getTable().getBinding("items");

        if(sQuery){

          var oFilter1 = [new sap.ui.model.Filter("requisitionNav/requisitionName_defaultValue", "EQ", sQuery),

                          new sap.ui.model.Filter("recruitingContactNav/type", "EQ", sQuery),

                          new sap.ui.model.Filter("applicationId", "EQ", sQuery)

                         ];

          var allFilters = new sap.ui.model.Filter(oFilter1,false);

          oBinding.filter(allFilters);

        }

      }});

      mySmartFilterBar.setBasicSearch(oSearch);

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Is it even possible to search on child entity field ?

Please help ?