SharePoint REST search: Too many fields are returned of each result even though SelectProperties is set

Question

I would like to improve the performance of my app and noticed that if I use the SharePoint REST API, many properties are included in my search results that I do not need and did not request.

My request body looks like this - I am trying to limit the returned fields with the "selectProperties" option:

{  
    "request": {  
        "Querytext": "HFCustomer: DemoCustomer docid>1068007945298532582",  
        "SortList": [  
                {  
                    "Property": "docid",  
                    "Direction": 0  
                }  
            ],          
        "Properties": [  
  
        ],  
        "SelectProperties": [  
            "DocId",  
            "Title",  
            "Path",  
            "Author",  
            "Size",  
            "LastModifiedTime"                 
        ],  
        "RowLimit": 10,  
        "ClientType": "ContentSearchRegular",  
        "TrimDuplicates": true  
    }  
}  

But still each result includes the following segments that are not needed for my app:

{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "ResultTypeIdList",
"Value": "0",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "ResultTypeId",
"Value": "0",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "RenderTemplateId",
"Value": "~sitecollection/_catalogs/masterpage/Display Templates/Search/Item_Default.js",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "piSearchResultId",
"Value": "ARIAǂ36fbb1d6-41b5-3088-e44d-0ef0994f24b0ǂc0c4600e-e178-48f1-9902-f17e59e7670aǂ36fbb1d6-41b5-3088-e44d-0ef0994f24b0.1000.3ǂ",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "Rank",
"Value": "63752309979.3815",
"ValueType": "Edm.Double"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "GeoLocationSource",
"Value": "EUR",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "SiteId",
"Value": "cf4f80dc-68ed-46b6-b246-453c2089c03c",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "UniqueId",
"Value": "{674B8CAB-AC2D-4EE4-BB83-C37EAAF06C6B}",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "WebId",
"Value": "5b866fc8-edad-4d99-b3ad-bf1e58efde61",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "contentclass",
"Value": "STS_ListItem_DocumentLibrary",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "IsExternalContent",
"Value": "false",
"ValueType": "Edm.Boolean"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "ListId",
"Value": "8a69a0fc-de45-41e7-b679-1a49d461d4e0",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "PartitionId",
"Value": null,
"ValueType": "Null"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "UrlZone",
"Value": "0",
"ValueType": "Edm.Int64"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "Culture",
"Value": null,
"ValueType": "Null"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "DocumentSignature",
"Value": "-8973309957882017142;1499228324415174931;-855859975164701460;1416586343137351126;-4611572412426312091;1063957897948293849",
"ValueType": "Edm.String"
},
{
"__metadata": {
"type": "SP.KeyValue"
},
"Key": "CollapsingStatus",
"Value": "0",
"ValueType": "Edm.Int32"
}

Is there any way to exclude those from the search? If my results are 500 this is a big part of the whole response and I could improve my performance if SharePoint would not send this over.

Answer 1

Hi @davidelsner ,

According to my research and testing ,please try to change your request body as follows, and check if the issue exists, hope it can help you .

{  
  '__metadata': {  
    'type': 'Microsoft.Office.Server.Search.REST.SearchRequest'  
  },  
  'Querytext': 'xxxx',  
  'SelectProperties': {  
    'results': ['Title','Author']  
  }  
}  

For reference:
https://learn.microsoft.com/en-us/sharepoint/dev/general-development/sharepoint-search-rest-api-overview#sample-get-request-8

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Answer 2

Greetings, you have tried using:

"parameters/headers": {    "Accept": "application/json;odata=nometadata"  }