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DataFlex / Creatio API / $filter parameter with length function (eq operator)

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Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Boolean iSuccess
    Variant vQueryParams
    Handle hoQueryParams
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sId
    String sCreatedOn
    String sCreatedById
    String sModifiedOn
    String sModifiedById
    Integer iProcessListeners
    String sContactId
    String sName
    String sOrgStructureUnitId
    String sNotes
    String sJobId
    String sFullJobTitle
    String sOwnerId
    String sCareerStartDate
    String sCareerDueDate
    String sProbationDueDate
    String sReasonForDismissalId
    String sAccountId
    String sManagerId
    String sOdata_context
    Integer i
    Integer iCount_i
    String sTemp1
    Boolean bTemp1

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    Get Create (RefClass(cComChilkatJsonObject)) To hoQueryParams
    If (Not(IsComObjectCreated(hoQueryParams))) Begin
        Send CreateComObject of hoQueryParams
    End
    Get ComUpdateString Of hoQueryParams "$filter" "length(Field2) eq Field2Value" To iSuccess

    Send ComSetRequestHeader To hoHttp "ForceUseSession" "true"
    Send ComSetRequestHeader To hoHttp "BPMCSRF" "{{BPMCSRF}}"

    Get pvComObject of hoQueryParams to vQueryParams
    Get ComQuickRequestParams Of hoHttp "GET" "https://myserver.com/0/odata/Collection1" vQueryParams To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess

    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Send Destroy of hoResp
        Procedure_Return
    End

    Send Destroy of hoResp

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "@odata.context": "https://myserver.com/0/odata/$metadata#Employee",
    //   "value": [
    //     {
    //       "Id": "c31c7862-fe33-4a13-9bbc-0943fa08fd02",
    //       "CreatedOn": "2017-03-30T14:50:04Z",
    //       "CreatedById": "76929f8c-7e15-4c64-bdb0-adc62d383727",
    //       "ModifiedOn": "2020-02-14T06:30:46.234Z",
    //       "ModifiedById": "410006e1-ca4e-4502-a9ec-e54d922d2c00",
    //       "ProcessListeners": 0,
    //       "ContactId": "227aab3b-7c0c-4181-abf9-81585563ab23",
    //       "Name": "William Walker",
    //       "OrgStructureUnitId": "d436a9ce-9690-4415-9e03-e8061d7cabb5",
    //       "Notes": "",
    //       "JobId": "11d68189-ced6-df11-9b2a-001d60e938c6",
    //       "FullJobTitle": "Developer",
    //       "OwnerId": "76929f8c-7e15-4c64-bdb0-adc62d383727",
    //       "CareerStartDate": "2019-09-08T00:00:00Z",
    //       "CareerDueDate": "0001-01-01T00:00:00Z",
    //       "ProbationDueDate": "2020-01-09T00:00:00Z",
    //       "ReasonForDismissalId": "00000000-0000-0000-0000-000000000000",
    //       "AccountId": "a0bf3e92-f36b-1410-0499-00155d043204",
    //       "ManagerId": "3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb"
    //     },
    //     {
    //       "Id": "ddb34ecb-f009-484a-ad2b-0a49a475bdb2",
    //       "CreatedOn": "2017-03-30T14:54:20Z",
    //       "CreatedById": "76929f8c-7e15-4c64-bdb0-adc62d383727",
    //       "ModifiedOn": "2017-03-31T07:49:14Z",
    //       "ModifiedById": "76929f8c-7e15-4c64-bdb0-adc62d383727",
    //       "ProcessListeners": 0,
    //       "ContactId": "3822fb63-0e78-416f-a06b-3d18bd5e0448",
    //       "Name": "Timothy Sawyer",
    //       "OrgStructureUnitId": "d436a9ce-9690-4415-9e03-e8061d7cabb5",
    //       "Notes": "",
    //       "JobId": "11d68189-ced6-df11-9b2a-001d60e938c6",
    //       "FullJobTitle": "Developer",
    //       "OwnerId": "76929f8c-7e15-4c64-bdb0-adc62d383727",
    //       "CareerStartDate": "2016-12-04T00:00:00Z",
    //       "CareerDueDate": "2019-10-08T00:00:00Z",
    //       "ProbationDueDate": "0001-01-01T00:00:00Z",
    //       "ReasonForDismissalId": "f83b228a-f36b-1410-b783-00155d04320c",
    //       "AccountId": "e308b781-3c5b-4ecb-89ef-5c1ed4da488e",
    //       "ManagerId": "3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...
    // Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

    Get ComStringOf Of hoJResp '"@odata.context"' To sOdata_context
    Move 0 To i
    Get ComSizeOfArray Of hoJResp "value" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJResp To i
        Get ComStringOf Of hoJResp "value[i].Id" To sId
        Get ComStringOf Of hoJResp "value[i].CreatedOn" To sCreatedOn
        Get ComStringOf Of hoJResp "value[i].CreatedById" To sCreatedById
        Get ComStringOf Of hoJResp "value[i].ModifiedOn" To sModifiedOn
        Get ComStringOf Of hoJResp "value[i].ModifiedById" To sModifiedById
        Get ComIntOf Of hoJResp "value[i].ProcessListeners" To iProcessListeners
        Get ComStringOf Of hoJResp "value[i].ContactId" To sContactId
        Get ComStringOf Of hoJResp "value[i].Name" To sName
        Get ComStringOf Of hoJResp "value[i].OrgStructureUnitId" To sOrgStructureUnitId
        Get ComStringOf Of hoJResp "value[i].Notes" To sNotes
        Get ComStringOf Of hoJResp "value[i].JobId" To sJobId
        Get ComStringOf Of hoJResp "value[i].FullJobTitle" To sFullJobTitle
        Get ComStringOf Of hoJResp "value[i].OwnerId" To sOwnerId
        Get ComStringOf Of hoJResp "value[i].CareerStartDate" To sCareerStartDate
        Get ComStringOf Of hoJResp "value[i].CareerDueDate" To sCareerDueDate
        Get ComStringOf Of hoJResp "value[i].ProbationDueDate" To sProbationDueDate
        Get ComStringOf Of hoJResp "value[i].ReasonForDismissalId" To sReasonForDismissalId
        Get ComStringOf Of hoJResp "value[i].AccountId" To sAccountId
        Get ComStringOf Of hoJResp "value[i].ManagerId" To sManagerId
        Move (i + 1) To i
    Loop



End_Procedure

Curl Command

curl -G -d "$filter=length%28Field2%29%20eq%20Field2Value"
	-H "ForceUseSession: true"
	-H "BPMCSRF: {{BPMCSRF}}"
https://myserver.com/0/odata/Collection1

Postman Collection Item JSON

{
  "name": "$filter parameter with length function (eq operator)",
  "protocolProfileBehavior": {
    "disableBodyPruning": true
  },
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "ForceUseSession",
        "type": "text",
        "value": "true"
      },
      {
        "key": "BPMCSRF",
        "type": "text",
        "value": "{{BPMCSRF}}"
      }
    ],
    "body": {
      "mode": "raw",
      "raw": ""
    },
    "url": {
      "raw": "{{BaseURI}}/0/odata/{{CollectionName1}}?$filter=length({{FieldName2}}) eq {{FieldName2Value4}}",
      "host": [
        "{{BaseURI}}"
      ],
      "path": [
        "0",
        "odata",
        "{{CollectionName1}}"
      ],
      "query": [
        {
          "key": "$filter",
          "value": "length({{FieldName2}}) eq {{FieldName2Value4}}"
        }
      ]
    },
    "description": "Request for getting filtered object collection instances via the [$filter](http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_SystemQueryOptionfilter) parameter and the [length](http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_length) function with the eq operator."
  },
  "response": [
    {
      "name": "[200] Gets object collection instances; filter with the “eq” operator (length equals a set value)",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "key": "Accept",
            "type": "text",
            "value": "application/json"
          },
          {
            "key": "Content-Type",
            "type": "text",
            "value": "application/json; charset=utf-8"
          },
          {
            "key": "ForceUseSession",
            "type": "text",
            "value": "true"
          },
          {
            "key": "BPMCSRF",
            "type": "text",
            "value": "{{BPMCSRF}}"
          }
        ],
        "url": {
          "raw": "https://myserver.com/0/odata/Employee?$filter=length(FullJobTitle) eq 9",
          "protocol": "https",
          "host": [
            "myserver",
            "com"
          ],
          "path": [
            "0",
            "odata",
            "Employee"
          ],
          "query": [
            {
              "key": "$filter",
              "value": "length(FullJobTitle) eq 9"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Cache-Control",
          "value": "no-cache"
        },
        {
          "key": "Pragma",
          "value": "no-cache"
        },
        {
          "key": "Content-Type",
          "value": "application/json; odata.metadata=minimal"
        },
        {
          "key": "Expires",
          "value": "-1"
        },
        {
          "key": "Server",
          "value": "Microsoft-IIS/10.0"
        },
        {
          "key": "OData-Version",
          "value": "4.0"
        },
        {
          "key": "X-AspNet-Version",
          "value": "4.0.30319"
        },
        {
          "key": "X-Powered-By",
          "value": "ASP.NET"
        },
        {
          "key": "X-Frame-Options",
          "value": "SAMEORIGIN"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "Date",
          "value": "Wed, 26 Feb 2020 14:53:30 GMT"
        },
        {
          "key": "Content-Length",
          "value": "1681"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"@odata.context\": \"https://myserver.com/0/odata/$metadata#Employee\",\n    \"value\": [\n        {\n            \"Id\": \"c31c7862-fe33-4a13-9bbc-0943fa08fd02\",\n            \"CreatedOn\": \"2017-03-30T14:50:04Z\",\n            \"CreatedById\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"ModifiedOn\": \"2020-02-14T06:30:46.234Z\",\n            \"ModifiedById\": \"410006e1-ca4e-4502-a9ec-e54d922d2c00\",\n            \"ProcessListeners\": 0,\n            \"ContactId\": \"227aab3b-7c0c-4181-abf9-81585563ab23\",\n            \"Name\": \"William Walker\",\n            \"OrgStructureUnitId\": \"d436a9ce-9690-4415-9e03-e8061d7cabb5\",\n            \"Notes\": \"\",\n            \"JobId\": \"11d68189-ced6-df11-9b2a-001d60e938c6\",\n            \"FullJobTitle\": \"Developer\",\n            \"OwnerId\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"CareerStartDate\": \"2019-09-08T00:00:00Z\",\n            \"CareerDueDate\": \"0001-01-01T00:00:00Z\",\n            \"ProbationDueDate\": \"2020-01-09T00:00:00Z\",\n            \"ReasonForDismissalId\": \"00000000-0000-0000-0000-000000000000\",\n            \"AccountId\": \"a0bf3e92-f36b-1410-0499-00155d043204\",\n            \"ManagerId\": \"3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb\"\n        },\n        {\n            \"Id\": \"ddb34ecb-f009-484a-ad2b-0a49a475bdb2\",\n            \"CreatedOn\": \"2017-03-30T14:54:20Z\",\n            \"CreatedById\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"ModifiedOn\": \"2017-03-31T07:49:14Z\",\n            \"ModifiedById\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"ProcessListeners\": 0,\n            \"ContactId\": \"3822fb63-0e78-416f-a06b-3d18bd5e0448\",\n            \"Name\": \"Timothy Sawyer\",\n            \"OrgStructureUnitId\": \"d436a9ce-9690-4415-9e03-e8061d7cabb5\",\n            \"Notes\": \"\",\n            \"JobId\": \"11d68189-ced6-df11-9b2a-001d60e938c6\",\n            \"FullJobTitle\": \"Developer\",\n            \"OwnerId\": \"76929f8c-7e15-4c64-bdb0-adc62d383727\",\n            \"CareerStartDate\": \"2016-12-04T00:00:00Z\",\n            \"CareerDueDate\": \"2019-10-08T00:00:00Z\",\n            \"ProbationDueDate\": \"0001-01-01T00:00:00Z\",\n            \"ReasonForDismissalId\": \"f83b228a-f36b-1410-b783-00155d04320c\",\n            \"AccountId\": \"e308b781-3c5b-4ecb-89ef-5c1ed4da488e\",\n            \"ManagerId\": \"3e5bd47e-1ebd-41db-a9a6-a3560dcee3cb\"\n        }\n    ]\n}"
    }
  ]
}