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This article demonstrates how to prepare an OData service Service in SAP and use it as a Data Source in Excel.

Procedure

In this example, we will be using create an OData Service based on an existing application as a reference for the OData Service.

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Step 1

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called IQX_IM_CER.

Step 1

In the backend system, create a Structure in transaction SE11 based on the fields that you would like to display from the application’s Data Model.

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Step 2

In the backend system, create a Project in transaction SEGW.

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Step 2Create a Structure in transaction SE11 based on the 3

Create an Entity Type by right-clicking on Entity Types > Create

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Step 4

Define the ABAP Structure Type Name of the Entity Set using the structure created in Step 1.

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Step 5

Import the fields from the structure by right-clicking on the name of the Entity Type > Import > Properties

In the Wizard, select all the fields that you would like to display from the Data Modelto import and define the Key.

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Step 6

Click the button Generate Runtime Objects to generate the Implementation Class.

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Take note the names of the Data Provider Extension Class, Method Name for the GetEntitySet (Query), and the Registered Service.

Step 7

Redefine the Method in transaction SE24 or SE80.

Sample code:

Code Block

  METHOD requestset_get_entityset.

    DATA:
      lv_formname     TYPE /iqx/form_name,
      lv_where        TYPE string,
      lt_inst         TYPE STANDARD TABLE OF /iqx/formhd_inst,
      ls_inst         LIKE LINE OF lt_inst,
      lt_data         TYPE /iqx/forms_instance_data_tt,
      lt_related_data TYPE /iqx/forms_related_data_tt,
      ls_data         TYPE zcl_iqx_im_cer=>t_data,
      lo_data         TYPE REF TO data,
      lr_data         TYPE REF TO zcl_iqx_im_cer=>t_data,
      lo_assist       TYPE REF TO /iqx/cl_forms_assist.

    FIELD-SYMBOLS <ls_data> TYPE any.

    lv_formname = 'IQX_IM_CER'.


    SELECT * FROM /iqx/formhd_inst INTO TABLE lt_inst WHERE zform_name = lv_formname AND deleted = space.


    LOOP AT lt_inst INTO ls_inst.
      CLEAR: lo_assist, ls_data.

      CREATE OBJECT lo_assist.

      CALL METHOD lo_assist->read_form_data
        EXPORTING
          iv_form_name     = lv_formname
          iv_instance      = ls_inst-zinstance
        IMPORTING
          er_data          = lo_data
        EXCEPTIONS
          no_authorization = 1
          no_instance_data = 2
          OTHERS           = 3.

      CHECK sy-subrc = 0.
      ASSIGN lo_data->* TO <ls_data>.
      MOVE-CORRESPONDING <ls_data> TO ls_data .

      APPEND INITIAL LINE TO et_entityset ASSIGNING FIELD-SYMBOL(<ls_entity>).
      <ls_entity>-req_id          = ls_data-zdocumentnumber.

      <ls_entity>-current_status          = ls_data-currentstatus.
      <ls_entity>-proj_name               = ls_data-summary-projectname.
      <ls_entity>-grand_total             = ls_data-header-grandtotal.
      <ls_entity>-company_code_currency   = ls_data-summary-companycodecurrency.
      <ls_entity>-inv_reason              = ls_data-summary-investmentreason.
      <ls_entity>-inv_reason_desc         = ls_data-summary-investmentreasondescription.
      <ls_entity>-asset_cat               = ls_data-summary-assetcategory.
      <ls_entity>-asset_cat_desc          = ls_data-summary-assetcategorydescription.
      <ls_entity>-fund_cat_desc           = ls_data-summary-fundingcategorydescription.
      <ls_entity>-total_budget_used       = ls_data-summary-totalbudgetused.
      <ls_entity>-expected_start          = ls_data-summary-expectedstart.
      <ls_entity>-expected_capitalization = ls_data-summary-expectedcapitalization.
      <ls_entity>-fiscal_year             = ls_data-summary-fiscalyear.

    ENDLOOP.

    SORT et_entityset BY expected_start DESCENDING.

  ENDMETHOD.

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