ABAP Select data from SAP table IRACONTNWNDELVH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IRACONTNWNDELVH table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to IRACONTNWNDELVH. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the IRACONTNWNDELVH table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_IRACONTNWNDELVH TYPE STANDARD TABLE OF IRACONTNWNDELVH,
      WA_IRACONTNWNDELVH TYPE IRACONTNWNDELVH,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <IRACONTNWNDELVH> TYPE IRACONTNWNDELVH.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IRACONTNWNDELVH.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IRACONTNWNDELVH
  INTO TABLE IT_IRACONTNWNDELVH.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRACONTNWNDELVH
*  INTO TABLE @DATA(IT_IRACONTNWNDELVH2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_IRACONTNWNDELVH INDEX 1 INTO DATA(WA_IRACONTNWNDELVH2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IRACONTNWNDELVH ASSIGNING <IRACONTNWNDELVH>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRACONTNWNDELVH>-MANDT = 1.
<IRACONTNWNDELVH>-REVENUEACCOUNTINGCONTRACT = 1.
<IRACONTNWNDELVH>-ACCOUNTINGPRINCIPLE = 1.
<IRACONTNWNDELVH>-PERFORMANCEOBLIGATION = 1.
<IRACONTNWNDELVH>-PERFORMANCEOBLIGATIONCLASS = 1.

ENDLOOP.

LOOP AT IT_IRACONTNWNDELVH INTO WA_IRACONTNWNDELVH.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRACONTNWNDELVH-RAPERFORMANCEOBLIGATIONTYPE, sy-vline,
  WA_IRACONTNWNDELVH-REVNACCTGOPERATIONALDOCUMENT, sy-vline,
  WA_IRACONTNWNDELVH-CUSTOMER, sy-vline,
  WA_IRACONTNWNDELVH-BUSINESSPARTNER, sy-vline,
  WA_IRACONTNWNDELVH-REVNACCTGSALESORGANIZATION, sy-vline,
  WA_IRACONTNWNDELVH-PERFOBLGNFULFILLMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRACONTNWNDELVH you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_IRACONTNWNDELVH TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_IRACONTNWNDELVH INTO WA_IRACONTNWNDELVH.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field REVENUEACCOUNTINGCONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-REVENUEACCOUNTINGCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-REVENUEACCOUNTINGCONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERFORMANCEOBLIGATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-PERFORMANCEOBLIGATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-PERFORMANCEOBLIGATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVNACCTGOPERATIONALDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-REVNACCTGOPERATIONALDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-REVNACCTGOPERATIONALDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-PROFITCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IRACONTNWNDELVH-ORDERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IRACONTNWNDELVH-ORDERID.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IRACONTNWNDELVH_STR, 
MANDT TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
PERFORMANCEOBLIGATION TYPE STRING,
PERFORMANCEOBLIGATIONCLASS TYPE STRING,
RAPERFORMANCEOBLIGATIONTYPE TYPE STRING,
REVNACCTGOPERATIONALDOCUMENT TYPE STRING,
CUSTOMER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
REVNACCTGSALESORGANIZATION TYPE STRING,
PERFOBLGNFULFILLMENTTYPE TYPE STRING,
PERFOBLGNEVENTTYPE TYPE STRING,
RAPERFOBLGNDISTINCTTYPE TYPE STRING,
RAFULFILLMENTISVALUEBASED TYPE STRING,
PERFOBLGNISFINALLYINVOICED TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
PROFITCENTER TYPE STRING,
SEGMENT TYPE STRING,
COSTCENTER TYPE STRING,
ORDERID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
RAPERFOBLGNFINALIZATIONDATE TYPE STRING,
RAPERFOBLGNCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRACONTNWNDELVH_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_IRACONTNWNDELVH_STR-MANDT sy-vline 
WA_IRACONTNWNDELVH_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_IRACONTNWNDELVH_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_IRACONTNWNDELVH_STR-PERFORMANCEOBLIGATION sy-vline 
WA_IRACONTNWNDELVH_STR-PERFORMANCEOBLIGATIONCLASS sy-vline 
WA_IRACONTNWNDELVH_STR-RAPERFORMANCEOBLIGATIONTYPE sy-vline 
WA_IRACONTNWNDELVH_STR-REVNACCTGOPERATIONALDOCUMENT sy-vline 
WA_IRACONTNWNDELVH_STR-CUSTOMER sy-vline 
WA_IRACONTNWNDELVH_STR-BUSINESSPARTNER sy-vline 
WA_IRACONTNWNDELVH_STR-REVNACCTGSALESORGANIZATION sy-vline 
WA_IRACONTNWNDELVH_STR-PERFOBLGNFULFILLMENTTYPE sy-vline 
WA_IRACONTNWNDELVH_STR-PERFOBLGNEVENTTYPE sy-vline 
WA_IRACONTNWNDELVH_STR-RAPERFOBLGNDISTINCTTYPE sy-vline 
WA_IRACONTNWNDELVH_STR-RAFULFILLMENTISVALUEBASED sy-vline 
WA_IRACONTNWNDELVH_STR-PERFOBLGNISFINALLYINVOICED sy-vline 
WA_IRACONTNWNDELVH_STR-FUNCTIONALAREA sy-vline 
WA_IRACONTNWNDELVH_STR-BUSINESSAREA sy-vline 
WA_IRACONTNWNDELVH_STR-PROFITCENTER sy-vline 
WA_IRACONTNWNDELVH_STR-SEGMENT sy-vline 
WA_IRACONTNWNDELVH_STR-COSTCENTER sy-vline 
WA_IRACONTNWNDELVH_STR-ORDERID sy-vline 
WA_IRACONTNWNDELVH_STR-WBSELEMENTEXTERNALID sy-vline 
WA_IRACONTNWNDELVH_STR-PROFITABILITYSEGMENT sy-vline 
WA_IRACONTNWNDELVH_STR-RAPERFOBLGNFINALIZATIONDATE sy-vline 
WA_IRACONTNWNDELVH_STR-RAPERFOBLGNCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.