ABAP Select data from SAP table IVIEW_PROMO_DETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IVIEW_PROMO_DETAIL 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 IVIEW_PROMO_DETAIL. 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 IVIEW_PROMO_DETAIL 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_IVIEW_PROMO_DETAIL TYPE STANDARD TABLE OF IVIEW_PROMO_DETAIL,
      WA_IVIEW_PROMO_DETAIL TYPE IVIEW_PROMO_DETAIL,
      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: <IVIEW_PROMO_DETAIL> TYPE IVIEW_PROMO_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IVIEW_PROMO_DETAIL
*  INTO TABLE @DATA(IT_IVIEW_PROMO_DETAIL2).
*--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_IVIEW_PROMO_DETAIL INDEX 1 INTO DATA(WA_IVIEW_PROMO_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IVIEW_PROMO_DETAIL>-ITEM_NO = 1.
<IVIEW_PROMO_DETAIL>-MATERIAL = 1.
<IVIEW_PROMO_DETAIL>-MATL_DESC = 1.
<IVIEW_PROMO_DETAIL>-PLND_SALES_QTY = 1.
<IVIEW_PROMO_DETAIL>-REQUESTED_QTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IVIEW_PROMO_DETAIL-CURRENT_STOCK, sy-vline,
  WA_IVIEW_PROMO_DETAIL-SALES_UNIT, sy-vline,
  WA_IVIEW_PROMO_DETAIL-SALES_PRICE, sy-vline,
  WA_IVIEW_PROMO_DETAIL-STANDARD_SP, sy-vline,
  WA_IVIEW_PROMO_DETAIL-SALES_CURRENCY, sy-vline,
  WA_IVIEW_PROMO_DETAIL-LAST_PROMOTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IVIEW_PROMO_DETAIL 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_IVIEW_PROMO_DETAIL 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_IVIEW_PROMO_DETAIL INTO WA_IVIEW_PROMO_DETAIL.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IVIEW_PROMO_DETAIL-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IVIEW_PROMO_DETAIL-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SALES_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IVIEW_PROMO_DETAIL-SALES_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IVIEW_PROMO_DETAIL-SALES_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LAST_PROMOTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IVIEW_PROMO_DETAIL-LAST_PROMOTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IVIEW_PROMO_DETAIL-LAST_PROMOTION.
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_IVIEW_PROMO_DETAIL_STR, 
ITEM_NO TYPE STRING,
MATERIAL TYPE STRING,
MATL_DESC TYPE STRING,
PLND_SALES_QTY TYPE STRING,
REQUESTED_QTY TYPE STRING,
CURRENT_STOCK TYPE STRING,
SALES_UNIT TYPE STRING,
SALES_PRICE TYPE STRING,
STANDARD_SP TYPE STRING,
SALES_CURRENCY TYPE STRING,
LAST_PROMOTION TYPE STRING,
LAST_SALES_DATE TYPE STRING,
LINKS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IVIEW_PROMO_DETAIL_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_IVIEW_PROMO_DETAIL_STR-ITEM_NO sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-MATERIAL sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-MATL_DESC sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-PLND_SALES_QTY sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-REQUESTED_QTY sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-CURRENT_STOCK sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-SALES_UNIT sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-SALES_PRICE sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-STANDARD_SP sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-SALES_CURRENCY sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-LAST_PROMOTION sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-LAST_SALES_DATE sy-vline 
WA_IVIEW_PROMO_DETAIL_STR-LINKS sy-vline      INTO ld_text SEPARATED BY SPACE.

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