ABAP Select data from SAP table WPM_S_BBY_FEH_SAVE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WPM_S_BBY_FEH_SAVE
*  INTO TABLE @DATA(IT_WPM_S_BBY_FEH_SAVE2).
*--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_WPM_S_BBY_FEH_SAVE INDEX 1 INTO DATA(WA_WPM_S_BBY_FEH_SAVE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WPM_S_BBY_FEH_SAVE>-HEADER = 1.
<WPM_S_BBY_FEH_SAVE>-BBYNR = 1.
<WPM_S_BBY_FEH_SAVE>-BPROF = 1.
<WPM_S_BBY_FEH_SAVE>-DATAB = 1.
<WPM_S_BBY_FEH_SAVE>-DATBI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WPM_S_BBY_FEH_SAVE-AKTNR, sy-vline,
  WA_WPM_S_BBY_FEH_SAVE-BBYTEXT, sy-vline,
  WA_WPM_S_BBY_FEH_SAVE-CRAPPL, sy-vline,
  WA_WPM_S_BBY_FEH_SAVE-CRDOCN, sy-vline,
  WA_WPM_S_BBY_FEH_SAVE-CRDATE, sy-vline,
  WA_WPM_S_BBY_FEH_SAVE-CRNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WPM_S_BBY_FEH_SAVE 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_WPM_S_BBY_FEH_SAVE 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_WPM_S_BBY_FEH_SAVE INTO WA_WPM_S_BBY_FEH_SAVE.


*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 AKTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WPM_S_BBY_FEH_SAVE-AKTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WPM_S_BBY_FEH_SAVE-AKTNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field OFFER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WPM_S_BBY_FEH_SAVE-OFFER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WPM_S_BBY_FEH_SAVE-OFFER_ID.
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_WPM_S_BBY_FEH_SAVE_STR, 
HEADER TYPE STRING,
BBYNR TYPE STRING,
BPROF TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
AKTNR TYPE STRING,
BBYTEXT TYPE STRING,
CRAPPL TYPE STRING,
CRDOCN TYPE STRING,
CRDATE TYPE STRING,
CRNAME TYPE STRING,
CHDATE TYPE STRING,
CHNAME TYPE STRING,
BUYCON TYPE STRING,
GETCON TYPE STRING,
ONLYONCE TYPE STRING,
REWSCOPE TYPE STRING,
STATUS TYPE STRING,
TYPE TYPE STRING,
BBYCURH TYPE STRING,
OFFER_ID TYPE STRING,
NEWMAIN TYPE STRING,
LIMITNR TYPE STRING,
BUY_PRQVAL_MIN TYPE STRING,
BUY_PRQCUR TYPE STRING,
GET_REWNR TYPE STRING,
ORGTYPE TYPE STRING,
KALKE TYPE STRING,
SYNCH_TO_PROMO TYPE STRING,
BUY TYPE STRING,
GET TYPE STRING,
REWARD TYPE STRING,
SCALES TYPE STRING,
MATGRP TYPE STRING,
ORGITEMS TYPE STRING,
ORGSITES TYPE STRING,
TEXTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WPM_S_BBY_FEH_SAVE_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_WPM_S_BBY_FEH_SAVE_STR-HEADER sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BBYNR sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BPROF sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-DATAB sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-DATBI sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-AKTNR sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BBYTEXT sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CRAPPL sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CRDOCN sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CRDATE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CRNAME sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CHDATE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-CHNAME sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BUYCON sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-GETCON sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-ONLYONCE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-REWSCOPE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-STATUS sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-TYPE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BBYCURH sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-OFFER_ID sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-NEWMAIN sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-LIMITNR sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BUY_PRQVAL_MIN sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BUY_PRQCUR sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-GET_REWNR sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-ORGTYPE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-KALKE sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-SYNCH_TO_PROMO sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-BUY sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-GET sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-REWARD sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-SCALES sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-MATGRP sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-ORGITEMS sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-ORGSITES sy-vline 
WA_WPM_S_BBY_FEH_SAVE_STR-TEXTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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