ABAP Select data from SAP table MDG_BS_SUPPL_BP_PORG_X_OLD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDG_BS_SUPPL_BP_PORG_X_OLD
*  INTO TABLE @DATA(IT_MDG_BS_SUPPL_BP_PORG_X_OLD2).
*--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_MDG_BS_SUPPL_BP_PORG_X_OLD INDEX 1 INTO DATA(WA_MDG_BS_SUPPL_BP_PORG_X_OLD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDG_BS_SUPPL_BP_PORG_X_OLD>-AGREL = 1.
<MDG_BS_SUPPL_BP_PORG_X_OLD>-BLIND = 1.
<MDG_BS_SUPPL_BP_PORG_X_OLD>-BOIND = 1.
<MDG_BS_SUPPL_BP_PORG_X_OLD>-BOLRE = 1.
<MDG_BS_SUPPL_BP_PORG_X_OLD>-BOPNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDG_BS_SUPPL_BP_PORG_X_OLD-BSTAE, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG_X_OLD-EIKTO_M, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG_X_OLD-EKGRP, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG_X_OLD-INCO1, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG_X_OLD-INCO2, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG_X_OLD-KALSK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDG_BS_SUPPL_BP_PORG_X_OLD 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_MDG_BS_SUPPL_BP_PORG_X_OLD 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_MDG_BS_SUPPL_BP_PORG_X_OLD INTO WA_MDG_BS_SUPPL_BP_PORG_X_OLD.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_MDG_BS_SUPPL_BP_PORG_X_OLD_STR, 
AGREL TYPE STRING,
BLIND TYPE STRING,
BOIND TYPE STRING,
BOLRE TYPE STRING,
BOPNR TYPE STRING,
BSTAE TYPE STRING,
EIKTO_M TYPE STRING,
EKGRP TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
KALSK TYPE STRING,
KZABS TYPE STRING,
KZAUT TYPE STRING,
LEBRE TYPE STRING,
LFABC TYPE STRING,
LIBES TYPE STRING,
LIPRE TYPE STRING,
LISER TYPE STRING,
LOEVM_M TYPE STRING,
MEPRF TYPE STRING,
MINBW TYPE STRING,
NRGEW TYPE STRING,
PAPRF TYPE STRING,
PLIFZ TYPE STRING,
PRFRE TYPE STRING,
SKRIT TYPE STRING,
SPERM_P TYPE STRING,
UMSAE TYPE STRING,
VENSL TYPE STRING,
VERKF TYPE STRING,
VSBED TYPE STRING,
WAERS TYPE STRING,
WEBRE TYPE STRING,
XERSR TYPE STRING,
XERSY TYPE STRING,
XNBWY TYPE STRING,
ZTERM_M TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDG_BS_SUPPL_BP_PORG_X_OLD_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_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-AGREL sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-BLIND sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-BOIND sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-BOLRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-BOPNR sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-BSTAE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-EIKTO_M sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-EKGRP sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-INCO1 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-INCO2 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-KALSK sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-KZABS sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-KZAUT sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LEBRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LFABC sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LIBES sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LIPRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LISER sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-LOEVM_M sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-MEPRF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-MINBW sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-NRGEW sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-PAPRF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-PLIFZ sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-PRFRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-SKRIT sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-SPERM_P sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-UMSAE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-VENSL sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-VERKF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-VSBED sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-WAERS sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-WEBRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-XERSR sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-XERSY sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-XNBWY sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_X_OLD_STR-ZTERM_M sy-vline      INTO ld_text SEPARATED BY SPACE.

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