ABAP Select data from SAP table MDG_BS_SUPPL_BP_PORG 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 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. 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 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 TYPE STANDARD TABLE OF MDG_BS_SUPPL_BP_PORG,
      WA_MDG_BS_SUPPL_BP_PORG TYPE MDG_BS_SUPPL_BP_PORG,
      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> TYPE MDG_BS_SUPPL_BP_PORG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDG_BS_SUPPL_BP_PORG
*  INTO TABLE @DATA(IT_MDG_BS_SUPPL_BP_PORG2).
*--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 INDEX 1 INTO DATA(WA_MDG_BS_SUPPL_BP_PORG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDG_BS_SUPPL_BP_PORG>-ASSGNM_ID = 1.
<MDG_BS_SUPPL_BP_PORG>-BP_HEADER = 1.
<MDG_BS_SUPPL_BP_PORG>-PRCH_ORG = 1.
<MDG_BS_SUPPL_BP_PORG>-AGREL = 1.
<MDG_BS_SUPPL_BP_PORG>-BLIND = 1.

ENDLOOP.

LOOP AT IT_MDG_BS_SUPPL_BP_PORG INTO WA_MDG_BS_SUPPL_BP_PORG.
*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-BOIND, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG-BOLRE, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG-BOPNR, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG-BSTAE, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG-EIKTO_M, sy-vline,
  WA_MDG_BS_SUPPL_BP_PORG-EKGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDG_BS_SUPPL_BP_PORG 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 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 INTO WA_MDG_BS_SUPPL_BP_PORG.


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

*Conversion exit CUNIT, internal->external for field RF_BPPRG
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MDG_BS_SUPPL_BP_PORG-RF_BPPRG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MDG_BS_SUPPL_BP_PORG-RF_BPPRG.
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_MDG_BS_SUPPL_BP_PORG_STR, 
ASSGNM_ID TYPE STRING,
BP_HEADER TYPE STRING,
PRCH_ORG TYPE STRING,
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,
INCO2_L TYPE STRING,
INCO3_L TYPE STRING,
INCOV 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,
REF_BPOR1 TYPE STRING,
REF_BPOR2 TYPE STRING,
REF_BPORG TYPE STRING,
REF_BPPOG TYPE STRING,
REF_BPPOR TYPE STRING,
REF_BPPRG TYPE STRING,
REF_BPRG TYPE STRING,
RF_BPORG TYPE STRING,
RF_BPPORG TYPE STRING,
RF_BPPRG 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_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_STR-ASSGNM_ID sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BP_HEADER sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-PRCH_ORG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-AGREL sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BLIND sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BOIND sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BOLRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BOPNR sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-BSTAE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-EIKTO_M sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-EKGRP sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-INCO1 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-INCO2 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-INCO2_L sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-INCO3_L sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-INCOV sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-KALSK sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-KZABS sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-KZAUT sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LEBRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LFABC sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LIBES sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LIPRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LISER sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-LOEVM_M sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-MEPRF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-MINBW sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-NRGEW sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-PAPRF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-PLIFZ sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-PRFRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPOR1 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPOR2 sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPORG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPPOG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPPOR sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPPRG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-REF_BPRG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-RF_BPORG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-RF_BPPORG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-RF_BPPRG sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-SKRIT sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-SPERM_P sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-UMSAE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-VENSL sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-VERKF sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-VSBED sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-WAERS sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-WEBRE sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-XERSR sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-XERSY sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_STR-XNBWY sy-vline 
WA_MDG_BS_SUPPL_BP_PORG_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.