ABAP Select data from SAP table MMPOHMADELHSDM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPOHMADELHSDM
*  INTO TABLE @DATA(IT_MMPOHMADELHSDM2).
*--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_MMPOHMADELHSDM INDEX 1 INTO DATA(WA_MMPOHMADELHSDM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPOHMADELHSDM>-MANDT = 1.
<MMPOHMADELHSDM>-EBELN = 1.
<MMPOHMADELHSDM>-EBELP = 1.
<MMPOHMADELHSDM>-ZEKKN = 1.
<MMPOHMADELHSDM>-STUNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPOHMADELHSDM-ZAEHK, sy-vline,
  WA_MMPOHMADELHSDM-VGABE, sy-vline,
  WA_MMPOHMADELHSDM-GJAHR, sy-vline,
  WA_MMPOHMADELHSDM-BELNR, sy-vline,
  WA_MMPOHMADELHSDM-BUZEI, sy-vline,
  WA_MMPOHMADELHSDM-EXT_CURTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPOHMADELHSDM 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_MMPOHMADELHSDM 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_MMPOHMADELHSDM INTO WA_MMPOHMADELHSDM.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MMPOHMADELHSDM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPOHMADELHSDM-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPOHMADELHSDM-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPOHMADELHSDM-RLDNR.
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_MMPOHMADELHSDM_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
EXT_CURTYPE TYPE STRING,
RLDNR TYPE STRING,
COSTTYPE TYPE STRING,
SHKZG TYPE STRING,
BUKRS TYPE STRING,
WRBTR TYPE STRING,
AREWR TYPE STRING,
REEWR TYPE STRING,
KUDIF TYPE STRING,
WAERS TYPE STRING,
SDM_VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPOHMADELHSDM_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_MMPOHMADELHSDM_STR-MANDT sy-vline 
WA_MMPOHMADELHSDM_STR-EBELN sy-vline 
WA_MMPOHMADELHSDM_STR-EBELP sy-vline 
WA_MMPOHMADELHSDM_STR-ZEKKN sy-vline 
WA_MMPOHMADELHSDM_STR-STUNR sy-vline 
WA_MMPOHMADELHSDM_STR-ZAEHK sy-vline 
WA_MMPOHMADELHSDM_STR-VGABE sy-vline 
WA_MMPOHMADELHSDM_STR-GJAHR sy-vline 
WA_MMPOHMADELHSDM_STR-BELNR sy-vline 
WA_MMPOHMADELHSDM_STR-BUZEI sy-vline 
WA_MMPOHMADELHSDM_STR-EXT_CURTYPE sy-vline 
WA_MMPOHMADELHSDM_STR-RLDNR sy-vline 
WA_MMPOHMADELHSDM_STR-COSTTYPE sy-vline 
WA_MMPOHMADELHSDM_STR-SHKZG sy-vline 
WA_MMPOHMADELHSDM_STR-BUKRS sy-vline 
WA_MMPOHMADELHSDM_STR-WRBTR sy-vline 
WA_MMPOHMADELHSDM_STR-AREWR sy-vline 
WA_MMPOHMADELHSDM_STR-REEWR sy-vline 
WA_MMPOHMADELHSDM_STR-KUDIF sy-vline 
WA_MMPOHMADELHSDM_STR-WAERS sy-vline 
WA_MMPOHMADELHSDM_STR-SDM_VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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