ABAP Select data from SAP table V_PPH_MDUB_1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_PPH_MDUB_1 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 V_PPH_MDUB_1. 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 V_PPH_MDUB_1 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_V_PPH_MDUB_1 TYPE STANDARD TABLE OF V_PPH_MDUB_1,
      WA_V_PPH_MDUB_1 TYPE V_PPH_MDUB_1,
      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: <V_PPH_MDUB_1> TYPE V_PPH_MDUB_1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_PPH_MDUB_1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_PPH_MDUB_1
  INTO TABLE IT_V_PPH_MDUB_1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_PPH_MDUB_1
*  INTO TABLE @DATA(IT_V_PPH_MDUB_12).
*--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_V_PPH_MDUB_1 INDEX 1 INTO DATA(WA_V_PPH_MDUB_12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_PPH_MDUB_1 ASSIGNING <V_PPH_MDUB_1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_PPH_MDUB_1>-MANDT = 1.
<V_PPH_MDUB_1>-MATNR = 1.
<V_PPH_MDUB_1>-WERKS = 1.
<V_PPH_MDUB_1>-DAT00 = 1.
<V_PPH_MDUB_1>-MDUB_X_PLIFZ = 1.

ENDLOOP.

LOOP AT IT_V_PPH_MDUB_1 INTO WA_V_PPH_MDUB_1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_PPH_MDUB_1-SORT1, sy-vline,
  WA_V_PPH_MDUB_1-SORT2, sy-vline,
  WA_V_PPH_MDUB_1-DELKZ, sy-vline,
  WA_V_PPH_MDUB_1-VRFKZ, sy-vline,
  WA_V_PPH_MDUB_1-PLUMI, sy-vline,
  WA_V_PPH_MDUB_1-LV_SIGN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_PPH_MDUB_1 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_V_PPH_MDUB_1 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_V_PPH_MDUB_1 INTO WA_V_PPH_MDUB_1.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_V_PPH_MDUB_1-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_PPH_MDUB_1-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_PPH_MDUB_1-DELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_PPH_MDUB_1-DELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_V_PPH_MDUB_1-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_PPH_MDUB_1-REVLV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MDUB_EMLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_PPH_MDUB_1-MDUB_EMLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_PPH_MDUB_1-MDUB_EMLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MDUB_AKTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_PPH_MDUB_1-MDUB_AKTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_PPH_MDUB_1-MDUB_AKTNR.
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_V_PPH_MDUB_1_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
DAT00 TYPE STRING,
MDUB_X_PLIFZ TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
DELKZ TYPE STRING,
VRFKZ TYPE STRING,
PLUMI TYPE STRING,
LV_SIGN TYPE STRING,
MENGE TYPE STRING,
GLMNG TYPE STRING,
WAMNG TYPE STRING,
DABMG TYPE STRING,
FLS_RSTO TYPE STRING,
WRK02 TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
DELNR TYPE STRING,
DELPS TYPE STRING,
DELET TYPE STRING,
SERNR TYPE STRING,
TECHS TYPE STRING,
REVLV TYPE STRING,
KNTTP TYPE STRING,
KZVBR TYPE STRING,
SOBKZ TYPE STRING,
CUOBJ TYPE STRING,
KZBWS TYPE STRING,
PLIFZ TYPE STRING,
RESLO TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
MDUB_UMSOK TYPE STRING,
MDUB_BSTYP TYPE STRING,
MDUB_RETPO TYPE STRING,
MDUB_LBLKZ TYPE STRING,
MDUB_EMLIF TYPE STRING,
MDUB_INSMK TYPE STRING,
MDUB_LOEKZ TYPE STRING,
MDUB_AKTNR TYPE STRING,
MDUB_MENGE_DB TYPE STRING,
MDUB_WEMNG_DB TYPE STRING,
MDUB_FLS_RSTO TYPE STRING,
SGT_SCAT TYPE STRING,
SGT_RCAT TYPE STRING,
KNTTP_DB TYPE STRING,
KZVBR_DB TYPE STRING,
KZBWS_DB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_PPH_MDUB_1_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_V_PPH_MDUB_1_STR-MANDT sy-vline 
WA_V_PPH_MDUB_1_STR-MATNR sy-vline 
WA_V_PPH_MDUB_1_STR-WERKS sy-vline 
WA_V_PPH_MDUB_1_STR-DAT00 sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_X_PLIFZ sy-vline 
WA_V_PPH_MDUB_1_STR-SORT1 sy-vline 
WA_V_PPH_MDUB_1_STR-SORT2 sy-vline 
WA_V_PPH_MDUB_1_STR-DELKZ sy-vline 
WA_V_PPH_MDUB_1_STR-VRFKZ sy-vline 
WA_V_PPH_MDUB_1_STR-PLUMI sy-vline 
WA_V_PPH_MDUB_1_STR-LV_SIGN sy-vline 
WA_V_PPH_MDUB_1_STR-MENGE sy-vline 
WA_V_PPH_MDUB_1_STR-GLMNG sy-vline 
WA_V_PPH_MDUB_1_STR-WAMNG sy-vline 
WA_V_PPH_MDUB_1_STR-DABMG sy-vline 
WA_V_PPH_MDUB_1_STR-FLS_RSTO sy-vline 
WA_V_PPH_MDUB_1_STR-WRK02 sy-vline 
WA_V_PPH_MDUB_1_STR-LGORT sy-vline 
WA_V_PPH_MDUB_1_STR-CHARG sy-vline 
WA_V_PPH_MDUB_1_STR-DELNR sy-vline 
WA_V_PPH_MDUB_1_STR-DELPS sy-vline 
WA_V_PPH_MDUB_1_STR-DELET sy-vline 
WA_V_PPH_MDUB_1_STR-SERNR sy-vline 
WA_V_PPH_MDUB_1_STR-TECHS sy-vline 
WA_V_PPH_MDUB_1_STR-REVLV sy-vline 
WA_V_PPH_MDUB_1_STR-KNTTP sy-vline 
WA_V_PPH_MDUB_1_STR-KZVBR sy-vline 
WA_V_PPH_MDUB_1_STR-SOBKZ sy-vline 
WA_V_PPH_MDUB_1_STR-CUOBJ sy-vline 
WA_V_PPH_MDUB_1_STR-KZBWS sy-vline 
WA_V_PPH_MDUB_1_STR-PLIFZ sy-vline 
WA_V_PPH_MDUB_1_STR-RESLO sy-vline 
WA_V_PPH_MDUB_1_STR-UMREN sy-vline 
WA_V_PPH_MDUB_1_STR-UMREZ sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_UMSOK sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_BSTYP sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_RETPO sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_LBLKZ sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_EMLIF sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_INSMK sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_LOEKZ sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_AKTNR sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_MENGE_DB sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_WEMNG_DB sy-vline 
WA_V_PPH_MDUB_1_STR-MDUB_FLS_RSTO sy-vline 
WA_V_PPH_MDUB_1_STR-SGT_SCAT sy-vline 
WA_V_PPH_MDUB_1_STR-SGT_RCAT sy-vline 
WA_V_PPH_MDUB_1_STR-KNTTP_DB sy-vline 
WA_V_PPH_MDUB_1_STR-KZVBR_DB sy-vline 
WA_V_PPH_MDUB_1_STR-KZBWS_DB sy-vline      INTO ld_text SEPARATED BY SPACE.

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