ABAP Select data from SAP table ADPIC_S_MIGO_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADPIC_S_MIGO_ITEM
*  INTO TABLE @DATA(IT_ADPIC_S_MIGO_ITEM2).
*--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_ADPIC_S_MIGO_ITEM INDEX 1 INTO DATA(WA_ADPIC_S_MIGO_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADPIC_S_MIGO_ITEM>-EBELN = 1.
<ADPIC_S_MIGO_ITEM>-EBELP = 1.
<ADPIC_S_MIGO_ITEM>-MBLNR = 1.
<ADPIC_S_MIGO_ITEM>-MJAHR = 1.
<ADPIC_S_MIGO_ITEM>-ZEILE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADPIC_S_MIGO_ITEM-PARENT, sy-vline,
  WA_ADPIC_S_MIGO_ITEM-WERKS, sy-vline,
  WA_ADPIC_S_MIGO_ITEM-LGORT, sy-vline,
  WA_ADPIC_S_MIGO_ITEM-MATNR, sy-vline,
  WA_ADPIC_S_MIGO_ITEM-MAKTX, sy-vline,
  WA_ADPIC_S_MIGO_ITEM-CHARG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADPIC_S_MIGO_ITEM 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_ADPIC_S_MIGO_ITEM 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_ADPIC_S_MIGO_ITEM INTO WA_ADPIC_S_MIGO_ITEM.


*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_ADPIC_S_MIGO_ITEM-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADPIC_S_MIGO_ITEM-EBELN.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ADPIC_S_MIGO_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADPIC_S_MIGO_ITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADPIC_S_MIGO_ITEM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADPIC_S_MIGO_ITEM-MEINS.
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_ADPIC_S_MIGO_ITEM_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
PARENT TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
CHARG TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
SOBKZ TYPE STRING,
SHKZG TYPE STRING,
KZBEW TYPE STRING,
GLOBAL_COUNTER TYPE STRING,
TAKE_IT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADPIC_S_MIGO_ITEM_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_ADPIC_S_MIGO_ITEM_STR-EBELN sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-EBELP sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MBLNR sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MJAHR sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-ZEILE sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-PARENT sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-WERKS sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-LGORT sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MATNR sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MAKTX sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-CHARG sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MENGE sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-MEINS sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-SOBKZ sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-SHKZG sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-KZBEW sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-GLOBAL_COUNTER sy-vline 
WA_ADPIC_S_MIGO_ITEM_STR-TAKE_IT sy-vline      INTO ld_text SEPARATED BY SPACE.

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