ABAP Select data from SAP table NSDM_MIG_MSKU into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NSDM_MIG_MSKU
*  INTO TABLE @DATA(IT_NSDM_MIG_MSKU2).
*--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_NSDM_MIG_MSKU INDEX 1 INTO DATA(WA_NSDM_MIG_MSKU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NSDM_MIG_MSKU>-MANDT = 1.
<NSDM_MIG_MSKU>-MATNR = 1.
<NSDM_MIG_MSKU>-WERKS = 1.
<NSDM_MIG_MSKU>-CHARG = 1.
<NSDM_MIG_MSKU>-SOBKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NSDM_MIG_MSKU-KUNNR, sy-vline,
  WA_NSDM_MIG_MSKU-LFGJA, sy-vline,
  WA_NSDM_MIG_MSKU-LFMON, sy-vline,
  WA_NSDM_MIG_MSKU-KUSPR, sy-vline,
  WA_NSDM_MIG_MSKU-KULAB, sy-vline,
  WA_NSDM_MIG_MSKU-KUINS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NSDM_MIG_MSKU 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_NSDM_MIG_MSKU 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_NSDM_MIG_MSKU INTO WA_NSDM_MIG_MSKU.


*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_NSDM_MIG_MSKU-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_MIG_MSKU-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field KUJIN
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_MIG_MSKU-KUJIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_MIG_MSKU-KUJIN.
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_NSDM_MIG_MSKU_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
SOBKZ TYPE STRING,
KUNNR TYPE STRING,
LFGJA TYPE STRING,
LFMON TYPE STRING,
KUSPR TYPE STRING,
KULAB TYPE STRING,
KUINS TYPE STRING,
KUVLA TYPE STRING,
KUVIN TYPE STRING,
KUILL TYPE STRING,
KUILQ TYPE STRING,
KUVLL TYPE STRING,
KUVLQ TYPE STRING,
KUFLL TYPE STRING,
KUFLQ TYPE STRING,
KUDLL TYPE STRING,
KUEIN TYPE STRING,
KUVEI TYPE STRING,
ERSDA TYPE STRING,
KUJIN TYPE STRING,
KURUE TYPE STRING,
KUUML TYPE STRING,
SGT_SCAT TYPE STRING,
FSH_SEASON_YEAR TYPE STRING,
FSH_SEASON TYPE STRING,
FSH_COLLECTION TYPE STRING,
FSH_THEME TYPE STRING,
FSH_SALLOC_QTY TYPE STRING,
/CWM/KULAB TYPE STRING,
/CWM/KUINS TYPE STRING,
/CWM/KUEIN TYPE STRING,
/CWM/KUUML TYPE STRING,
/CWM/KUVLA TYPE STRING,
/CWM/KUVIN TYPE STRING,
/CWM/KUVEI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NSDM_MIG_MSKU_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_NSDM_MIG_MSKU_STR-MANDT sy-vline 
WA_NSDM_MIG_MSKU_STR-MATNR sy-vline 
WA_NSDM_MIG_MSKU_STR-WERKS sy-vline 
WA_NSDM_MIG_MSKU_STR-CHARG sy-vline 
WA_NSDM_MIG_MSKU_STR-SOBKZ sy-vline 
WA_NSDM_MIG_MSKU_STR-KUNNR sy-vline 
WA_NSDM_MIG_MSKU_STR-LFGJA sy-vline 
WA_NSDM_MIG_MSKU_STR-LFMON sy-vline 
WA_NSDM_MIG_MSKU_STR-KUSPR sy-vline 
WA_NSDM_MIG_MSKU_STR-KULAB sy-vline 
WA_NSDM_MIG_MSKU_STR-KUINS sy-vline 
WA_NSDM_MIG_MSKU_STR-KUVLA sy-vline 
WA_NSDM_MIG_MSKU_STR-KUVIN sy-vline 
WA_NSDM_MIG_MSKU_STR-KUILL sy-vline 
WA_NSDM_MIG_MSKU_STR-KUILQ sy-vline 
WA_NSDM_MIG_MSKU_STR-KUVLL sy-vline 
WA_NSDM_MIG_MSKU_STR-KUVLQ sy-vline 
WA_NSDM_MIG_MSKU_STR-KUFLL sy-vline 
WA_NSDM_MIG_MSKU_STR-KUFLQ sy-vline 
WA_NSDM_MIG_MSKU_STR-KUDLL sy-vline 
WA_NSDM_MIG_MSKU_STR-KUEIN sy-vline 
WA_NSDM_MIG_MSKU_STR-KUVEI sy-vline 
WA_NSDM_MIG_MSKU_STR-ERSDA sy-vline 
WA_NSDM_MIG_MSKU_STR-KUJIN sy-vline 
WA_NSDM_MIG_MSKU_STR-KURUE sy-vline 
WA_NSDM_MIG_MSKU_STR-KUUML sy-vline 
WA_NSDM_MIG_MSKU_STR-SGT_SCAT sy-vline 
WA_NSDM_MIG_MSKU_STR-FSH_SEASON_YEAR sy-vline 
WA_NSDM_MIG_MSKU_STR-FSH_SEASON sy-vline 
WA_NSDM_MIG_MSKU_STR-FSH_COLLECTION sy-vline 
WA_NSDM_MIG_MSKU_STR-FSH_THEME sy-vline 
WA_NSDM_MIG_MSKU_STR-FSH_SALLOC_QTY sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KULAB sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUINS sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUEIN sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUUML sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUVLA sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUVIN sy-vline 
WA_NSDM_MIG_MSKU_STR-/CWM/KUVEI sy-vline      INTO ld_text SEPARATED BY SPACE.

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