ABAP Select data from SAP table ARUNI_V_STO_SL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUNI_V_STO_SL
*  INTO TABLE @DATA(IT_ARUNI_V_STO_SL2).
*--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_ARUNI_V_STO_SL INDEX 1 INTO DATA(WA_ARUNI_V_STO_SL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUNI_V_STO_SL>-MANDT = 1.
<ARUNI_V_STO_SL>-EBELN = 1.
<ARUNI_V_STO_SL>-EBELP = 1.
<ARUNI_V_STO_SL>-ARUN_REQ_DLVDATE = 1.
<ARUNI_V_STO_SL>-MBDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUNI_V_STO_SL-DAT01, sy-vline,
  WA_ARUNI_V_STO_SL-EINDT, sy-vline,
  WA_ARUNI_V_STO_SL-MNG02, sy-vline,
  WA_ARUNI_V_STO_SL-WAMNG, sy-vline,
  WA_ARUNI_V_STO_SL-GLMNG, sy-vline,
  WA_ARUNI_V_STO_SL-MIN_MBDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUNI_V_STO_SL 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_ARUNI_V_STO_SL 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_ARUNI_V_STO_SL INTO WA_ARUNI_V_STO_SL.


*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_ARUNI_V_STO_SL-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUNI_V_STO_SL-EBELN.
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_ARUNI_V_STO_SL_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ARUN_REQ_DLVDATE TYPE STRING,
MBDAT TYPE STRING,
DAT01 TYPE STRING,
EINDT TYPE STRING,
MNG02 TYPE STRING,
WAMNG TYPE STRING,
GLMNG TYPE STRING,
MIN_MBDAT TYPE STRING,
REQ_IND TYPE STRING,
CHARG TYPE STRING,
WMENG TYPE STRING,
FIXMG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUNI_V_STO_SL_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_ARUNI_V_STO_SL_STR-MANDT sy-vline 
WA_ARUNI_V_STO_SL_STR-EBELN sy-vline 
WA_ARUNI_V_STO_SL_STR-EBELP sy-vline 
WA_ARUNI_V_STO_SL_STR-ARUN_REQ_DLVDATE sy-vline 
WA_ARUNI_V_STO_SL_STR-MBDAT sy-vline 
WA_ARUNI_V_STO_SL_STR-DAT01 sy-vline 
WA_ARUNI_V_STO_SL_STR-EINDT sy-vline 
WA_ARUNI_V_STO_SL_STR-MNG02 sy-vline 
WA_ARUNI_V_STO_SL_STR-WAMNG sy-vline 
WA_ARUNI_V_STO_SL_STR-GLMNG sy-vline 
WA_ARUNI_V_STO_SL_STR-MIN_MBDAT sy-vline 
WA_ARUNI_V_STO_SL_STR-REQ_IND sy-vline 
WA_ARUNI_V_STO_SL_STR-CHARG sy-vline 
WA_ARUNI_V_STO_SL_STR-WMENG sy-vline 
WA_ARUNI_V_STO_SL_STR-FIXMG sy-vline      INTO ld_text SEPARATED BY SPACE.

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