ABAP Select data from SAP table ARUN_V_STK_AGGR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_V_STK_AGGR
*  INTO TABLE @DATA(IT_ARUN_V_STK_AGGR2).
*--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_ARUN_V_STK_AGGR INDEX 1 INTO DATA(WA_ARUN_V_STK_AGGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_V_STK_AGGR>-MANDT = 1.
<ARUN_V_STK_AGGR>-MATERIAL = 1.
<ARUN_V_STK_AGGR>-PLANT = 1.
<ARUN_V_STK_AGGR>-STORAGELOCATION = 1.
<ARUN_V_STK_AGGR>-BATCH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_V_STK_AGGR-SHELFEXPDATE, sy-vline,
  WA_ARUN_V_STK_AGGR-MFGDATE, sy-vline,
  WA_ARUN_V_STK_AGGR-BATCHCREATIONDATE, sy-vline,
  WA_ARUN_V_STK_AGGR-LASTGRDATE, sy-vline,
  WA_ARUN_V_STK_AGGR-STOCKSEGMENT, sy-vline,
  WA_ARUN_V_STK_AGGR-SEASONYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_V_STK_AGGR 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_ARUN_V_STK_AGGR 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_ARUN_V_STK_AGGR INTO WA_ARUN_V_STK_AGGR.


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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ARUN_V_STK_AGGR-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_V_STK_AGGR-MATERIALBASEUNIT.
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_ARUN_V_STK_AGGR_STR, 
MANDT TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
SHELFEXPDATE TYPE STRING,
MFGDATE TYPE STRING,
BATCHCREATIONDATE TYPE STRING,
LASTGRDATE TYPE STRING,
STOCKSEGMENT TYPE STRING,
SEASONYEAR TYPE STRING,
SEASON TYPE STRING,
SCOLLECTION TYPE STRING,
THEME TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
STOCKQTY TYPE STRING,
ARUNFIXBATCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_V_STK_AGGR_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_ARUN_V_STK_AGGR_STR-MANDT sy-vline 
WA_ARUN_V_STK_AGGR_STR-MATERIAL sy-vline 
WA_ARUN_V_STK_AGGR_STR-PLANT sy-vline 
WA_ARUN_V_STK_AGGR_STR-STORAGELOCATION sy-vline 
WA_ARUN_V_STK_AGGR_STR-BATCH sy-vline 
WA_ARUN_V_STK_AGGR_STR-SHELFEXPDATE sy-vline 
WA_ARUN_V_STK_AGGR_STR-MFGDATE sy-vline 
WA_ARUN_V_STK_AGGR_STR-BATCHCREATIONDATE sy-vline 
WA_ARUN_V_STK_AGGR_STR-LASTGRDATE sy-vline 
WA_ARUN_V_STK_AGGR_STR-STOCKSEGMENT sy-vline 
WA_ARUN_V_STK_AGGR_STR-SEASONYEAR sy-vline 
WA_ARUN_V_STK_AGGR_STR-SEASON sy-vline 
WA_ARUN_V_STK_AGGR_STR-SCOLLECTION sy-vline 
WA_ARUN_V_STK_AGGR_STR-THEME sy-vline 
WA_ARUN_V_STK_AGGR_STR-MATERIALBASEUNIT sy-vline 
WA_ARUN_V_STK_AGGR_STR-STOCKQTY sy-vline 
WA_ARUN_V_STK_AGGR_STR-ARUNFIXBATCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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