ABAP Select data from SAP table ARUN_V_CONF_AGG 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_CONF_AGG 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_CONF_AGG. 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_CONF_AGG 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_CONF_AGG TYPE STANDARD TABLE OF ARUN_V_CONF_AGG,
      WA_ARUN_V_CONF_AGG TYPE ARUN_V_CONF_AGG,
      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_CONF_AGG> TYPE ARUN_V_CONF_AGG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_V_CONF_AGG
*  INTO TABLE @DATA(IT_ARUN_V_CONF_AGG2).
*--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_CONF_AGG INDEX 1 INTO DATA(WA_ARUN_V_CONF_AGG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_V_CONF_AGG>-MANDT = 1.
<ARUN_V_CONF_AGG>-PURCHORD_NUM = 1.
<ARUN_V_CONF_AGG>-PURCHORD_ITEM = 1.
<ARUN_V_CONF_AGG>-MATERIAL = 1.
<ARUN_V_CONF_AGG>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_V_CONF_AGG-PURCHDOCDATE, sy-vline,
  WA_ARUN_V_CONF_AGG-STORAGELOCATION, sy-vline,
  WA_ARUN_V_CONF_AGG-STOCKSEGMENT, sy-vline,
  WA_ARUN_V_CONF_AGG-SEASONYEAR, sy-vline,
  WA_ARUN_V_CONF_AGG-SEASON, sy-vline,
  WA_ARUN_V_CONF_AGG-SCOLLECTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_V_CONF_AGG 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_CONF_AGG 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_CONF_AGG INTO WA_ARUN_V_CONF_AGG.


*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 PURCHORD_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ARUN_V_CONF_AGG-PURCHORD_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_V_CONF_AGG-PURCHORD_NUM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ARUN_V_CONF_AGG-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ARUN_V_CONF_AGG-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_CONF_AGG_STR, 
MANDT TYPE STRING,
PURCHORD_NUM TYPE STRING,
PURCHORD_ITEM TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PURCHDOCDATE TYPE STRING,
STORAGELOCATION TYPE STRING,
STOCKSEGMENT TYPE STRING,
SEASONYEAR TYPE STRING,
SEASON TYPE STRING,
SCOLLECTION TYPE STRING,
THEME TYPE STRING,
PURCHDOCTYPE TYPE STRING,
SUPPLIER TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_RED TYPE STRING,
MATERIALBASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_V_CONF_AGG_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_CONF_AGG_STR-MANDT sy-vline 
WA_ARUN_V_CONF_AGG_STR-PURCHORD_NUM sy-vline 
WA_ARUN_V_CONF_AGG_STR-PURCHORD_ITEM sy-vline 
WA_ARUN_V_CONF_AGG_STR-MATERIAL sy-vline 
WA_ARUN_V_CONF_AGG_STR-PLANT sy-vline 
WA_ARUN_V_CONF_AGG_STR-PURCHDOCDATE sy-vline 
WA_ARUN_V_CONF_AGG_STR-STORAGELOCATION sy-vline 
WA_ARUN_V_CONF_AGG_STR-STOCKSEGMENT sy-vline 
WA_ARUN_V_CONF_AGG_STR-SEASONYEAR sy-vline 
WA_ARUN_V_CONF_AGG_STR-SEASON sy-vline 
WA_ARUN_V_CONF_AGG_STR-SCOLLECTION sy-vline 
WA_ARUN_V_CONF_AGG_STR-THEME sy-vline 
WA_ARUN_V_CONF_AGG_STR-PURCHDOCTYPE sy-vline 
WA_ARUN_V_CONF_AGG_STR-SUPPLIER sy-vline 
WA_ARUN_V_CONF_AGG_STR-QUANTITY sy-vline 
WA_ARUN_V_CONF_AGG_STR-QUANTITY_RED sy-vline 
WA_ARUN_V_CONF_AGG_STR-MATERIALBASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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