ABAP Select data from SAP table ARNGRPVAL_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARNGRPVAL_D
*  INTO TABLE @DATA(IT_ARNGRPVAL_D2).
*--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_ARNGRPVAL_D INDEX 1 INTO DATA(WA_ARNGRPVAL_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARNGRPVAL_D>-MANDT = 1.
<ARNGRPVAL_D>-ARUNDEMANDGROUPVALUEUUID = 1.
<ARNGRPVAL_D>-ARUNDEMANDGROUPRULEUUID = 1.
<ARNGRPVAL_D>-ARUNGROUPPRIORITY = 1.
<ARNGRPVAL_D>-ARUNDEMANDCHARC01VALUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARNGRPVAL_D-ARUNDEMANDCHARC02VALUE, sy-vline,
  WA_ARNGRPVAL_D-ARUNDEMANDCHARC03VALUE, sy-vline,
  WA_ARNGRPVAL_D-ARUNDEMANDCHARC04VALUE, sy-vline,
  WA_ARNGRPVAL_D-ARUNDEMANDCHARC05VALUE, sy-vline,
  WA_ARNGRPVAL_D-ARUNDEMANDCHARC06VALUE, sy-vline,
  WA_ARNGRPVAL_D-ARUNDEMANDCHARC07VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARNGRPVAL_D 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_ARNGRPVAL_D 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_ARNGRPVAL_D INTO WA_ARNGRPVAL_D.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ARNGRPVAL_D_STR, 
MANDT TYPE STRING,
ARUNDEMANDGROUPVALUEUUID TYPE STRING,
ARUNDEMANDGROUPRULEUUID TYPE STRING,
ARUNGROUPPRIORITY TYPE STRING,
ARUNDEMANDCHARC01VALUE TYPE STRING,
ARUNDEMANDCHARC02VALUE TYPE STRING,
ARUNDEMANDCHARC03VALUE TYPE STRING,
ARUNDEMANDCHARC04VALUE TYPE STRING,
ARUNDEMANDCHARC05VALUE TYPE STRING,
ARUNDEMANDCHARC06VALUE TYPE STRING,
ARUNDEMANDCHARC07VALUE TYPE STRING,
ARUNDEMANDCHARC08VALUE TYPE STRING,
ARUNDEMANDCHARC09VALUE TYPE STRING,
ARUNDEMANDCHARC10VALUE TYPE STRING,
ARUNDEMANDCHARC01UUID TYPE STRING,
ARUNDEMANDCHARC02UUID TYPE STRING,
ARUNDEMANDCHARC03UUID TYPE STRING,
ARUNDEMANDCHARC04UUID TYPE STRING,
ARUNDEMANDCHARC05UUID TYPE STRING,
ARUNDEMANDCHARC06UUID TYPE STRING,
ARUNDEMANDCHARC07UUID TYPE STRING,
ARUNDEMANDCHARC08UUID TYPE STRING,
ARUNDEMANDCHARC09UUID TYPE STRING,
ARUNDEMANDCHARC10UUID TYPE STRING,
ARUNDEMANDGROUPID TYPE STRING,
ARUNRELEASERULE TYPE STRING,
ARUNMINASSGMTPERCENT TYPE STRING,
ARUNMAXASSGMTPERCENT TYPE STRING,
ARUNDMNDSUPSHAREPERCENT TYPE STRING,
BUSPRPSOFREFDVALUEISCOMPLETED TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARNGRPVAL_D_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_ARNGRPVAL_D_STR-MANDT sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDGROUPVALUEUUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDGROUPRULEUUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNGROUPPRIORITY sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC01VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC02VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC03VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC04VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC05VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC06VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC07VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC08VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC09VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC10VALUE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC01UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC02UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC03UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC04UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC05UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC06UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC07UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC08UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC09UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDCHARC10UUID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDEMANDGROUPID sy-vline 
WA_ARNGRPVAL_D_STR-ARUNRELEASERULE sy-vline 
WA_ARNGRPVAL_D_STR-ARUNMINASSGMTPERCENT sy-vline 
WA_ARNGRPVAL_D_STR-ARUNMAXASSGMTPERCENT sy-vline 
WA_ARNGRPVAL_D_STR-ARUNDMNDSUPSHAREPERCENT sy-vline 
WA_ARNGRPVAL_D_STR-BUSPRPSOFREFDVALUEISCOMPLETED sy-vline 
WA_ARNGRPVAL_D_STR-ACTIVEUUID sy-vline 
WA_ARNGRPVAL_D_STR-HASACTIVEENTITY sy-vline 
WA_ARNGRPVAL_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ARNGRPVAL_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ARNGRPVAL_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ARNGRPVAL_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ARNGRPVAL_D_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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