ABAP Select data from SAP table FKKWOFF_EHP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKWOFF_EHP2 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 FKKWOFF_EHP2. 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 FKKWOFF_EHP2 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_FKKWOFF_EHP2 TYPE STANDARD TABLE OF FKKWOFF_EHP2,
      WA_FKKWOFF_EHP2 TYPE FKKWOFF_EHP2,
      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: <FKKWOFF_EHP2> TYPE FKKWOFF_EHP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKWOFF_EHP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKWOFF_EHP2
  INTO TABLE IT_FKKWOFF_EHP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKWOFF_EHP2
*  INTO TABLE @DATA(IT_FKKWOFF_EHP22).
*--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_FKKWOFF_EHP2 INDEX 1 INTO DATA(WA_FKKWOFF_EHP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKWOFF_EHP2 ASSIGNING <FKKWOFF_EHP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKWOFF_EHP2>-R_BETRW = 1.
<FKKWOFF_EHP2>-R_MAHNS = 1.
<FKKWOFF_EHP2>-R_MAHNV = 1.
<FKKWOFF_EHP2>-R_MSTYP = 1.
<FKKWOFF_EHP2>-R_FAEDN = 1.

ENDLOOP.

LOOP AT IT_FKKWOFF_EHP2 INTO WA_FKKWOFF_EHP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKWOFF_EHP2-R_OPBEL, sy-vline,
  WA_FKKWOFF_EHP2-R_VORGG, sy-vline,
  WA_FKKWOFF_EHP2-TOGRU, sy-vline,
  WA_FKKWOFF_EHP2-AUSFV, sy-vline,
  WA_FKKWOFF_EHP2-BUDAT, sy-vline,
  WA_FKKWOFF_EHP2-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKWOFF_EHP2 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_FKKWOFF_EHP2 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_FKKWOFF_EHP2 INTO WA_FKKWOFF_EHP2.


*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_FKKWOFF_EHP2_STR, 
R_BETRW TYPE STRING,
R_MAHNS TYPE STRING,
R_MAHNV TYPE STRING,
R_MSTYP TYPE STRING,
R_FAEDN TYPE STRING,
R_OPBEL TYPE STRING,
R_VORGG TYPE STRING,
TOGRU TYPE STRING,
AUSFV TYPE STRING,
BUDAT TYPE STRING,
WAERS TYPE STRING,
AUGRD TYPE STRING,
ABGRD TYPE STRING,
BLART TYPE STRING,
XRULE TYPE STRING,
XAHIS TYPE STRING,
XBONI TYPE STRING,
XCOLL TYPE STRING,
R_XBLNR TYPE STRING,
BUKRS TYPE STRING,
COKEY TYPE STRING,
XSALD TYPE STRING,
XEZNW TYPE STRING,
R_STRAT TYPE STRING,
R_STEP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKWOFF_EHP2_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_FKKWOFF_EHP2_STR-R_BETRW sy-vline 
WA_FKKWOFF_EHP2_STR-R_MAHNS sy-vline 
WA_FKKWOFF_EHP2_STR-R_MAHNV sy-vline 
WA_FKKWOFF_EHP2_STR-R_MSTYP sy-vline 
WA_FKKWOFF_EHP2_STR-R_FAEDN sy-vline 
WA_FKKWOFF_EHP2_STR-R_OPBEL sy-vline 
WA_FKKWOFF_EHP2_STR-R_VORGG sy-vline 
WA_FKKWOFF_EHP2_STR-TOGRU sy-vline 
WA_FKKWOFF_EHP2_STR-AUSFV sy-vline 
WA_FKKWOFF_EHP2_STR-BUDAT sy-vline 
WA_FKKWOFF_EHP2_STR-WAERS sy-vline 
WA_FKKWOFF_EHP2_STR-AUGRD sy-vline 
WA_FKKWOFF_EHP2_STR-ABGRD sy-vline 
WA_FKKWOFF_EHP2_STR-BLART sy-vline 
WA_FKKWOFF_EHP2_STR-XRULE sy-vline 
WA_FKKWOFF_EHP2_STR-XAHIS sy-vline 
WA_FKKWOFF_EHP2_STR-XBONI sy-vline 
WA_FKKWOFF_EHP2_STR-XCOLL sy-vline 
WA_FKKWOFF_EHP2_STR-R_XBLNR sy-vline 
WA_FKKWOFF_EHP2_STR-BUKRS sy-vline 
WA_FKKWOFF_EHP2_STR-COKEY sy-vline 
WA_FKKWOFF_EHP2_STR-XSALD sy-vline 
WA_FKKWOFF_EHP2_STR-XEZNW sy-vline 
WA_FKKWOFF_EHP2_STR-R_STRAT sy-vline 
WA_FKKWOFF_EHP2_STR-R_STEP sy-vline      INTO ld_text SEPARATED BY SPACE.

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