ABAP Select data from SAP table FKKCC_PPACC_DISP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCC_PPACC_DISP
*  INTO TABLE @DATA(IT_FKKCC_PPACC_DISP2).
*--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_FKKCC_PPACC_DISP INDEX 1 INTO DATA(WA_FKKCC_PPACC_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKCC_PPACC_DISP>-SYSTEM_ICON = 1.
<FKKCC_PPACC_DISP>-RATING_AREA = 1.
<FKKCC_PPACC_DISP>-PPACC = 1.
<FKKCC_PPACC_DISP>-GPART = 1.
<FKKCC_PPACC_DISP>-PPINFO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCC_PPACC_DISP-WAERS, sy-vline,
  WA_FKKCC_PPACC_DISP-MINAM, sy-vline,
  WA_FKKCC_PPACC_DISP-LIM1X, sy-vline,
  WA_FKKCC_PPACC_DISP-LIM1A, sy-vline,
  WA_FKKCC_PPACC_DISP-LIM2X, sy-vline,
  WA_FKKCC_PPACC_DISP-LIM2A, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCC_PPACC_DISP 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_FKKCC_PPACC_DISP 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_FKKCC_PPACC_DISP INTO WA_FKKCC_PPACC_DISP.


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

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKCC_PPACC_DISP-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKCC_PPACC_DISP-GPART.
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_FKKCC_PPACC_DISP_STR, 
SYSTEM_ICON TYPE STRING,
RATING_AREA TYPE STRING,
PPACC TYPE STRING,
GPART TYPE STRING,
PPINFO TYPE STRING,
WAERS TYPE STRING,
MINAM TYPE STRING,
LIM1X TYPE STRING,
LIM1A TYPE STRING,
LIM2X TYPE STRING,
LIM2A TYPE STRING,
LIM3X TYPE STRING,
LIM3A TYPE STRING,
DIFF_EXISTS TYPE STRING,
COLTAB TYPE STRING,
ASUAC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKCC_PPACC_DISP_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_FKKCC_PPACC_DISP_STR-SYSTEM_ICON sy-vline 
WA_FKKCC_PPACC_DISP_STR-RATING_AREA sy-vline 
WA_FKKCC_PPACC_DISP_STR-PPACC sy-vline 
WA_FKKCC_PPACC_DISP_STR-GPART sy-vline 
WA_FKKCC_PPACC_DISP_STR-PPINFO sy-vline 
WA_FKKCC_PPACC_DISP_STR-WAERS sy-vline 
WA_FKKCC_PPACC_DISP_STR-MINAM sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM1X sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM1A sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM2X sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM2A sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM3X sy-vline 
WA_FKKCC_PPACC_DISP_STR-LIM3A sy-vline 
WA_FKKCC_PPACC_DISP_STR-DIFF_EXISTS sy-vline 
WA_FKKCC_PPACC_DISP_STR-COLTAB sy-vline 
WA_FKKCC_PPACC_DISP_STR-ASUAC sy-vline      INTO ld_text SEPARATED BY SPACE.

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