ABAP Select data from SAP table FKKCFPAYRUN_DISPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCFPAYRUN_DISPL
*  INTO TABLE @DATA(IT_FKKCFPAYRUN_DISPL2).
*--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_FKKCFPAYRUN_DISPL INDEX 1 INTO DATA(WA_FKKCFPAYRUN_DISPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKCFPAYRUN_DISPL>-MARK = 1.
<FKKCFPAYRUN_DISPL>-ICON = 1.
<FKKCFPAYRUN_DISPL>-WORKICON = 1.
<FKKCFPAYRUN_DISPL>-STATE_TXT = 1.
<FKKCFPAYRUN_DISPL>-WORKSTATE_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCFPAYRUN_DISPL-MANDT, sy-vline,
  WA_FKKCFPAYRUN_DISPL-POKEN, sy-vline,
  WA_FKKCFPAYRUN_DISPL-GPART, sy-vline,
  WA_FKKCFPAYRUN_DISPL-VKONT, sy-vline,
  WA_FKKCFPAYRUN_DISPL-VTREF, sy-vline,
  WA_FKKCFPAYRUN_DISPL-OPBEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCFPAYRUN_DISPL 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_FKKCFPAYRUN_DISPL 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_FKKCFPAYRUN_DISPL INTO WA_FKKCFPAYRUN_DISPL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ABWRA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKCFPAYRUN_DISPL-ABWRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKCFPAYRUN_DISPL-ABWRA.
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_FKKCFPAYRUN_DISPL_STR, 
MARK TYPE STRING,
ICON TYPE STRING,
WORKICON TYPE STRING,
STATE_TXT TYPE STRING,
WORKSTATE_TXT TYPE STRING,
MANDT TYPE STRING,
POKEN TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
ERRORLEVEL TYPE STRING,
RZAWE TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
ABWRE TYPE STRING,
EBVTY TYPE STRING,
ABWRA TYPE STRING,
ABVTY TYPE STRING,
SPZAH TYPE STRING,
WAERS TYPE STRING,
BETRW TYPE STRING,
STATE TYPE STRING,
LOCK_USER TYPE STRING,
LOCK_LIMIT TYPE STRING,
WORKSTATE TYPE STRING,
RESUBMIT_DATE TYPE STRING,
WF_COUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKCFPAYRUN_DISPL_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_FKKCFPAYRUN_DISPL_STR-MARK sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-ICON sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-WORKICON sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-STATE_TXT sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-WORKSTATE_TXT sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-MANDT sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-POKEN sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-GPART sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-VKONT sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-VTREF sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-OPBEL sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-OPUPW sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-OPUPK sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-OPUPZ sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-LAUFD sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-LAUFI sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-ERRORLEVEL sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-RZAWE sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-HBKID sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-HKTID sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-ABWRE sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-EBVTY sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-ABWRA sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-ABVTY sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-SPZAH sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-WAERS sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-BETRW sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-STATE sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-LOCK_USER sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-LOCK_LIMIT sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-WORKSTATE sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-RESUBMIT_DATE sy-vline 
WA_FKKCFPAYRUN_DISPL_STR-WF_COUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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