ABAP Select data from SAP table FKKCFRLS_DISPL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKCFRLS_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 FKKCFRLS_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 FKKCFRLS_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_FKKCFRLS_DISPL TYPE STANDARD TABLE OF FKKCFRLS_DISPL,
      WA_FKKCFRLS_DISPL TYPE FKKCFRLS_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: <FKKCFRLS_DISPL> TYPE FKKCFRLS_DISPL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCFRLS_DISPL
*  INTO TABLE @DATA(IT_FKKCFRLS_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_FKKCFRLS_DISPL INDEX 1 INTO DATA(WA_FKKCFRLS_DISPL2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCFRLS_DISPL-ACTION_TXT, sy-vline,
  WA_FKKCFRLS_DISPL-TILE_ID_TXT, sy-vline,
  WA_FKKCFRLS_DISPL-GPART_TXT, sy-vline,
  WA_FKKCFRLS_DISPL-USER_TXT, sy-vline,
  WA_FKKCFRLS_DISPL-MANDT, sy-vline,
  WA_FKKCFRLS_DISPL-KEYR1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCFRLS_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_FKKCFRLS_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_FKKCFRLS_DISPL INTO WA_FKKCFRLS_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 RLSKO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKCFRLS_DISPL-RLSKO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKCFRLS_DISPL-RLSKO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field KLAEB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKCFRLS_DISPL-KLAEB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKCFRLS_DISPL-KLAEB.
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_FKKCFRLS_DISPL_STR, 
MARK TYPE STRING,
ICON TYPE STRING,
WORKICON TYPE STRING,
STATE_TXT TYPE STRING,
WORKSTATE_TXT TYPE STRING,
ACTION_TXT TYPE STRING,
TILE_ID_TXT TYPE STRING,
GPART_TXT TYPE STRING,
USER_TXT TYPE STRING,
MANDT TYPE STRING,
KEYR1 TYPE STRING,
POSRA TYPE STRING,
SELT1 TYPE STRING,
SELW1 TYPE STRING,
BETRR TYPE STRING,
BETRU TYPE STRING,
WAERS TYPE STRING,
WAERSU TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
VALUT TYPE STRING,
FIKEY TYPE STRING,
RLSKO TYPE STRING,
RLGRD TYPE STRING,
RLHBK TYPE STRING,
OPBEL TYPE STRING,
TXTVW TYPE STRING,
KLAEB 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_FKKCFRLS_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_FKKCFRLS_DISPL_STR-MARK sy-vline 
WA_FKKCFRLS_DISPL_STR-ICON sy-vline 
WA_FKKCFRLS_DISPL_STR-WORKICON sy-vline 
WA_FKKCFRLS_DISPL_STR-STATE_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-WORKSTATE_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-ACTION_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-TILE_ID_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-GPART_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-USER_TXT sy-vline 
WA_FKKCFRLS_DISPL_STR-MANDT sy-vline 
WA_FKKCFRLS_DISPL_STR-KEYR1 sy-vline 
WA_FKKCFRLS_DISPL_STR-POSRA sy-vline 
WA_FKKCFRLS_DISPL_STR-SELT1 sy-vline 
WA_FKKCFRLS_DISPL_STR-SELW1 sy-vline 
WA_FKKCFRLS_DISPL_STR-BETRR sy-vline 
WA_FKKCFRLS_DISPL_STR-BETRU sy-vline 
WA_FKKCFRLS_DISPL_STR-WAERS sy-vline 
WA_FKKCFRLS_DISPL_STR-WAERSU sy-vline 
WA_FKKCFRLS_DISPL_STR-BUKRS sy-vline 
WA_FKKCFRLS_DISPL_STR-GSBER sy-vline 
WA_FKKCFRLS_DISPL_STR-BUDAT sy-vline 
WA_FKKCFRLS_DISPL_STR-BLDAT sy-vline 
WA_FKKCFRLS_DISPL_STR-VALUT sy-vline 
WA_FKKCFRLS_DISPL_STR-FIKEY sy-vline 
WA_FKKCFRLS_DISPL_STR-RLSKO sy-vline 
WA_FKKCFRLS_DISPL_STR-RLGRD sy-vline 
WA_FKKCFRLS_DISPL_STR-RLHBK sy-vline 
WA_FKKCFRLS_DISPL_STR-OPBEL sy-vline 
WA_FKKCFRLS_DISPL_STR-TXTVW sy-vline 
WA_FKKCFRLS_DISPL_STR-KLAEB sy-vline 
WA_FKKCFRLS_DISPL_STR-STATE sy-vline 
WA_FKKCFRLS_DISPL_STR-LOCK_USER sy-vline 
WA_FKKCFRLS_DISPL_STR-LOCK_LIMIT sy-vline 
WA_FKKCFRLS_DISPL_STR-WORKSTATE sy-vline 
WA_FKKCFRLS_DISPL_STR-RESUBMIT_DATE sy-vline 
WA_FKKCFRLS_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.