ABAP Select data from SAP table FKK_PREP_ERR_DISP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_PREP_ERR_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 FKK_PREP_ERR_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 FKK_PREP_ERR_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_FKK_PREP_ERR_DISP TYPE STANDARD TABLE OF FKK_PREP_ERR_DISP,
      WA_FKK_PREP_ERR_DISP TYPE FKK_PREP_ERR_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: <FKK_PREP_ERR_DISP> TYPE FKK_PREP_ERR_DISP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_PREP_ERR_DISP
*  INTO TABLE @DATA(IT_FKK_PREP_ERR_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_FKK_PREP_ERR_DISP INDEX 1 INTO DATA(WA_FKK_PREP_ERR_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_PREP_ERR_DISP>-TOUCHED = 1.
<FKK_PREP_ERR_DISP>-STATUS_ICON = 1.
<FKK_PREP_ERR_DISP>-MANDT = 1.
<FKK_PREP_ERR_DISP>-XSUCC = 1.
<FKK_PREP_ERR_DISP>-OPBEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_PREP_ERR_DISP-PGUID, sy-vline,
  WA_FKK_PREP_ERR_DISP-CPUDT, sy-vline,
  WA_FKK_PREP_ERR_DISP-CPUTM, sy-vline,
  WA_FKK_PREP_ERR_DISP-LUPDD, sy-vline,
  WA_FKK_PREP_ERR_DISP-LUPDT, sy-vline,
  WA_FKK_PREP_ERR_DISP-LUPDU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_PREP_ERR_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_FKK_PREP_ERR_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_FKK_PREP_ERR_DISP INTO WA_FKK_PREP_ERR_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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PREP_ERR_DISP-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PREP_ERR_DISP-OPBEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PREP_ERR_DISP-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PREP_ERR_DISP-VKONT.
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_FKK_PREP_ERR_DISP_STR, 
TOUCHED TYPE STRING,
STATUS_ICON TYPE STRING,
MANDT TYPE STRING,
XSUCC TYPE STRING,
OPBEL TYPE STRING,
PGUID TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
LUPDD TYPE STRING,
LUPDT TYPE STRING,
LUPDU TYPE STRING,
UPDCT TYPE STRING,
KORRB TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGVX TYPE STRING,
ERRCC TYPE STRING,
PPACC TYPE STRING,
PREPR TYPE STRING,
GPART TYPE STRING,
BETRW TYPE STRING,
BETRW_ADD TYPE STRING,
WAERS TYPE STRING,
WAERS_PP TYPE STRING,
REFPK TYPE STRING,
RFPCN TYPE STRING,
XRVRF TYPE STRING,
PPRSN TYPE STRING,
PPDOC TYPE STRING,
CRDRS TYPE STRING,
PPNOT TYPE STRING,
TUMTH TYPE STRING,
TULOC TYPE STRING,
BKVID TYPE STRING,
CRDID TYPE STRING,
CGUID TYPE STRING,
TUSE1 TYPE STRING,
CNTU1 TYPE STRING,
TUSE2 TYPE STRING,
CNTU2 TYPE STRING,
TUSE3 TYPE STRING,
CNTU3 TYPE STRING,
PPRND TYPE STRING,
VKONT TYPE STRING,
CREATE_FROM_D_SEL TYPE STRING,
CREATE_FROM_T_SEL TYPE STRING,
CREATE_TO_D_SEL TYPE STRING,
CREATE_TO_T_SEL TYPE STRING,
LASTTRY_FROM_D_SEL TYPE STRING,
LASTTRY_FROM_T_SEL TYPE STRING,
LASTTRY_TO_D_SEL TYPE STRING,
LASTTRY_TO_T_SEL TYPE STRING,
PREP_ERR_COUNT TYPE STRING,
PREP_ERR_PROC TYPE STRING,
PREP_REV_COUNT TYPE STRING,
PREP_REV_PROC TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
AUGRD TYPE STRING,
AUGRD_TXT TYPE STRING,
BLART TYPE STRING,
BLART_TXT TYPE STRING,
FIKEY TYPE STRING,
ERROR_TXT TYPE STRING,
DISPLAY_LIMIT TYPE STRING,
DISPLAY_LIMIT_X TYPE STRING,
DISPLAY_ALL TYPE STRING,
APPLK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_PREP_ERR_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_FKK_PREP_ERR_DISP_STR-TOUCHED sy-vline 
WA_FKK_PREP_ERR_DISP_STR-STATUS_ICON sy-vline 
WA_FKK_PREP_ERR_DISP_STR-MANDT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-XSUCC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-OPBEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PGUID sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CPUDT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CPUTM sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LUPDD sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LUPDT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LUPDU sy-vline 
WA_FKK_PREP_ERR_DISP_STR-UPDCT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-KORRB sy-vline 
WA_FKK_PREP_ERR_DISP_STR-MSGID sy-vline 
WA_FKK_PREP_ERR_DISP_STR-MSGNO sy-vline 
WA_FKK_PREP_ERR_DISP_STR-MSGVX sy-vline 
WA_FKK_PREP_ERR_DISP_STR-ERRCC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PPACC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PREPR sy-vline 
WA_FKK_PREP_ERR_DISP_STR-GPART sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BETRW sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BETRW_ADD sy-vline 
WA_FKK_PREP_ERR_DISP_STR-WAERS sy-vline 
WA_FKK_PREP_ERR_DISP_STR-WAERS_PP sy-vline 
WA_FKK_PREP_ERR_DISP_STR-REFPK sy-vline 
WA_FKK_PREP_ERR_DISP_STR-RFPCN sy-vline 
WA_FKK_PREP_ERR_DISP_STR-XRVRF sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PPRSN sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PPDOC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CRDRS sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PPNOT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-TUMTH sy-vline 
WA_FKK_PREP_ERR_DISP_STR-TULOC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BKVID sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CRDID sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CGUID sy-vline 
WA_FKK_PREP_ERR_DISP_STR-TUSE1 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CNTU1 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-TUSE2 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CNTU2 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-TUSE3 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CNTU3 sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PPRND sy-vline 
WA_FKK_PREP_ERR_DISP_STR-VKONT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CREATE_FROM_D_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CREATE_FROM_T_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CREATE_TO_D_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-CREATE_TO_T_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LASTTRY_FROM_D_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LASTTRY_FROM_T_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LASTTRY_TO_D_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-LASTTRY_TO_T_SEL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PREP_ERR_COUNT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PREP_ERR_PROC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PREP_REV_COUNT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-PREP_REV_PROC sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BUDAT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BLDAT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-AUGRD sy-vline 
WA_FKK_PREP_ERR_DISP_STR-AUGRD_TXT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BLART sy-vline 
WA_FKK_PREP_ERR_DISP_STR-BLART_TXT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-FIKEY sy-vline 
WA_FKK_PREP_ERR_DISP_STR-ERROR_TXT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-DISPLAY_LIMIT sy-vline 
WA_FKK_PREP_ERR_DISP_STR-DISPLAY_LIMIT_X sy-vline 
WA_FKK_PREP_ERR_DISP_STR-DISPLAY_ALL sy-vline 
WA_FKK_PREP_ERR_DISP_STR-APPLK sy-vline      INTO ld_text SEPARATED BY SPACE.

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