ABAP Select data from SAP table FMPPS_EF_KBLK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMPPS_EF_KBLK
*  INTO TABLE @DATA(IT_FMPPS_EF_KBLK2).
*--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_FMPPS_EF_KBLK INDEX 1 INTO DATA(WA_FMPPS_EF_KBLK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMPPS_EF_KBLK>-MANDT = 1.
<FMPPS_EF_KBLK>-BELNR = 1.
<FMPPS_EF_KBLK>-KVRGNG = 1.
<FMPPS_EF_KBLK>-KERFAS = 1.
<FMPPS_EF_KBLK>-KERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMPPS_EF_KBLK-KAENDE, sy-vline,
  WA_FMPPS_EF_KBLK-KAEDAT, sy-vline,
  WA_FMPPS_EF_KBLK-BLDAT, sy-vline,
  WA_FMPPS_EF_KBLK-KTEXT, sy-vline,
  WA_FMPPS_EF_KBLK-XBLNR, sy-vline,
  WA_FMPPS_EF_KBLK-BLART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMPPS_EF_KBLK 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_FMPPS_EF_KBLK 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_FMPPS_EF_KBLK INTO WA_FMPPS_EF_KBLK.


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

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

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

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FMPPS_EF_KBLK-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPPS_EF_KBLK-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSUK
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FMPPS_EF_KBLK-KURSUK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPPS_EF_KBLK-KURSUK.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CRSUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPPS_EF_KBLK-CRSUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPPS_EF_KBLK-CRSUPPLIER.
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_FMPPS_EF_KBLK_STR, 
MANDT TYPE STRING,
BELNR TYPE STRING,
KVRGNG TYPE STRING,
KERFAS TYPE STRING,
KERDAT TYPE STRING,
KAENDE TYPE STRING,
KAEDAT TYPE STRING,
BLDAT TYPE STRING,
KTEXT TYPE STRING,
XBLNR TYPE STRING,
BLART TYPE STRING,
BLTYP TYPE STRING,
VARNR TYPE STRING,
WAERS TYPE STRING,
KLOEKZ TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
FIKRS TYPE STRING,
LTEXT TYPE STRING,
RBELNR TYPE STRING,
LOTKZ TYPE STRING,
HWAER TYPE STRING,
KURSF TYPE STRING,
WWERT TYPE STRING,
NEGVAL TYPE STRING,
BUDAT TYPE STRING,
BLKKZ TYPE STRING,
FEXEC TYPE STRING,
WKAPK TYPE STRING,
WKAOK TYPE STRING,
ADDITIV_CONS_LOG TYPE STRING,
FMREASON TYPE STRING,
WF_START TYPE STRING,
ORGVG TYPE STRING,
KURSUK TYPE STRING,
DATUK TYPE STRING,
NPRBUDGET TYPE STRING,
PAYBUDGET TYPE STRING,
COMBUDGET TYPE STRING,
DOCLOCK TYPE STRING,
PMDOCS TYPE STRING,
RFBLNR TYPE STRING,
RFORG TYPE STRING,
RFTYP TYPE STRING,
RFSYS TYPE STRING,
MVSTAT TYPE STRING,
INV_CONS TYPE STRING,
FMRO_TEMPLATE TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CCNAME TYPE STRING,
CCTYP TYPE STRING,
CRPUDATE TYPE STRING,
CRAUTHNO TYPE STRING,
CRSUPPLIER TYPE STRING,
CRWRBTR TYPE STRING,
CRMWSKZ TYPE STRING,
CRTXJCD TYPE STRING,
CRWMWST TYPE STRING,
CRCALCTAX TYPE STRING,
CRNETBTR TYPE STRING,
CRDMBTR TYPE STRING,
CRMWSTS TYPE STRING,
CRNETDMBTR TYPE STRING,
CRMATGOT TYPE STRING,
CREATE_RES TYPE STRING,
CRMATCH TYPE STRING,
CRMATCHDT TYPE STRING,
CRSUPNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMPPS_EF_KBLK_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_FMPPS_EF_KBLK_STR-MANDT sy-vline 
WA_FMPPS_EF_KBLK_STR-BELNR sy-vline 
WA_FMPPS_EF_KBLK_STR-KVRGNG sy-vline 
WA_FMPPS_EF_KBLK_STR-KERFAS sy-vline 
WA_FMPPS_EF_KBLK_STR-KERDAT sy-vline 
WA_FMPPS_EF_KBLK_STR-KAENDE sy-vline 
WA_FMPPS_EF_KBLK_STR-KAEDAT sy-vline 
WA_FMPPS_EF_KBLK_STR-BLDAT sy-vline 
WA_FMPPS_EF_KBLK_STR-KTEXT sy-vline 
WA_FMPPS_EF_KBLK_STR-XBLNR sy-vline 
WA_FMPPS_EF_KBLK_STR-BLART sy-vline 
WA_FMPPS_EF_KBLK_STR-BLTYP sy-vline 
WA_FMPPS_EF_KBLK_STR-VARNR sy-vline 
WA_FMPPS_EF_KBLK_STR-WAERS sy-vline 
WA_FMPPS_EF_KBLK_STR-KLOEKZ sy-vline 
WA_FMPPS_EF_KBLK_STR-BUKRS sy-vline 
WA_FMPPS_EF_KBLK_STR-KOKRS sy-vline 
WA_FMPPS_EF_KBLK_STR-FIKRS sy-vline 
WA_FMPPS_EF_KBLK_STR-LTEXT sy-vline 
WA_FMPPS_EF_KBLK_STR-RBELNR sy-vline 
WA_FMPPS_EF_KBLK_STR-LOTKZ sy-vline 
WA_FMPPS_EF_KBLK_STR-HWAER sy-vline 
WA_FMPPS_EF_KBLK_STR-KURSF sy-vline 
WA_FMPPS_EF_KBLK_STR-WWERT sy-vline 
WA_FMPPS_EF_KBLK_STR-NEGVAL sy-vline 
WA_FMPPS_EF_KBLK_STR-BUDAT sy-vline 
WA_FMPPS_EF_KBLK_STR-BLKKZ sy-vline 
WA_FMPPS_EF_KBLK_STR-FEXEC sy-vline 
WA_FMPPS_EF_KBLK_STR-WKAPK sy-vline 
WA_FMPPS_EF_KBLK_STR-WKAOK sy-vline 
WA_FMPPS_EF_KBLK_STR-ADDITIV_CONS_LOG sy-vline 
WA_FMPPS_EF_KBLK_STR-FMREASON sy-vline 
WA_FMPPS_EF_KBLK_STR-WF_START sy-vline 
WA_FMPPS_EF_KBLK_STR-ORGVG sy-vline 
WA_FMPPS_EF_KBLK_STR-KURSUK sy-vline 
WA_FMPPS_EF_KBLK_STR-DATUK sy-vline 
WA_FMPPS_EF_KBLK_STR-NPRBUDGET sy-vline 
WA_FMPPS_EF_KBLK_STR-PAYBUDGET sy-vline 
WA_FMPPS_EF_KBLK_STR-COMBUDGET sy-vline 
WA_FMPPS_EF_KBLK_STR-DOCLOCK sy-vline 
WA_FMPPS_EF_KBLK_STR-PMDOCS sy-vline 
WA_FMPPS_EF_KBLK_STR-RFBLNR sy-vline 
WA_FMPPS_EF_KBLK_STR-RFORG sy-vline 
WA_FMPPS_EF_KBLK_STR-RFTYP sy-vline 
WA_FMPPS_EF_KBLK_STR-RFSYS sy-vline 
WA_FMPPS_EF_KBLK_STR-MVSTAT sy-vline 
WA_FMPPS_EF_KBLK_STR-INV_CONS sy-vline 
WA_FMPPS_EF_KBLK_STR-FMRO_TEMPLATE sy-vline 
WA_FMPPS_EF_KBLK_STR-CCINS sy-vline 
WA_FMPPS_EF_KBLK_STR-CCNUM sy-vline 
WA_FMPPS_EF_KBLK_STR-CCNAME sy-vline 
WA_FMPPS_EF_KBLK_STR-CCTYP sy-vline 
WA_FMPPS_EF_KBLK_STR-CRPUDATE sy-vline 
WA_FMPPS_EF_KBLK_STR-CRAUTHNO sy-vline 
WA_FMPPS_EF_KBLK_STR-CRSUPPLIER sy-vline 
WA_FMPPS_EF_KBLK_STR-CRWRBTR sy-vline 
WA_FMPPS_EF_KBLK_STR-CRMWSKZ sy-vline 
WA_FMPPS_EF_KBLK_STR-CRTXJCD sy-vline 
WA_FMPPS_EF_KBLK_STR-CRWMWST sy-vline 
WA_FMPPS_EF_KBLK_STR-CRCALCTAX sy-vline 
WA_FMPPS_EF_KBLK_STR-CRNETBTR sy-vline 
WA_FMPPS_EF_KBLK_STR-CRDMBTR sy-vline 
WA_FMPPS_EF_KBLK_STR-CRMWSTS sy-vline 
WA_FMPPS_EF_KBLK_STR-CRNETDMBTR sy-vline 
WA_FMPPS_EF_KBLK_STR-CRMATGOT sy-vline 
WA_FMPPS_EF_KBLK_STR-CREATE_RES sy-vline 
WA_FMPPS_EF_KBLK_STR-CRMATCH sy-vline 
WA_FMPPS_EF_KBLK_STR-CRMATCHDT sy-vline 
WA_FMPPS_EF_KBLK_STR-CRSUPNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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