ABAP Select data from SAP table FMEF_KBLK_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMEF_KBLK_UPD
*  INTO TABLE @DATA(IT_FMEF_KBLK_UPD2).
*--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_FMEF_KBLK_UPD INDEX 1 INTO DATA(WA_FMEF_KBLK_UPD2).


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

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

ENDLOOP.

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

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


*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_FMEF_KBLK_UPD-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field PFM_CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-PFM_CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-PFM_CONTRACT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU152, internal->external for field CRWRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRWRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRWRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRWMWST
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRWMWST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRWMWST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRNETBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRNETBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRNETBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRDMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRDMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRDMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRMWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRMWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRMWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU152, internal->external for field CRNETDMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU152_OUTPUT'
  EXPORTING
    input =                      WA_FMEF_KBLK_UPD-CRNETDMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMEF_KBLK_UPD-CRNETDMBTR.
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_FMEF_KBLK_UPD_STR, 
KBLK TYPE STRING,
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,
FMRE_XBLNR2 TYPE STRING,
FMRE_XBLNR3 TYPE STRING,
PSOEF_MLTYR TYPE STRING,
LASTCHANGEDATETIME 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,
XDATE TYPE STRING,
FMRO_TEMPLATE TYPE STRING,
REFT TYPE STRING,
MODA TYPE STRING,
PFM_FOA TYPE STRING,
PFM_SPEC TYPE STRING,
PFM_CONTRACT TYPE STRING,
/SAPF15/STATUS 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,
FLG_INSERT TYPE STRING,
FLG_WAS_PARKED TYPE STRING,
FLG_NO_UPD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMEF_KBLK_UPD_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_FMEF_KBLK_UPD_STR-KBLK sy-vline 
WA_FMEF_KBLK_UPD_STR-MANDT sy-vline 
WA_FMEF_KBLK_UPD_STR-BELNR sy-vline 
WA_FMEF_KBLK_UPD_STR-KVRGNG sy-vline 
WA_FMEF_KBLK_UPD_STR-KERFAS sy-vline 
WA_FMEF_KBLK_UPD_STR-KERDAT sy-vline 
WA_FMEF_KBLK_UPD_STR-KAENDE sy-vline 
WA_FMEF_KBLK_UPD_STR-KAEDAT sy-vline 
WA_FMEF_KBLK_UPD_STR-BLDAT sy-vline 
WA_FMEF_KBLK_UPD_STR-KTEXT sy-vline 
WA_FMEF_KBLK_UPD_STR-XBLNR sy-vline 
WA_FMEF_KBLK_UPD_STR-BLART sy-vline 
WA_FMEF_KBLK_UPD_STR-BLTYP sy-vline 
WA_FMEF_KBLK_UPD_STR-VARNR sy-vline 
WA_FMEF_KBLK_UPD_STR-WAERS sy-vline 
WA_FMEF_KBLK_UPD_STR-KLOEKZ sy-vline 
WA_FMEF_KBLK_UPD_STR-BUKRS sy-vline 
WA_FMEF_KBLK_UPD_STR-KOKRS sy-vline 
WA_FMEF_KBLK_UPD_STR-FIKRS sy-vline 
WA_FMEF_KBLK_UPD_STR-LTEXT sy-vline 
WA_FMEF_KBLK_UPD_STR-RBELNR sy-vline 
WA_FMEF_KBLK_UPD_STR-LOTKZ sy-vline 
WA_FMEF_KBLK_UPD_STR-HWAER sy-vline 
WA_FMEF_KBLK_UPD_STR-KURSF sy-vline 
WA_FMEF_KBLK_UPD_STR-WWERT sy-vline 
WA_FMEF_KBLK_UPD_STR-NEGVAL sy-vline 
WA_FMEF_KBLK_UPD_STR-BUDAT sy-vline 
WA_FMEF_KBLK_UPD_STR-FMRE_XBLNR2 sy-vline 
WA_FMEF_KBLK_UPD_STR-FMRE_XBLNR3 sy-vline 
WA_FMEF_KBLK_UPD_STR-PSOEF_MLTYR sy-vline 
WA_FMEF_KBLK_UPD_STR-LASTCHANGEDATETIME sy-vline 
WA_FMEF_KBLK_UPD_STR-BLKKZ sy-vline 
WA_FMEF_KBLK_UPD_STR-FEXEC sy-vline 
WA_FMEF_KBLK_UPD_STR-WKAPK sy-vline 
WA_FMEF_KBLK_UPD_STR-WKAOK sy-vline 
WA_FMEF_KBLK_UPD_STR-ADDITIV_CONS_LOG sy-vline 
WA_FMEF_KBLK_UPD_STR-FMREASON sy-vline 
WA_FMEF_KBLK_UPD_STR-WF_START sy-vline 
WA_FMEF_KBLK_UPD_STR-ORGVG sy-vline 
WA_FMEF_KBLK_UPD_STR-KURSUK sy-vline 
WA_FMEF_KBLK_UPD_STR-DATUK sy-vline 
WA_FMEF_KBLK_UPD_STR-NPRBUDGET sy-vline 
WA_FMEF_KBLK_UPD_STR-PAYBUDGET sy-vline 
WA_FMEF_KBLK_UPD_STR-COMBUDGET sy-vline 
WA_FMEF_KBLK_UPD_STR-DOCLOCK sy-vline 
WA_FMEF_KBLK_UPD_STR-PMDOCS sy-vline 
WA_FMEF_KBLK_UPD_STR-RFBLNR sy-vline 
WA_FMEF_KBLK_UPD_STR-RFORG sy-vline 
WA_FMEF_KBLK_UPD_STR-RFTYP sy-vline 
WA_FMEF_KBLK_UPD_STR-RFSYS sy-vline 
WA_FMEF_KBLK_UPD_STR-MVSTAT sy-vline 
WA_FMEF_KBLK_UPD_STR-INV_CONS sy-vline 
WA_FMEF_KBLK_UPD_STR-XDATE sy-vline 
WA_FMEF_KBLK_UPD_STR-FMRO_TEMPLATE sy-vline 
WA_FMEF_KBLK_UPD_STR-REFT sy-vline 
WA_FMEF_KBLK_UPD_STR-MODA sy-vline 
WA_FMEF_KBLK_UPD_STR-PFM_FOA sy-vline 
WA_FMEF_KBLK_UPD_STR-PFM_SPEC sy-vline 
WA_FMEF_KBLK_UPD_STR-PFM_CONTRACT sy-vline 
WA_FMEF_KBLK_UPD_STR-/SAPF15/STATUS sy-vline 
WA_FMEF_KBLK_UPD_STR-CCINS sy-vline 
WA_FMEF_KBLK_UPD_STR-CCNUM sy-vline 
WA_FMEF_KBLK_UPD_STR-CCNAME sy-vline 
WA_FMEF_KBLK_UPD_STR-CCTYP sy-vline 
WA_FMEF_KBLK_UPD_STR-CRPUDATE sy-vline 
WA_FMEF_KBLK_UPD_STR-CRAUTHNO sy-vline 
WA_FMEF_KBLK_UPD_STR-CRSUPPLIER sy-vline 
WA_FMEF_KBLK_UPD_STR-CRWRBTR sy-vline 
WA_FMEF_KBLK_UPD_STR-CRMWSKZ sy-vline 
WA_FMEF_KBLK_UPD_STR-CRTXJCD sy-vline 
WA_FMEF_KBLK_UPD_STR-CRWMWST sy-vline 
WA_FMEF_KBLK_UPD_STR-CRCALCTAX sy-vline 
WA_FMEF_KBLK_UPD_STR-CRNETBTR sy-vline 
WA_FMEF_KBLK_UPD_STR-CRDMBTR sy-vline 
WA_FMEF_KBLK_UPD_STR-CRMWSTS sy-vline 
WA_FMEF_KBLK_UPD_STR-CRNETDMBTR sy-vline 
WA_FMEF_KBLK_UPD_STR-CRMATGOT sy-vline 
WA_FMEF_KBLK_UPD_STR-CREATE_RES sy-vline 
WA_FMEF_KBLK_UPD_STR-CRMATCH sy-vline 
WA_FMEF_KBLK_UPD_STR-CRMATCHDT sy-vline 
WA_FMEF_KBLK_UPD_STR-CRSUPNAM sy-vline 
WA_FMEF_KBLK_UPD_STR-FLG_INSERT sy-vline 
WA_FMEF_KBLK_UPD_STR-FLG_WAS_PARKED sy-vline 
WA_FMEF_KBLK_UPD_STR-FLG_NO_UPD sy-vline      INTO ld_text SEPARATED BY SPACE.

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