ABAP Select data from SAP table RBKPB into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RBKPB 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 RBKPB. 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 RBKPB 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_RBKPB TYPE STANDARD TABLE OF RBKPB,
      WA_RBKPB TYPE RBKPB,
      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: <RBKPB> TYPE RBKPB.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RBKPB
*  INTO TABLE @DATA(IT_RBKPB2).
*--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_RBKPB INDEX 1 INTO DATA(WA_RBKPB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RBKPB>-MANDT = 1.
<RBKPB>-BELNR = 1.
<RBKPB>-GJAHR = 1.
<RBKPB>-NUMPG = 1.
<RBKPB>-RPZIELN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RBKPB-RPZIELMW, sy-vline,
  WA_RBKPB-DIFFN, sy-vline,
  WA_RBKPB-DIFFMW, sy-vline,
  WA_RBKPB-UBNKMW, sy-vline,
  WA_RBKPB-ANZRPV, sy-vline,
  WA_RBKPB-REPDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RBKPB 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_RBKPB 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_RBKPB INTO WA_RBKPB.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RBKPB-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBKPB-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field GST_PART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RBKPB-GST_PART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBKPB-GST_PART.
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_RBKPB_STR, 
MANDT TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
NUMPG TYPE STRING,
RPZIELN TYPE STRING,
RPZIELMW TYPE STRING,
DIFFN TYPE STRING,
DIFFMW TYPE STRING,
UBNKMW TYPE STRING,
ANZRPV TYPE STRING,
REPDAT TYPE STRING,
REPTIM TYPE STRING,
ANZUNF TYPE STRING,
ANZLIF TYPE STRING,
ANZRPO TYPE STRING,
XKORREKT TYPE STRING,
XNOTIZ TYPE STRING,
ANZLSM TYPE STRING,
LFDATABLI TYPE STRING,
LFDATBISLI TYPE STRING,
LFDATABRT TYPE STRING,
LFDATBISRT TYPE STRING,
XZUORDLI TYPE STRING,
XZUORDRT TYPE STRING,
XBNK TYPE STRING,
XWARE TYPE STRING,
TBTKZ TYPE STRING,
XBEST TYPE STRING,
XLIFS TYPE STRING,
XFRBR TYPE STRING,
XWERK TYPE STRING,
XERFB TYPE STRING,
SELIF TYPE STRING,
BNKSEL TYPE STRING,
XRECHL TYPE STRING,
XRECHR TYPE STRING,
XNEGDIFF TYPE STRING,
XTRAN TYPE STRING,
XTMTRAN TYPE STRING,
XCONTRACT TYPE STRING,
XTM TYPE STRING,
XERFB_NEW TYPE STRING,
RET_DUE_PROP TYPE STRING,
REPART TYPE STRING,
RBSTAT TYPE STRING,
MAKZN TYPE STRING,
XRKUE TYPE STRING,
ESRNR TYPE STRING,
ESRPZ TYPE STRING,
ESRRE TYPE STRING,
QSSHB TYPE STRING,
QSFBT TYPE STRING,
QSSKZ TYPE STRING,
DIEKZ TYPE STRING,
LANDL TYPE STRING,
LZBKZ TYPE STRING,
TXKRS TYPE STRING,
XAVER TYPE STRING,
KZZUORDLI TYPE STRING,
KZZUORDRT TYPE STRING,
KZBNK TYPE STRING,
RCHGART TYPE STRING,
BNLIF TYPE STRING,
LIEFF TYPE STRING,
SMWSKZ1 TYPE STRING,
SMWST1 TYPE STRING,
LIEFF1 TYPE STRING,
MWLIEFF1 TYPE STRING,
MAKZMW1 TYPE STRING,
MWDIFFB1 TYPE STRING,
FWNAV1 TYPE STRING,
MWBNK1 TYPE STRING,
SMWSKZ2 TYPE STRING,
SMWST2 TYPE STRING,
LIEFF2 TYPE STRING,
MWLIEFF2 TYPE STRING,
MAKZMW2 TYPE STRING,
MWDIFFB2 TYPE STRING,
FWNAV2 TYPE STRING,
MWBNK2 TYPE STRING,
SOLLN TYPE STRING,
SOLLB TYPE STRING,
MAKZB TYPE STRING,
LIEFFN TYPE STRING,
DIFFB TYPE STRING,
ZFBDT TYPE STRING,
MONAT TYPE STRING,
ZLSCH TYPE STRING,
PREPAY_AREWR TYPE STRING,
PREPAY_HWAER TYPE STRING,
PREPAY_AREWW TYPE STRING,
PREPAY_WAERS TYPE STRING,
PREPAY_KURSF TYPE STRING,
PREPAY_KUFIX TYPE STRING,
PREPAY_LIFNR TYPE STRING,
GST_PART TYPE STRING,
PLC_SUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RBKPB_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_RBKPB_STR-MANDT sy-vline 
WA_RBKPB_STR-BELNR sy-vline 
WA_RBKPB_STR-GJAHR sy-vline 
WA_RBKPB_STR-NUMPG sy-vline 
WA_RBKPB_STR-RPZIELN sy-vline 
WA_RBKPB_STR-RPZIELMW sy-vline 
WA_RBKPB_STR-DIFFN sy-vline 
WA_RBKPB_STR-DIFFMW sy-vline 
WA_RBKPB_STR-UBNKMW sy-vline 
WA_RBKPB_STR-ANZRPV sy-vline 
WA_RBKPB_STR-REPDAT sy-vline 
WA_RBKPB_STR-REPTIM sy-vline 
WA_RBKPB_STR-ANZUNF sy-vline 
WA_RBKPB_STR-ANZLIF sy-vline 
WA_RBKPB_STR-ANZRPO sy-vline 
WA_RBKPB_STR-XKORREKT sy-vline 
WA_RBKPB_STR-XNOTIZ sy-vline 
WA_RBKPB_STR-ANZLSM sy-vline 
WA_RBKPB_STR-LFDATABLI sy-vline 
WA_RBKPB_STR-LFDATBISLI sy-vline 
WA_RBKPB_STR-LFDATABRT sy-vline 
WA_RBKPB_STR-LFDATBISRT sy-vline 
WA_RBKPB_STR-XZUORDLI sy-vline 
WA_RBKPB_STR-XZUORDRT sy-vline 
WA_RBKPB_STR-XBNK sy-vline 
WA_RBKPB_STR-XWARE sy-vline 
WA_RBKPB_STR-TBTKZ sy-vline 
WA_RBKPB_STR-XBEST sy-vline 
WA_RBKPB_STR-XLIFS sy-vline 
WA_RBKPB_STR-XFRBR sy-vline 
WA_RBKPB_STR-XWERK sy-vline 
WA_RBKPB_STR-XERFB sy-vline 
WA_RBKPB_STR-SELIF sy-vline 
WA_RBKPB_STR-BNKSEL sy-vline 
WA_RBKPB_STR-XRECHL sy-vline 
WA_RBKPB_STR-XRECHR sy-vline 
WA_RBKPB_STR-XNEGDIFF sy-vline 
WA_RBKPB_STR-XTRAN sy-vline 
WA_RBKPB_STR-XTMTRAN sy-vline 
WA_RBKPB_STR-XCONTRACT sy-vline 
WA_RBKPB_STR-XTM sy-vline 
WA_RBKPB_STR-XERFB_NEW sy-vline 
WA_RBKPB_STR-RET_DUE_PROP sy-vline 
WA_RBKPB_STR-REPART sy-vline 
WA_RBKPB_STR-RBSTAT sy-vline 
WA_RBKPB_STR-MAKZN sy-vline 
WA_RBKPB_STR-XRKUE sy-vline 
WA_RBKPB_STR-ESRNR sy-vline 
WA_RBKPB_STR-ESRPZ sy-vline 
WA_RBKPB_STR-ESRRE sy-vline 
WA_RBKPB_STR-QSSHB sy-vline 
WA_RBKPB_STR-QSFBT sy-vline 
WA_RBKPB_STR-QSSKZ sy-vline 
WA_RBKPB_STR-DIEKZ sy-vline 
WA_RBKPB_STR-LANDL sy-vline 
WA_RBKPB_STR-LZBKZ sy-vline 
WA_RBKPB_STR-TXKRS sy-vline 
WA_RBKPB_STR-XAVER sy-vline 
WA_RBKPB_STR-KZZUORDLI sy-vline 
WA_RBKPB_STR-KZZUORDRT sy-vline 
WA_RBKPB_STR-KZBNK sy-vline 
WA_RBKPB_STR-RCHGART sy-vline 
WA_RBKPB_STR-BNLIF sy-vline 
WA_RBKPB_STR-LIEFF sy-vline 
WA_RBKPB_STR-SMWSKZ1 sy-vline 
WA_RBKPB_STR-SMWST1 sy-vline 
WA_RBKPB_STR-LIEFF1 sy-vline 
WA_RBKPB_STR-MWLIEFF1 sy-vline 
WA_RBKPB_STR-MAKZMW1 sy-vline 
WA_RBKPB_STR-MWDIFFB1 sy-vline 
WA_RBKPB_STR-FWNAV1 sy-vline 
WA_RBKPB_STR-MWBNK1 sy-vline 
WA_RBKPB_STR-SMWSKZ2 sy-vline 
WA_RBKPB_STR-SMWST2 sy-vline 
WA_RBKPB_STR-LIEFF2 sy-vline 
WA_RBKPB_STR-MWLIEFF2 sy-vline 
WA_RBKPB_STR-MAKZMW2 sy-vline 
WA_RBKPB_STR-MWDIFFB2 sy-vline 
WA_RBKPB_STR-FWNAV2 sy-vline 
WA_RBKPB_STR-MWBNK2 sy-vline 
WA_RBKPB_STR-SOLLN sy-vline 
WA_RBKPB_STR-SOLLB sy-vline 
WA_RBKPB_STR-MAKZB sy-vline 
WA_RBKPB_STR-LIEFFN sy-vline 
WA_RBKPB_STR-DIFFB sy-vline 
WA_RBKPB_STR-ZFBDT sy-vline 
WA_RBKPB_STR-MONAT sy-vline 
WA_RBKPB_STR-ZLSCH sy-vline 
WA_RBKPB_STR-PREPAY_AREWR sy-vline 
WA_RBKPB_STR-PREPAY_HWAER sy-vline 
WA_RBKPB_STR-PREPAY_AREWW sy-vline 
WA_RBKPB_STR-PREPAY_WAERS sy-vline 
WA_RBKPB_STR-PREPAY_KURSF sy-vline 
WA_RBKPB_STR-PREPAY_KUFIX sy-vline 
WA_RBKPB_STR-PREPAY_LIFNR sy-vline 
WA_RBKPB_STR-GST_PART sy-vline 
WA_RBKPB_STR-PLC_SUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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