ABAP Select data from SAP table RBKP_FI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RBKP_FI
*  INTO TABLE @DATA(IT_RBKP_FI2).
*--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_RBKP_FI INDEX 1 INTO DATA(WA_RBKP_FI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RBKP_FI>-ESRNR = 1.
<RBKP_FI>-ESRPZ = 1.
<RBKP_FI>-ESRRE = 1.
<RBKP_FI>-QSSHB = 1.
<RBKP_FI>-QSFBT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RBKP_FI-QSSKZ, sy-vline,
  WA_RBKP_FI-DIEKZ, sy-vline,
  WA_RBKP_FI-LANDL, sy-vline,
  WA_RBKP_FI-LZBKZ, sy-vline,
  WA_RBKP_FI-TXKRS, sy-vline,
  WA_RBKP_FI-CTXKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RBKP_FI 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_RBKP_FI 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_RBKP_FI INTO WA_RBKP_FI.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RBKP_FI-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBKP_FI-HKONT.
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_RBKP_FI_STR, 
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,
CTXKRS TYPE STRING,
EMPFB TYPE STRING,
BVTYP TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
ZUONR TYPE STRING,
ZLSPR TYPE STRING,
ZLSCH TYPE STRING,
ZFBDT TYPE STRING,
KIDNO TYPE STRING,
REBZG TYPE STRING,
REBZJ TYPE STRING,
XINVE TYPE STRING,
EGMLD TYPE STRING,
XEGDR TYPE STRING,
VATDATE TYPE STRING,
HKONT TYPE STRING,
MONAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RBKP_FI_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_RBKP_FI_STR-ESRNR sy-vline 
WA_RBKP_FI_STR-ESRPZ sy-vline 
WA_RBKP_FI_STR-ESRRE sy-vline 
WA_RBKP_FI_STR-QSSHB sy-vline 
WA_RBKP_FI_STR-QSFBT sy-vline 
WA_RBKP_FI_STR-QSSKZ sy-vline 
WA_RBKP_FI_STR-DIEKZ sy-vline 
WA_RBKP_FI_STR-LANDL sy-vline 
WA_RBKP_FI_STR-LZBKZ sy-vline 
WA_RBKP_FI_STR-TXKRS sy-vline 
WA_RBKP_FI_STR-CTXKRS sy-vline 
WA_RBKP_FI_STR-EMPFB sy-vline 
WA_RBKP_FI_STR-BVTYP sy-vline 
WA_RBKP_FI_STR-HBKID sy-vline 
WA_RBKP_FI_STR-HKTID sy-vline 
WA_RBKP_FI_STR-ZUONR sy-vline 
WA_RBKP_FI_STR-ZLSPR sy-vline 
WA_RBKP_FI_STR-ZLSCH sy-vline 
WA_RBKP_FI_STR-ZFBDT sy-vline 
WA_RBKP_FI_STR-KIDNO sy-vline 
WA_RBKP_FI_STR-REBZG sy-vline 
WA_RBKP_FI_STR-REBZJ sy-vline 
WA_RBKP_FI_STR-XINVE sy-vline 
WA_RBKP_FI_STR-EGMLD sy-vline 
WA_RBKP_FI_STR-XEGDR sy-vline 
WA_RBKP_FI_STR-VATDATE sy-vline 
WA_RBKP_FI_STR-HKONT sy-vline 
WA_RBKP_FI_STR-MONAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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