ABAP Select data from SAP table RPBTDNZ0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPBTDNZ0 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 RPBTDNZ0. 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 RPBTDNZ0 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_RPBTDNZ0 TYPE STANDARD TABLE OF RPBTDNZ0,
      WA_RPBTDNZ0 TYPE RPBTDNZ0,
      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: <RPBTDNZ0> TYPE RPBTDNZ0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPBTDNZ0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPBTDNZ0
  INTO TABLE IT_RPBTDNZ0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPBTDNZ0
*  INTO TABLE @DATA(IT_RPBTDNZ02).
*--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_RPBTDNZ0 INDEX 1 INTO DATA(WA_RPBTDNZ02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPBTDNZ0 ASSIGNING <RPBTDNZ0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPBTDNZ0>-BTZNR = 1.
<RPBTDNZ0>-NAME = 1.
<RPBTDNZ0>-PPBEG = 1.
<RPBTDNZ0>-PPEND = 1.
<RPBTDNZ0>-PPAYD = 1.

ENDLOOP.

LOOP AT IT_RPBTDNZ0 INTO WA_RPBTDNZ0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPBTDNZ0-PERNR, sy-vline,
  WA_RPBTDNZ0-LGART, sy-vline,
  WA_RPBTDNZ0-LGTXT, sy-vline,
  WA_RPBTDNZ0-BETRG, sy-vline,
  WA_RPBTDNZ0-ZLSCH, sy-vline,
  WA_RPBTDNZ0-EMFTX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPBTDNZ0 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_RPBTDNZ0 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_RPBTDNZ0 INTO WA_RPBTDNZ0.


*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_RPBTDNZ0-ESRRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPBTDNZ0-ESRRE.
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_RPBTDNZ0_STR, 
BTZNR TYPE STRING,
NAME TYPE STRING,
PPBEG TYPE STRING,
PPEND TYPE STRING,
PPAYD TYPE STRING,
PERNR TYPE STRING,
LGART TYPE STRING,
LGTXT TYPE STRING,
BETRG TYPE STRING,
ZLSCH TYPE STRING,
EMFTX TYPE STRING,
BKPLZ TYPE STRING,
BKORT TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
EMFSL TYPE STRING,
ZWECK TYPE STRING,
VBAFM TYPE STRING,
DTADT TYPE STRING,
DTATI TYPE STRING,
DTAID TYPE STRING,
BTTYP TYPE STRING,
PSKTO TYPE STRING,
WAERS TYPE STRING,
STRAS TYPE STRING,
BKONT TYPE STRING,
FBETR TYPE STRING,
STATE TYPE STRING,
ESRNR TYPE STRING,
ESRRE TYPE STRING,
ESRPZ TYPE STRING,
BKREF TYPE STRING,
CTRNS TYPE STRING,
IBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPBTDNZ0_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_RPBTDNZ0_STR-BTZNR sy-vline 
WA_RPBTDNZ0_STR-NAME sy-vline 
WA_RPBTDNZ0_STR-PPBEG sy-vline 
WA_RPBTDNZ0_STR-PPEND sy-vline 
WA_RPBTDNZ0_STR-PPAYD sy-vline 
WA_RPBTDNZ0_STR-PERNR sy-vline 
WA_RPBTDNZ0_STR-LGART sy-vline 
WA_RPBTDNZ0_STR-LGTXT sy-vline 
WA_RPBTDNZ0_STR-BETRG sy-vline 
WA_RPBTDNZ0_STR-ZLSCH sy-vline 
WA_RPBTDNZ0_STR-EMFTX sy-vline 
WA_RPBTDNZ0_STR-BKPLZ sy-vline 
WA_RPBTDNZ0_STR-BKORT sy-vline 
WA_RPBTDNZ0_STR-BANKS sy-vline 
WA_RPBTDNZ0_STR-BANKL sy-vline 
WA_RPBTDNZ0_STR-BANKN sy-vline 
WA_RPBTDNZ0_STR-EMFSL sy-vline 
WA_RPBTDNZ0_STR-ZWECK sy-vline 
WA_RPBTDNZ0_STR-VBAFM sy-vline 
WA_RPBTDNZ0_STR-DTADT sy-vline 
WA_RPBTDNZ0_STR-DTATI sy-vline 
WA_RPBTDNZ0_STR-DTAID sy-vline 
WA_RPBTDNZ0_STR-BTTYP sy-vline 
WA_RPBTDNZ0_STR-PSKTO sy-vline 
WA_RPBTDNZ0_STR-WAERS sy-vline 
WA_RPBTDNZ0_STR-STRAS sy-vline 
WA_RPBTDNZ0_STR-BKONT sy-vline 
WA_RPBTDNZ0_STR-FBETR sy-vline 
WA_RPBTDNZ0_STR-STATE sy-vline 
WA_RPBTDNZ0_STR-ESRNR sy-vline 
WA_RPBTDNZ0_STR-ESRRE sy-vline 
WA_RPBTDNZ0_STR-ESRPZ sy-vline 
WA_RPBTDNZ0_STR-BKREF sy-vline 
WA_RPBTDNZ0_STR-CTRNS sy-vline 
WA_RPBTDNZ0_STR-IBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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