ABAP Select data from SAP table IRBKPB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IRBKPB
*  INTO TABLE @DATA(IT_IRBKPB2).
*--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_IRBKPB INDEX 1 INTO DATA(WA_IRBKPB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IRBKPB>-LNAME1 = 1.
<IRBKPB>-XRKUE = 1.
<IRBKPB>-TAKZPB = 1.
<IRBKPB>-TAKZPP = 1.
<IRBKPB>-TAKZNB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IRBKPB-TAKZNP, sy-vline,
  WA_IRBKPB-TRKPB, sy-vline,
  WA_IRBKPB-TRKPP, sy-vline,
  WA_IRBKPB-XLOCK, sy-vline,
  WA_IRBKPB-XCHANGE, sy-vline,
  WA_IRBKPB-XKPFCHG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IRBKPB 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_IRBKPB 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_IRBKPB INTO WA_IRBKPB.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IRBKPB_STR, 
LNAME1 TYPE STRING,
XRKUE TYPE STRING,
TAKZPB TYPE STRING,
TAKZPP TYPE STRING,
TAKZNB TYPE STRING,
TAKZNP TYPE STRING,
TRKPB TYPE STRING,
TRKPP TYPE STRING,
XLOCK TYPE STRING,
XCHANGE TYPE STRING,
XKPFCHG TYPE STRING,
XKONCHG TYPE STRING,
XPOSCHG TYPE STRING,
XERL TYPE STRING,
XERLALT TYPE STRING,
REPARTALT TYPE STRING,
RBSTATALT TYPE STRING,
ANZRPVALT TYPE STRING,
MARKE TYPE STRING,
SKTODAT TYPE STRING,
XRECHC TYPE STRING,
XMANRK TYPE STRING,
XUNFEH TYPE STRING,
AMPEL TYPE STRING,
AGGR_LIST_VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IRBKPB_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_IRBKPB_STR-LNAME1 sy-vline 
WA_IRBKPB_STR-XRKUE sy-vline 
WA_IRBKPB_STR-TAKZPB sy-vline 
WA_IRBKPB_STR-TAKZPP sy-vline 
WA_IRBKPB_STR-TAKZNB sy-vline 
WA_IRBKPB_STR-TAKZNP sy-vline 
WA_IRBKPB_STR-TRKPB sy-vline 
WA_IRBKPB_STR-TRKPP sy-vline 
WA_IRBKPB_STR-XLOCK sy-vline 
WA_IRBKPB_STR-XCHANGE sy-vline 
WA_IRBKPB_STR-XKPFCHG sy-vline 
WA_IRBKPB_STR-XKONCHG sy-vline 
WA_IRBKPB_STR-XPOSCHG sy-vline 
WA_IRBKPB_STR-XERL sy-vline 
WA_IRBKPB_STR-XERLALT sy-vline 
WA_IRBKPB_STR-REPARTALT sy-vline 
WA_IRBKPB_STR-RBSTATALT sy-vline 
WA_IRBKPB_STR-ANZRPVALT sy-vline 
WA_IRBKPB_STR-MARKE sy-vline 
WA_IRBKPB_STR-SKTODAT sy-vline 
WA_IRBKPB_STR-XRECHC sy-vline 
WA_IRBKPB_STR-XMANRK sy-vline 
WA_IRBKPB_STR-XUNFEH sy-vline 
WA_IRBKPB_STR-AMPEL sy-vline 
WA_IRBKPB_STR-AGGR_LIST_VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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