ABAP Select data from SAP table FISV_BKPF_USR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FISV_BKPF_USR
*  INTO TABLE @DATA(IT_FISV_BKPF_USR2).
*--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_FISV_BKPF_USR INDEX 1 INTO DATA(WA_FISV_BKPF_USR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FISV_BKPF_USR>-MANDT = 1.
<FISV_BKPF_USR>-BUKRS = 1.
<FISV_BKPF_USR>-BELNR = 1.
<FISV_BKPF_USR>-GJAHR = 1.
<FISV_BKPF_USR>-BLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FISV_BKPF_USR-BUDAT, sy-vline,
  WA_FISV_BKPF_USR-MONAT, sy-vline,
  WA_FISV_BKPF_USR-CPUDT, sy-vline,
  WA_FISV_BKPF_USR-CPUTM, sy-vline,
  WA_FISV_BKPF_USR-AEDAT, sy-vline,
  WA_FISV_BKPF_USR-UPDDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FISV_BKPF_USR 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_FISV_BKPF_USR 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_FISV_BKPF_USR INTO WA_FISV_BKPF_USR.


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

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

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

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

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

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FISV_BKPF_USR-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISV_BKPF_USR-KURSF.
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_FISV_BKPF_USR_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
AEDAT TYPE STRING,
UPDDT TYPE STRING,
WWERT TYPE STRING,
USNAM TYPE STRING,
TCODE TYPE STRING,
BVORG TYPE STRING,
XBLNR TYPE STRING,
DBBLG TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
BKTXT TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
XREVERSAL TYPE STRING,
LDGRP TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LAST TYPE STRING,
NAME_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FISV_BKPF_USR_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_FISV_BKPF_USR_STR-MANDT sy-vline 
WA_FISV_BKPF_USR_STR-BUKRS sy-vline 
WA_FISV_BKPF_USR_STR-BELNR sy-vline 
WA_FISV_BKPF_USR_STR-GJAHR sy-vline 
WA_FISV_BKPF_USR_STR-BLDAT sy-vline 
WA_FISV_BKPF_USR_STR-BUDAT sy-vline 
WA_FISV_BKPF_USR_STR-MONAT sy-vline 
WA_FISV_BKPF_USR_STR-CPUDT sy-vline 
WA_FISV_BKPF_USR_STR-CPUTM sy-vline 
WA_FISV_BKPF_USR_STR-AEDAT sy-vline 
WA_FISV_BKPF_USR_STR-UPDDT sy-vline 
WA_FISV_BKPF_USR_STR-WWERT sy-vline 
WA_FISV_BKPF_USR_STR-USNAM sy-vline 
WA_FISV_BKPF_USR_STR-TCODE sy-vline 
WA_FISV_BKPF_USR_STR-BVORG sy-vline 
WA_FISV_BKPF_USR_STR-XBLNR sy-vline 
WA_FISV_BKPF_USR_STR-DBBLG sy-vline 
WA_FISV_BKPF_USR_STR-STBLG sy-vline 
WA_FISV_BKPF_USR_STR-STJAH sy-vline 
WA_FISV_BKPF_USR_STR-BKTXT sy-vline 
WA_FISV_BKPF_USR_STR-WAERS sy-vline 
WA_FISV_BKPF_USR_STR-KURSF sy-vline 
WA_FISV_BKPF_USR_STR-AWTYP sy-vline 
WA_FISV_BKPF_USR_STR-AWKEY sy-vline 
WA_FISV_BKPF_USR_STR-XREVERSAL sy-vline 
WA_FISV_BKPF_USR_STR-LDGRP sy-vline 
WA_FISV_BKPF_USR_STR-NAME_FIRST sy-vline 
WA_FISV_BKPF_USR_STR-NAME_LAST sy-vline 
WA_FISV_BKPF_USR_STR-NAME_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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