ABAP Select data from SAP table /BEV1/RPTZKD_FKAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV1/RPTZKD_FKAT 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 /BEV1/RPTZKD_FKAT. 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 /BEV1/RPTZKD_FKAT 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_/BEV1/RPTZKD_FKAT TYPE STANDARD TABLE OF /BEV1/RPTZKD_FKAT,
      WA_/BEV1/RPTZKD_FKAT TYPE /BEV1/RPTZKD_FKAT,
      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: </BEV1/RPTZKD_FKAT> TYPE /BEV1/RPTZKD_FKAT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV1/RPTZKD_FKAT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV1/RPTZKD_FKAT
  INTO TABLE IT_/BEV1/RPTZKD_FKAT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV1/RPTZKD_FKAT
*  INTO TABLE @DATA(IT_/BEV1/RPTZKD_FKAT2).
*--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_/BEV1/RPTZKD_FKAT INDEX 1 INTO DATA(WA_/BEV1/RPTZKD_FKAT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV1/RPTZKD_FKAT ASSIGNING </BEV1/RPTZKD_FKAT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV1/RPTZKD_FKAT>-MANDT = 1.
</BEV1/RPTZKD_FKAT>-LAND = 1.
</BEV1/RPTZKD_FKAT>-TZONE = 1.
</BEV1/RPTZKD_FKAT>-STOPNR = 1.
</BEV1/RPTZKD_FKAT>-KUNNR = 1.

ENDLOOP.

LOOP AT IT_/BEV1/RPTZKD_FKAT INTO WA_/BEV1/RPTZKD_FKAT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV1/RPTZKD_FKAT-/BEV1/RPDFD, sy-vline,
  WA_/BEV1/RPTZKD_FKAT-/BEV1/RPFD, sy-vline,
  WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD1, sy-vline,
  WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD2, sy-vline,
  WA_/BEV1/RPTZKD_FKAT-VTEXT, sy-vline,
  WA_/BEV1/RPTZKD_FKAT-RPERRDD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV1/RPTZKD_FKAT 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_/BEV1/RPTZKD_FKAT 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_/BEV1/RPTZKD_FKAT INTO WA_/BEV1/RPTZKD_FKAT.


*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 KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field /BEV1/RPDFD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-/BEV1/RPDFD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-/BEV1/RPDFD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field /BEV1/RPFD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-/BEV1/RPFD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-/BEV1/RPFD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field /BEV1/RPAD1
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field /BEV1/RPAD2
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-/BEV1/RPAD2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPERRDD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPERRDD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPERRDD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPMANDD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPMANDD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPMANDD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPVWDFD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPVWDFD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPVWDFD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPVWFD
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPVWFD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPVWFD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPVWAD1
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPVWAD1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPVWAD1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field RPVWAD2
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/RPTZKD_FKAT-RPVWAD2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/RPTZKD_FKAT-RPVWAD2.
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_/BEV1/RPTZKD_FKAT_STR, 
MANDT TYPE STRING,
LAND TYPE STRING,
TZONE TYPE STRING,
STOPNR TYPE STRING,
KUNNR TYPE STRING,
/BEV1/RPDFD TYPE STRING,
/BEV1/RPFD TYPE STRING,
/BEV1/RPAD1 TYPE STRING,
/BEV1/RPAD2 TYPE STRING,
VTEXT TYPE STRING,
RPERRDD TYPE STRING,
RPMANDD TYPE STRING,
RPVWDFD TYPE STRING,
RPVWFD TYPE STRING,
RPVWAD1 TYPE STRING,
RPVWAD2 TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
ORT01 TYPE STRING,
PSTLZ TYPE STRING,
REGIO TYPE STRING,
SORTL TYPE STRING,
STRAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV1/RPTZKD_FKAT_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_/BEV1/RPTZKD_FKAT_STR-MANDT sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-LAND sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-TZONE sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-STOPNR sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-KUNNR sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-/BEV1/RPDFD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-/BEV1/RPFD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-/BEV1/RPAD1 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-/BEV1/RPAD2 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-VTEXT sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPERRDD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPMANDD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPVWDFD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPVWFD sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPVWAD1 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-RPVWAD2 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-NAME1 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-NAME2 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-ORT01 sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-PSTLZ sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-REGIO sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-SORTL sy-vline 
WA_/BEV1/RPTZKD_FKAT_STR-STRAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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