ABAP Select data from SAP table FKKBIX_DISC_BIT2KEY_BASGR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKBIX_DISC_BIT2KEY_BASGR 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 FKKBIX_DISC_BIT2KEY_BASGR. 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 FKKBIX_DISC_BIT2KEY_BASGR 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_FKKBIX_DISC_BIT2KEY_BASGR TYPE STANDARD TABLE OF FKKBIX_DISC_BIT2KEY_BASGR,
      WA_FKKBIX_DISC_BIT2KEY_BASGR TYPE FKKBIX_DISC_BIT2KEY_BASGR,
      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: <FKKBIX_DISC_BIT2KEY_BASGR> TYPE FKKBIX_DISC_BIT2KEY_BASGR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKBIX_DISC_BIT2KEY_BASGR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKBIX_DISC_BIT2KEY_BASGR
  INTO TABLE IT_FKKBIX_DISC_BIT2KEY_BASGR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIX_DISC_BIT2KEY_BASGR
*  INTO TABLE @DATA(IT_FKKBIX_DISC_BIT2KEY_BASGR2).
*--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_FKKBIX_DISC_BIT2KEY_BASGR INDEX 1 INTO DATA(WA_FKKBIX_DISC_BIT2KEY_BASGR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKBIX_DISC_BIT2KEY_BASGR ASSIGNING <FKKBIX_DISC_BIT2KEY_BASGR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIX_DISC_BIT2KEY_BASGR>-BIT2KEY = 1.
<FKKBIX_DISC_BIT2KEY_BASGR>-VKONT = 1.
<FKKBIX_DISC_BIT2KEY_BASGR>-SRCTATYPE = 1.
<FKKBIX_DISC_BIT2KEY_BASGR>-SRCTAID = 1.
<FKKBIX_DISC_BIT2KEY_BASGR>-BITPACKUUID = 1.

ENDLOOP.

LOOP AT IT_FKKBIX_DISC_BIT2KEY_BASGR INTO WA_FKKBIX_DISC_BIT2KEY_BASGR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIX_DISC_BIT2KEY_BASGR-BITPACKCNO, sy-vline,
  WA_FKKBIX_DISC_BIT2KEY_BASGR-BITCAT, sy-vline,
  WA_FKKBIX_DISC_BIT2KEY_BASGR-SUBPROCESS, sy-vline,
  WA_FKKBIX_DISC_BIT2KEY_BASGR-KEYPP, sy-vline,
  WA_FKKBIX_DISC_BIT2KEY_BASGR-GPART, sy-vline,
  WA_FKKBIX_DISC_BIT2KEY_BASGR-MDCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIX_DISC_BIT2KEY_BASGR 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_FKKBIX_DISC_BIT2KEY_BASGR 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_FKKBIX_DISC_BIT2KEY_BASGR INTO WA_FKKBIX_DISC_BIT2KEY_BASGR.


*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 VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_DISC_BIT2KEY_BASGR-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_DISC_BIT2KEY_BASGR-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRCTAID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_DISC_BIT2KEY_BASGR-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_DISC_BIT2KEY_BASGR-SRCTAID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIX_DISC_BIT2KEY_BASGR-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIX_DISC_BIT2KEY_BASGR-GPART.
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_FKKBIX_DISC_BIT2KEY_BASGR_STR, 
BIT2KEY TYPE STRING,
VKONT TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,
BITCAT TYPE STRING,
SUBPROCESS TYPE STRING,
KEYPP TYPE STRING,
GPART TYPE STRING,
MDCAT TYPE STRING,
BIT2_DBTAB TYPE STRING,
DISC_BASGR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIX_DISC_BIT2KEY_BASGR_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_FKKBIX_DISC_BIT2KEY_BASGR_STR-BIT2KEY sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-VKONT sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-SRCTATYPE sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-SRCTAID sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-BITPACKUUID sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-BITPACKCNO sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-BITCAT sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-SUBPROCESS sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-KEYPP sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-GPART sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-MDCAT sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-BIT2_DBTAB sy-vline 
WA_FKKBIX_DISC_BIT2KEY_BASGR_STR-DISC_BASGR sy-vline      INTO ld_text SEPARATED BY SPACE.

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