ABAP Select data from SAP table FKKBIXBIT_DC_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIXBIT_DC_ITEM
*  INTO TABLE @DATA(IT_FKKBIXBIT_DC_ITEM2).
*--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_FKKBIXBIT_DC_ITEM INDEX 1 INTO DATA(WA_FKKBIXBIT_DC_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIXBIT_DC_ITEM>-MANDT = 1.
<FKKBIXBIT_DC_ITEM>-DCSCHEMA = 1.
<FKKBIXBIT_DC_ITEM>-GPART = 1.
<FKKBIXBIT_DC_ITEM>-BITHASH = 1.
<FKKBIXBIT_DC_ITEM>-CRDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIXBIT_DC_ITEM-CONSNO, sy-vline,
  WA_FKKBIXBIT_DC_ITEM-BITCAT, sy-vline,
  WA_FKKBIXBIT_DC_ITEM-SUBPROCESS, sy-vline,
  WA_FKKBIXBIT_DC_ITEM-KEYPP, sy-vline,
  WA_FKKBIXBIT_DC_ITEM-VKONT, sy-vline,
  WA_FKKBIXBIT_DC_ITEM-VTREF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIXBIT_DC_ITEM 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_FKKBIXBIT_DC_ITEM 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_FKKBIXBIT_DC_ITEM INTO WA_FKKBIXBIT_DC_ITEM.


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

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

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

*Conversion exit ALPHA, internal->external for field SRCTAID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT_DC_ITEM-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT_DC_ITEM-SRCTAID.
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_FKKBIXBIT_DC_ITEM_STR, 
MANDT TYPE STRING,
DCSCHEMA TYPE STRING,
GPART TYPE STRING,
BITHASH TYPE STRING,
CRDATE TYPE STRING,
CONSNO TYPE STRING,
BITCAT TYPE STRING,
SUBPROCESS TYPE STRING,
KEYPP TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,
BITCRDATE TYPE STRING,
BITCRTIME TYPE STRING,
BITDATE TYPE STRING,
BITTIME TYPE STRING,
CRTIME TYPE STRING,
BITCRMODE TYPE STRING,
BITDATAPACKID TYPE STRING,
DUPREC TYPE STRING,
DUPSTATUS TYPE STRING,
BITREVERSED TYPE STRING,
EXCREASON TYPE STRING,
CHNAME TYPE STRING,
CHDATE TYPE STRING,
CHTIME TYPE STRING,
DCSCHEMA_VERSH TYPE STRING,
DCDBTAB TYPE STRING,
BITPACKNUM TYPE STRING,
DCCHECKPER_DATE TYPE STRING,
DCSCHEMA_SEQNR TYPE STRING,
DCPROCRULE TYPE STRING,
BITSTATUS TYPE STRING,
SRCTASUBID TYPE STRING,
I_OLD_TABLE_HAS_REVTRIG TYPE STRING,
I_BITPACK_IS_NO_DUPLICATE TYPE STRING,
I_BITPACK_CHECKPER_OVER TYPE STRING,
I_DUPREC_IN_SAME_CALL TYPE STRING,
I_NO_DC_RECORD TYPE STRING,
I_UPDATE_DC_RECORD TYPE STRING,
I_SCHEMA_VERSH_INVALID TYPE STRING,
BITHASH_ALT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIXBIT_DC_ITEM_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_FKKBIXBIT_DC_ITEM_STR-MANDT sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCSCHEMA sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-GPART sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITHASH sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CRDATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CONSNO sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITCAT sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-SUBPROCESS sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-KEYPP sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-VKONT sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-VTREF sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-SUBAP sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-SRCTATYPE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-SRCTAID sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITPACKUUID sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITPACKCNO sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITCRDATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITCRTIME sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITDATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITTIME sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CRTIME sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITCRMODE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITDATAPACKID sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DUPREC sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DUPSTATUS sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITREVERSED sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-EXCREASON sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CHNAME sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CHDATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-CHTIME sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCSCHEMA_VERSH sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCDBTAB sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITPACKNUM sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCCHECKPER_DATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCSCHEMA_SEQNR sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-DCPROCRULE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITSTATUS sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-SRCTASUBID sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_OLD_TABLE_HAS_REVTRIG sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_BITPACK_IS_NO_DUPLICATE sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_BITPACK_CHECKPER_OVER sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_DUPREC_IN_SAME_CALL sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_NO_DC_RECORD sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_UPDATE_DC_RECORD sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-I_SCHEMA_VERSH_INVALID sy-vline 
WA_FKKBIXBIT_DC_ITEM_STR-BITHASH_ALT sy-vline      INTO ld_text SEPARATED BY SPACE.

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