ABAP Select data from SAP table FKKBIXBIT4_IT_PRINT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKBIXBIT4_IT_PRINT 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 FKKBIXBIT4_IT_PRINT. 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 FKKBIXBIT4_IT_PRINT 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_FKKBIXBIT4_IT_PRINT TYPE STANDARD TABLE OF FKKBIXBIT4_IT_PRINT,
      WA_FKKBIXBIT4_IT_PRINT TYPE FKKBIXBIT4_IT_PRINT,
      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: <FKKBIXBIT4_IT_PRINT> TYPE FKKBIXBIT4_IT_PRINT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKKBIXBIT4_IT_PRINT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKKBIXBIT4_IT_PRINT
  INTO TABLE IT_FKKBIXBIT4_IT_PRINT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIXBIT4_IT_PRINT
*  INTO TABLE @DATA(IT_FKKBIXBIT4_IT_PRINT2).
*--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_FKKBIXBIT4_IT_PRINT INDEX 1 INTO DATA(WA_FKKBIXBIT4_IT_PRINT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKKBIXBIT4_IT_PRINT ASSIGNING <FKKBIXBIT4_IT_PRINT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIXBIT4_IT_PRINT>-SRCTATYPE = 1.
<FKKBIXBIT4_IT_PRINT>-SRCTAID = 1.
<FKKBIXBIT4_IT_PRINT>-SRCTASUBID = 1.
<FKKBIXBIT4_IT_PRINT>-SUBPROCESS = 1.
<FKKBIXBIT4_IT_PRINT>-BITCAT = 1.

ENDLOOP.

LOOP AT IT_FKKBIXBIT4_IT_PRINT INTO WA_FKKBIXBIT4_IT_PRINT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIXBIT4_IT_PRINT-BITTYPE, sy-vline,
  WA_FKKBIXBIT4_IT_PRINT-CITCAT, sy-vline,
  WA_FKKBIXBIT4_IT_PRINT-GPART, sy-vline,
  WA_FKKBIXBIT4_IT_PRINT-VTREF, sy-vline,
  WA_FKKBIXBIT4_IT_PRINT-VTPOS, sy-vline,
  WA_FKKBIXBIT4_IT_PRINT-SUBAP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIXBIT4_IT_PRINT 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_FKKBIXBIT4_IT_PRINT 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_FKKBIXBIT4_IT_PRINT INTO WA_FKKBIXBIT4_IT_PRINT.


*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 SRCTAID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT4_IT_PRINT-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT4_IT_PRINT-SRCTAID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT4_IT_PRINT-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT4_IT_PRINT-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT4_IT_PRINT-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT4_IT_PRINT-VTREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BIT_QTY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT4_IT_PRINT-BIT_QTY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT4_IT_PRINT-BIT_QTY_UNIT.
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_FKKBIXBIT4_IT_PRINT_STR, 
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
SRCTASUBID TYPE STRING,
SUBPROCESS TYPE STRING,
BITCAT TYPE STRING,
BITTYPE TYPE STRING,
CITCAT TYPE STRING,
GPART TYPE STRING,
VTREF TYPE STRING,
VTPOS TYPE STRING,
SUBAP TYPE STRING,
BITDATE TYPE STRING,
BITTIME TYPE STRING,
BITCRDATE TYPE STRING,
BITCRTIME TYPE STRING,
RATINGDATE TYPE STRING,
BITUUID TYPE STRING,
BIT_AMOUNT TYPE STRING,
BIT_CURR TYPE STRING,
BIT_QUANTITY TYPE STRING,
BIT_QTY_UNIT TYPE STRING,
BILLREQRSN TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIXBIT4_IT_PRINT_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_FKKBIXBIT4_IT_PRINT_STR-SRCTATYPE sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-SRCTAID sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-SRCTASUBID sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-SUBPROCESS sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITCAT sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITTYPE sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-CITCAT sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-GPART sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-VTREF sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-VTPOS sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-SUBAP sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITDATE sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITTIME sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITCRDATE sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITCRTIME sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-RATINGDATE sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITUUID sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BIT_AMOUNT sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BIT_CURR sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BIT_QUANTITY sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BIT_QTY_UNIT sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BILLREQRSN sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITPACKUUID sy-vline 
WA_FKKBIXBIT4_IT_PRINT_STR-BITPACKCNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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