ABAP Select data from SAP table FKKBIBILLACC_BO_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIBILLACC_BO_DATA
*  INTO TABLE @DATA(IT_FKKBIBILLACC_BO_DATA2).
*--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_FKKBIBILLACC_BO_DATA INDEX 1 INTO DATA(WA_FKKBIBILLACC_BO_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIBILLACC_BO_DATA>-EXTERNAL_BATYPE = 1.
<FKKBIBILLACC_BO_DATA>-BILLACCTYPE = 1.
<FKKBIBILLACC_BO_DATA>-SUBAP = 1.
<FKKBIBILLACC_BO_DATA>-HOTBILLING = 1.
<FKKBIBILLACC_BO_DATA>-BILLACCREF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIBILLACC_BO_DATA-VKONT, sy-vline,
  WA_FKKBIBILLACC_BO_DATA-BILLLOCKSTATUS, sy-vline,
  WA_FKKBIBILLACC_BO_DATA-BILLLOCKREASON, sy-vline,
  WA_FKKBIBILLACC_BO_DATA-BILLLOCKRELEASE, sy-vline,
  WA_FKKBIBILLACC_BO_DATA-KOFIZ, sy-vline,
  WA_FKKBIBILLACC_BO_DATA-BEGRU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIBILLACC_BO_DATA 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_FKKBIBILLACC_BO_DATA 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_FKKBIBILLACC_BO_DATA INTO WA_FKKBIBILLACC_BO_DATA.


*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_FKKBIBILLACC_BO_DATA-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIBILLACC_BO_DATA-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIBILLACC_BO_DATA-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIBILLACC_BO_DATA-VTREF.
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_FKKBIBILLACC_BO_DATA_STR, 
EXTERNAL_BATYPE TYPE STRING,
BILLACCTYPE TYPE STRING,
SUBAP TYPE STRING,
HOTBILLING TYPE STRING,
BILLACCREF TYPE STRING,
VKONT TYPE STRING,
BILLLOCKSTATUS TYPE STRING,
BILLLOCKREASON TYPE STRING,
BILLLOCKRELEASE TYPE STRING,
KOFIZ TYPE STRING,
BEGRU TYPE STRING,
VTREF TYPE STRING,
LOADTO TYPE STRING,
TS_FROM TYPE STRING,
TS_TO TYPE STRING,
BILLACCTIMEZONE TYPE STRING,
SCHEDULE_TAB TYPE STRING,
RATE_TAB TYPE STRING,
TERMS_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIBILLACC_BO_DATA_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_FKKBIBILLACC_BO_DATA_STR-EXTERNAL_BATYPE sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLACCTYPE sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-SUBAP sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-HOTBILLING sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLACCREF sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-VKONT sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLLOCKSTATUS sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLLOCKREASON sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLLOCKRELEASE sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-KOFIZ sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BEGRU sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-VTREF sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-LOADTO sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-TS_FROM sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-TS_TO sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-BILLACCTIMEZONE sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-SCHEDULE_TAB sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-RATE_TAB sy-vline 
WA_FKKBIBILLACC_BO_DATA_STR-TERMS_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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