ABAP Select data from SAP table FKKBI_EXTEDRAMOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBI_EXTEDRAMOUNT
*  INTO TABLE @DATA(IT_FKKBI_EXTEDRAMOUNT2).
*--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_FKKBI_EXTEDRAMOUNT INDEX 1 INTO DATA(WA_FKKBI_EXTEDRAMOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBI_EXTEDRAMOUNT>-EDRREF = 1.
<FKKBI_EXTEDRAMOUNT>-BILLACCREF = 1.
<FKKBI_EXTEDRAMOUNT>-BILLINGOBJECT = 1.
<FKKBI_EXTEDRAMOUNT>-EDRTYPE = 1.
<FKKBI_EXTEDRAMOUNT>-EVENTTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBI_EXTEDRAMOUNT-EDRAMOUNT, sy-vline,
  WA_FKKBI_EXTEDRAMOUNT-EDRCURR, sy-vline,
  WA_FKKBI_EXTEDRAMOUNT-EMBVT, sy-vline,
  WA_FKKBI_EXTEDRAMOUNT-EMGPA, sy-vline,
  WA_FKKBI_EXTEDRAMOUNT-PYREF, sy-vline,
  WA_FKKBI_EXTEDRAMOUNT-PY_AMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBI_EXTEDRAMOUNT 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_FKKBI_EXTEDRAMOUNT 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_FKKBI_EXTEDRAMOUNT INTO WA_FKKBI_EXTEDRAMOUNT.


*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 EMGPA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBI_EXTEDRAMOUNT-EMGPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBI_EXTEDRAMOUNT-EMGPA.
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_FKKBI_EXTEDRAMOUNT_STR, 
EDRREF TYPE STRING,
BILLACCREF TYPE STRING,
BILLINGOBJECT TYPE STRING,
EDRTYPE TYPE STRING,
EVENTTIME TYPE STRING,
EDRAMOUNT TYPE STRING,
EDRCURR TYPE STRING,
EMBVT TYPE STRING,
EMGPA TYPE STRING,
PYREF TYPE STRING,
PY_AMOUNT TYPE STRING,
PY_CURR TYPE STRING,
PY_PRIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBI_EXTEDRAMOUNT_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_FKKBI_EXTEDRAMOUNT_STR-EDRREF sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-BILLACCREF sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-BILLINGOBJECT sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EDRTYPE sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EVENTTIME sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EDRAMOUNT sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EDRCURR sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EMBVT sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-EMGPA sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-PYREF sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-PY_AMOUNT sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-PY_CURR sy-vline 
WA_FKKBI_EXTEDRAMOUNT_STR-PY_PRIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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