ABAP Select data from SAP table FAP_RPP_S_PAYMENT_CHANGE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAP_RPP_S_PAYMENT_CHANGE
*  INTO TABLE @DATA(IT_FAP_RPP_S_PAYMENT_CHANGE2).
*--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_FAP_RPP_S_PAYMENT_CHANGE INDEX 1 INTO DATA(WA_FAP_RPP_S_PAYMENT_CHANGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAP_RPP_S_PAYMENT_CHANGE>-LAUFD = 1.
<FAP_RPP_S_PAYMENT_CHANGE>-LAUFI = 1.
<FAP_RPP_S_PAYMENT_CHANGE>-ZBUKR = 1.
<FAP_RPP_S_PAYMENT_CHANGE>-LIFNR = 1.
<FAP_RPP_S_PAYMENT_CHANGE>-KUNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAP_RPP_S_PAYMENT_CHANGE-EMPFG, sy-vline,
  WA_FAP_RPP_S_PAYMENT_CHANGE-VBLNR, sy-vline,
  WA_FAP_RPP_S_PAYMENT_CHANGE-VERSN, sy-vline,
  WA_FAP_RPP_S_PAYMENT_CHANGE-UNAME, sy-vline,
  WA_FAP_RPP_S_PAYMENT_CHANGE-NAME_TEXT, sy-vline,
  WA_FAP_RPP_S_PAYMENT_CHANGE-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAP_RPP_S_PAYMENT_CHANGE 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_FAP_RPP_S_PAYMENT_CHANGE 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_FAP_RPP_S_PAYMENT_CHANGE INTO WA_FAP_RPP_S_PAYMENT_CHANGE.


*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 AC132, internal->external for field LST_DISCOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAP_RPP_S_PAYMENT_CHANGE-LST_DISCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_RPP_S_PAYMENT_CHANGE-LST_DISCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field LST_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_FAP_RPP_S_PAYMENT_CHANGE-LST_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAP_RPP_S_PAYMENT_CHANGE-LST_AMOUNT.
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_FAP_RPP_S_PAYMENT_CHANGE_STR, 
LAUFD TYPE STRING,
LAUFI TYPE STRING,
ZBUKR TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
EMPFG TYPE STRING,
VBLNR TYPE STRING,
VERSN TYPE STRING,
UNAME TYPE STRING,
NAME_TEXT TYPE STRING,
AEDAT TYPE STRING,
UZEIT TYPE STRING,
CHANGED_AT TYPE STRING,
RZAWE TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
DTAWS TYPE STRING,
AUSFD TYPE STRING,
WEFAE TYPE STRING,
LST_DISCOUNT TYPE STRING,
LST_AMOUNT TYPE STRING,
LST_CURRENCY TYPE STRING,
RPOST TYPE STRING,
RPOST_L TYPE STRING,
UZAWE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAP_RPP_S_PAYMENT_CHANGE_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_FAP_RPP_S_PAYMENT_CHANGE_STR-LAUFD sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-LAUFI sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-ZBUKR sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-LIFNR sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-KUNNR sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-EMPFG sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-VBLNR sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-VERSN sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-UNAME sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-NAME_TEXT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-AEDAT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-UZEIT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-CHANGED_AT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-RZAWE sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-HBKID sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-HKTID sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-DTAWS sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-AUSFD sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-WEFAE sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-LST_DISCOUNT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-LST_AMOUNT sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-LST_CURRENCY sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-RPOST sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-RPOST_L sy-vline 
WA_FAP_RPP_S_PAYMENT_CHANGE_STR-UZAWE sy-vline      INTO ld_text SEPARATED BY SPACE.

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