ABAP Select data from SAP table FKKOI_PAYMENT_INFO_TRBK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKOI_PAYMENT_INFO_TRBK
*  INTO TABLE @DATA(IT_FKKOI_PAYMENT_INFO_TRBK2).
*--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_FKKOI_PAYMENT_INFO_TRBK INDEX 1 INTO DATA(WA_FKKOI_PAYMENT_INFO_TRBK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKOI_PAYMENT_INFO_TRBK>-MANDT = 1.
<FKKOI_PAYMENT_INFO_TRBK>-OPBEL = 1.
<FKKOI_PAYMENT_INFO_TRBK>-CLRST = 1.
<FKKOI_PAYMENT_INFO_TRBK>-GPART = 1.
<FKKOI_PAYMENT_INFO_TRBK>-VKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKOI_PAYMENT_INFO_TRBK-VTREF, sy-vline,
  WA_FKKOI_PAYMENT_INFO_TRBK-SUBAP, sy-vline,
  WA_FKKOI_PAYMENT_INFO_TRBK-BUKRS, sy-vline,
  WA_FKKOI_PAYMENT_INFO_TRBK-RCVER, sy-vline,
  WA_FKKOI_PAYMENT_INFO_TRBK-KEYZ1, sy-vline,
  WA_FKKOI_PAYMENT_INFO_TRBK-POSZA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKOI_PAYMENT_INFO_TRBK 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_FKKOI_PAYMENT_INFO_TRBK 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_FKKOI_PAYMENT_INFO_TRBK INTO WA_FKKOI_PAYMENT_INFO_TRBK.


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

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

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

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKOI_PAYMENT_INFO_TRBK-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKOI_PAYMENT_INFO_TRBK-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_FKKOI_PAYMENT_INFO_TRBK_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
CLRST TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
BUKRS TYPE STRING,
RCVER TYPE STRING,
KEYZ1 TYPE STRING,
POSZA TYPE STRING,
TOTAL TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BUDAT TYPE STRING,
VALUT TYPE STRING,
BLDAT TYPE STRING,
TRFST TYPE STRING,
UNAME TYPE STRING,
CDATE TYPE STRING,
CTIME TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
GROUP_OBJECT TYPE STRING,
REF_CONTRACT TYPE STRING,
VKONA TYPE STRING,
EXTVT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKOI_PAYMENT_INFO_TRBK_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_FKKOI_PAYMENT_INFO_TRBK_STR-MANDT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-OPBEL sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-CLRST sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-GPART sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-VKONT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-VTREF sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-SUBAP sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-BUKRS sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-RCVER sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-KEYZ1 sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-POSZA sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-TOTAL sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-BETRW sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-WAERS sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-BUDAT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-VALUT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-BLDAT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-TRFST sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-UNAME sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-CDATE sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-CTIME sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-LAUFD sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-LAUFI sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-GROUP_OBJECT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-REF_CONTRACT sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-VKONA sy-vline 
WA_FKKOI_PAYMENT_INFO_TRBK_STR-EXTVT sy-vline      INTO ld_text SEPARATED BY SPACE.

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