ABAP Select data from SAP table FKK_BIT_PAYMENT_CREATE_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_BIT_PAYMENT_CREATE_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 FKK_BIT_PAYMENT_CREATE_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 FKK_BIT_PAYMENT_CREATE_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_FKK_BIT_PAYMENT_CREATE_DATA TYPE STANDARD TABLE OF FKK_BIT_PAYMENT_CREATE_DATA,
      WA_FKK_BIT_PAYMENT_CREATE_DATA TYPE FKK_BIT_PAYMENT_CREATE_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: <FKK_BIT_PAYMENT_CREATE_DATA> TYPE FKK_BIT_PAYMENT_CREATE_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_BIT_PAYMENT_CREATE_DATA
*  INTO TABLE @DATA(IT_FKK_BIT_PAYMENT_CREATE_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_FKK_BIT_PAYMENT_CREATE_DATA INDEX 1 INTO DATA(WA_FKK_BIT_PAYMENT_CREATE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_BIT_PAYMENT_CREATE_DATA>-PY_GROUP = 1.
<FKK_BIT_PAYMENT_CREATE_DATA>-PYMET = 1.
<FKK_BIT_PAYMENT_CREATE_DATA>-PY_AMOUNT = 1.
<FKK_BIT_PAYMENT_CREATE_DATA>-PY_CURR = 1.
<FKK_BIT_PAYMENT_CREATE_DATA>-PY_PRIO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_BIT_PAYMENT_CREATE_DATA-PCARD_GUID32, sy-vline,
  WA_FKK_BIT_PAYMENT_CREATE_DATA-PCARD_XSETT, sy-vline,
  WA_FKK_BIT_PAYMENT_CREATE_DATA-PYREF, sy-vline,
  WA_FKK_BIT_PAYMENT_CREATE_DATA-CCARD_ID, sy-vline,
  WA_FKK_BIT_PAYMENT_CREATE_DATA-CCINS, sy-vline,
  WA_FKK_BIT_PAYMENT_CREATE_DATA-CCNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_BIT_PAYMENT_CREATE_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_FKK_BIT_PAYMENT_CREATE_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_FKK_BIT_PAYMENT_CREATE_DATA INTO WA_FKK_BIT_PAYMENT_CREATE_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 EMGPA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_BIT_PAYMENT_CREATE_DATA-EMGPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_BIT_PAYMENT_CREATE_DATA-EMGPA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMADR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_BIT_PAYMENT_CREATE_DATA-EMADR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_BIT_PAYMENT_CREATE_DATA-EMADR.
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_FKK_BIT_PAYMENT_CREATE_DATA_STR, 
PY_GROUP TYPE STRING,
PYMET TYPE STRING,
PY_AMOUNT TYPE STRING,
PY_CURR TYPE STRING,
PY_PRIO TYPE STRING,
PCARD_GUID32 TYPE STRING,
PCARD_XSETT TYPE STRING,
PYREF TYPE STRING,
CCARD_ID TYPE STRING,
CCINS TYPE STRING,
CCNAME TYPE STRING,
CCNUM TYPE STRING,
CCWAE TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
AUDAT TYPE STRING,
AUNUM TYPE STRING,
AUTIM TYPE STRING,
AUTRA TYPE STRING,
AUTWR TYPE STRING,
MERCH TYPE STRING,
EMBVT TYPE STRING,
EMGPA TYPE STRING,
EMCRD TYPE STRING,
PAYS_PROV TYPE STRING,
PAYS_TRAN TYPE STRING,
EMADR TYPE STRING,
EXPDT TYPE STRING,
EXPTM TYPE STRING,
EXTMP TYPE STRING,
AUTMP TYPE STRING,
AUCID TYPE STRING,
AVREF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_BIT_PAYMENT_CREATE_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_FKK_BIT_PAYMENT_CREATE_DATA_STR-PY_GROUP sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PYMET sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PY_AMOUNT sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PY_CURR sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PY_PRIO sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PCARD_GUID32 sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PCARD_XSETT sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PYREF sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-CCARD_ID sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-CCINS sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-CCNAME sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-CCNUM sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-CCWAE sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-DATAB sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-DATBI sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUDAT sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUNUM sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUTIM sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUTRA sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUTWR sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-MERCH sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EMBVT sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EMGPA sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EMCRD sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PAYS_PROV sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-PAYS_TRAN sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EMADR sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EXPDT sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EXPTM sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-EXTMP sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUTMP sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AUCID sy-vline 
WA_FKK_BIT_PAYMENT_CREATE_DATA_STR-AVREF sy-vline      INTO ld_text SEPARATED BY SPACE.

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