ABAP Select data from SAP table FKKPY_SRT_CARD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKPY_SRT_CARD
*  INTO TABLE @DATA(IT_FKKPY_SRT_CARD2).
*--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_FKKPY_SRT_CARD INDEX 1 INTO DATA(WA_FKKPY_SRT_CARD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKPY_SRT_CARD>-CCINS = 1.
<FKKPY_SRT_CARD>-CCNUM = 1.
<FKKPY_SRT_CARD>-AUNUM = 1.
<FKKPY_SRT_CARD>-AUTRA = 1.
<FKKPY_SRT_CARD>-AUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKPY_SRT_CARD-MERCH, sy-vline,
  WA_FKKPY_SRT_CARD-EXPDT, sy-vline,
  WA_FKKPY_SRT_CARD-EXPTM, sy-vline,
  WA_FKKPY_SRT_CARD-CGUID, sy-vline,
  WA_FKKPY_SRT_CARD-ENCTP, sy-vline,
  WA_FKKPY_SRT_CARD-MASKED_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKPY_SRT_CARD 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_FKKPY_SRT_CARD 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_FKKPY_SRT_CARD INTO WA_FKKPY_SRT_CARD.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FKKPY_SRT_CARD_STR, 
CCINS TYPE STRING,
CCNUM TYPE STRING,
AUNUM TYPE STRING,
AUTRA TYPE STRING,
AUDAT TYPE STRING,
MERCH TYPE STRING,
EXPDT TYPE STRING,
EXPTM TYPE STRING,
CGUID TYPE STRING,
ENCTP TYPE STRING,
MASKED_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKPY_SRT_CARD_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_FKKPY_SRT_CARD_STR-CCINS sy-vline 
WA_FKKPY_SRT_CARD_STR-CCNUM sy-vline 
WA_FKKPY_SRT_CARD_STR-AUNUM sy-vline 
WA_FKKPY_SRT_CARD_STR-AUTRA sy-vline 
WA_FKKPY_SRT_CARD_STR-AUDAT sy-vline 
WA_FKKPY_SRT_CARD_STR-MERCH sy-vline 
WA_FKKPY_SRT_CARD_STR-EXPDT sy-vline 
WA_FKKPY_SRT_CARD_STR-EXPTM sy-vline 
WA_FKKPY_SRT_CARD_STR-CGUID sy-vline 
WA_FKKPY_SRT_CARD_STR-ENCTP sy-vline 
WA_FKKPY_SRT_CARD_STR-MASKED_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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