ABAP Select data from SAP table FKKEPOS_PAY_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEPOS_PAY_ADD
*  INTO TABLE @DATA(IT_FKKEPOS_PAY_ADD2).
*--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_FKKEPOS_PAY_ADD INDEX 1 INTO DATA(WA_FKKEPOS_PAY_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEPOS_PAY_ADD>-PTTYP = 1.
<FKKEPOS_PAY_ADD>-PTKEY = 1.
<FKKEPOS_PAY_ADD>-DATUM = 1.
<FKKEPOS_PAY_ADD>-NEBTR = 1.
<FKKEPOS_PAY_ADD>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEPOS_PAY_ADD-HERKF, sy-vline,
  WA_FKKEPOS_PAY_ADD-KEYZ1, sy-vline,
  WA_FKKEPOS_PAY_ADD-POSZA, sy-vline,
  WA_FKKEPOS_PAY_ADD-BANKS, sy-vline,
  WA_FKKEPOS_PAY_ADD-BANKL, sy-vline,
  WA_FKKEPOS_PAY_ADD-BANKN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEPOS_PAY_ADD 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_FKKEPOS_PAY_ADD 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_FKKEPOS_PAY_ADD INTO WA_FKKEPOS_PAY_ADD.


*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_FKKEPOS_PAY_ADD_STR, 
PTTYP TYPE STRING,
PTKEY TYPE STRING,
DATUM TYPE STRING,
NEBTR TYPE STRING,
WAERS TYPE STRING,
HERKF TYPE STRING,
KEYZ1 TYPE STRING,
POSZA TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
KOINH TYPE STRING,
CHCKN TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CARD_GUID TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
VALTO TYPE STRING,
TXTVW TYPE STRING,
INFOF TYPE STRING,
KEYR1 TYPE STRING,
POSRA TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
RLGRD TYPE STRING,
RTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEPOS_PAY_ADD_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_FKKEPOS_PAY_ADD_STR-PTTYP sy-vline 
WA_FKKEPOS_PAY_ADD_STR-PTKEY sy-vline 
WA_FKKEPOS_PAY_ADD_STR-DATUM sy-vline 
WA_FKKEPOS_PAY_ADD_STR-NEBTR sy-vline 
WA_FKKEPOS_PAY_ADD_STR-WAERS sy-vline 
WA_FKKEPOS_PAY_ADD_STR-HERKF sy-vline 
WA_FKKEPOS_PAY_ADD_STR-KEYZ1 sy-vline 
WA_FKKEPOS_PAY_ADD_STR-POSZA sy-vline 
WA_FKKEPOS_PAY_ADD_STR-BANKS sy-vline 
WA_FKKEPOS_PAY_ADD_STR-BANKL sy-vline 
WA_FKKEPOS_PAY_ADD_STR-BANKN sy-vline 
WA_FKKEPOS_PAY_ADD_STR-BKONT sy-vline 
WA_FKKEPOS_PAY_ADD_STR-KOINH sy-vline 
WA_FKKEPOS_PAY_ADD_STR-CHCKN sy-vline 
WA_FKKEPOS_PAY_ADD_STR-CCINS sy-vline 
WA_FKKEPOS_PAY_ADD_STR-CCNUM sy-vline 
WA_FKKEPOS_PAY_ADD_STR-CARD_GUID sy-vline 
WA_FKKEPOS_PAY_ADD_STR-LAUFD sy-vline 
WA_FKKEPOS_PAY_ADD_STR-LAUFI sy-vline 
WA_FKKEPOS_PAY_ADD_STR-VALTO sy-vline 
WA_FKKEPOS_PAY_ADD_STR-TXTVW sy-vline 
WA_FKKEPOS_PAY_ADD_STR-INFOF sy-vline 
WA_FKKEPOS_PAY_ADD_STR-KEYR1 sy-vline 
WA_FKKEPOS_PAY_ADD_STR-POSRA sy-vline 
WA_FKKEPOS_PAY_ADD_STR-HBKID sy-vline 
WA_FKKEPOS_PAY_ADD_STR-HKTID sy-vline 
WA_FKKEPOS_PAY_ADD_STR-RLGRD sy-vline 
WA_FKKEPOS_PAY_ADD_STR-RTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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