ABAP Select data from SAP table FKK_KR_STR_EMSG_PAYMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_KR_STR_EMSG_PAYMENT 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_KR_STR_EMSG_PAYMENT. 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_KR_STR_EMSG_PAYMENT 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_KR_STR_EMSG_PAYMENT TYPE STANDARD TABLE OF FKK_KR_STR_EMSG_PAYMENT,
      WA_FKK_KR_STR_EMSG_PAYMENT TYPE FKK_KR_STR_EMSG_PAYMENT,
      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_KR_STR_EMSG_PAYMENT> TYPE FKK_KR_STR_EMSG_PAYMENT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_KR_STR_EMSG_PAYMENT
*  INTO TABLE @DATA(IT_FKK_KR_STR_EMSG_PAYMENT2).
*--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_KR_STR_EMSG_PAYMENT INDEX 1 INTO DATA(WA_FKK_KR_STR_EMSG_PAYMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_KR_STR_EMSG_PAYMENT>-HDR = 1.
<FKK_KR_STR_EMSG_PAYMENT>-BANKCODE = 1.
<FKK_KR_STR_EMSG_PAYMENT>-TRANSACTIONCODE = 1.
<FKK_KR_STR_EMSG_PAYMENT>-CORPORATIONCODE = 1.
<FKK_KR_STR_EMSG_PAYMENT>-MESSAGENUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_KR_STR_EMSG_PAYMENT-MESSAGECODE, sy-vline,
  WA_FKK_KR_STR_EMSG_PAYMENT-TASKCODE, sy-vline,
  WA_FKK_KR_STR_EMSG_PAYMENT-SENDRECEIVEIND, sy-vline,
  WA_FKK_KR_STR_EMSG_PAYMENT-RETURNCODE, sy-vline,
  WA_FKK_KR_STR_EMSG_PAYMENT-SENDDATE, sy-vline,
  WA_FKK_KR_STR_EMSG_PAYMENT-SENDTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_KR_STR_EMSG_PAYMENT 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_KR_STR_EMSG_PAYMENT 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_KR_STR_EMSG_PAYMENT INTO WA_FKK_KR_STR_EMSG_PAYMENT.


*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_FKK_KR_STR_EMSG_PAYMENT_STR, 
HDR TYPE STRING,
BANKCODE TYPE STRING,
TRANSACTIONCODE TYPE STRING,
CORPORATIONCODE TYPE STRING,
MESSAGENUMBER TYPE STRING,
MESSAGECODE TYPE STRING,
TASKCODE TYPE STRING,
SENDRECEIVEIND TYPE STRING,
RETURNCODE TYPE STRING,
SENDDATE TYPE STRING,
SENDTIME TYPE STRING,
MESSAGEDEALINGDATE TYPE STRING,
MESSAGEDEALINGTIME TYPE STRING,
REQUESTDATE TYPE STRING,
REQUESTMESSAGENUMBER TYPE STRING,
TRANSMISSIONCOUNT TYPE STRING,
COMPANYRESERVATIONFIELDVAL TYPE STRING,
BANKRESERVATIONFIELDVAL TYPE STRING,
VANVALUE TYPE STRING,
RESERVATIONTEXTFIELDVAL TYPE STRING,
RESERVATIONNUMBERFIELDVALUE TYPE STRING,
ITM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_KR_STR_EMSG_PAYMENT_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_KR_STR_EMSG_PAYMENT_STR-HDR sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-BANKCODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-TRANSACTIONCODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-CORPORATIONCODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-MESSAGENUMBER sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-MESSAGECODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-TASKCODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-SENDRECEIVEIND sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-RETURNCODE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-SENDDATE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-SENDTIME sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-MESSAGEDEALINGDATE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-MESSAGEDEALINGTIME sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-REQUESTDATE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-REQUESTMESSAGENUMBER sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-TRANSMISSIONCOUNT sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-COMPANYRESERVATIONFIELDVAL sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-BANKRESERVATIONFIELDVAL sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-VANVALUE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-RESERVATIONTEXTFIELDVAL sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-RESERVATIONNUMBERFIELDVALUE sy-vline 
WA_FKK_KR_STR_EMSG_PAYMENT_STR-ITM sy-vline      INTO ld_text SEPARATED BY SPACE.

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