ABAP Select data from SAP table BAPIDFKKOPC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIDFKKOPC
*  INTO TABLE @DATA(IT_BAPIDFKKOPC2).
*--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_BAPIDFKKOPC INDEX 1 INTO DATA(WA_BAPIDFKKOPC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIDFKKOPC>-CC_TYPE = 1.
<BAPIDFKKOPC>-CC_NUMBER = 1.
<BAPIDFKKOPC>-CC_SEQ_NO = 1.
<BAPIDFKKOPC>-CC_VALID_F = 1.
<BAPIDFKKOPC>-CC_VALID_T = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIDFKKOPC-CC_NAME, sy-vline,
  WA_BAPIDFKKOPC-AUTHNUMBER, sy-vline,
  WA_BAPIDFKKOPC-AUTHREFNUMBER, sy-vline,
  WA_BAPIDFKKOPC-AUTHDATE, sy-vline,
  WA_BAPIDFKKOPC-AUTHTIME, sy-vline,
  WA_BAPIDFKKOPC-AUTHTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIDFKKOPC 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_BAPIDFKKOPC 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_BAPIDFKKOPC INTO WA_BAPIDFKKOPC.


*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_BAPIDFKKOPC_STR, 
CC_TYPE TYPE STRING,
CC_NUMBER TYPE STRING,
CC_SEQ_NO TYPE STRING,
CC_VALID_F TYPE STRING,
CC_VALID_T TYPE STRING,
CC_NAME TYPE STRING,
AUTHNUMBER TYPE STRING,
AUTHREFNUMBER TYPE STRING,
AUTHDATE TYPE STRING,
AUTHTIME TYPE STRING,
AUTHTYPE TYPE STRING,
AUTHAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
MERCHIDCL TYPE STRING,
VERIF_CODE TYPE STRING,
VERIF_CONTROL TYPE STRING,
VERIF_USAGE TYPE STRING,
CC_GUID TYPE STRING,
CC_ENCTYPE TYPE STRING,
AUTHEXP_DATE TYPE STRING,
AUTHEXP_TIME TYPE STRING,
AUTHEXP_TMP TYPE STRING,
AUTHTMP TYPE STRING,
AUTHBILL_PAYID TYPE STRING,
PAY_SERV_PROV TYPE STRING,
PAY_SERV_TRANS TYPE STRING,
ORIG_PAY_SERV_TRAN TYPE STRING,
ORIG_CREDIT_SOURCE TYPE STRING,
PAYMNT_GRP TYPE STRING,
AUTH_REL_ID TYPE STRING,
FRAUD_RISK_CODE TYPE STRING,
ADVICE_REFERENCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIDFKKOPC_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_BAPIDFKKOPC_STR-CC_TYPE sy-vline 
WA_BAPIDFKKOPC_STR-CC_NUMBER sy-vline 
WA_BAPIDFKKOPC_STR-CC_SEQ_NO sy-vline 
WA_BAPIDFKKOPC_STR-CC_VALID_F sy-vline 
WA_BAPIDFKKOPC_STR-CC_VALID_T sy-vline 
WA_BAPIDFKKOPC_STR-CC_NAME sy-vline 
WA_BAPIDFKKOPC_STR-AUTHNUMBER sy-vline 
WA_BAPIDFKKOPC_STR-AUTHREFNUMBER sy-vline 
WA_BAPIDFKKOPC_STR-AUTHDATE sy-vline 
WA_BAPIDFKKOPC_STR-AUTHTIME sy-vline 
WA_BAPIDFKKOPC_STR-AUTHTYPE sy-vline 
WA_BAPIDFKKOPC_STR-AUTHAMOUNT sy-vline 
WA_BAPIDFKKOPC_STR-CURRENCY sy-vline 
WA_BAPIDFKKOPC_STR-CURRENCY_ISO sy-vline 
WA_BAPIDFKKOPC_STR-MERCHIDCL sy-vline 
WA_BAPIDFKKOPC_STR-VERIF_CODE sy-vline 
WA_BAPIDFKKOPC_STR-VERIF_CONTROL sy-vline 
WA_BAPIDFKKOPC_STR-VERIF_USAGE sy-vline 
WA_BAPIDFKKOPC_STR-CC_GUID sy-vline 
WA_BAPIDFKKOPC_STR-CC_ENCTYPE sy-vline 
WA_BAPIDFKKOPC_STR-AUTHEXP_DATE sy-vline 
WA_BAPIDFKKOPC_STR-AUTHEXP_TIME sy-vline 
WA_BAPIDFKKOPC_STR-AUTHEXP_TMP sy-vline 
WA_BAPIDFKKOPC_STR-AUTHTMP sy-vline 
WA_BAPIDFKKOPC_STR-AUTHBILL_PAYID sy-vline 
WA_BAPIDFKKOPC_STR-PAY_SERV_PROV sy-vline 
WA_BAPIDFKKOPC_STR-PAY_SERV_TRANS sy-vline 
WA_BAPIDFKKOPC_STR-ORIG_PAY_SERV_TRAN sy-vline 
WA_BAPIDFKKOPC_STR-ORIG_CREDIT_SOURCE sy-vline 
WA_BAPIDFKKOPC_STR-PAYMNT_GRP sy-vline 
WA_BAPIDFKKOPC_STR-AUTH_REL_ID sy-vline 
WA_BAPIDFKKOPC_STR-FRAUD_RISK_CODE sy-vline 
WA_BAPIDFKKOPC_STR-ADVICE_REFERENCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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