ABAP Select data from SAP table BAPIFKKVKP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIFKKVKP
*  INTO TABLE @DATA(IT_BAPIFKKVKP2).
*--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_BAPIFKKVKP INDEX 1 INTO DATA(WA_BAPIFKKVKP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIFKKVKP>-CONT_ACCT = 1.
<BAPIFKKVKP>-BUSPARTNER = 1.
<BAPIFKKVKP>-ACCT_NAME = 1.
<BAPIFKKVKP>-CR_ON = 1.
<BAPIFKKVKP>-CREATED_BY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIFKKVKP-CH_ON, sy-vline,
  WA_BAPIFKKVKP-CHANGED_BY, sy-vline,
  WA_BAPIFKKVKP-CM_EX_DAYS, sy-vline,
  WA_BAPIFKKVKP-REF_NUMBER, sy-vline,
  WA_BAPIFKKVKP-COMP_CODE, sy-vline,
  WA_BAPIFKKVKP-ALTER_PAYER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIFKKVKP 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_BAPIFKKVKP 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_BAPIFKKVKP INTO WA_BAPIFKKVKP.


*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 CONT_ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-CONT_ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-CONT_ACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BUSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-BUSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-BUSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTER_PAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ALTER_PAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ALTER_PAYER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTER_PAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ALTER_PAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ALTER_PAYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTER_DUNN_RECIP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ALTER_DUNN_RECIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ALTER_DUNN_RECIP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COLL_ACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-COLL_ACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-COLL_ACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLAN_GRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-PLAN_GRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-PLAN_GRP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCT_PAID_BY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ACCT_PAID_BY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ACCT_PAID_BY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_ALT_PAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_ALT_PAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_ALT_PAYER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_ALT_PAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_ALT_PAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_ALT_PAYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_ALT_DUNN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_ALT_DUNN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_ALT_DUNN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTER_BILL_RECIP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ALTER_BILL_RECIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ALTER_BILL_RECIP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_ALT_BILL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_ALT_BILL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_ALT_BILL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_JURISDICT_CODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-ADDR_JURISDICT_CODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-ADDR_JURISDICT_CODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRADE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-TRADE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-TRADE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERS_RESP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPIFKKVKP-PERS_RESP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPIFKKVKP-PERS_RESP.
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_BAPIFKKVKP_STR, 
CONT_ACCT TYPE STRING,
BUSPARTNER TYPE STRING,
ACCT_NAME TYPE STRING,
CR_ON TYPE STRING,
CREATED_BY TYPE STRING,
CH_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CM_EX_DAYS TYPE STRING,
REF_NUMBER TYPE STRING,
COMP_CODE TYPE STRING,
ALTER_PAYER TYPE STRING,
ALTER_PAYEE TYPE STRING,
ALTER_DUNN_RECIP TYPE STRING,
BANK_INC TYPE STRING,
BANK_OUTG TYPE STRING,
METHOD_INC TYPE STRING,
METHOD_OUTG TYPE STRING,
WU_LIST TYPE STRING,
DEL_FLAG TYPE STRING,
COLL_ACCT TYPE STRING,
INT_KEY TYPE STRING,
DUNN_PROC TYPE STRING,
DUNN_GROUP TYPE STRING,
PLAN_GRP TYPE STRING,
ACCT_RELAT TYPE STRING,
ADDR_NO TYPE STRING,
ACCT_PAID_BY TYPE STRING,
ADDR_ALT_PAYER TYPE STRING,
ADDR_ALT_PAYEE TYPE STRING,
ADDR_ALT_DUNN TYPE STRING,
ALTER_BILL_RECIP TYPE STRING,
ADDR_ALT_BILL TYPE STRING,
ADDR_JURISDICT_CODE TYPE STRING,
AUTHORITYGROUP TYPE STRING,
TOLER_GROUP TYPE STRING,
TAXJURCODE TYPE STRING,
CORRESP_VARIANT TYPE STRING,
TRADE_ID TYPE STRING,
CREDIT_CARD_ID TYPE STRING,
ITEMS_TRANSFERED TYPE STRING,
STANDARD_COMP_CODE TYPE STRING,
PERS_RESP TYPE STRING,
INVOICING_CATEGORY TYPE STRING,
DIRECT_DEBIT_AMOUNT TYPE STRING,
DIRECT_DEBIT_CURRENCY TYPE STRING,
DIRECT_DEBIT_CURRENCY_ISO TYPE STRING,
DIRECT_DEBIT_MONTHS TYPE STRING,
DIRECT_DEBIT_ROLLING TYPE STRING,
SUBLEDGER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIFKKVKP_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_BAPIFKKVKP_STR-CONT_ACCT sy-vline 
WA_BAPIFKKVKP_STR-BUSPARTNER sy-vline 
WA_BAPIFKKVKP_STR-ACCT_NAME sy-vline 
WA_BAPIFKKVKP_STR-CR_ON sy-vline 
WA_BAPIFKKVKP_STR-CREATED_BY sy-vline 
WA_BAPIFKKVKP_STR-CH_ON sy-vline 
WA_BAPIFKKVKP_STR-CHANGED_BY sy-vline 
WA_BAPIFKKVKP_STR-CM_EX_DAYS sy-vline 
WA_BAPIFKKVKP_STR-REF_NUMBER sy-vline 
WA_BAPIFKKVKP_STR-COMP_CODE sy-vline 
WA_BAPIFKKVKP_STR-ALTER_PAYER sy-vline 
WA_BAPIFKKVKP_STR-ALTER_PAYEE sy-vline 
WA_BAPIFKKVKP_STR-ALTER_DUNN_RECIP sy-vline 
WA_BAPIFKKVKP_STR-BANK_INC sy-vline 
WA_BAPIFKKVKP_STR-BANK_OUTG sy-vline 
WA_BAPIFKKVKP_STR-METHOD_INC sy-vline 
WA_BAPIFKKVKP_STR-METHOD_OUTG sy-vline 
WA_BAPIFKKVKP_STR-WU_LIST sy-vline 
WA_BAPIFKKVKP_STR-DEL_FLAG sy-vline 
WA_BAPIFKKVKP_STR-COLL_ACCT sy-vline 
WA_BAPIFKKVKP_STR-INT_KEY sy-vline 
WA_BAPIFKKVKP_STR-DUNN_PROC sy-vline 
WA_BAPIFKKVKP_STR-DUNN_GROUP sy-vline 
WA_BAPIFKKVKP_STR-PLAN_GRP sy-vline 
WA_BAPIFKKVKP_STR-ACCT_RELAT sy-vline 
WA_BAPIFKKVKP_STR-ADDR_NO sy-vline 
WA_BAPIFKKVKP_STR-ACCT_PAID_BY sy-vline 
WA_BAPIFKKVKP_STR-ADDR_ALT_PAYER sy-vline 
WA_BAPIFKKVKP_STR-ADDR_ALT_PAYEE sy-vline 
WA_BAPIFKKVKP_STR-ADDR_ALT_DUNN sy-vline 
WA_BAPIFKKVKP_STR-ALTER_BILL_RECIP sy-vline 
WA_BAPIFKKVKP_STR-ADDR_ALT_BILL sy-vline 
WA_BAPIFKKVKP_STR-ADDR_JURISDICT_CODE sy-vline 
WA_BAPIFKKVKP_STR-AUTHORITYGROUP sy-vline 
WA_BAPIFKKVKP_STR-TOLER_GROUP sy-vline 
WA_BAPIFKKVKP_STR-TAXJURCODE sy-vline 
WA_BAPIFKKVKP_STR-CORRESP_VARIANT sy-vline 
WA_BAPIFKKVKP_STR-TRADE_ID sy-vline 
WA_BAPIFKKVKP_STR-CREDIT_CARD_ID sy-vline 
WA_BAPIFKKVKP_STR-ITEMS_TRANSFERED sy-vline 
WA_BAPIFKKVKP_STR-STANDARD_COMP_CODE sy-vline 
WA_BAPIFKKVKP_STR-PERS_RESP sy-vline 
WA_BAPIFKKVKP_STR-INVOICING_CATEGORY sy-vline 
WA_BAPIFKKVKP_STR-DIRECT_DEBIT_AMOUNT sy-vline 
WA_BAPIFKKVKP_STR-DIRECT_DEBIT_CURRENCY sy-vline 
WA_BAPIFKKVKP_STR-DIRECT_DEBIT_CURRENCY_ISO sy-vline 
WA_BAPIFKKVKP_STR-DIRECT_DEBIT_MONTHS sy-vline 
WA_BAPIFKKVKP_STR-DIRECT_DEBIT_ROLLING sy-vline 
WA_BAPIFKKVKP_STR-SUBLEDGER sy-vline      INTO ld_text SEPARATED BY SPACE.

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