ABAP Select data from SAP table FKC_FDP_PROM2PAY_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKC_FDP_PROM2PAY_HEADER 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 FKC_FDP_PROM2PAY_HEADER. 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 FKC_FDP_PROM2PAY_HEADER 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_FKC_FDP_PROM2PAY_HEADER TYPE STANDARD TABLE OF FKC_FDP_PROM2PAY_HEADER,
      WA_FKC_FDP_PROM2PAY_HEADER TYPE FKC_FDP_PROM2PAY_HEADER,
      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: <FKC_FDP_PROM2PAY_HEADER> TYPE FKC_FDP_PROM2PAY_HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKC_FDP_PROM2PAY_HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKC_FDP_PROM2PAY_HEADER
  INTO TABLE IT_FKC_FDP_PROM2PAY_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKC_FDP_PROM2PAY_HEADER
*  INTO TABLE @DATA(IT_FKC_FDP_PROM2PAY_HEADER2).
*--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_FKC_FDP_PROM2PAY_HEADER INDEX 1 INTO DATA(WA_FKC_FDP_PROM2PAY_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKC_FDP_PROM2PAY_HEADER ASSIGNING <FKC_FDP_PROM2PAY_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKC_FDP_PROM2PAY_HEADER>-CACORRESPONDENCETYPE = 1.
<FKC_FDP_PROM2PAY_HEADER>-CACORRESPONDENCE = 1.
<FKC_FDP_PROM2PAY_HEADER>-BUSINESSPARTNER = 1.
<FKC_FDP_PROM2PAY_HEADER>-CONTRACTACCOUNT = 1.
<FKC_FDP_PROM2PAY_HEADER>-CACONTRACT = 1.

ENDLOOP.

LOOP AT IT_FKC_FDP_PROM2PAY_HEADER INTO WA_FKC_FDP_PROM2PAY_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKC_FDP_PROM2PAY_HEADER-COMPANYCODE, sy-vline,
  WA_FKC_FDP_PROM2PAY_HEADER-CONTRACTACCOUNTNAME, sy-vline,
  WA_FKC_FDP_PROM2PAY_HEADER-LANGUAGE, sy-vline,
  WA_FKC_FDP_PROM2PAY_HEADER-CORRESPONDENCEISSUEDATE, sy-vline,
  WA_FKC_FDP_PROM2PAY_HEADER-CORRESPONDENCE1STENTITYDATA, sy-vline,
  WA_FKC_FDP_PROM2PAY_HEADER-CAPROMISETOPAY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKC_FDP_PROM2PAY_HEADER 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_FKC_FDP_PROM2PAY_HEADER 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_FKC_FDP_PROM2PAY_HEADER INTO WA_FKC_FDP_PROM2PAY_HEADER.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CONTRACTACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CACONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAPROMISETOPAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CAPROMISETOPAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CAPROMISETOPAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CABPTHATPROMISEDPAYMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CABPTHATPROMISEDPAYMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CABPTHATPROMISEDPAYMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAPRMSTOPAYCREATEDASRPLCMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CAPRMSTOPAYCREATEDASRPLCMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CAPRMSTOPAYCREATEDASRPLCMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CACHARGESDOCNMBRFORPRMSTOPAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CACHARGESDOCNMBRFORPRMSTOPAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CACHARGESDOCNMBRFORPRMSTOPAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAINTRSTDOCNMBRFORPRMSTOPAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CAINTRSTDOCNMBRFORPRMSTOPAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CAINTRSTDOCNMBRFORPRMSTOPAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CAINTRSTADJMTDOCNMBRFORPRMS2P
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKC_FDP_PROM2PAY_HEADER-CAINTRSTADJMTDOCNMBRFORPRMS2P
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_FDP_PROM2PAY_HEADER-CAINTRSTADJMTDOCNMBRFORPRMS2P.
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_FKC_FDP_PROM2PAY_HEADER_STR, 
CACORRESPONDENCETYPE TYPE STRING,
CACORRESPONDENCE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
COMPANYCODE TYPE STRING,
CONTRACTACCOUNTNAME TYPE STRING,
LANGUAGE TYPE STRING,
CORRESPONDENCEISSUEDATE TYPE STRING,
CORRESPONDENCE1STENTITYDATA TYPE STRING,
CAPROMISETOPAY TYPE STRING,
CABPTHATPROMISEDPAYMENT TYPE STRING,
CAPROMISETOPAYREASON TYPE STRING,
CAPROMISETOPAYWTHDRWLREASON TYPE STRING,
CAPROMISETOPAYCATEGORY TYPE STRING,
CAWORKFLOWCHECKREASON TYPE STRING,
CANUMBEROFCHECKS TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
CAPROMISEDAMOUNT TYPE STRING,
CAPROMISETOPAYCHARGESAMOUNT TYPE STRING,
CAPROMISETOPAYINTERESTAMOUNT TYPE STRING,
CAISSIMPLEPROMISETOPAY TYPE STRING,
CAPAYMENTAMOUNTINTRANSCURRENCY TYPE STRING,
CAAMOUNTCLEAREDBYOTHERMEANS TYPE STRING,
CAPROMISETOPAYSTATUS TYPE STRING,
CAPROMISETOPAYFULFILLMENTLVL TYPE STRING,
CASTATUSWASSUBSEQUENTLYCHGD TYPE STRING,
CAPRMSTOPAYCREATEDASRPLCMT TYPE STRING,
CACHARGESDOCNMBRFORPRMSTOPAY TYPE STRING,
CAINTRSTDOCNMBRFORPRMSTOPAY TYPE STRING,
CAINTRSTADJMTDOCNMBRFORPRMS2P TYPE STRING,
CAINDIVIDUALINSTLMNTSAREAGREED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKC_FDP_PROM2PAY_HEADER_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_FKC_FDP_PROM2PAY_HEADER_STR-CACORRESPONDENCETYPE sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CACORRESPONDENCE sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-BUSINESSPARTNER sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CONTRACTACCOUNT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CACONTRACT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-COMPANYCODE sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CONTRACTACCOUNTNAME sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-LANGUAGE sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CORRESPONDENCEISSUEDATE sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CORRESPONDENCE1STENTITYDATA sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CABPTHATPROMISEDPAYMENT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYREASON sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYWTHDRWLREASON sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYCATEGORY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAWORKFLOWCHECKREASON sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CANUMBEROFCHECKS sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-PAYMENTCURRENCY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISEDAMOUNT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYCHARGESAMOUNT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYINTERESTAMOUNT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAISSIMPLEPROMISETOPAY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPAYMENTAMOUNTINTRANSCURRENCY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAAMOUNTCLEAREDBYOTHERMEANS sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYSTATUS sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPROMISETOPAYFULFILLMENTLVL sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CASTATUSWASSUBSEQUENTLYCHGD sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAPRMSTOPAYCREATEDASRPLCMT sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CACHARGESDOCNMBRFORPRMSTOPAY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAINTRSTDOCNMBRFORPRMSTOPAY sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAINTRSTADJMTDOCNMBRFORPRMS2P sy-vline 
WA_FKC_FDP_PROM2PAY_HEADER_STR-CAINDIVIDUALINSTLMNTSAREAGREED sy-vline      INTO ld_text SEPARATED BY SPACE.

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