ABAP Select data from SAP table FKK_PCARD_1421 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_PCARD_1421 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_PCARD_1421. 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_PCARD_1421 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_PCARD_1421 TYPE STANDARD TABLE OF FKK_PCARD_1421,
      WA_FKK_PCARD_1421 TYPE FKK_PCARD_1421,
      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_PCARD_1421> TYPE FKK_PCARD_1421.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FKK_PCARD_1421.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FKK_PCARD_1421
  INTO TABLE IT_FKK_PCARD_1421.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_PCARD_1421
*  INTO TABLE @DATA(IT_FKK_PCARD_14212).
*--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_PCARD_1421 INDEX 1 INTO DATA(WA_FKK_PCARD_14212).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FKK_PCARD_1421 ASSIGNING <FKK_PCARD_1421>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_PCARD_1421>-MANDT = 1.
<FKK_PCARD_1421>-OPBEL = 1.
<FKK_PCARD_1421>-OPUPK = 1.
<FKK_PCARD_1421>-CCINS = 1.
<FKK_PCARD_1421>-CCNUM = 1.

ENDLOOP.

LOOP AT IT_FKK_PCARD_1421 INTO WA_FKK_PCARD_1421.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_PCARD_1421-CCFOL, sy-vline,
  WA_FKK_PCARD_1421-DATAB, sy-vline,
  WA_FKK_PCARD_1421-DATBI, sy-vline,
  WA_FKK_PCARD_1421-CCNAME, sy-vline,
  WA_FKK_PCARD_1421-AUNUM, sy-vline,
  WA_FKK_PCARD_1421-AUTRA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_PCARD_1421 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_PCARD_1421 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_PCARD_1421 INTO WA_FKK_PCARD_1421.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PCARD_1421-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PCARD_1421-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_PCARD_1421-STDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_PCARD_1421-STDOC.
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_FKK_PCARD_1421_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
OPUPK TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CCFOL TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
CCNAME TYPE STRING,
AUNUM TYPE STRING,
AUTRA TYPE STRING,
AUDAT TYPE STRING,
AUTIM TYPE STRING,
AUART TYPE STRING,
AUTWR TYPE STRING,
CCWAE TYPE STRING,
MERCH TYPE STRING,
EXPDT TYPE STRING,
EXPTM TYPE STRING,
EXTMP TYPE STRING,
AUTMP TYPE STRING,
AUCID TYPE STRING,
AVREF TYPE STRING,
DP_AUTH_REL_ID TYPE STRING,
DP_FRAUD_RISK TYPE STRING,
BUDAT TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
VALUT TYPE STRING,
XSETT TYPE STRING,
LAUFI TYPE STRING,
STDOC TYPE STRING,
RESEND TYPE STRING,
KEYR1 TYPE STRING,
RLGRD TYPE STRING,
CCFAM TYPE STRING,
SRQID TYPE STRING,
SETAM TYPE STRING,
SETCU TYPE STRING,
LAUFI_INFO TYPE STRING,
MWSKZ TYPE STRING,
TAXAM TYPE STRING,
LAUFD_PYP TYPE STRING,
LAUFI_PYP TYPE STRING,
ORIGN_PYP TYPE STRING,
ANZRATE TYPE STRING,
CRDAT TYPE STRING,
CRTMS TYPE STRING,
CRNAM TYPE STRING,
CVVAL TYPE STRING,
CVVCT TYPE STRING,
CVVST TYPE STRING,
CGUID TYPE STRING,
ENCTP TYPE STRING,
XGUID TYPE STRING,
PAYS_PROV TYPE STRING,
PAYS_TRAN TYPE STRING,
ORIG_PAYS_TRAN TYPE STRING,
ORIG_CREDIT TYPE STRING,
_DATAAGING TYPE STRING,
MASKED_ID TYPE STRING,
IBAN TYPE STRING,
SWIFT TYPE STRING,
KOINH_IP TYPE STRING,
TXTVW TYPE STRING,
MEREF_IP TYPE STRING,
BKREF_IP TYPE STRING,
PYREF_IP TYPE STRING,
ERROR TYPE STRING,
TX100 TYPE STRING,
DUPLICATE TYPE STRING,
FINAL_ERROR TYPE STRING,
CS_RLGRD TYPE STRING,
CS_CCFAM TYPE STRING,
CS_SRQID TYPE STRING,
CS_SETAM TYPE STRING,
CS_SETCU TYPE STRING,
CS_AVREF TYPE STRING,
CS_MWSKZ TYPE STRING,
CS_TAXAM TYPE STRING,
CS_CCFAM_NET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_PCARD_1421_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_PCARD_1421_STR-MANDT sy-vline 
WA_FKK_PCARD_1421_STR-OPBEL sy-vline 
WA_FKK_PCARD_1421_STR-OPUPK sy-vline 
WA_FKK_PCARD_1421_STR-CCINS sy-vline 
WA_FKK_PCARD_1421_STR-CCNUM sy-vline 
WA_FKK_PCARD_1421_STR-CCFOL sy-vline 
WA_FKK_PCARD_1421_STR-DATAB sy-vline 
WA_FKK_PCARD_1421_STR-DATBI sy-vline 
WA_FKK_PCARD_1421_STR-CCNAME sy-vline 
WA_FKK_PCARD_1421_STR-AUNUM sy-vline 
WA_FKK_PCARD_1421_STR-AUTRA sy-vline 
WA_FKK_PCARD_1421_STR-AUDAT sy-vline 
WA_FKK_PCARD_1421_STR-AUTIM sy-vline 
WA_FKK_PCARD_1421_STR-AUART sy-vline 
WA_FKK_PCARD_1421_STR-AUTWR sy-vline 
WA_FKK_PCARD_1421_STR-CCWAE sy-vline 
WA_FKK_PCARD_1421_STR-MERCH sy-vline 
WA_FKK_PCARD_1421_STR-EXPDT sy-vline 
WA_FKK_PCARD_1421_STR-EXPTM sy-vline 
WA_FKK_PCARD_1421_STR-EXTMP sy-vline 
WA_FKK_PCARD_1421_STR-AUTMP sy-vline 
WA_FKK_PCARD_1421_STR-AUCID sy-vline 
WA_FKK_PCARD_1421_STR-AVREF sy-vline 
WA_FKK_PCARD_1421_STR-DP_AUTH_REL_ID sy-vline 
WA_FKK_PCARD_1421_STR-DP_FRAUD_RISK sy-vline 
WA_FKK_PCARD_1421_STR-BUDAT sy-vline 
WA_FKK_PCARD_1421_STR-BETRW sy-vline 
WA_FKK_PCARD_1421_STR-WAERS sy-vline 
WA_FKK_PCARD_1421_STR-BUKRS sy-vline 
WA_FKK_PCARD_1421_STR-VALUT sy-vline 
WA_FKK_PCARD_1421_STR-XSETT sy-vline 
WA_FKK_PCARD_1421_STR-LAUFI sy-vline 
WA_FKK_PCARD_1421_STR-STDOC sy-vline 
WA_FKK_PCARD_1421_STR-RESEND sy-vline 
WA_FKK_PCARD_1421_STR-KEYR1 sy-vline 
WA_FKK_PCARD_1421_STR-RLGRD sy-vline 
WA_FKK_PCARD_1421_STR-CCFAM sy-vline 
WA_FKK_PCARD_1421_STR-SRQID sy-vline 
WA_FKK_PCARD_1421_STR-SETAM sy-vline 
WA_FKK_PCARD_1421_STR-SETCU sy-vline 
WA_FKK_PCARD_1421_STR-LAUFI_INFO sy-vline 
WA_FKK_PCARD_1421_STR-MWSKZ sy-vline 
WA_FKK_PCARD_1421_STR-TAXAM sy-vline 
WA_FKK_PCARD_1421_STR-LAUFD_PYP sy-vline 
WA_FKK_PCARD_1421_STR-LAUFI_PYP sy-vline 
WA_FKK_PCARD_1421_STR-ORIGN_PYP sy-vline 
WA_FKK_PCARD_1421_STR-ANZRATE sy-vline 
WA_FKK_PCARD_1421_STR-CRDAT sy-vline 
WA_FKK_PCARD_1421_STR-CRTMS sy-vline 
WA_FKK_PCARD_1421_STR-CRNAM sy-vline 
WA_FKK_PCARD_1421_STR-CVVAL sy-vline 
WA_FKK_PCARD_1421_STR-CVVCT sy-vline 
WA_FKK_PCARD_1421_STR-CVVST sy-vline 
WA_FKK_PCARD_1421_STR-CGUID sy-vline 
WA_FKK_PCARD_1421_STR-ENCTP sy-vline 
WA_FKK_PCARD_1421_STR-XGUID sy-vline 
WA_FKK_PCARD_1421_STR-PAYS_PROV sy-vline 
WA_FKK_PCARD_1421_STR-PAYS_TRAN sy-vline 
WA_FKK_PCARD_1421_STR-ORIG_PAYS_TRAN sy-vline 
WA_FKK_PCARD_1421_STR-ORIG_CREDIT sy-vline 
WA_FKK_PCARD_1421_STR-_DATAAGING sy-vline 
WA_FKK_PCARD_1421_STR-MASKED_ID sy-vline 
WA_FKK_PCARD_1421_STR-IBAN sy-vline 
WA_FKK_PCARD_1421_STR-SWIFT sy-vline 
WA_FKK_PCARD_1421_STR-KOINH_IP sy-vline 
WA_FKK_PCARD_1421_STR-TXTVW sy-vline 
WA_FKK_PCARD_1421_STR-MEREF_IP sy-vline 
WA_FKK_PCARD_1421_STR-BKREF_IP sy-vline 
WA_FKK_PCARD_1421_STR-PYREF_IP sy-vline 
WA_FKK_PCARD_1421_STR-ERROR sy-vline 
WA_FKK_PCARD_1421_STR-TX100 sy-vline 
WA_FKK_PCARD_1421_STR-DUPLICATE sy-vline 
WA_FKK_PCARD_1421_STR-FINAL_ERROR sy-vline 
WA_FKK_PCARD_1421_STR-CS_RLGRD sy-vline 
WA_FKK_PCARD_1421_STR-CS_CCFAM sy-vline 
WA_FKK_PCARD_1421_STR-CS_SRQID sy-vline 
WA_FKK_PCARD_1421_STR-CS_SETAM sy-vline 
WA_FKK_PCARD_1421_STR-CS_SETCU sy-vline 
WA_FKK_PCARD_1421_STR-CS_AVREF sy-vline 
WA_FKK_PCARD_1421_STR-CS_MWSKZ sy-vline 
WA_FKK_PCARD_1421_STR-CS_TAXAM sy-vline 
WA_FKK_PCARD_1421_STR-CS_CCFAM_NET sy-vline      INTO ld_text SEPARATED BY SPACE.

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