ABAP Select data from SAP table FKKEXC_PAYINFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEXC_PAYINFO
*  INTO TABLE @DATA(IT_FKKEXC_PAYINFO2).
*--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_FKKEXC_PAYINFO INDEX 1 INTO DATA(WA_FKKEXC_PAYINFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEXC_PAYINFO>-MANDT = 1.
<FKKEXC_PAYINFO>-OFFIC = 1.
<FKKEXC_PAYINFO>-CHDSK = 1.
<FKKEXC_PAYINFO>-PAYID = 1.
<FKKEXC_PAYINFO>-PAYTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEXC_PAYINFO-POSNR, sy-vline,
  WA_FKKEXC_PAYINFO-CCINS, sy-vline,
  WA_FKKEXC_PAYINFO-CCNUM, sy-vline,
  WA_FKKEXC_PAYINFO-CCFOL, sy-vline,
  WA_FKKEXC_PAYINFO-DATAB, sy-vline,
  WA_FKKEXC_PAYINFO-DATBI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEXC_PAYINFO 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_FKKEXC_PAYINFO 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_FKKEXC_PAYINFO INTO WA_FKKEXC_PAYINFO.


*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_FKKEXC_PAYINFO_STR, 
MANDT TYPE STRING,
OFFIC TYPE STRING,
CHDSK TYPE STRING,
PAYID TYPE STRING,
PAYTP TYPE STRING,
POSNR TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CCFOL TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
CCNAME TYPE STRING,
CGUID TYPE STRING,
ENCTP 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,
CHCKN TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
XPGRO TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
PSTNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEXC_PAYINFO_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_FKKEXC_PAYINFO_STR-MANDT sy-vline 
WA_FKKEXC_PAYINFO_STR-OFFIC sy-vline 
WA_FKKEXC_PAYINFO_STR-CHDSK sy-vline 
WA_FKKEXC_PAYINFO_STR-PAYID sy-vline 
WA_FKKEXC_PAYINFO_STR-PAYTP sy-vline 
WA_FKKEXC_PAYINFO_STR-POSNR sy-vline 
WA_FKKEXC_PAYINFO_STR-CCINS sy-vline 
WA_FKKEXC_PAYINFO_STR-CCNUM sy-vline 
WA_FKKEXC_PAYINFO_STR-CCFOL sy-vline 
WA_FKKEXC_PAYINFO_STR-DATAB sy-vline 
WA_FKKEXC_PAYINFO_STR-DATBI sy-vline 
WA_FKKEXC_PAYINFO_STR-CCNAME sy-vline 
WA_FKKEXC_PAYINFO_STR-CGUID sy-vline 
WA_FKKEXC_PAYINFO_STR-ENCTP sy-vline 
WA_FKKEXC_PAYINFO_STR-AUNUM sy-vline 
WA_FKKEXC_PAYINFO_STR-AUTRA sy-vline 
WA_FKKEXC_PAYINFO_STR-AUDAT sy-vline 
WA_FKKEXC_PAYINFO_STR-AUTIM sy-vline 
WA_FKKEXC_PAYINFO_STR-AUART sy-vline 
WA_FKKEXC_PAYINFO_STR-AUTWR sy-vline 
WA_FKKEXC_PAYINFO_STR-CCWAE sy-vline 
WA_FKKEXC_PAYINFO_STR-MERCH sy-vline 
WA_FKKEXC_PAYINFO_STR-EXPDT sy-vline 
WA_FKKEXC_PAYINFO_STR-EXPTM sy-vline 
WA_FKKEXC_PAYINFO_STR-EXTMP sy-vline 
WA_FKKEXC_PAYINFO_STR-AUTMP sy-vline 
WA_FKKEXC_PAYINFO_STR-AUCID sy-vline 
WA_FKKEXC_PAYINFO_STR-AVREF sy-vline 
WA_FKKEXC_PAYINFO_STR-DP_AUTH_REL_ID sy-vline 
WA_FKKEXC_PAYINFO_STR-DP_FRAUD_RISK sy-vline 
WA_FKKEXC_PAYINFO_STR-BUDAT sy-vline 
WA_FKKEXC_PAYINFO_STR-BETRW sy-vline 
WA_FKKEXC_PAYINFO_STR-WAERS sy-vline 
WA_FKKEXC_PAYINFO_STR-BUKRS sy-vline 
WA_FKKEXC_PAYINFO_STR-VALUT sy-vline 
WA_FKKEXC_PAYINFO_STR-CHCKN sy-vline 
WA_FKKEXC_PAYINFO_STR-BANKL sy-vline 
WA_FKKEXC_PAYINFO_STR-BANKS sy-vline 
WA_FKKEXC_PAYINFO_STR-XPGRO sy-vline 
WA_FKKEXC_PAYINFO_STR-BANKN sy-vline 
WA_FKKEXC_PAYINFO_STR-BKONT sy-vline 
WA_FKKEXC_PAYINFO_STR-BKREF sy-vline 
WA_FKKEXC_PAYINFO_STR-PSTNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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