ABAP Select data from SAP table FKKEXC_CHEQUE_POSTAL_ORD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKKEXC_CHEQUE_POSTAL_ORD 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_CHEQUE_POSTAL_ORD. 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_CHEQUE_POSTAL_ORD 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_CHEQUE_POSTAL_ORD TYPE STANDARD TABLE OF FKKEXC_CHEQUE_POSTAL_ORD,
      WA_FKKEXC_CHEQUE_POSTAL_ORD TYPE FKKEXC_CHEQUE_POSTAL_ORD,
      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_CHEQUE_POSTAL_ORD> TYPE FKKEXC_CHEQUE_POSTAL_ORD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKEXC_CHEQUE_POSTAL_ORD
*  INTO TABLE @DATA(IT_FKKEXC_CHEQUE_POSTAL_ORD2).
*--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_CHEQUE_POSTAL_ORD INDEX 1 INTO DATA(WA_FKKEXC_CHEQUE_POSTAL_ORD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKEXC_CHEQUE_POSTAL_ORD>-CHCKN = 1.
<FKKEXC_CHEQUE_POSTAL_ORD>-BANKL = 1.
<FKKEXC_CHEQUE_POSTAL_ORD>-BANKS = 1.
<FKKEXC_CHEQUE_POSTAL_ORD>-XPGRO = 1.
<FKKEXC_CHEQUE_POSTAL_ORD>-BANKN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKEXC_CHEQUE_POSTAL_ORD-BKONT, sy-vline,
  WA_FKKEXC_CHEQUE_POSTAL_ORD-BKREF, sy-vline,
  WA_FKKEXC_CHEQUE_POSTAL_ORD-PSTNO, sy-vline,
  WA_FKKEXC_CHEQUE_POSTAL_ORD-TXTVW, sy-vline,
  WA_FKKEXC_CHEQUE_POSTAL_ORD-KOINH, sy-vline,
  WA_FKKEXC_CHEQUE_POSTAL_ORD-INFOF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKEXC_CHEQUE_POSTAL_ORD 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_CHEQUE_POSTAL_ORD 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_CHEQUE_POSTAL_ORD INTO WA_FKKEXC_CHEQUE_POSTAL_ORD.


*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_CHEQUE_POSTAL_ORD_STR, 
CHCKN TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
XPGRO TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
PSTNO TYPE STRING,
TXTVW TYPE STRING,
KOINH TYPE STRING,
INFOF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKEXC_CHEQUE_POSTAL_ORD_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_CHEQUE_POSTAL_ORD_STR-CHCKN sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-BANKL sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-BANKS sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-XPGRO sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-BANKN sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-BKONT sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-BKREF sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-PSTNO sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-TXTVW sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-KOINH sy-vline 
WA_FKKEXC_CHEQUE_POSTAL_ORD_STR-INFOF sy-vline      INTO ld_text SEPARATED BY SPACE.

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