ABAP Select data from SAP table BKK_STR_REL_BKK43X into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BKK_STR_REL_BKK43X 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 BKK_STR_REL_BKK43X. 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 BKK_STR_REL_BKK43X 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_BKK_STR_REL_BKK43X TYPE STANDARD TABLE OF BKK_STR_REL_BKK43X,
      WA_BKK_STR_REL_BKK43X TYPE BKK_STR_REL_BKK43X,
      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: <BKK_STR_REL_BKK43X> TYPE BKK_STR_REL_BKK43X.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BKK_STR_REL_BKK43X.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BKK_STR_REL_BKK43X
  INTO TABLE IT_BKK_STR_REL_BKK43X.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BKK_STR_REL_BKK43X
*  INTO TABLE @DATA(IT_BKK_STR_REL_BKK43X2).
*--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_BKK_STR_REL_BKK43X INDEX 1 INTO DATA(WA_BKK_STR_REL_BKK43X2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BKK_STR_REL_BKK43X ASSIGNING <BKK_STR_REL_BKK43X>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BKK_STR_REL_BKK43X>-REFERENCEACCOUNTCATEGORY = 1.
<BKK_STR_REL_BKK43X>-REFACCBANKAREA = 1.
<BKK_STR_REL_BKK43X>-INTERESTPOSTINGACCOUNT = 1.
<BKK_STR_REL_BKK43X>-REFACCCOUNTRYKEY = 1.
<BKK_STR_REL_BKK43X>-REFACCBANKKEY = 1.

ENDLOOP.

LOOP AT IT_BKK_STR_REL_BKK43X INTO WA_BKK_STR_REL_BKK43X.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BKK_STR_REL_BKK43X-REFACCACCOUNTEXTNUMBER, sy-vline,
  WA_BKK_STR_REL_BKK43X-SWIFT_CODE, sy-vline,
  WA_BKK_STR_REL_BKK43X-BANKCONTROLKEY, sy-vline,
  WA_BKK_STR_REL_BKK43X-REFACCIBAN, sy-vline,
  WA_BKK_STR_REL_BKK43X-REFACCACCOUNTHOLDER, sy-vline,
  WA_BKK_STR_REL_BKK43X-TRANSACTIONTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BKK_STR_REL_BKK43X 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_BKK_STR_REL_BKK43X 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_BKK_STR_REL_BKK43X INTO WA_BKK_STR_REL_BKK43X.


*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_BKK_STR_REL_BKK43X_STR, 
REFERENCEACCOUNTCATEGORY TYPE STRING,
REFACCBANKAREA TYPE STRING,
INTERESTPOSTINGACCOUNT TYPE STRING,
REFACCCOUNTRYKEY TYPE STRING,
REFACCBANKKEY TYPE STRING,
REFACCACCOUNTEXTNUMBER TYPE STRING,
SWIFT_CODE TYPE STRING,
BANKCONTROLKEY TYPE STRING,
REFACCIBAN TYPE STRING,
REFACCACCOUNTHOLDER TYPE STRING,
TRANSACTIONTYPE TYPE STRING,
TRANSACTIONTYPE2 TYPE STRING,
PAYMENTMETHOD TYPE STRING,
FLGNOCHECKDIGITCALC TYPE STRING,
ACCOUNTCLOSURENOTE1 TYPE STRING,
ACCOUNTCLOSURENOTE2 TYPE STRING,
ACCOUNTCLOSURENOTE3 TYPE STRING,
ACCOUNTCLOSURENOTE4 TYPE STRING,
CONTAINERFIELD1 TYPE STRING,
CONTAINERFIELD2 TYPE STRING,
CONTAINERFIELD3 TYPE STRING,
CONTAINERFIELD4 TYPE STRING,
CONTAINERFIELD5 TYPE STRING,
CONTAINERFIELD6 TYPE STRING,
REFACCRELEASESTATUS TYPE STRING,
REFACCDECLINEKEY TYPE STRING,
MANDATE_ID TYPE STRING,
UCI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BKK_STR_REL_BKK43X_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_BKK_STR_REL_BKK43X_STR-REFERENCEACCOUNTCATEGORY sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCBANKAREA sy-vline 
WA_BKK_STR_REL_BKK43X_STR-INTERESTPOSTINGACCOUNT sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCCOUNTRYKEY sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCBANKKEY sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCACCOUNTEXTNUMBER sy-vline 
WA_BKK_STR_REL_BKK43X_STR-SWIFT_CODE sy-vline 
WA_BKK_STR_REL_BKK43X_STR-BANKCONTROLKEY sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCIBAN sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCACCOUNTHOLDER sy-vline 
WA_BKK_STR_REL_BKK43X_STR-TRANSACTIONTYPE sy-vline 
WA_BKK_STR_REL_BKK43X_STR-TRANSACTIONTYPE2 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-PAYMENTMETHOD sy-vline 
WA_BKK_STR_REL_BKK43X_STR-FLGNOCHECKDIGITCALC sy-vline 
WA_BKK_STR_REL_BKK43X_STR-ACCOUNTCLOSURENOTE1 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-ACCOUNTCLOSURENOTE2 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-ACCOUNTCLOSURENOTE3 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-ACCOUNTCLOSURENOTE4 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD1 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD2 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD3 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD4 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD5 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-CONTAINERFIELD6 sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCRELEASESTATUS sy-vline 
WA_BKK_STR_REL_BKK43X_STR-REFACCDECLINEKEY sy-vline 
WA_BKK_STR_REL_BKK43X_STR-MANDATE_ID sy-vline 
WA_BKK_STR_REL_BKK43X_STR-UCI sy-vline      INTO ld_text SEPARATED BY SPACE.

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