ABAP Select data from SAP table ISAFTBNKSTITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISAFTBNKSTITM
*  INTO TABLE @DATA(IT_ISAFTBNKSTITM2).
*--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_ISAFTBNKSTITM INDEX 1 INTO DATA(WA_ISAFTBNKSTITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISAFTBNKSTITM>-MANDT = 1.
<ISAFTBNKSTITM>-BANKSTATEMENTSHORTID = 1.
<ISAFTBNKSTITM>-BANKSTATEMENTITEM = 1.
<ISAFTBNKSTITM>-ORIGINALCURRENCY = 1.
<ISAFTBNKSTITM>-TRANSACTIONCURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISAFTBNKSTITM-AMOUNTINORIGINALCURRENCY, sy-vline,
  WA_ISAFTBNKSTITM-VALUEDATE, sy-vline,
  WA_ISAFTBNKSTITM-BUSINESSPARTNER, sy-vline,
  WA_ISAFTBNKSTITM-DOCUMENTITEMTEXT, sy-vline,
  WA_ISAFTBNKSTITM-BANKACCOUNTCURRENCY, sy-vline,
  WA_ISAFTBNKSTITM-AMOUNTINBANKACCOUNTCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISAFTBNKSTITM 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_ISAFTBNKSTITM 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_ISAFTBNKSTITM INTO WA_ISAFTBNKSTITM.


*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 AC132, internal->external for field AMOUNTINORIGINALCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_ISAFTBNKSTITM-AMOUNTINORIGINALCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISAFTBNKSTITM-AMOUNTINORIGINALCURRENCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field AMOUNTINBANKACCOUNTCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_ISAFTBNKSTITM-AMOUNTINBANKACCOUNTCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISAFTBNKSTITM-AMOUNTINBANKACCOUNTCURRENCY.
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_ISAFTBNKSTITM_STR, 
MANDT TYPE STRING,
BANKSTATEMENTSHORTID TYPE STRING,
BANKSTATEMENTITEM TYPE STRING,
ORIGINALCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINORIGINALCURRENCY TYPE STRING,
VALUEDATE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
BANKACCOUNTCURRENCY TYPE STRING,
AMOUNTINBANKACCOUNTCURRENCY TYPE STRING,
DEBITCREDITCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISAFTBNKSTITM_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_ISAFTBNKSTITM_STR-MANDT sy-vline 
WA_ISAFTBNKSTITM_STR-BANKSTATEMENTSHORTID sy-vline 
WA_ISAFTBNKSTITM_STR-BANKSTATEMENTITEM sy-vline 
WA_ISAFTBNKSTITM_STR-ORIGINALCURRENCY sy-vline 
WA_ISAFTBNKSTITM_STR-TRANSACTIONCURRENCY sy-vline 
WA_ISAFTBNKSTITM_STR-AMOUNTINORIGINALCURRENCY sy-vline 
WA_ISAFTBNKSTITM_STR-VALUEDATE sy-vline 
WA_ISAFTBNKSTITM_STR-BUSINESSPARTNER sy-vline 
WA_ISAFTBNKSTITM_STR-DOCUMENTITEMTEXT sy-vline 
WA_ISAFTBNKSTITM_STR-BANKACCOUNTCURRENCY sy-vline 
WA_ISAFTBNKSTITM_STR-AMOUNTINBANKACCOUNTCURRENCY sy-vline 
WA_ISAFTBNKSTITM_STR-DEBITCREDITCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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