ABAP Select data from SAP table BUS0BK_DI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BUS0BK_DI 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 BUS0BK_DI. 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 BUS0BK_DI 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_BUS0BK_DI TYPE STANDARD TABLE OF BUS0BK_DI,
      WA_BUS0BK_DI TYPE BUS0BK_DI,
      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: <BUS0BK_DI> TYPE BUS0BK_DI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BUS0BK_DI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BUS0BK_DI
  INTO TABLE IT_BUS0BK_DI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS0BK_DI
*  INTO TABLE @DATA(IT_BUS0BK_DI2).
*--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_BUS0BK_DI INDEX 1 INTO DATA(WA_BUS0BK_DI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BUS0BK_DI ASSIGNING <BUS0BK_DI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS0BK_DI>-BKVID = 1.
<BUS0BK_DI>-CHIND_BANK = 1.
<BUS0BK_DI>-BANKS = 1.
<BUS0BK_DI>-BANKL = 1.
<BUS0BK_DI>-BANKN = 1.

ENDLOOP.

LOOP AT IT_BUS0BK_DI INTO WA_BUS0BK_DI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS0BK_DI-BKONT, sy-vline,
  WA_BUS0BK_DI-BKREF, sy-vline,
  WA_BUS0BK_DI-KOINH, sy-vline,
  WA_BUS0BK_DI-BKEXT, sy-vline,
  WA_BUS0BK_DI-XEZER, sy-vline,
  WA_BUS0BK_DI-ACCNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS0BK_DI 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_BUS0BK_DI 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_BUS0BK_DI INTO WA_BUS0BK_DI.


*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_BUS0BK_DI_STR, 
BKVID TYPE STRING,
CHIND_BANK TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
KOINH TYPE STRING,
BKEXT TYPE STRING,
XEZER TYPE STRING,
ACCNAME TYPE STRING,
MOVE_BKVID TYPE STRING,
PROTECT TYPE STRING,
ALIAS_IS_USED TYPE STRING,
BK_DATE_FROM TYPE STRING,
BK_DATE_TO TYPE STRING,
BK_MOVE_DATE TYPE STRING,
IBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS0BK_DI_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_BUS0BK_DI_STR-BKVID sy-vline 
WA_BUS0BK_DI_STR-CHIND_BANK sy-vline 
WA_BUS0BK_DI_STR-BANKS sy-vline 
WA_BUS0BK_DI_STR-BANKL sy-vline 
WA_BUS0BK_DI_STR-BANKN sy-vline 
WA_BUS0BK_DI_STR-BKONT sy-vline 
WA_BUS0BK_DI_STR-BKREF sy-vline 
WA_BUS0BK_DI_STR-KOINH sy-vline 
WA_BUS0BK_DI_STR-BKEXT sy-vline 
WA_BUS0BK_DI_STR-XEZER sy-vline 
WA_BUS0BK_DI_STR-ACCNAME sy-vline 
WA_BUS0BK_DI_STR-MOVE_BKVID sy-vline 
WA_BUS0BK_DI_STR-PROTECT sy-vline 
WA_BUS0BK_DI_STR-ALIAS_IS_USED sy-vline 
WA_BUS0BK_DI_STR-BK_DATE_FROM sy-vline 
WA_BUS0BK_DI_STR-BK_DATE_TO sy-vline 
WA_BUS0BK_DI_STR-BK_MOVE_DATE sy-vline 
WA_BUS0BK_DI_STR-IBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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