ABAP Select data from SAP table BAPI_IBKK_ACCNT_MDATAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_IBKK_ACCNT_MDATAIN
*  INTO TABLE @DATA(IT_BAPI_IBKK_ACCNT_MDATAIN2).
*--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_BAPI_IBKK_ACCNT_MDATAIN INDEX 1 INTO DATA(WA_BAPI_IBKK_ACCNT_MDATAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_IBKK_ACCNT_MDATAIN>-SEARCHFIELD1 = 1.
<BAPI_IBKK_ACCNT_MDATAIN>-SEARCHFIELD2 = 1.
<BAPI_IBKK_ACCNT_MDATAIN>-ACCOUNTDELETEDATE = 1.
<BAPI_IBKK_ACCNT_MDATAIN>-ACCOUNTPRODUCTIVEDATE = 1.
<BAPI_IBKK_ACCNT_MDATAIN>-ACCOUNTBALANCEDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_IBKK_ACCNT_MDATAIN-ADDITIONALACCOUNTSTATUS, sy-vline,
  WA_BAPI_IBKK_ACCNT_MDATAIN-ACCOUNTOFFER, sy-vline,
  WA_BAPI_IBKK_ACCNT_MDATAIN-FLAGNOCHECKDIGITCALCULATION, sy-vline,
  WA_BAPI_IBKK_ACCNT_MDATAIN-ACCOUNTOPENDATE, sy-vline,
  WA_BAPI_IBKK_ACCNT_MDATAIN-PLANNEDCLDATE, sy-vline,
  WA_BAPI_IBKK_ACCNT_MDATAIN-CLOSUREREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_IBKK_ACCNT_MDATAIN 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_BAPI_IBKK_ACCNT_MDATAIN 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_BAPI_IBKK_ACCNT_MDATAIN INTO WA_BAPI_IBKK_ACCNT_MDATAIN.


*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_BAPI_IBKK_ACCNT_MDATAIN_STR, 
SEARCHFIELD1 TYPE STRING,
SEARCHFIELD2 TYPE STRING,
ACCOUNTDELETEDATE TYPE STRING,
ACCOUNTPRODUCTIVEDATE TYPE STRING,
ACCOUNTBALANCEDATE TYPE STRING,
ADDITIONALACCOUNTSTATUS TYPE STRING,
ACCOUNTOFFER TYPE STRING,
FLAGNOCHECKDIGITCALCULATION TYPE STRING,
ACCOUNTOPENDATE TYPE STRING,
PLANNEDCLDATE TYPE STRING,
CLOSUREREASON TYPE STRING,
PRENOTCLOSURE TYPE STRING,
PRENOTDAYS TYPE STRING,
CLOSURECORR TYPE STRING,
PRINTCHGCORR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_IBKK_ACCNT_MDATAIN_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_BAPI_IBKK_ACCNT_MDATAIN_STR-SEARCHFIELD1 sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-SEARCHFIELD2 sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ACCOUNTDELETEDATE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ACCOUNTPRODUCTIVEDATE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ACCOUNTBALANCEDATE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ADDITIONALACCOUNTSTATUS sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ACCOUNTOFFER sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-FLAGNOCHECKDIGITCALCULATION sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-ACCOUNTOPENDATE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-PLANNEDCLDATE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-CLOSUREREASON sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-PRENOTCLOSURE sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-PRENOTDAYS sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-CLOSURECORR sy-vline 
WA_BAPI_IBKK_ACCNT_MDATAIN_STR-PRINTCHGCORR sy-vline      INTO ld_text SEPARATED BY SPACE.

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