ABAP Select data from SAP table BAPI_IBKK_ACCNT_LIMIT 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_LIMIT 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_LIMIT. 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_LIMIT 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_LIMIT TYPE STANDARD TABLE OF BAPI_IBKK_ACCNT_LIMIT,
      WA_BAPI_IBKK_ACCNT_LIMIT TYPE BAPI_IBKK_ACCNT_LIMIT,
      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_LIMIT> TYPE BAPI_IBKK_ACCNT_LIMIT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_IBKK_ACCNT_LIMIT
*  INTO TABLE @DATA(IT_BAPI_IBKK_ACCNT_LIMIT2).
*--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_LIMIT INDEX 1 INTO DATA(WA_BAPI_IBKK_ACCNT_LIMIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_IBKK_ACCNT_LIMIT>-LIMITTYPE = 1.
<BAPI_IBKK_ACCNT_LIMIT>-DESCRLIMITTYPE = 1.
<BAPI_IBKK_ACCNT_LIMIT>-VALIDTO = 1.
<BAPI_IBKK_ACCNT_LIMIT>-VALIDFROM = 1.
<BAPI_IBKK_ACCNT_LIMIT>-LIMITRELEASE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_IBKK_ACCNT_LIMIT-LIMITCURRENCY, sy-vline,
  WA_BAPI_IBKK_ACCNT_LIMIT-DESCRCURRENCY, sy-vline,
  WA_BAPI_IBKK_ACCNT_LIMIT-LIMITCURRENCYISO, sy-vline,
  WA_BAPI_IBKK_ACCNT_LIMIT-LIMITSUM, sy-vline,
  WA_BAPI_IBKK_ACCNT_LIMIT-REFERENCELIMITID, sy-vline,
  WA_BAPI_IBKK_ACCNT_LIMIT-DESCRREFERENCELIMIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_IBKK_ACCNT_LIMIT 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_LIMIT 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_LIMIT INTO WA_BAPI_IBKK_ACCNT_LIMIT.


*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_LIMIT_STR, 
LIMITTYPE TYPE STRING,
DESCRLIMITTYPE TYPE STRING,
VALIDTO TYPE STRING,
VALIDFROM TYPE STRING,
LIMITRELEASE TYPE STRING,
LIMITCURRENCY TYPE STRING,
DESCRCURRENCY TYPE STRING,
LIMITCURRENCYISO TYPE STRING,
LIMITSUM TYPE STRING,
REFERENCELIMITID TYPE STRING,
DESCRREFERENCELIMIT TYPE STRING,
FLGLIMITDELETEMARK TYPE STRING,
CHANGEUSER TYPE STRING,
FLGCHECKINTERNALLIMIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_IBKK_ACCNT_LIMIT_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_LIMIT_STR-LIMITTYPE sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-DESCRLIMITTYPE sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-VALIDTO sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-VALIDFROM sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-LIMITRELEASE sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-LIMITCURRENCY sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-DESCRCURRENCY sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-LIMITCURRENCYISO sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-LIMITSUM sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-REFERENCELIMITID sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-DESCRREFERENCELIMIT sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-FLGLIMITDELETEMARK sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-CHANGEUSER sy-vline 
WA_BAPI_IBKK_ACCNT_LIMIT_STR-FLGCHECKINTERNALLIMIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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