ABAP Select data from SAP table IFCSTINBK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFCSTINBK
*  INTO TABLE @DATA(IT_IFCSTINBK2).
*--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_IFCSTINBK INDEX 1 INTO DATA(WA_IFCSTINBK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFCSTINBK>-MANDT = 1.
<IFCSTINBK>-CASHFLOWID = 1.
<IFCSTINBK>-VALIDFROM = 1.
<IFCSTINBK>-LANGUAGE = 1.
<IFCSTINBK>-VALIDTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFCSTINBK-ORIGINDOCUMENT, sy-vline,
  WA_IFCSTINBK-CERTAINTYLEVEL, sy-vline,
  WA_IFCSTINBK-DOMAINVALUENAME, sy-vline,
  WA_IFCSTINBK-LIQUIDITYITEM, sy-vline,
  WA_IFCSTINBK-LIQUIDITYITEMNAME, sy-vline,
  WA_IFCSTINBK-PLANNINGLEVEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFCSTINBK 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_IFCSTINBK 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_IFCSTINBK INTO WA_IFCSTINBK.


*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 ALPHA, internal->external for field LIQUIDITYITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFCSTINBK-LIQUIDITYITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFCSTINBK-LIQUIDITYITEM.
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_IFCSTINBK_STR, 
MANDT TYPE STRING,
CASHFLOWID TYPE STRING,
VALIDFROM TYPE STRING,
LANGUAGE TYPE STRING,
VALIDTO TYPE STRING,
ORIGINDOCUMENT TYPE STRING,
CERTAINTYLEVEL TYPE STRING,
DOMAINVALUENAME TYPE STRING,
LIQUIDITYITEM TYPE STRING,
LIQUIDITYITEMNAME TYPE STRING,
PLANNINGLEVEL TYPE STRING,
PLANNINGLEVELNAME TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
VALUEDATE TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
BANKACCOUNT TYPE STRING,
COMPANYCODE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
BANKACCOUNTCURRENCY TYPE STRING,
AMOUNTINBANKACCOUNTCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFCSTINBK_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_IFCSTINBK_STR-MANDT sy-vline 
WA_IFCSTINBK_STR-CASHFLOWID sy-vline 
WA_IFCSTINBK_STR-VALIDFROM sy-vline 
WA_IFCSTINBK_STR-LANGUAGE sy-vline 
WA_IFCSTINBK_STR-VALIDTO sy-vline 
WA_IFCSTINBK_STR-ORIGINDOCUMENT sy-vline 
WA_IFCSTINBK_STR-CERTAINTYLEVEL sy-vline 
WA_IFCSTINBK_STR-DOMAINVALUENAME sy-vline 
WA_IFCSTINBK_STR-LIQUIDITYITEM sy-vline 
WA_IFCSTINBK_STR-LIQUIDITYITEMNAME sy-vline 
WA_IFCSTINBK_STR-PLANNINGLEVEL sy-vline 
WA_IFCSTINBK_STR-PLANNINGLEVELNAME sy-vline 
WA_IFCSTINBK_STR-DOCUMENTITEMTEXT sy-vline 
WA_IFCSTINBK_STR-VALUEDATE sy-vline 
WA_IFCSTINBK_STR-BANKACCOUNTINTERNALID sy-vline 
WA_IFCSTINBK_STR-BANKACCOUNT sy-vline 
WA_IFCSTINBK_STR-COMPANYCODE sy-vline 
WA_IFCSTINBK_STR-TRANSACTIONCURRENCY sy-vline 
WA_IFCSTINBK_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_IFCSTINBK_STR-BANKACCOUNTCURRENCY sy-vline 
WA_IFCSTINBK_STR-AMOUNTINBANKACCOUNTCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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