ABAP Select data from SAP table ICFLOWBSC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICFLOWBSC
*  INTO TABLE @DATA(IT_ICFLOWBSC2).
*--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_ICFLOWBSC INDEX 1 INTO DATA(WA_ICFLOWBSC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICFLOWBSC>-MANDT = 1.
<ICFLOWBSC>-CASHFLOWID = 1.
<ICFLOWBSC>-VALIDFROM = 1.
<ICFLOWBSC>-EXPIRATIONDATE = 1.
<ICFLOWBSC>-ORIGINDOCUMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICFLOWBSC-BANKSTATEMENTSHORTID, sy-vline,
  WA_ICFLOWBSC-TRANSACTIONDATE, sy-vline,
  WA_ICFLOWBSC-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_ICFLOWBSC-TRANSACTIONCURRENCY, sy-vline,
  WA_ICFLOWBSC-DOCUMENTITEMTEXT, sy-vline,
  WA_ICFLOWBSC-BANKACCOUNTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICFLOWBSC 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_ICFLOWBSC 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_ICFLOWBSC INTO WA_ICFLOWBSC.


*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_ICFLOWBSC-LIQUIDITYITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICFLOWBSC-LIQUIDITYITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICFLOWBSC-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICFLOWBSC-ACCOUNTINGDOCUMENT.
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_ICFLOWBSC_STR, 
MANDT TYPE STRING,
CASHFLOWID TYPE STRING,
VALIDFROM TYPE STRING,
EXPIRATIONDATE TYPE STRING,
ORIGINDOCUMENT TYPE STRING,
BANKSTATEMENTSHORTID TYPE STRING,
TRANSACTIONDATE TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
COMPANYCODE TYPE STRING,
BANKSTATEMENTITEM TYPE STRING,
PLANNINGLEVEL TYPE STRING,
LIQUIDITYITEM TYPE STRING,
MEMORECORDSTATISTICITEM TYPE STRING,
MEMORECORDSTATUS TYPE STRING,
CERTAINTYLEVEL TYPE STRING,
ISVALID TYPE STRING,
CASHRELEASESTATUS TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
ORIGINAPPLICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICFLOWBSC_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_ICFLOWBSC_STR-MANDT sy-vline 
WA_ICFLOWBSC_STR-CASHFLOWID sy-vline 
WA_ICFLOWBSC_STR-VALIDFROM sy-vline 
WA_ICFLOWBSC_STR-EXPIRATIONDATE sy-vline 
WA_ICFLOWBSC_STR-ORIGINDOCUMENT sy-vline 
WA_ICFLOWBSC_STR-BANKSTATEMENTSHORTID sy-vline 
WA_ICFLOWBSC_STR-TRANSACTIONDATE sy-vline 
WA_ICFLOWBSC_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ICFLOWBSC_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICFLOWBSC_STR-DOCUMENTITEMTEXT sy-vline 
WA_ICFLOWBSC_STR-BANKACCOUNTINTERNALID sy-vline 
WA_ICFLOWBSC_STR-COMPANYCODE sy-vline 
WA_ICFLOWBSC_STR-BANKSTATEMENTITEM sy-vline 
WA_ICFLOWBSC_STR-PLANNINGLEVEL sy-vline 
WA_ICFLOWBSC_STR-LIQUIDITYITEM sy-vline 
WA_ICFLOWBSC_STR-MEMORECORDSTATISTICITEM sy-vline 
WA_ICFLOWBSC_STR-MEMORECORDSTATUS sy-vline 
WA_ICFLOWBSC_STR-CERTAINTYLEVEL sy-vline 
WA_ICFLOWBSC_STR-ISVALID sy-vline 
WA_ICFLOWBSC_STR-CASHRELEASESTATUS sy-vline 
WA_ICFLOWBSC_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_ICFLOWBSC_STR-ORIGINAPPLICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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