ABAP Select data from SAP table CALLOCFLOWFARE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CALLOCFLOWFARE
*  INTO TABLE @DATA(IT_CALLOCFLOWFARE2).
*--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_CALLOCFLOWFARE INDEX 1 INTO DATA(WA_CALLOCFLOWFARE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CALLOCFLOWFARE>-MANDT = 1.
<CALLOCFLOWFARE>-FUNCTIONALAREA = 1.
<CALLOCFLOWFARE>-ALLOCATIONCYCLENAME = 1.
<CALLOCFLOWFARE>-LEDGER = 1.
<CALLOCFLOWFARE>-ALLOCATIONCYCLESTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CALLOCFLOWFARE-ALLOCATIONACTUALPLANVARIANT, sy-vline,
  WA_CALLOCFLOWFARE-ALLOCATIONPOSTINGTYPE, sy-vline,
  WA_CALLOCFLOWFARE-GLACCOUNT, sy-vline,
  WA_CALLOCFLOWFARE-ALLOCATIONCYCLECATEGORY, sy-vline,
  WA_CALLOCFLOWFARE-TOTALDEBITAMOUNT, sy-vline,
  WA_CALLOCFLOWFARE-TOTALCREDITAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CALLOCFLOWFARE 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_CALLOCFLOWFARE 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_CALLOCFLOWFARE INTO WA_CALLOCFLOWFARE.


*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 LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CALLOCFLOWFARE-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CALLOCFLOWFARE-LEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CALLOCFLOWFARE-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CALLOCFLOWFARE-GLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALLOCATIONCYCLECATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CALLOCFLOWFARE-ALLOCATIONCYCLECATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CALLOCFLOWFARE-ALLOCATIONCYCLECATEGORY.
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_CALLOCFLOWFARE_STR, 
MANDT TYPE STRING,
FUNCTIONALAREA TYPE STRING,
ALLOCATIONCYCLENAME TYPE STRING,
LEDGER TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONACTUALPLANVARIANT TYPE STRING,
ALLOCATIONPOSTINGTYPE TYPE STRING,
GLACCOUNT TYPE STRING,
ALLOCATIONCYCLECATEGORY TYPE STRING,
TOTALDEBITAMOUNT TYPE STRING,
TOTALCREDITAMOUNT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
CONTROLLINGAREA TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
ALLOCACTUALPLANVARIANTTEXT TYPE STRING,
ALLOCATIONPOSTINGTYPETEXT TYPE STRING,
FUNCTIONALAREANAME TYPE STRING,
GLACCOUNTNAME TYPE STRING,
LEDGERNAME TYPE STRING,
ALLOCATIONCYCLENAMETEXT TYPE STRING,
PLANNINGCATEGORYNAME TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
ALLOCATIONENTITYISCENTRAL TYPE STRING,
ALLOCATIONDISPLAYCURRENCYTYPE TYPE STRING,
ALLOCCASHFLOWCENTRALENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CALLOCFLOWFARE_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_CALLOCFLOWFARE_STR-MANDT sy-vline 
WA_CALLOCFLOWFARE_STR-FUNCTIONALAREA sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONCYCLENAME sy-vline 
WA_CALLOCFLOWFARE_STR-LEDGER sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONACTUALPLANVARIANT sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONPOSTINGTYPE sy-vline 
WA_CALLOCFLOWFARE_STR-GLACCOUNT sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONCYCLECATEGORY sy-vline 
WA_CALLOCFLOWFARE_STR-TOTALDEBITAMOUNT sy-vline 
WA_CALLOCFLOWFARE_STR-TOTALCREDITAMOUNT sy-vline 
WA_CALLOCFLOWFARE_STR-DISPLAYCURRENCY sy-vline 
WA_CALLOCFLOWFARE_STR-CHARTOFACCOUNTS sy-vline 
WA_CALLOCFLOWFARE_STR-CONTROLLINGAREA sy-vline 
WA_CALLOCFLOWFARE_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCACTUALPLANVARIANTTEXT sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONPOSTINGTYPETEXT sy-vline 
WA_CALLOCFLOWFARE_STR-FUNCTIONALAREANAME sy-vline 
WA_CALLOCFLOWFARE_STR-GLACCOUNTNAME sy-vline 
WA_CALLOCFLOWFARE_STR-LEDGERNAME sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONCYCLENAMETEXT sy-vline 
WA_CALLOCFLOWFARE_STR-PLANNINGCATEGORYNAME sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONTYPE sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONENTITYISCENTRAL sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCATIONDISPLAYCURRENCYTYPE sy-vline 
WA_CALLOCFLOWFARE_STR-ALLOCCASHFLOWCENTRALENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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