ABAP Select data from SAP table IFM_S_RFFMRC00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IFM_S_RFFMRC00 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 IFM_S_RFFMRC00. 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 IFM_S_RFFMRC00 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_IFM_S_RFFMRC00 TYPE STANDARD TABLE OF IFM_S_RFFMRC00,
      WA_IFM_S_RFFMRC00 TYPE IFM_S_RFFMRC00,
      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: <IFM_S_RFFMRC00> TYPE IFM_S_RFFMRC00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IFM_S_RFFMRC00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IFM_S_RFFMRC00
  INTO TABLE IT_IFM_S_RFFMRC00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFM_S_RFFMRC00
*  INTO TABLE @DATA(IT_IFM_S_RFFMRC002).
*--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_IFM_S_RFFMRC00 INDEX 1 INTO DATA(WA_IFM_S_RFFMRC002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IFM_S_RFFMRC00 ASSIGNING <IFM_S_RFFMRC00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFM_S_RFFMRC00>-COMMITMENT_ITEM = 1.
<IFM_S_RFFMRC00>-FUND_CENTER = 1.
<IFM_S_RFFMRC00>-FUND = 1.
<IFM_S_RFFMRC00>-FUNCTIONAL_AREA = 1.
<IFM_S_RFFMRC00>-MEASURE = 1.

ENDLOOP.

LOOP AT IT_IFM_S_RFFMRC00 INTO WA_IFM_S_RFFMRC00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFM_S_RFFMRC00-GRANT_NBR, sy-vline,
  WA_IFM_S_RFFMRC00-BUS_AREA, sy-vline,
  WA_IFM_S_RFFMRC00-GL_ACCOUNT, sy-vline,
  WA_IFM_S_RFFMRC00-STATISTIC_FLAG, sy-vline,
  WA_IFM_S_RFFMRC00-CARRY_FORWARD, sy-vline,
  WA_IFM_S_RFFMRC00-OBJECT_NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFM_S_RFFMRC00 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_IFM_S_RFFMRC00 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_IFM_S_RFFMRC00 INTO WA_IFM_S_RFFMRC00.


*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 FMCIL, internal->external for field COMMITMENT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_IFM_S_RFFMRC00-COMMITMENT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_S_RFFMRC00-COMMITMENT_ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFM_S_RFFMRC00-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_S_RFFMRC00-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GL_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFM_S_RFFMRC00-GL_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_S_RFFMRC00-GL_ACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field YEAR_DUE
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFM_S_RFFMRC00-YEAR_DUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_S_RFFMRC00-YEAR_DUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFM_S_RFFMRC00-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_S_RFFMRC00-GJAHR.
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_IFM_S_RFFMRC00_STR, 
COMMITMENT_ITEM TYPE STRING,
FUND_CENTER TYPE STRING,
FUND TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
MEASURE TYPE STRING,
GRANT_NBR TYPE STRING,
BUS_AREA TYPE STRING,
GL_ACCOUNT TYPE STRING,
STATISTIC_FLAG TYPE STRING,
CARRY_FORWARD TYPE STRING,
OBJECT_NUMBER TYPE STRING,
YEAR_DUE TYPE STRING,
AMOUNT_TOTAL TYPE STRING,
LINE_ITEM_TOTAL TYPE STRING,
AMOUNT_TYPE TYPE STRING,
LEDGER TYPE STRING,
GJAHR TYPE STRING,
PERIOD TYPE STRING,
VRGNG TYPE STRING,
VALUE_TYPE TYPE STRING,
TWAER TYPE STRING,
BUDGET_PD TYPE STRING,
LIST_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFM_S_RFFMRC00_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_IFM_S_RFFMRC00_STR-COMMITMENT_ITEM sy-vline 
WA_IFM_S_RFFMRC00_STR-FUND_CENTER sy-vline 
WA_IFM_S_RFFMRC00_STR-FUND sy-vline 
WA_IFM_S_RFFMRC00_STR-FUNCTIONAL_AREA sy-vline 
WA_IFM_S_RFFMRC00_STR-MEASURE sy-vline 
WA_IFM_S_RFFMRC00_STR-GRANT_NBR sy-vline 
WA_IFM_S_RFFMRC00_STR-BUS_AREA sy-vline 
WA_IFM_S_RFFMRC00_STR-GL_ACCOUNT sy-vline 
WA_IFM_S_RFFMRC00_STR-STATISTIC_FLAG sy-vline 
WA_IFM_S_RFFMRC00_STR-CARRY_FORWARD sy-vline 
WA_IFM_S_RFFMRC00_STR-OBJECT_NUMBER sy-vline 
WA_IFM_S_RFFMRC00_STR-YEAR_DUE sy-vline 
WA_IFM_S_RFFMRC00_STR-AMOUNT_TOTAL sy-vline 
WA_IFM_S_RFFMRC00_STR-LINE_ITEM_TOTAL sy-vline 
WA_IFM_S_RFFMRC00_STR-AMOUNT_TYPE sy-vline 
WA_IFM_S_RFFMRC00_STR-LEDGER sy-vline 
WA_IFM_S_RFFMRC00_STR-GJAHR sy-vline 
WA_IFM_S_RFFMRC00_STR-PERIOD sy-vline 
WA_IFM_S_RFFMRC00_STR-VRGNG sy-vline 
WA_IFM_S_RFFMRC00_STR-VALUE_TYPE sy-vline 
WA_IFM_S_RFFMRC00_STR-TWAER sy-vline 
WA_IFM_S_RFFMRC00_STR-BUDGET_PD sy-vline 
WA_IFM_S_RFFMRC00_STR-LIST_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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