ABAP Select data from SAP table FMRPF_CONSUMPTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMRPF_CONSUMPTION
*  INTO TABLE @DATA(IT_FMRPF_CONSUMPTION2).
*--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_FMRPF_CONSUMPTION INDEX 1 INTO DATA(WA_FMRPF_CONSUMPTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMRPF_CONSUMPTION>-FIKRS = 1.
<FMRPF_CONSUMPTION>-RLDNR = 1.
<FMRPF_CONSUMPTION>-BTART = 1.
<FMRPF_CONSUMPTION>-GJAHR = 1.
<FMRPF_CONSUMPTION>-GNJHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMRPF_CONSUMPTION-PERIO, sy-vline,
  WA_FMRPF_CONSUMPTION-FONDS, sy-vline,
  WA_FMRPF_CONSUMPTION-FISTL, sy-vline,
  WA_FMRPF_CONSUMPTION-FIPEX, sy-vline,
  WA_FMRPF_CONSUMPTION-FAREA, sy-vline,
  WA_FMRPF_CONSUMPTION-MEASURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMRPF_CONSUMPTION 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_FMRPF_CONSUMPTION 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_FMRPF_CONSUMPTION INTO WA_FMRPF_CONSUMPTION.


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

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

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

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

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRPF_CONSUMPTION-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRPF_CONSUMPTION-GRANT_NBR.
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_FMRPF_CONSUMPTION_STR, 
FIKRS TYPE STRING,
RLDNR TYPE STRING,
BTART TYPE STRING,
GJAHR TYPE STRING,
GNJHR TYPE STRING,
PERIO TYPE STRING,
FONDS TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
FAREA TYPE STRING,
MEASURE TYPE STRING,
BUS_AREA TYPE STRING,
USERDIM TYPE STRING,
BUDGET_PD TYPE STRING,
GRANT_NBR TYPE STRING,
WRTTP TYPE STRING,
STATS TYPE STRING,
TRBTR TYPE STRING,
FKBTR TYPE STRING,
TWAER TYPE STRING,
DBCNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMRPF_CONSUMPTION_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_FMRPF_CONSUMPTION_STR-FIKRS sy-vline 
WA_FMRPF_CONSUMPTION_STR-RLDNR sy-vline 
WA_FMRPF_CONSUMPTION_STR-BTART sy-vline 
WA_FMRPF_CONSUMPTION_STR-GJAHR sy-vline 
WA_FMRPF_CONSUMPTION_STR-GNJHR sy-vline 
WA_FMRPF_CONSUMPTION_STR-PERIO sy-vline 
WA_FMRPF_CONSUMPTION_STR-FONDS sy-vline 
WA_FMRPF_CONSUMPTION_STR-FISTL sy-vline 
WA_FMRPF_CONSUMPTION_STR-FIPEX sy-vline 
WA_FMRPF_CONSUMPTION_STR-FAREA sy-vline 
WA_FMRPF_CONSUMPTION_STR-MEASURE sy-vline 
WA_FMRPF_CONSUMPTION_STR-BUS_AREA sy-vline 
WA_FMRPF_CONSUMPTION_STR-USERDIM sy-vline 
WA_FMRPF_CONSUMPTION_STR-BUDGET_PD sy-vline 
WA_FMRPF_CONSUMPTION_STR-GRANT_NBR sy-vline 
WA_FMRPF_CONSUMPTION_STR-WRTTP sy-vline 
WA_FMRPF_CONSUMPTION_STR-STATS sy-vline 
WA_FMRPF_CONSUMPTION_STR-TRBTR sy-vline 
WA_FMRPF_CONSUMPTION_STR-FKBTR sy-vline 
WA_FMRPF_CONSUMPTION_STR-TWAER sy-vline 
WA_FMRPF_CONSUMPTION_STR-DBCNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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