ABAP Select data from SAP table /SAPF15/FMIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPF15/FMIT 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 /SAPF15/FMIT. 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 /SAPF15/FMIT 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_/SAPF15/FMIT TYPE STANDARD TABLE OF /SAPF15/FMIT,
      WA_/SAPF15/FMIT TYPE /SAPF15/FMIT,
      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: </SAPF15/FMIT> TYPE /SAPF15/FMIT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPF15/FMIT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPF15/FMIT
  INTO TABLE IT_/SAPF15/FMIT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPF15/FMIT
*  INTO TABLE @DATA(IT_/SAPF15/FMIT2).
*--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_/SAPF15/FMIT INDEX 1 INTO DATA(WA_/SAPF15/FMIT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPF15/FMIT ASSIGNING </SAPF15/FMIT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPF15/FMIT>-RCLNT = 1.
</SAPF15/FMIT>-RBUKRS = 1.
</SAPF15/FMIT>-RYEAR = 1.
</SAPF15/FMIT>-RLDNR = 1.
</SAPF15/FMIT>-RFISTL = 1.

ENDLOOP.

LOOP AT IT_/SAPF15/FMIT INTO WA_/SAPF15/FMIT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPF15/FMIT-RFIPEX, sy-vline,
  WA_/SAPF15/FMIT-RFONDS, sy-vline,
  WA_/SAPF15/FMIT-RUSERDIM, sy-vline,
  WA_/SAPF15/FMIT-RGNJHR, sy-vline,
  WA_/SAPF15/FMIT-FIKRS, sy-vline,
  WA_/SAPF15/FMIT-SAP_BETRAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPF15/FMIT 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_/SAPF15/FMIT 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_/SAPF15/FMIT INTO WA_/SAPF15/FMIT.


*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 GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/FMIT-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/FMIT-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/FMIT-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/FMIT-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field RFIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/FMIT-RFIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/FMIT-RFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RGNJHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/FMIT-RGNJHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/FMIT-RGNJHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/FMIT-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/FMIT-BELNR.
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_/SAPF15/FMIT_STR, 
RCLNT TYPE STRING,
RBUKRS TYPE STRING,
RYEAR TYPE STRING,
RLDNR TYPE STRING,
RFISTL TYPE STRING,
RFIPEX TYPE STRING,
RFONDS TYPE STRING,
RUSERDIM TYPE STRING,
RGNJHR TYPE STRING,
FIKRS TYPE STRING,
SAP_BETRAG TYPE STRING,
F15_BETRAG TYPE STRING,
HKR_BETRAG TYPE STRING,
HKR_BETRAG_X TYPE STRING,
F15_STATUS TYPE STRING,
BELNR TYPE STRING,
LOESCHKENNZEICHEN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPF15/FMIT_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_/SAPF15/FMIT_STR-RCLNT sy-vline 
WA_/SAPF15/FMIT_STR-RBUKRS sy-vline 
WA_/SAPF15/FMIT_STR-RYEAR sy-vline 
WA_/SAPF15/FMIT_STR-RLDNR sy-vline 
WA_/SAPF15/FMIT_STR-RFISTL sy-vline 
WA_/SAPF15/FMIT_STR-RFIPEX sy-vline 
WA_/SAPF15/FMIT_STR-RFONDS sy-vline 
WA_/SAPF15/FMIT_STR-RUSERDIM sy-vline 
WA_/SAPF15/FMIT_STR-RGNJHR sy-vline 
WA_/SAPF15/FMIT_STR-FIKRS sy-vline 
WA_/SAPF15/FMIT_STR-SAP_BETRAG sy-vline 
WA_/SAPF15/FMIT_STR-F15_BETRAG sy-vline 
WA_/SAPF15/FMIT_STR-HKR_BETRAG sy-vline 
WA_/SAPF15/FMIT_STR-HKR_BETRAG_X sy-vline 
WA_/SAPF15/FMIT_STR-F15_STATUS sy-vline 
WA_/SAPF15/FMIT_STR-BELNR sy-vline 
WA_/SAPF15/FMIT_STR-LOESCHKENNZEICHEN sy-vline      INTO ld_text SEPARATED BY SPACE.

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