ABAP Select data from SAP table TFM09 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TFM09 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 TFM09. 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 TFM09 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_TFM09 TYPE STANDARD TABLE OF TFM09,
      WA_TFM09 TYPE TFM09,
      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: <TFM09> TYPE TFM09.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TFM09.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TFM09
  INTO TABLE IT_TFM09.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TFM09
*  INTO TABLE @DATA(IT_TFM092).
*--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_TFM09 INDEX 1 INTO DATA(WA_TFM092).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TFM09 ASSIGNING <TFM09>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TFM09>-PROZESS = 1.
<TFM09>-PVERSION = 1.
<TFM09>-FUNKTID = 1.
<TFM09>-FVERSION = 1.
<TFM09>-FVARIANT = 1.

ENDLOOP.

LOOP AT IT_TFM09 INTO WA_TFM09.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TFM09-EVENTFLG, sy-vline,
  WA_TFM09-EVENTID, sy-vline,
  WA_TFM09-VERSION, sy-vline,
  WA_TFM09-FSTUSER, sy-vline,
  WA_TFM09-FSTDATE, sy-vline,
  WA_TFM09-FSTTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TFM09 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_TFM09 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_TFM09 INTO WA_TFM09.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_TFM09_STR, 
PROZESS TYPE STRING,
PVERSION TYPE STRING,
FUNKTID TYPE STRING,
FVERSION TYPE STRING,
FVARIANT TYPE STRING,
EVENTFLG TYPE STRING,
EVENTID TYPE STRING,
VERSION TYPE STRING,
FSTUSER TYPE STRING,
FSTDATE TYPE STRING,
FSTTIME TYPE STRING,
LSTUSER TYPE STRING,
LSTDATE TYPE STRING,
LSTTIME TYPE STRING,
LOESCHZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TFM09_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_TFM09_STR-PROZESS sy-vline 
WA_TFM09_STR-PVERSION sy-vline 
WA_TFM09_STR-FUNKTID sy-vline 
WA_TFM09_STR-FVERSION sy-vline 
WA_TFM09_STR-FVARIANT sy-vline 
WA_TFM09_STR-EVENTFLG sy-vline 
WA_TFM09_STR-EVENTID sy-vline 
WA_TFM09_STR-VERSION sy-vline 
WA_TFM09_STR-FSTUSER sy-vline 
WA_TFM09_STR-FSTDATE sy-vline 
WA_TFM09_STR-FSTTIME sy-vline 
WA_TFM09_STR-LSTUSER sy-vline 
WA_TFM09_STR-LSTDATE sy-vline 
WA_TFM09_STR-LSTTIME sy-vline 
WA_TFM09_STR-LOESCHZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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