ABAP Select data from SAP table TF115 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TF115 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 TF115. 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 TF115 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_TF115 TYPE STANDARD TABLE OF TF115,
      WA_TF115 TYPE TF115,
      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: <TF115> TYPE TF115.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TF115.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TF115
  INTO TABLE IT_TF115.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TF115
*  INTO TABLE @DATA(IT_TF1152).
*--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_TF115 INDEX 1 INTO DATA(WA_TF1152).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TF115 ASSIGNING <TF115>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TF115>-MANDT = 1.
<TF115>-SITYP = 1.
<TF115>-SITEM = 1.
<TF115>-SIGN = 1.
<TF115>-UPCFO = 1.

ENDLOOP.

LOOP AT IT_TF115 INTO WA_TF115.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TF115-FMLIND, sy-vline,
  WA_TF115-CFIND, sy-vline,
  WA_TF115-SDEIND, sy-vline,
  WA_TF115-CYIND, sy-vline,
  WA_TF115-UPRET, sy-vline,
  WA_TF115-UPACQ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TF115 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_TF115 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_TF115 INTO WA_TF115.


*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_TF115_STR, 
MANDT TYPE STRING,
SITYP TYPE STRING,
SITEM TYPE STRING,
SIGN TYPE STRING,
UPCFO TYPE STRING,
FMLIND TYPE STRING,
CFIND TYPE STRING,
SDEIND TYPE STRING,
CYIND TYPE STRING,
UPRET TYPE STRING,
UPACQ TYPE STRING,
UPMER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TF115_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_TF115_STR-MANDT sy-vline 
WA_TF115_STR-SITYP sy-vline 
WA_TF115_STR-SITEM sy-vline 
WA_TF115_STR-SIGN sy-vline 
WA_TF115_STR-UPCFO sy-vline 
WA_TF115_STR-FMLIND sy-vline 
WA_TF115_STR-CFIND sy-vline 
WA_TF115_STR-SDEIND sy-vline 
WA_TF115_STR-CYIND sy-vline 
WA_TF115_STR-UPRET sy-vline 
WA_TF115_STR-UPACQ sy-vline 
WA_TF115_STR-UPMER sy-vline      INTO ld_text SEPARATED BY SPACE.

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