ABAP Select data from SAP table /TMF/D_REP_FISC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/D_REP_FISC
*  INTO TABLE @DATA(IT_/TMF/D_REP_FISC2).
*--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_/TMF/D_REP_FISC INDEX 1 INTO DATA(WA_/TMF/D_REP_FISC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TMF/D_REP_FISC>-MANDT = 1.
</TMF/D_REP_FISC>-REPORT_ID = 1.
</TMF/D_REP_FISC>-REPORT_NAME = 1.
</TMF/D_REP_FISC>-PERIODICITY = 1.
</TMF/D_REP_FISC>-REPORT_LEVEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/D_REP_FISC-RECTIFIABLE, sy-vline,
  WA_/TMF/D_REP_FISC-AUX_FILES, sy-vline,
  WA_/TMF/D_REP_FISC-FISCAL_PERIOD, sy-vline,
  WA_/TMF/D_REP_FISC-FILE_TYPE, sy-vline,
  WA_/TMF/D_REP_FISC-KEY_FIELD, sy-vline,
  WA_/TMF/D_REP_FISC-ACRONYM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/D_REP_FISC 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_/TMF/D_REP_FISC 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_/TMF/D_REP_FISC INTO WA_/TMF/D_REP_FISC.


*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_/TMF/D_REP_FISC_STR, 
MANDT TYPE STRING,
REPORT_ID TYPE STRING,
REPORT_NAME TYPE STRING,
PERIODICITY TYPE STRING,
REPORT_LEVEL TYPE STRING,
RECTIFIABLE TYPE STRING,
AUX_FILES TYPE STRING,
FISCAL_PERIOD TYPE STRING,
FILE_TYPE TYPE STRING,
KEY_FIELD TYPE STRING,
ACRONYM TYPE STRING,
LOG_LEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/D_REP_FISC_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_/TMF/D_REP_FISC_STR-MANDT sy-vline 
WA_/TMF/D_REP_FISC_STR-REPORT_ID sy-vline 
WA_/TMF/D_REP_FISC_STR-REPORT_NAME sy-vline 
WA_/TMF/D_REP_FISC_STR-PERIODICITY sy-vline 
WA_/TMF/D_REP_FISC_STR-REPORT_LEVEL sy-vline 
WA_/TMF/D_REP_FISC_STR-RECTIFIABLE sy-vline 
WA_/TMF/D_REP_FISC_STR-AUX_FILES sy-vline 
WA_/TMF/D_REP_FISC_STR-FISCAL_PERIOD sy-vline 
WA_/TMF/D_REP_FISC_STR-FILE_TYPE sy-vline 
WA_/TMF/D_REP_FISC_STR-KEY_FIELD sy-vline 
WA_/TMF/D_REP_FISC_STR-ACRONYM sy-vline 
WA_/TMF/D_REP_FISC_STR-LOG_LEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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