ABAP Select data from SAP table FIWTES_S_M111HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIWTES_S_M111HEADER 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 FIWTES_S_M111HEADER. 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 FIWTES_S_M111HEADER 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_FIWTES_S_M111HEADER TYPE STANDARD TABLE OF FIWTES_S_M111HEADER,
      WA_FIWTES_S_M111HEADER TYPE FIWTES_S_M111HEADER,
      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: <FIWTES_S_M111HEADER> TYPE FIWTES_S_M111HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FIWTES_S_M111HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FIWTES_S_M111HEADER
  INTO TABLE IT_FIWTES_S_M111HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIWTES_S_M111HEADER
*  INTO TABLE @DATA(IT_FIWTES_S_M111HEADER2).
*--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_FIWTES_S_M111HEADER INDEX 1 INTO DATA(WA_FIWTES_S_M111HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FIWTES_S_M111HEADER ASSIGNING <FIWTES_S_M111HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIWTES_S_M111HEADER>-CONSTANTTAG = 1.
<FIWTES_S_M111HEADER>-FORM = 1.
<FIWTES_S_M111HEADER>-CONSTANT0 = 1.
<FIWTES_S_M111HEADER>-REPORTINGYEAR = 1.
<FIWTES_S_M111HEADER>-REPORTINGPERIOD = 1.

ENDLOOP.

LOOP AT IT_FIWTES_S_M111HEADER INTO WA_FIWTES_S_M111HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIWTES_S_M111HEADER-CONSTANT0000, sy-vline,
  WA_FIWTES_S_M111HEADER-CONSTANTAUX, sy-vline,
  WA_FIWTES_S_M111HEADER-RESERVEDFORTAXOFFICE1, sy-vline,
  WA_FIWTES_S_M111HEADER-PROGRAMVERSION, sy-vline,
  WA_FIWTES_S_M111HEADER-RESERVEDFORTAXOFFICE2, sy-vline,
  WA_FIWTES_S_M111HEADER-TAXIDSOFTWARECOMPANY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIWTES_S_M111HEADER 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_FIWTES_S_M111HEADER 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_FIWTES_S_M111HEADER INTO WA_FIWTES_S_M111HEADER.


*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_FIWTES_S_M111HEADER_STR, 
CONSTANTTAG TYPE STRING,
FORM TYPE STRING,
CONSTANT0 TYPE STRING,
REPORTINGYEAR TYPE STRING,
REPORTINGPERIOD TYPE STRING,
CONSTANT0000 TYPE STRING,
CONSTANTAUX TYPE STRING,
RESERVEDFORTAXOFFICE1 TYPE STRING,
PROGRAMVERSION TYPE STRING,
RESERVEDFORTAXOFFICE2 TYPE STRING,
TAXIDSOFTWARECOMPANY TYPE STRING,
RESERVEDFORTAXOFFICE3 TYPE STRING,
CONSTANTAUXEND TYPE STRING,
M111SUMMARY TYPE STRING,
CONSTANTTAG TYPE STRING,
FORMCODE TYPE STRING,
PAGECODE TYPE STRING,
FORMCODEEND TYPE STRING,
CORRECTIONRUN TYPE STRING,
RETURNTYPE TYPE STRING,
TAX_ID_NIF TYPE STRING,
SURNAMES TYPE STRING,
NAME TYPE STRING,
REPORTINGYEAR TYPE STRING,
REPORTINGPERIOD TYPE STRING,
EMPMONETARYINCTOTPARTNER TYPE STRING,
EMPMONETARYINCBASEAMOUNT TYPE STRING,
EMPMONETARYINCTAXAMOUNT TYPE STRING,
EMPINKINDINCTOTPARTNER TYPE STRING,
EMPINKINDINCBASEAMOUNT TYPE STRING,
EMPINKINDINCTAXAMOUNT TYPE STRING,
ECONMONETARYINCTOTPARTNER TYPE STRING,
ECONMONETARYINCBASEAMOUNT TYPE STRING,
ECONMONETARYINCTAXAMOUNT TYPE STRING,
ECONINKINDINCTOTPARTNER TYPE STRING,
ECONINKINDINCBASEAMOUNT TYPE STRING,
ECONINKINDINCTAXAMOUNT TYPE STRING,
PRIZMONETARYINCTOTPARTNER TYPE STRING,
PRIZMONETARYINCBASEAMOUNT TYPE STRING,
PRIZMONETARYINCTAXAMOUNT TYPE STRING,
PRIZINKINDINCTOTPARTNER TYPE STRING,
PRIZINKINDINCBASEAMOUNT TYPE STRING,
PRIZINKINDINCTAXAMOUNT TYPE STRING,
FORMONETARYINCTOTPARTNER TYPE STRING,
FORMONETARYINCBASEAMOUNT TYPE STRING,
FORMONETARYINCTAXAMOUNT TYPE STRING,
FORINKINDINCTOTPARTNER TYPE STRING,
FORINKINDINCBASEAMOUNT TYPE STRING,
FORINKINDINCTAXAMOUNT TYPE STRING,
IMGMONETARYINCTOTPARTNER TYPE STRING,
IMGMONETARYINCTBASEAMOUNT TYPE STRING,
IMGMONETARYINCTAXAMOUNT TYPE STRING,
TOTPAYMENT TYPE STRING,
TOTPAYMENTPRVSDECL TYPE STRING,
TOTDIFFPAYMENT TYPE STRING,
CORRECTIONRUNFORM TYPE STRING,
CORRECTIONFORMCODE TYPE STRING,
TAXADMIN1 TYPE STRING,
PAYMENTIBAN TYPE STRING,
TAXADMIN2 TYPE STRING,
TAXADMIN3 TYPE STRING,
CONSTANTTAGEND TYPE STRING,
CONSTANTT1110 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIWTES_S_M111HEADER_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_FIWTES_S_M111HEADER_STR-CONSTANTTAG sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORM sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANT0 sy-vline 
WA_FIWTES_S_M111HEADER_STR-REPORTINGYEAR sy-vline 
WA_FIWTES_S_M111HEADER_STR-REPORTINGPERIOD sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANT0000 sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANTAUX sy-vline 
WA_FIWTES_S_M111HEADER_STR-RESERVEDFORTAXOFFICE1 sy-vline 
WA_FIWTES_S_M111HEADER_STR-PROGRAMVERSION sy-vline 
WA_FIWTES_S_M111HEADER_STR-RESERVEDFORTAXOFFICE2 sy-vline 
WA_FIWTES_S_M111HEADER_STR-TAXIDSOFTWARECOMPANY sy-vline 
WA_FIWTES_S_M111HEADER_STR-RESERVEDFORTAXOFFICE3 sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANTAUXEND sy-vline 
WA_FIWTES_S_M111HEADER_STR-M111SUMMARY sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANTTAG sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORMCODE sy-vline 
WA_FIWTES_S_M111HEADER_STR-PAGECODE sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORMCODEEND sy-vline 
WA_FIWTES_S_M111HEADER_STR-CORRECTIONRUN sy-vline 
WA_FIWTES_S_M111HEADER_STR-RETURNTYPE sy-vline 
WA_FIWTES_S_M111HEADER_STR-TAX_ID_NIF sy-vline 
WA_FIWTES_S_M111HEADER_STR-SURNAMES sy-vline 
WA_FIWTES_S_M111HEADER_STR-NAME sy-vline 
WA_FIWTES_S_M111HEADER_STR-REPORTINGYEAR sy-vline 
WA_FIWTES_S_M111HEADER_STR-REPORTINGPERIOD sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPMONETARYINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPMONETARYINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPMONETARYINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPINKINDINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPINKINDINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-EMPINKINDINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONMONETARYINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONMONETARYINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONMONETARYINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONINKINDINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONINKINDINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-ECONINKINDINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZMONETARYINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZMONETARYINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZMONETARYINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZINKINDINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZINKINDINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-PRIZINKINDINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORMONETARYINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORMONETARYINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORMONETARYINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORINKINDINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORINKINDINCBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-FORINKINDINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-IMGMONETARYINCTOTPARTNER sy-vline 
WA_FIWTES_S_M111HEADER_STR-IMGMONETARYINCTBASEAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-IMGMONETARYINCTAXAMOUNT sy-vline 
WA_FIWTES_S_M111HEADER_STR-TOTPAYMENT sy-vline 
WA_FIWTES_S_M111HEADER_STR-TOTPAYMENTPRVSDECL sy-vline 
WA_FIWTES_S_M111HEADER_STR-TOTDIFFPAYMENT sy-vline 
WA_FIWTES_S_M111HEADER_STR-CORRECTIONRUNFORM sy-vline 
WA_FIWTES_S_M111HEADER_STR-CORRECTIONFORMCODE sy-vline 
WA_FIWTES_S_M111HEADER_STR-TAXADMIN1 sy-vline 
WA_FIWTES_S_M111HEADER_STR-PAYMENTIBAN sy-vline 
WA_FIWTES_S_M111HEADER_STR-TAXADMIN2 sy-vline 
WA_FIWTES_S_M111HEADER_STR-TAXADMIN3 sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANTTAGEND sy-vline 
WA_FIWTES_S_M111HEADER_STR-CONSTANTT1110 sy-vline      INTO ld_text SEPARATED BY SPACE.

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