ABAP Select data from SAP table FIPLD_MMINVTAX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIPLD_MMINVTAX
*  INTO TABLE @DATA(IT_FIPLD_MMINVTAX2).
*--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_FIPLD_MMINVTAX INDEX 1 INTO DATA(WA_FIPLD_MMINVTAX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIPLD_MMINVTAX>-MANDT = 1.
<FIPLD_MMINVTAX>-BUKRS = 1.
<FIPLD_MMINVTAX>-BELNR = 1.
<FIPLD_MMINVTAX>-GJAHR = 1.
<FIPLD_MMINVTAX>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIPLD_MMINVTAX-BLDAT, sy-vline,
  WA_FIPLD_MMINVTAX-BELNR1, sy-vline,
  WA_FIPLD_MMINVTAX-GJAHR1, sy-vline,
  WA_FIPLD_MMINVTAX-BUDAT, sy-vline,
  WA_FIPLD_MMINVTAX-MWART, sy-vline,
  WA_FIPLD_MMINVTAX-MWSKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIPLD_MMINVTAX 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_FIPLD_MMINVTAX 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_FIPLD_MMINVTAX INTO WA_FIPLD_MMINVTAX.


*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 ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-BELNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BELNR1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-BELNR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-BELNR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-GJAHR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-GJAHR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-HWBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-HWBAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-HWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-HWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FIPLD_MMINVTAX-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPLD_MMINVTAX-KURSF.
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_FIPLD_MMINVTAX_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BLDAT TYPE STRING,
BELNR1 TYPE STRING,
GJAHR1 TYPE STRING,
BUDAT TYPE STRING,
MWART TYPE STRING,
MWSKZ TYPE STRING,
TAX_CODE_OFFICIA TYPE STRING,
KBETR TYPE STRING,
HWBAS TYPE STRING,
TAX_BASE_DESC TYPE STRING,
STMDT TYPE STRING,
HWSTE TYPE STRING,
FWSTE TYPE STRING,
KURSF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIPLD_MMINVTAX_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_FIPLD_MMINVTAX_STR-MANDT sy-vline 
WA_FIPLD_MMINVTAX_STR-BUKRS sy-vline 
WA_FIPLD_MMINVTAX_STR-BELNR sy-vline 
WA_FIPLD_MMINVTAX_STR-GJAHR sy-vline 
WA_FIPLD_MMINVTAX_STR-BUZEI sy-vline 
WA_FIPLD_MMINVTAX_STR-BLDAT sy-vline 
WA_FIPLD_MMINVTAX_STR-BELNR1 sy-vline 
WA_FIPLD_MMINVTAX_STR-GJAHR1 sy-vline 
WA_FIPLD_MMINVTAX_STR-BUDAT sy-vline 
WA_FIPLD_MMINVTAX_STR-MWART sy-vline 
WA_FIPLD_MMINVTAX_STR-MWSKZ sy-vline 
WA_FIPLD_MMINVTAX_STR-TAX_CODE_OFFICIA sy-vline 
WA_FIPLD_MMINVTAX_STR-KBETR sy-vline 
WA_FIPLD_MMINVTAX_STR-HWBAS sy-vline 
WA_FIPLD_MMINVTAX_STR-TAX_BASE_DESC sy-vline 
WA_FIPLD_MMINVTAX_STR-STMDT sy-vline 
WA_FIPLD_MMINVTAX_STR-HWSTE sy-vline 
WA_FIPLD_MMINVTAX_STR-FWSTE sy-vline 
WA_FIPLD_MMINVTAX_STR-KURSF sy-vline      INTO ld_text SEPARATED BY SPACE.

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