ABAP Select data from SAP table PKZVATFORTABTOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PKZVATFORTABTOT
*  INTO TABLE @DATA(IT_PKZVATFORTABTOT2).
*--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_PKZVATFORTABTOT INDEX 1 INTO DATA(WA_PKZVATFORTABTOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PKZVATFORTABTOT>-MANDT = 1.
<PKZVATFORTABTOT>-STATRYRPTGENTITY = 1.
<PKZVATFORTABTOT>-STATRYRPTCATEGORY = 1.
<PKZVATFORTABTOT>-STATRYRPTRUNID = 1.
<PKZVATFORTABTOT>-LINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PKZVATFORTABTOT-TAXBASEAMOUNTINCOCODECRCY, sy-vline,
  WA_PKZVATFORTABTOT-VATTOBEPAID, sy-vline,
  WA_PKZVATFORTABTOT-PAIDVAT, sy-vline,
  WA_PKZVATFORTABTOT-TAXBASEAMOUNTINCOCODECRCYPREV, sy-vline,
  WA_PKZVATFORTABTOT-VATTOBEPAIDPREV, sy-vline,
  WA_PKZVATFORTABTOT-PAIDVATPREV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PKZVATFORTABTOT 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_PKZVATFORTABTOT 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_PKZVATFORTABTOT INTO WA_PKZVATFORTABTOT.


*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_PKZVATFORTABTOT_STR, 
MANDT TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
LINE TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
VATTOBEPAID TYPE STRING,
PAIDVAT TYPE STRING,
TAXBASEAMOUNTINCOCODECRCYPREV TYPE STRING,
VATTOBEPAIDPREV TYPE STRING,
PAIDVATPREV TYPE STRING,
TOTALPAIDVAT TYPE STRING,
CURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PKZVATFORTABTOT_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_PKZVATFORTABTOT_STR-MANDT sy-vline 
WA_PKZVATFORTABTOT_STR-STATRYRPTGENTITY sy-vline 
WA_PKZVATFORTABTOT_STR-STATRYRPTCATEGORY sy-vline 
WA_PKZVATFORTABTOT_STR-STATRYRPTRUNID sy-vline 
WA_PKZVATFORTABTOT_STR-LINE sy-vline 
WA_PKZVATFORTABTOT_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PKZVATFORTABTOT_STR-VATTOBEPAID sy-vline 
WA_PKZVATFORTABTOT_STR-PAIDVAT sy-vline 
WA_PKZVATFORTABTOT_STR-TAXBASEAMOUNTINCOCODECRCYPREV sy-vline 
WA_PKZVATFORTABTOT_STR-VATTOBEPAIDPREV sy-vline 
WA_PKZVATFORTABTOT_STR-PAIDVATPREV sy-vline 
WA_PKZVATFORTABTOT_STR-TOTALPAIDVAT sy-vline 
WA_PKZVATFORTABTOT_STR-CURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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