ABAP Select data from SAP table PKZVATRETINTOT1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PKZVATRETINTOT1 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 PKZVATRETINTOT1. 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 PKZVATRETINTOT1 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_PKZVATRETINTOT1 TYPE STANDARD TABLE OF PKZVATRETINTOT1,
      WA_PKZVATRETINTOT1 TYPE PKZVATRETINTOT1,
      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: <PKZVATRETINTOT1> TYPE PKZVATRETINTOT1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PKZVATRETINTOT1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PKZVATRETINTOT1
  INTO TABLE IT_PKZVATRETINTOT1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PKZVATRETINTOT1
*  INTO TABLE @DATA(IT_PKZVATRETINTOT12).
*--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_PKZVATRETINTOT1 INDEX 1 INTO DATA(WA_PKZVATRETINTOT12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PKZVATRETINTOT1 ASSIGNING <PKZVATRETINTOT1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PKZVATRETINTOT1>-MANDT = 1.
<PKZVATRETINTOT1>-STATRYRPTGENTITY = 1.
<PKZVATRETINTOT1>-STATRYRPTCATEGORY = 1.
<PKZVATRETINTOT1>-STATRYRPTRUNID = 1.
<PKZVATRETINTOT1>-LINE = 1.

ENDLOOP.

LOOP AT IT_PKZVATRETINTOT1 INTO WA_PKZVATRETINTOT1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PKZVATRETINTOT1-TAXBASEAMOUNTINCOCODECRCY, sy-vline,
  WA_PKZVATRETINTOT1-TAXAMOUNTINCOCODECRCY, sy-vline,
  WA_PKZVATRETINTOT1-CURRENCY, sy-vline,
  WA_PKZVATRETINTOT1-INVOICENUMBER, sy-vline,
  WA_PKZVATRETINTOT1-TAXREPORTINGDATE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PKZVATRETINTOT1 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_PKZVATRETINTOT1 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_PKZVATRETINTOT1 INTO WA_PKZVATRETINTOT1.


*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_PKZVATRETINTOT1_STR, 
MANDT TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
LINE TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
CURRENCY TYPE STRING,
INVOICENUMBER TYPE STRING,
TAXREPORTINGDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PKZVATRETINTOT1_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_PKZVATRETINTOT1_STR-MANDT sy-vline 
WA_PKZVATRETINTOT1_STR-STATRYRPTGENTITY sy-vline 
WA_PKZVATRETINTOT1_STR-STATRYRPTCATEGORY sy-vline 
WA_PKZVATRETINTOT1_STR-STATRYRPTRUNID sy-vline 
WA_PKZVATRETINTOT1_STR-LINE sy-vline 
WA_PKZVATRETINTOT1_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PKZVATRETINTOT1_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_PKZVATRETINTOT1_STR-CURRENCY sy-vline 
WA_PKZVATRETINTOT1_STR-INVOICENUMBER sy-vline 
WA_PKZVATRETINTOT1_STR-TAXREPORTINGDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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