ABAP Select data from SAP table ACRS_PH_VAT_PSL_DAT_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACRS_PH_VAT_PSL_DAT_ITEM
*  INTO TABLE @DATA(IT_ACRS_PH_VAT_PSL_DAT_ITEM2).
*--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_ACRS_PH_VAT_PSL_DAT_ITEM INDEX 1 INTO DATA(WA_ACRS_PH_VAT_PSL_DAT_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACRS_PH_VAT_PSL_DAT_ITEM>-PH_INDICATOR = 1.
<ACRS_PH_VAT_PSL_DAT_ITEM>-TIN = 1.
<ACRS_PH_VAT_PSL_DAT_ITEM>-REGISTEREDNAME = 1.
<ACRS_PH_VAT_PSL_DAT_ITEM>-LASTNAME = 1.
<ACRS_PH_VAT_PSL_DAT_ITEM>-FIRSTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACRS_PH_VAT_PSL_DAT_ITEM-MIDDLENAME, sy-vline,
  WA_ACRS_PH_VAT_PSL_DAT_ITEM-SUPPLIERADDRESS1, sy-vline,
  WA_ACRS_PH_VAT_PSL_DAT_ITEM-SUPPLIERADDRESS2, sy-vline,
  WA_ACRS_PH_VAT_PSL_DAT_ITEM-EXEMPTPURCHASESAMOUNT, sy-vline,
  WA_ACRS_PH_VAT_PSL_DAT_ITEM-ZERORATEDAMOUNTPURCHASE, sy-vline,
  WA_ACRS_PH_VAT_PSL_DAT_ITEM-TAXABLEPURCHASESERVICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACRS_PH_VAT_PSL_DAT_ITEM 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_ACRS_PH_VAT_PSL_DAT_ITEM 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_ACRS_PH_VAT_PSL_DAT_ITEM INTO WA_ACRS_PH_VAT_PSL_DAT_ITEM.


*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_ACRS_PH_VAT_PSL_DAT_ITEM_STR, 
PH_INDICATOR TYPE STRING,
TIN TYPE STRING,
REGISTEREDNAME TYPE STRING,
LASTNAME TYPE STRING,
FIRSTNAME TYPE STRING,
MIDDLENAME TYPE STRING,
SUPPLIERADDRESS1 TYPE STRING,
SUPPLIERADDRESS2 TYPE STRING,
EXEMPTPURCHASESAMOUNT TYPE STRING,
ZERORATEDAMOUNTPURCHASE TYPE STRING,
TAXABLEPURCHASESERVICE TYPE STRING,
PURCHASEONCAPITALGOODS TYPE STRING,
PURCHASEONNONCAPITALGOODS TYPE STRING,
INPUTTAX TYPE STRING,
TINOFOWNER TYPE STRING,
TAXABLEMONTH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACRS_PH_VAT_PSL_DAT_ITEM_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_ACRS_PH_VAT_PSL_DAT_ITEM_STR-PH_INDICATOR sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-TIN sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-REGISTEREDNAME sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-LASTNAME sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-FIRSTNAME sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-MIDDLENAME sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-SUPPLIERADDRESS1 sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-SUPPLIERADDRESS2 sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-EXEMPTPURCHASESAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-ZERORATEDAMOUNTPURCHASE sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-TAXABLEPURCHASESERVICE sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-PURCHASEONCAPITALGOODS sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-PURCHASEONNONCAPITALGOODS sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-INPUTTAX sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-TINOFOWNER sy-vline 
WA_ACRS_PH_VAT_PSL_DAT_ITEM_STR-TAXABLEMONTH sy-vline      INTO ld_text SEPARATED BY SPACE.

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