ABAP Select data from SAP table ACRS_PH_VAT_PSL_CSV_DETAILITEM 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_CSV_DETAILITEM 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_CSV_DETAILITEM. 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_CSV_DETAILITEM 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_CSV_DETAILITEM TYPE STANDARD TABLE OF ACRS_PH_VAT_PSL_CSV_DETAILITEM,
      WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM TYPE ACRS_PH_VAT_PSL_CSV_DETAILITEM,
      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_CSV_DETAILITEM> TYPE ACRS_PH_VAT_PSL_CSV_DETAILITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACRS_PH_VAT_PSL_CSV_DETAILITEM
*  INTO TABLE @DATA(IT_ACRS_PH_VAT_PSL_CSV_DETAILITEM2).
*--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_CSV_DETAILITEM INDEX 1 INTO DATA(WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACRS_PH_VAT_PSL_CSV_DETAILITEM>-PERIOD = 1.
<ACRS_PH_VAT_PSL_CSV_DETAILITEM>-FISCALYEAR = 1.
<ACRS_PH_VAT_PSL_CSV_DETAILITEM>-RDO = 1.
<ACRS_PH_VAT_PSL_CSV_DETAILITEM>-SUPPLIERTIN = 1.
<ACRS_PH_VAT_PSL_CSV_DETAILITEM>-SUPPLIERNAME = 1.

ENDLOOP.

LOOP AT IT_ACRS_PH_VAT_PSL_CSV_DETAILITEM INTO WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM.
*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_CSV_DETAILITEM-LASTNAME, sy-vline,
  WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-FIRSTNAME, sy-vline,
  WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-MIDDLENAME, sy-vline,
  WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-ADDRESS1, sy-vline,
  WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-ADDRESS2, sy-vline,
  WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-CITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM 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_CSV_DETAILITEM 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_CSV_DETAILITEM INTO WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM.


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

*Conversion exit AC112, internal->external for field VATRATE
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-VATRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM-VATRATE.
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_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR, 
PERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
RDO TYPE STRING,
SUPPLIERTIN TYPE STRING,
SUPPLIERNAME TYPE STRING,
LASTNAME TYPE STRING,
FIRSTNAME TYPE STRING,
MIDDLENAME TYPE STRING,
ADDRESS1 TYPE STRING,
ADDRESS2 TYPE STRING,
CITY TYPE STRING,
EXEMPTPURCHASESAMOUNT TYPE STRING,
ZERORATEDPURCHSESAMOUNT TYPE STRING,
PURCHASESONSERVICE TYPE STRING,
PURCHASEONCAPITALGOODS TYPE STRING,
PURCHASEONNONCAPITALGOODS TYPE STRING,
VATBASEAMOUNT TYPE STRING,
VATRATE TYPE STRING,
INPUTVATAMOUNT TYPE STRING,
TOTALPURCHASESAMOUNT TYPE STRING,
GROSSTOTALSALES TYPE STRING,
TAXABLEMOUNTH TYPE STRING,
FISCALYEARENDING TYPE STRING,
TINOFOWNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_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_CSV_DETAILITEM_STR-PERIOD sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-FISCALYEAR sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-RDO sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-SUPPLIERTIN sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-SUPPLIERNAME sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-LASTNAME sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-FIRSTNAME sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-MIDDLENAME sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-ADDRESS1 sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-ADDRESS2 sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-CITY sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-EXEMPTPURCHASESAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-ZERORATEDPURCHSESAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-PURCHASESONSERVICE sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-PURCHASEONCAPITALGOODS sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-PURCHASEONNONCAPITALGOODS sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-VATBASEAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-VATRATE sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-INPUTVATAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-TOTALPURCHASESAMOUNT sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-GROSSTOTALSALES sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-TAXABLEMOUNTH sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-FISCALYEARENDING sy-vline 
WA_ACRS_PH_VAT_PSL_CSV_DETAILITEM_STR-TINOFOWNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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