ABAP Select data from SAP table PFIAPVNDROPITM0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFIAPVNDROPITM0 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 PFIAPVNDROPITM0. 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 PFIAPVNDROPITM0 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_PFIAPVNDROPITM0 TYPE STANDARD TABLE OF PFIAPVNDROPITM0,
      WA_PFIAPVNDROPITM0 TYPE PFIAPVNDROPITM0,
      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: <PFIAPVNDROPITM0> TYPE PFIAPVNDROPITM0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFIAPVNDROPITM0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFIAPVNDROPITM0
  INTO TABLE IT_PFIAPVNDROPITM0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFIAPVNDROPITM0
*  INTO TABLE @DATA(IT_PFIAPVNDROPITM02).
*--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_PFIAPVNDROPITM0 INDEX 1 INTO DATA(WA_PFIAPVNDROPITM02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFIAPVNDROPITM0 ASSIGNING <PFIAPVNDROPITM0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFIAPVNDROPITM0>-MANDT = 1.
<PFIAPVNDROPITM0>-COMPANYCODE = 1.
<PFIAPVNDROPITM0>-ACCOUNTINGDOCUMENT = 1.
<PFIAPVNDROPITM0>-FISCALYEAR = 1.
<PFIAPVNDROPITM0>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

LOOP AT IT_PFIAPVNDROPITM0 INTO WA_PFIAPVNDROPITM0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFIAPVNDROPITM0-AMOUNTINCOMPANYCODECURRENCY, sy-vline,
  WA_PFIAPVNDROPITM0-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_PFIAPVNDROPITM0-DOCUMENTCURRENCY, sy-vline,
  WA_PFIAPVNDROPITM0-INVOICEREFERENCE, sy-vline,
  WA_PFIAPVNDROPITM0-INVOICEREFERENCEFISCALYEAR, sy-vline,
  WA_PFIAPVNDROPITM0-INVOICEITEMREFERENCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFIAPVNDROPITM0 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_PFIAPVNDROPITM0 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_PFIAPVNDROPITM0 INTO WA_PFIAPVNDROPITM0.


*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 ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICEREFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-INVOICEREFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-INVOICEREFERENCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INVOICEREFERENCEFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-INVOICEREFERENCEFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-INVOICEREFERENCEFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CLEARINGACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPVNDROPITM0-CLEARINGACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPVNDROPITM0-CLEARINGACCOUNTINGDOCUMENT.
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_PFIAPVNDROPITM0_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
INVOICEREFERENCE TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
INVOICEITEMREFERENCE TYPE STRING,
FOLLOWONDOCUMENTTYPE TYPE STRING,
SUPPLIER TYPE STRING,
SPECIALGLTRANSACTIONTYPE TYPE STRING,
CLEARINGACCOUNTINGDOCUMENT TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
ISUSEDINPAYMENTTRANSACTION TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFIAPVNDROPITM0_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_PFIAPVNDROPITM0_STR-MANDT sy-vline 
WA_PFIAPVNDROPITM0_STR-COMPANYCODE sy-vline 
WA_PFIAPVNDROPITM0_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PFIAPVNDROPITM0_STR-FISCALYEAR sy-vline 
WA_PFIAPVNDROPITM0_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_PFIAPVNDROPITM0_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PFIAPVNDROPITM0_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PFIAPVNDROPITM0_STR-DOCUMENTCURRENCY sy-vline 
WA_PFIAPVNDROPITM0_STR-INVOICEREFERENCE sy-vline 
WA_PFIAPVNDROPITM0_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_PFIAPVNDROPITM0_STR-INVOICEITEMREFERENCE sy-vline 
WA_PFIAPVNDROPITM0_STR-FOLLOWONDOCUMENTTYPE sy-vline 
WA_PFIAPVNDROPITM0_STR-SUPPLIER sy-vline 
WA_PFIAPVNDROPITM0_STR-SPECIALGLTRANSACTIONTYPE sy-vline 
WA_PFIAPVNDROPITM0_STR-CLEARINGACCOUNTINGDOCUMENT sy-vline 
WA_PFIAPVNDROPITM0_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_PFIAPVNDROPITM0_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PFIAPVNDROPITM0_STR-ISUSEDINPAYMENTTRANSACTION sy-vline 
WA_PFIAPVNDROPITM0_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PFIAPVNDROPITM0_STR-COMPANYCODECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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