ABAP Select data from SAP table FIPL_S_OINV_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FIPL_S_OINV_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 FIPL_S_OINV_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 FIPL_S_OINV_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_FIPL_S_OINV_ITEM TYPE STANDARD TABLE OF FIPL_S_OINV_ITEM,
      WA_FIPL_S_OINV_ITEM TYPE FIPL_S_OINV_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: <FIPL_S_OINV_ITEM> TYPE FIPL_S_OINV_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIPL_S_OINV_ITEM
*  INTO TABLE @DATA(IT_FIPL_S_OINV_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_FIPL_S_OINV_ITEM INDEX 1 INTO DATA(WA_FIPL_S_OINV_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIPL_S_OINV_ITEM>-NETDUEARREARSDAYS = 1.
<FIPL_S_OINV_ITEM>-ACCOUNTINGDOCUMENT = 1.
<FIPL_S_OINV_ITEM>-FISCALYEAR = 1.
<FIPL_S_OINV_ITEM>-CUSTOMER = 1.
<FIPL_S_OINV_ITEM>-CUSTOMERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIPL_S_OINV_ITEM-SUPPLIER, sy-vline,
  WA_FIPL_S_OINV_ITEM-SUPPLIERNAME, sy-vline,
  WA_FIPL_S_OINV_ITEM-DOCUMENTREFERENCEID, sy-vline,
  WA_FIPL_S_OINV_ITEM-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_FIPL_S_OINV_ITEM-DOCUMENTDATE, sy-vline,
  WA_FIPL_S_OINV_ITEM-POSTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIPL_S_OINV_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_FIPL_S_OINV_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_FIPL_S_OINV_ITEM INTO WA_FIPL_S_OINV_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.

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

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

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

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

*Conversion exit AU132, internal->external for field AMOUNTINTRANSACTIONCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIPL_S_OINV_ITEM-AMOUNTINTRANSACTIONCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPL_S_OINV_ITEM-AMOUNTINTRANSACTIONCURRENCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field AMOUNTINCOMPANYCODECURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIPL_S_OINV_ITEM-AMOUNTINCOMPANYCODECURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPL_S_OINV_ITEM-AMOUNTINCOMPANYCODECURRENCY.
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_FIPL_S_OINV_ITEM_STR, 
NETDUEARREARSDAYS TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
CUSTOMER TYPE STRING,
CUSTOMERNAME TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
CLEARINGDATE TYPE STRING,
NETDUEDATE TYPE STRING,
NETDUEDAYS TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DEBITCREDITCODE TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIPL_S_OINV_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_FIPL_S_OINV_ITEM_STR-NETDUEARREARSDAYS sy-vline 
WA_FIPL_S_OINV_ITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_FIPL_S_OINV_ITEM_STR-FISCALYEAR sy-vline 
WA_FIPL_S_OINV_ITEM_STR-CUSTOMER sy-vline 
WA_FIPL_S_OINV_ITEM_STR-CUSTOMERNAME sy-vline 
WA_FIPL_S_OINV_ITEM_STR-SUPPLIER sy-vline 
WA_FIPL_S_OINV_ITEM_STR-SUPPLIERNAME sy-vline 
WA_FIPL_S_OINV_ITEM_STR-DOCUMENTREFERENCEID sy-vline 
WA_FIPL_S_OINV_ITEM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-DOCUMENTDATE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-POSTINGDATE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-CLEARINGDATE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-NETDUEDATE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-NETDUEDAYS sy-vline 
WA_FIPL_S_OINV_ITEM_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_FIPL_S_OINV_ITEM_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_FIPL_S_OINV_ITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_FIPL_S_OINV_ITEM_STR-DEBITCREDITCODE sy-vline 
WA_FIPL_S_OINV_ITEM_STR-DOCUMENTITEMTEXT sy-vline 
WA_FIPL_S_OINV_ITEM_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.