ABAP Select data from SAP table IPOACCFINPO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPOACCFINPO
*  INTO TABLE @DATA(IT_IPOACCFINPO2).
*--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_IPOACCFINPO INDEX 1 INTO DATA(WA_IPOACCFINPO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPOACCFINPO>-MANDT = 1.
<IPOACCFINPO>-ACCRUALOBJECTLOGICALSYSTEM = 1.
<IPOACCFINPO>-PURCHASINGDOCUMENT = 1.
<IPOACCFINPO>-COMPANYCODE = 1.
<IPOACCFINPO>-PURCHASINGDOCUMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPOACCFINPO-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_IPOACCFINPO-PURCHASINGDOCUMENTSUBTYPE, sy-vline,
  WA_IPOACCFINPO-PURCHASINGDOCUMENTDELETIONCODE, sy-vline,
  WA_IPOACCFINPO-CREATIONDATE, sy-vline,
  WA_IPOACCFINPO-SUPPLIER, sy-vline,
  WA_IPOACCFINPO-PAYMENTTERMS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPOACCFINPO 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_IPOACCFINPO 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_IPOACCFINPO INTO WA_IPOACCFINPO.


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

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

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

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

*Conversion exit ALPHA, internal->external for field INVOICINGPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPOACCFINPO-INVOICINGPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPOACCFINPO-INVOICINGPARTY.
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_IPOACCFINPO_STR, 
MANDT TYPE STRING,
ACCRUALOBJECTLOGICALSYSTEM TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTSUBTYPE TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
CREATIONDATE TYPE STRING,
SUPPLIER TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
EXCHANGERATEISFIXED TYPE STRING,
PURCHASINGDOCUMENTORDERDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
SUPPLYINGSUPPLIER TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
PRICINGPROCEDURE TYPE STRING,
INVOICINGPARTY TYPE STRING,
RELEASEISNOTCOMPLETED TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
PURCHASINGCOMPLETENESSSTATUS TYPE STRING,
PURCHASINGPROCESSINGSTATUS TYPE STRING,
CREATEDBYUSER TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
PURCHASINGDOCUMENTISAGED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPOACCFINPO_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_IPOACCFINPO_STR-MANDT sy-vline 
WA_IPOACCFINPO_STR-ACCRUALOBJECTLOGICALSYSTEM sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENT sy-vline 
WA_IPOACCFINPO_STR-COMPANYCODE sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTSUBTYPE sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_IPOACCFINPO_STR-CREATIONDATE sy-vline 
WA_IPOACCFINPO_STR-SUPPLIER sy-vline 
WA_IPOACCFINPO_STR-PAYMENTTERMS sy-vline 
WA_IPOACCFINPO_STR-CASHDISCOUNT1DAYS sy-vline 
WA_IPOACCFINPO_STR-CASHDISCOUNT2DAYS sy-vline 
WA_IPOACCFINPO_STR-NETPAYMENTDAYS sy-vline 
WA_IPOACCFINPO_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_IPOACCFINPO_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGORGANIZATION sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGGROUP sy-vline 
WA_IPOACCFINPO_STR-DOCUMENTCURRENCY sy-vline 
WA_IPOACCFINPO_STR-EXCHANGERATE sy-vline 
WA_IPOACCFINPO_STR-EXCHANGERATEISFIXED sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTORDERDATE sy-vline 
WA_IPOACCFINPO_STR-VALIDITYSTARTDATE sy-vline 
WA_IPOACCFINPO_STR-VALIDITYENDDATE sy-vline 
WA_IPOACCFINPO_STR-SUPPLYINGSUPPLIER sy-vline 
WA_IPOACCFINPO_STR-SUPPLYINGPLANT sy-vline 
WA_IPOACCFINPO_STR-PRICINGDOCUMENT sy-vline 
WA_IPOACCFINPO_STR-PRICINGPROCEDURE sy-vline 
WA_IPOACCFINPO_STR-INVOICINGPARTY sy-vline 
WA_IPOACCFINPO_STR-RELEASEISNOTCOMPLETED sy-vline 
WA_IPOACCFINPO_STR-TAXRETURNCOUNTRY sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGCOMPLETENESSSTATUS sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGPROCESSINGSTATUS sy-vline 
WA_IPOACCFINPO_STR-CREATEDBYUSER sy-vline 
WA_IPOACCFINPO_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_IPOACCFINPO_STR-PURCHASINGDOCUMENTISAGED sy-vline      INTO ld_text SEPARATED BY SPACE.

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