ABAP Select data from SAP table PPOITEM1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPOITEM1 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 PPOITEM1. 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 PPOITEM1 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_PPOITEM1 TYPE STANDARD TABLE OF PPOITEM1,
      WA_PPOITEM1 TYPE PPOITEM1,
      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: <PPOITEM1> TYPE PPOITEM1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PPOITEM1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PPOITEM1
  INTO TABLE IT_PPOITEM1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOITEM1
*  INTO TABLE @DATA(IT_PPOITEM12).
*--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_PPOITEM1 INDEX 1 INTO DATA(WA_PPOITEM12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PPOITEM1 ASSIGNING <PPOITEM1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOITEM1>-MANDT = 1.
<PPOITEM1>-PURCHASEORDER = 1.
<PPOITEM1>-PURCHASEORDERITEM = 1.
<PPOITEM1>-PURCHASEORDERITEMKEY = 1.
<PPOITEM1>-PURCHASEORDERKEY = 1.

ENDLOOP.

LOOP AT IT_PPOITEM1 INTO WA_PPOITEM1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOITEM1-SUPPLIER, sy-vline,
  WA_PPOITEM1-PURCHASEORDERCATEGORY, sy-vline,
  WA_PPOITEM1-DOCUMENTCURRENCY, sy-vline,
  WA_PPOITEM1-PURCHASINGDOCUMENTDELETIONCODE, sy-vline,
  WA_PPOITEM1-MATERIALGROUP, sy-vline,
  WA_PPOITEM1-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOITEM1 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_PPOITEM1 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_PPOITEM1 INTO WA_PPOITEM1.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MANUFACTURERMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-MANUFACTURERMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-MANUFACTURERMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MANUALDELIVERYADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-MANUALDELIVERYADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-MANUALDELIVERYADDRESSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCEDELIVERYADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-REFERENCEDELIVERYADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-REFERENCEDELIVERYADDRESSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PURCHASEORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEREQUISITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PURCHASEREQUISITION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICEPERFORMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-SERVICEPERFORMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-SERVICEPERFORMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PROFITCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-ORDERPRICEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ITEMVOLUMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-ITEMVOLUMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-ITEMVOLUMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ITEMWEIGHTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-ITEMWEIGHTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-ITEMWEIGHTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field INTERNATIONALARTICLENUMBER
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-INTERNATIONALARTICLENUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-INTERNATIONALARTICLENUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGINFORECORD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-PURCHASINGINFORECORD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-PURCHASINGINFORECORD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EARMARKEDFUNDS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPOITEM1-EARMARKEDFUNDS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOITEM1-EARMARKEDFUNDS.
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_PPOITEM1_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
PURCHASEORDERITEMKEY TYPE STRING,
PURCHASEORDERKEY TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASEORDERCATEGORY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIAL TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
PURCHASEORDERITEMTEXT TYPE STRING,
PRODUCTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
REFERENCEDELIVERYADDRESSID TYPE STRING,
CUSTOMER TYPE STRING,
STORAGELOCATION TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
ORDERITEMQTYTOBASEQTYNMRTR TYPE STRING,
ORDERITEMQTYTOBASEQTYDNMNTR TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
EVALDRCPTSETTLMTISALLOWED TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
REQUISITIONERNAME TYPE STRING,
SERVICEPERFORMER TYPE STRING,
SERVICEPACKAGE TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
PROFITCENTER TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
ITEMVOLUMEUNIT TYPE STRING,
ITEMWEIGHTUNIT TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
PARTIALINVOICEDISTRIBUTION TYPE STRING,
PRICINGDATECONTROL TYPE STRING,
ISSTATISTICALITEM TYPE STRING,
ISRETURNSITEM TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
INTERNATIONALARTICLENUMBER TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
PRICEISTOBEPRINTED TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
NETAMOUNT TYPE STRING,
EFFECTIVEAMOUNT TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
ITEMVOLUME TYPE STRING,
ITEMNETWEIGHT TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
GOODSRECEIPTISNONVALUATED TYPE STRING,
TAXCODE TYPE STRING,
VALUATIONTYPE TYPE STRING,
EARMARKEDFUNDS TYPE STRING,
EARMARKEDFUNDSITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOITEM1_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_PPOITEM1_STR-MANDT sy-vline 
WA_PPOITEM1_STR-PURCHASEORDER sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERITEM sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERITEMKEY sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERKEY sy-vline 
WA_PPOITEM1_STR-SUPPLIER sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERCATEGORY sy-vline 
WA_PPOITEM1_STR-DOCUMENTCURRENCY sy-vline 
WA_PPOITEM1_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_PPOITEM1_STR-MATERIALGROUP sy-vline 
WA_PPOITEM1_STR-MATERIAL sy-vline 
WA_PPOITEM1_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_PPOITEM1_STR-MANUFACTURERPARTNMBR sy-vline 
WA_PPOITEM1_STR-MANUFACTURERMATERIAL sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERITEMTEXT sy-vline 
WA_PPOITEM1_STR-PRODUCTTYPE sy-vline 
WA_PPOITEM1_STR-COMPANYCODE sy-vline 
WA_PPOITEM1_STR-PLANT sy-vline 
WA_PPOITEM1_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_PPOITEM1_STR-REFERENCEDELIVERYADDRESSID sy-vline 
WA_PPOITEM1_STR-CUSTOMER sy-vline 
WA_PPOITEM1_STR-STORAGELOCATION sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PPOITEM1_STR-ORDERITEMQTYTOBASEQTYNMRTR sy-vline 
WA_PPOITEM1_STR-ORDERITEMQTYTOBASEQTYDNMNTR sy-vline 
WA_PPOITEM1_STR-NETPRICEQUANTITY sy-vline 
WA_PPOITEM1_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_PPOITEM1_STR-ISFINALLYINVOICED sy-vline 
WA_PPOITEM1_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_PPOITEM1_STR-INVOICEISEXPECTED sy-vline 
WA_PPOITEM1_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_PPOITEM1_STR-PURCHASECONTRACTITEM sy-vline 
WA_PPOITEM1_STR-PURCHASECONTRACT sy-vline 
WA_PPOITEM1_STR-PURCHASEREQUISITION sy-vline 
WA_PPOITEM1_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_PPOITEM1_STR-EVALDRCPTSETTLMTISALLOWED sy-vline 
WA_PPOITEM1_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_PPOITEM1_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_PPOITEM1_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_PPOITEM1_STR-REQUISITIONERNAME sy-vline 
WA_PPOITEM1_STR-SERVICEPERFORMER sy-vline 
WA_PPOITEM1_STR-SERVICEPACKAGE sy-vline 
WA_PPOITEM1_STR-BASEUNIT sy-vline 
WA_PPOITEM1_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_PPOITEM1_STR-PROFITCENTER sy-vline 
WA_PPOITEM1_STR-ORDERPRICEUNIT sy-vline 
WA_PPOITEM1_STR-ITEMVOLUMEUNIT sy-vline 
WA_PPOITEM1_STR-ITEMWEIGHTUNIT sy-vline 
WA_PPOITEM1_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_PPOITEM1_STR-PARTIALINVOICEDISTRIBUTION sy-vline 
WA_PPOITEM1_STR-PRICINGDATECONTROL sy-vline 
WA_PPOITEM1_STR-ISSTATISTICALITEM sy-vline 
WA_PPOITEM1_STR-ISRETURNSITEM sy-vline 
WA_PPOITEM1_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_PPOITEM1_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_PPOITEM1_STR-INCOTERMSLOCATION1 sy-vline 
WA_PPOITEM1_STR-INCOTERMSLOCATION2 sy-vline 
WA_PPOITEM1_STR-INTERNATIONALARTICLENUMBER sy-vline 
WA_PPOITEM1_STR-CONFIRMATIONCONTROL sy-vline 
WA_PPOITEM1_STR-PRICEISTOBEPRINTED sy-vline 
WA_PPOITEM1_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PPOITEM1_STR-PURCHASINGINFORECORD sy-vline 
WA_PPOITEM1_STR-NETAMOUNT sy-vline 
WA_PPOITEM1_STR-EFFECTIVEAMOUNT sy-vline 
WA_PPOITEM1_STR-ORDERQUANTITY sy-vline 
WA_PPOITEM1_STR-NETPRICEAMOUNT sy-vline 
WA_PPOITEM1_STR-ITEMVOLUME sy-vline 
WA_PPOITEM1_STR-ITEMNETWEIGHT sy-vline 
WA_PPOITEM1_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_PPOITEM1_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_PPOITEM1_STR-GOODSRECEIPTISNONVALUATED sy-vline 
WA_PPOITEM1_STR-TAXCODE sy-vline 
WA_PPOITEM1_STR-VALUATIONTYPE sy-vline 
WA_PPOITEM1_STR-EARMARKEDFUNDS sy-vline 
WA_PPOITEM1_STR-EARMARKEDFUNDSITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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