ABAP Select data from SAP table ISPURCHASECONTRACTITEM_WD1_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPURCHASECONTRACTITEM_WD1_D 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 ISPURCHASECONTRACTITEM_WD1_D. 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 ISPURCHASECONTRACTITEM_WD1_D 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_ISPURCHASECONTRACTITEM_WD1_D TYPE STANDARD TABLE OF ISPURCHASECONTRACTITEM_WD1_D,
      WA_ISPURCHASECONTRACTITEM_WD1_D TYPE ISPURCHASECONTRACTITEM_WD1_D,
      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: <ISPURCHASECONTRACTITEM_WD1_D> TYPE ISPURCHASECONTRACTITEM_WD1_D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPURCHASECONTRACTITEM_WD1_D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPURCHASECONTRACTITEM_WD1_D
  INTO TABLE IT_ISPURCHASECONTRACTITEM_WD1_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPURCHASECONTRACTITEM_WD1_D
*  INTO TABLE @DATA(IT_ISPURCHASECONTRACTITEM_WD1_D2).
*--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_ISPURCHASECONTRACTITEM_WD1_D INDEX 1 INTO DATA(WA_ISPURCHASECONTRACTITEM_WD1_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPURCHASECONTRACTITEM_WD1_D ASSIGNING <ISPURCHASECONTRACTITEM_WD1_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPURCHASECONTRACTITEM_WD1_D>-ACTIVEPURCHASECONTRACT = 1.
<ISPURCHASECONTRACTITEM_WD1_D>-ACTIVEPURCHASECONTRACTITEM = 1.
<ISPURCHASECONTRACTITEM_WD1_D>-MATERIAL = 1.
<ISPURCHASECONTRACTITEM_WD1_D>-PURCHASECONTRACTITEMTEXT = 1.
<ISPURCHASECONTRACTITEM_WD1_D>-CONTRACTNETPRICEAMOUNT = 1.

ENDLOOP.

LOOP AT IT_ISPURCHASECONTRACTITEM_WD1_D INTO WA_ISPURCHASECONTRACTITEM_WD1_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERPRICEUNIT, sy-vline,
  WA_ISPURCHASECONTRACTITEM_WD1_D-VOLUMEUNIT, sy-vline,
  WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERQUANTITYUNIT, sy-vline,
  WA_ISPURCHASECONTRACTITEM_WD1_D-MATERIALGROUP, sy-vline,
  WA_ISPURCHASECONTRACTITEM_WD1_D-MANUALDELIVERYADDRESSID, sy-vline,
  WA_ISPURCHASECONTRACTITEM_WD1_D-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPURCHASECONTRACTITEM_WD1_D 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_ISPURCHASECONTRACTITEM_WD1_D 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_ISPURCHASECONTRACTITEM_WD1_D INTO WA_ISPURCHASECONTRACTITEM_WD1_D.


*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 ACTIVEPURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-ACTIVEPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-ACTIVEPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERPRICEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERPRICEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERPRICEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLUMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-VOLUMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-VOLUMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-ORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MANUALDELIVERYADDRESSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISPURCHASECONTRACTITEM_WD1_D-MANUALDELIVERYADDRESSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPURCHASECONTRACTITEM_WD1_D-MANUALDELIVERYADDRESSID.
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_ISPURCHASECONTRACTITEM_WD1_D_STR, 
ACTIVEPURCHASECONTRACT TYPE STRING,
ACTIVEPURCHASECONTRACTITEM TYPE STRING,
MATERIAL TYPE STRING,
PURCHASECONTRACTITEMTEXT TYPE STRING,
CONTRACTNETPRICEAMOUNT TYPE STRING,
ORDERPRICEUNIT TYPE STRING,
VOLUMEUNIT TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
MATERIALGROUP TYPE STRING,
MANUALDELIVERYADDRESSID TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
TARGETQUANTITY TYPE STRING,
TARGETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
UNDERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
PRICEISTOBEPRINTED TYPE STRING,
CONFIRMATIONCONTROL TYPE STRING,
OVERDELIVTOLRTDLMTRATIOINPCT TYPE STRING,
UNLIMITEDOVERDELIVERYISALLOWED TYPE STRING,
INVOICEISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
PRICEDATE TYPE STRING,
INFOUPDATE TYPE STRING,
RELEASEORDERQUANTITY TYPE STRING,
FIRSTREMINDER TYPE STRING,
SECONDREMINDER TYPE STRING,
THIRDREMINDER TYPE STRING,
ORDERACKNUMBER TYPE STRING,
REQTRACKINGNUMBER TYPE STRING,
ACKREQUIREMENT TYPE STRING,
ESTIMATEDPRICE TYPE STRING,
STOCKTYPE TYPE STRING,
TAXCODE TYPE STRING,
SHIPPINGINTRUCTIONS TYPE STRING,
ACTIONATREGISTRATION TYPE STRING,
GOODSRECEIPTNONVALUATED TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
HASACTIVEENTITY TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
EVALDRCPTSETTLMTISALLOWED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPURCHASECONTRACTITEM_WD1_D_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_ISPURCHASECONTRACTITEM_WD1_D_STR-ACTIVEPURCHASECONTRACT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ACTIVEPURCHASECONTRACTITEM sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-MATERIAL sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PURCHASECONTRACTITEMTEXT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-CONTRACTNETPRICEAMOUNT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ORDERPRICEUNIT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-VOLUMEUNIT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ORDERQUANTITYUNIT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-MATERIALGROUP sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-MANUALDELIVERYADDRESSID sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PLANT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-STORAGELOCATION sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-NETPRICEQUANTITY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-TARGETQUANTITY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-TARGETAMOUNT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-DOCUMENTCURRENCY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-UNDERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PRICEISTOBEPRINTED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-CONFIRMATIONCONTROL sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-OVERDELIVTOLRTDLMTRATIOINPCT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-UNLIMITEDOVERDELIVERYISALLOWED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-INVOICEISEXPECTED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PRICEDATE sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-INFOUPDATE sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-RELEASEORDERQUANTITY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-FIRSTREMINDER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-SECONDREMINDER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-THIRDREMINDER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ORDERACKNUMBER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-REQTRACKINGNUMBER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ACKREQUIREMENT sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ESTIMATEDPRICE sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-STOCKTYPE sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-TAXCODE sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-SHIPPINGINTRUCTIONS sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-ACTIONATREGISTRATION sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-GOODSRECEIPTNONVALUATED sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PURCHASECONTRACTITEM sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-HASACTIVEENTITY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_ISPURCHASECONTRACTITEM_WD1_D_STR-EVALDRCPTSETTLMTISALLOWED sy-vline      INTO ld_text SEPARATED BY SPACE.

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