ABAP Select data from SAP table IPURCTRACCNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPURCTRACCNT
*  INTO TABLE @DATA(IT_IPURCTRACCNT2).
*--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_IPURCTRACCNT INDEX 1 INTO DATA(WA_IPURCTRACCNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPURCTRACCNT>-MANDT = 1.
<IPURCTRACCNT>-ACCOUNTASSIGNMENT = 1.
<IPURCTRACCNT>-PURCHASECONTRACTITEM = 1.
<IPURCTRACCNT>-PURCHASECONTRACT = 1.
<IPURCTRACCNT>-COSTCENTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPURCTRACCNT-MASTERFIXEDASSET, sy-vline,
  WA_IPURCTRACCNT-PROJECTNETWORK, sy-vline,
  WA_IPURCTRACCNT-QUANTITY, sy-vline,
  WA_IPURCTRACCNT-ORDERQUANTITYUNIT, sy-vline,
  WA_IPURCTRACCNT-MULTIPLEACCTASSGMTDISTRPERCENT, sy-vline,
  WA_IPURCTRACCNT-PURGDOCNETAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPURCTRACCNT 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_IPURCTRACCNT 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_IPURCTRACCNT INTO WA_IPURCTRACCNT.


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

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

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

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

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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_IPURCTRACCNT-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURCTRACCNT-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IPURCTRACCNT-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURCTRACCNT-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field COMMITMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_IPURCTRACCNT-COMMITMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURCTRACCNT-COMMITMENTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field REALESTATEOBJECT
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_IPURCTRACCNT-REALESTATEOBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURCTRACCNT-REALESTATEOBJECT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field EARMARKEDFUNDSDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPURCTRACCNT-EARMARKEDFUNDSDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURCTRACCNT-EARMARKEDFUNDSDOCUMENT.
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_IPURCTRACCNT_STR, 
MANDT TYPE STRING,
ACCOUNTASSIGNMENT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASECONTRACT TYPE STRING,
COSTCENTER TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
PROJECTNETWORK TYPE STRING,
QUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
PURGDOCNETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ISDELETED TYPE STRING,
GLACCOUNT TYPE STRING,
BUSINESSAREA TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
SALESORDERSCHEDULELINE TYPE STRING,
FIXEDASSET TYPE STRING,
ORDERID TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTOBJECT TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
PROFITCENTER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENT TYPE STRING,
WBSDESCRIPTION TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
COMMITMENTITEM TYPE STRING,
COMMITMENTITEMSHORTID TYPE STRING,
FUNDSCENTER TYPE STRING,
FUND TYPE STRING,
FUNCTIONALAREA TYPE STRING,
LASTCHANGEDDATE TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
ISFINALLYINVOICED TYPE STRING,
REALESTATEOBJECT TYPE STRING,
NETWORKACTIVITYINTERNALID TYPE STRING,
PARTNERACCOUNTNUMBER TYPE STRING,
JOINTVENTURERECOVERYCODE TYPE STRING,
SETTLEMENTREFERENCEDATE TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDERINTBILLOFOPERATIONSITEM TYPE STRING,
TAXCODE TYPE STRING,
TAXJURISDICTION TYPE STRING,
NONDEDUCTIBLEINPUTTAXAMOUNT TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
BUSINESSPROCESS TYPE STRING,
GRANTID TYPE STRING,
BUDGETPERIOD TYPE STRING,
EARMARKEDFUNDSDOCUMENT TYPE STRING,
VALIDITYDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPURCTRACCNT_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_IPURCTRACCNT_STR-MANDT sy-vline 
WA_IPURCTRACCNT_STR-ACCOUNTASSIGNMENT sy-vline 
WA_IPURCTRACCNT_STR-PURCHASECONTRACTITEM sy-vline 
WA_IPURCTRACCNT_STR-PURCHASECONTRACT sy-vline 
WA_IPURCTRACCNT_STR-COSTCENTER sy-vline 
WA_IPURCTRACCNT_STR-MASTERFIXEDASSET sy-vline 
WA_IPURCTRACCNT_STR-PROJECTNETWORK sy-vline 
WA_IPURCTRACCNT_STR-QUANTITY sy-vline 
WA_IPURCTRACCNT_STR-ORDERQUANTITYUNIT sy-vline 
WA_IPURCTRACCNT_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_IPURCTRACCNT_STR-PURGDOCNETAMOUNT sy-vline 
WA_IPURCTRACCNT_STR-DOCUMENTCURRENCY sy-vline 
WA_IPURCTRACCNT_STR-ISDELETED sy-vline 
WA_IPURCTRACCNT_STR-GLACCOUNT sy-vline 
WA_IPURCTRACCNT_STR-BUSINESSAREA sy-vline 
WA_IPURCTRACCNT_STR-SALESORDER sy-vline 
WA_IPURCTRACCNT_STR-SALESORDERITEM sy-vline 
WA_IPURCTRACCNT_STR-SALESORDERSCHEDULELINE sy-vline 
WA_IPURCTRACCNT_STR-FIXEDASSET sy-vline 
WA_IPURCTRACCNT_STR-ORDERID sy-vline 
WA_IPURCTRACCNT_STR-UNLOADINGPOINTNAME sy-vline 
WA_IPURCTRACCNT_STR-CONTROLLINGAREA sy-vline 
WA_IPURCTRACCNT_STR-COSTOBJECT sy-vline 
WA_IPURCTRACCNT_STR-PROFITABILITYSEGMENT sy-vline 
WA_IPURCTRACCNT_STR-PROFITCENTER sy-vline 
WA_IPURCTRACCNT_STR-WBSELEMENTINTERNALID sy-vline 
WA_IPURCTRACCNT_STR-WBSELEMENT sy-vline 
WA_IPURCTRACCNT_STR-WBSDESCRIPTION sy-vline 
WA_IPURCTRACCNT_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_IPURCTRACCNT_STR-COMMITMENTITEM sy-vline 
WA_IPURCTRACCNT_STR-COMMITMENTITEMSHORTID sy-vline 
WA_IPURCTRACCNT_STR-FUNDSCENTER sy-vline 
WA_IPURCTRACCNT_STR-FUND sy-vline 
WA_IPURCTRACCNT_STR-FUNCTIONALAREA sy-vline 
WA_IPURCTRACCNT_STR-LASTCHANGEDDATE sy-vline 
WA_IPURCTRACCNT_STR-GOODSRECIPIENTNAME sy-vline 
WA_IPURCTRACCNT_STR-ISFINALLYINVOICED sy-vline 
WA_IPURCTRACCNT_STR-REALESTATEOBJECT sy-vline 
WA_IPURCTRACCNT_STR-NETWORKACTIVITYINTERNALID sy-vline 
WA_IPURCTRACCNT_STR-PARTNERACCOUNTNUMBER sy-vline 
WA_IPURCTRACCNT_STR-JOINTVENTURERECOVERYCODE sy-vline 
WA_IPURCTRACCNT_STR-SETTLEMENTREFERENCEDATE sy-vline 
WA_IPURCTRACCNT_STR-ORDERINTERNALID sy-vline 
WA_IPURCTRACCNT_STR-ORDERINTBILLOFOPERATIONSITEM sy-vline 
WA_IPURCTRACCNT_STR-TAXCODE sy-vline 
WA_IPURCTRACCNT_STR-TAXJURISDICTION sy-vline 
WA_IPURCTRACCNT_STR-NONDEDUCTIBLEINPUTTAXAMOUNT sy-vline 
WA_IPURCTRACCNT_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_IPURCTRACCNT_STR-BUSINESSPROCESS sy-vline 
WA_IPURCTRACCNT_STR-GRANTID sy-vline 
WA_IPURCTRACCNT_STR-BUDGETPERIOD sy-vline 
WA_IPURCTRACCNT_STR-EARMARKEDFUNDSDOCUMENT sy-vline 
WA_IPURCTRACCNT_STR-VALIDITYDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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