ABAP Select data from SAP table IPURREQNACCT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPURREQNACCT
*  INTO TABLE @DATA(IT_IPURREQNACCT2).
*--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_IPURREQNACCT INDEX 1 INTO DATA(WA_IPURREQNACCT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPURREQNACCT>-MANDT = 1.
<IPURREQNACCT>-PURCHASEREQUISITION = 1.
<IPURREQNACCT>-PURCHASEREQUISITIONITEM = 1.
<IPURREQNACCT>-PURREQNACCTASSGMTNMBR = 1.
<IPURREQNACCT>-COSTCENTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPURREQNACCT-MASTERFIXEDASSET, sy-vline,
  WA_IPURREQNACCT-PROJECTNETWORK, sy-vline,
  WA_IPURREQNACCT-QUANTITY, sy-vline,
  WA_IPURREQNACCT-BASEUNIT, sy-vline,
  WA_IPURREQNACCT-MULTIPLEACCTASSGMTDISTRPERCENT, sy-vline,
  WA_IPURREQNACCT-PURREQNNETAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPURREQNACCT 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_IPURREQNACCT 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_IPURREQNACCT INTO WA_IPURREQNACCT.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field GRANTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPURREQNACCT-GRANTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPURREQNACCT-GRANTID.
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_IPURREQNACCT_STR, 
MANDT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURREQNACCTASSGMTNMBR TYPE STRING,
COSTCENTER TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
PROJECTNETWORK TYPE STRING,
QUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
PURREQNNETAMOUNT TYPE STRING,
PURREQNITEMCURRENCY TYPE STRING,
ISDELETED TYPE STRING,
COSTELEMENT TYPE STRING,
GLACCOUNT TYPE STRING,
BUSINESSAREA TYPE STRING,
SDDOCUMENT TYPE STRING,
SALESORDER TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
SALESORDERITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
SALESORDERSCHEDULELINE TYPE STRING,
FIXEDASSET TYPE STRING,
PROCESSORDER 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,
PROJECTNETWORKINTERNALID TYPE STRING,
COMMITMENTITEM TYPE STRING,
FUNDSCENTER TYPE STRING,
FUND TYPE STRING,
FUNCTIONALAREA TYPE STRING,
CREATIONDATE TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
REALESTATEOBJECT TYPE STRING,
NETWORKACTIVITYINTERNALID TYPE STRING,
PARTNERACCOUNTNUMBER TYPE STRING,
JOINTVENTURERECOVERYCODE TYPE STRING,
SETTLEMENTREFERENCEDATE TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDERINTBILLOFOPERATIONSITEM TYPE STRING,
EARMARKEDFUNDSDOCUMENT TYPE STRING,
EARMARKEDFUNDSDOCUMENTITEM TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
BUSINESSPROCESS TYPE STRING,
GRANTID TYPE STRING,
VALIDITYDATE TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
BUDGETPERIOD TYPE STRING,
FUNDEDPROGRAM TYPE STRING,
COMPANYCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPURREQNACCT_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_IPURREQNACCT_STR-MANDT sy-vline 
WA_IPURREQNACCT_STR-PURCHASEREQUISITION sy-vline 
WA_IPURREQNACCT_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_IPURREQNACCT_STR-PURREQNACCTASSGMTNMBR sy-vline 
WA_IPURREQNACCT_STR-COSTCENTER sy-vline 
WA_IPURREQNACCT_STR-MASTERFIXEDASSET sy-vline 
WA_IPURREQNACCT_STR-PROJECTNETWORK sy-vline 
WA_IPURREQNACCT_STR-QUANTITY sy-vline 
WA_IPURREQNACCT_STR-BASEUNIT sy-vline 
WA_IPURREQNACCT_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_IPURREQNACCT_STR-PURREQNNETAMOUNT sy-vline 
WA_IPURREQNACCT_STR-PURREQNITEMCURRENCY sy-vline 
WA_IPURREQNACCT_STR-ISDELETED sy-vline 
WA_IPURREQNACCT_STR-COSTELEMENT sy-vline 
WA_IPURREQNACCT_STR-GLACCOUNT sy-vline 
WA_IPURREQNACCT_STR-BUSINESSAREA sy-vline 
WA_IPURREQNACCT_STR-SDDOCUMENT sy-vline 
WA_IPURREQNACCT_STR-SALESORDER sy-vline 
WA_IPURREQNACCT_STR-SALESDOCUMENTITEM sy-vline 
WA_IPURREQNACCT_STR-SALESORDERITEM sy-vline 
WA_IPURREQNACCT_STR-SCHEDULELINE sy-vline 
WA_IPURREQNACCT_STR-SALESORDERSCHEDULELINE sy-vline 
WA_IPURREQNACCT_STR-FIXEDASSET sy-vline 
WA_IPURREQNACCT_STR-PROCESSORDER sy-vline 
WA_IPURREQNACCT_STR-ORDERID sy-vline 
WA_IPURREQNACCT_STR-UNLOADINGPOINTNAME sy-vline 
WA_IPURREQNACCT_STR-CONTROLLINGAREA sy-vline 
WA_IPURREQNACCT_STR-COSTOBJECT sy-vline 
WA_IPURREQNACCT_STR-PROFITABILITYSEGMENT sy-vline 
WA_IPURREQNACCT_STR-PROFITCENTER sy-vline 
WA_IPURREQNACCT_STR-WBSELEMENTINTERNALID sy-vline 
WA_IPURREQNACCT_STR-WBSELEMENT sy-vline 
WA_IPURREQNACCT_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_IPURREQNACCT_STR-COMMITMENTITEM sy-vline 
WA_IPURREQNACCT_STR-FUNDSCENTER sy-vline 
WA_IPURREQNACCT_STR-FUND sy-vline 
WA_IPURREQNACCT_STR-FUNCTIONALAREA sy-vline 
WA_IPURREQNACCT_STR-CREATIONDATE sy-vline 
WA_IPURREQNACCT_STR-GOODSRECIPIENTNAME sy-vline 
WA_IPURREQNACCT_STR-REALESTATEOBJECT sy-vline 
WA_IPURREQNACCT_STR-NETWORKACTIVITYINTERNALID sy-vline 
WA_IPURREQNACCT_STR-PARTNERACCOUNTNUMBER sy-vline 
WA_IPURREQNACCT_STR-JOINTVENTURERECOVERYCODE sy-vline 
WA_IPURREQNACCT_STR-SETTLEMENTREFERENCEDATE sy-vline 
WA_IPURREQNACCT_STR-ORDERINTERNALID sy-vline 
WA_IPURREQNACCT_STR-ORDERINTBILLOFOPERATIONSITEM sy-vline 
WA_IPURREQNACCT_STR-EARMARKEDFUNDSDOCUMENT sy-vline 
WA_IPURREQNACCT_STR-EARMARKEDFUNDSDOCUMENTITEM sy-vline 
WA_IPURREQNACCT_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_IPURREQNACCT_STR-BUSINESSPROCESS sy-vline 
WA_IPURREQNACCT_STR-GRANTID sy-vline 
WA_IPURREQNACCT_STR-VALIDITYDATE sy-vline 
WA_IPURREQNACCT_STR-CHARTOFACCOUNTS sy-vline 
WA_IPURREQNACCT_STR-BUDGETPERIOD sy-vline 
WA_IPURREQNACCT_STR-FUNDEDPROGRAM sy-vline 
WA_IPURREQNACCT_STR-COMPANYCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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