ABAP Select data from SAP table CRECRRGINVCITEMR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRECRRGINVCITEMR
*  INTO TABLE @DATA(IT_CRECRRGINVCITEMR2).
*--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_CRECRRGINVCITEMR INDEX 1 INTO DATA(WA_CRECRRGINVCITEMR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRECRRGINVCITEMR>-MANDT = 1.
<CRECRRGINVCITEMR>-RECRRGSUPLRINVCTMPLITEMUUID = 1.
<CRECRRGINVCITEMR>-RECRRGSUPLRINVCTMPLUUID = 1.
<CRECRRGINVCITEMR>-RECRRGSUPLRINVOICETEMPLATEITEM = 1.
<CRECRRGINVCITEMR>-GLACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRECRRGINVCITEMR-TRANSACTIONCURRENCY, sy-vline,
  WA_CRECRRGINVCITEMR-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_CRECRRGINVCITEMR-DEBITCREDITCODE, sy-vline,
  WA_CRECRRGINVCITEMR-ISNEGATIVEPOSTING, sy-vline,
  WA_CRECRRGINVCITEMR-COMPANYCODE, sy-vline,
  WA_CRECRRGINVCITEMR-COMPANYCODECOUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRECRRGINVCITEMR 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_CRECRRGINVCITEMR 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_CRECRRGINVCITEMR INTO WA_CRECRRGINVCITEMR.


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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field NETWORKACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CRECRRGINVCITEMR-NETWORKACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRECRRGINVCITEMR-NETWORKACTIVITY.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field JOINTVENTURECOSTRECOVERYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRECRRGINVCITEMR-JOINTVENTURECOSTRECOVERYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRECRRGINVCITEMR-JOINTVENTURECOSTRECOVERYCODE.
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_CRECRRGINVCITEMR_STR, 
MANDT TYPE STRING,
RECRRGSUPLRINVCTMPLITEMUUID TYPE STRING,
RECRRGSUPLRINVCTMPLUUID TYPE STRING,
RECRRGSUPLRINVOICETEMPLATEITEM TYPE STRING,
GLACCOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
DEBITCREDITCODE TYPE STRING,
ISNEGATIVEPOSTING TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
SETTLMTCOCODETAXCOUNTRY TYPE STRING,
NUMBEROFPOSTEDINVOICES TYPE STRING,
TAXCODE TYPE STRING,
TAXCOUNTRY TYPE STRING,
TAXJURISDICTION TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
COSTCENTER TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
INTERNALORDER TYPE STRING,
SETTLEMENTREFERENCEDATE TYPE STRING,
FUNDSCENTER TYPE STRING,
PROFITCENTER TYPE STRING,
FUND TYPE STRING,
BUSINESSAREA TYPE STRING,
PARTNERBUSINESSAREA TYPE STRING,
COSTOBJECT TYPE STRING,
PROJECTNETWORK TYPE STRING,
NETWORKACTIVITY TYPE STRING,
WBSELEMENT TYPE STRING,
RECEIVERACTIVITYTYPE TYPE STRING,
REALESTATEOBJECT TYPE STRING,
PERSONNELNUMBER TYPE STRING,
BUSINESSPROCESS TYPE STRING,
ASSETGRANT TYPE STRING,
COMMITMENTITEM TYPE STRING,
FUNCTIONALAREA TYPE STRING,
QUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
ASSIGNMENTREFERENCE TYPE STRING,
ISNOTCASHDISCOUNTLIABLE TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
PLANT TYPE STRING,
BUDGETPERIOD TYPE STRING,
CONTROLLINGAREA TYPE STRING,
JOINTVENTURECOSTRECOVERYCODE TYPE STRING,
WORKITEM TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRECRRGINVCITEMR_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_CRECRRGINVCITEMR_STR-MANDT sy-vline 
WA_CRECRRGINVCITEMR_STR-RECRRGSUPLRINVCTMPLITEMUUID sy-vline 
WA_CRECRRGINVCITEMR_STR-RECRRGSUPLRINVCTMPLUUID sy-vline 
WA_CRECRRGINVCITEMR_STR-RECRRGSUPLRINVOICETEMPLATEITEM sy-vline 
WA_CRECRRGINVCITEMR_STR-GLACCOUNT sy-vline 
WA_CRECRRGINVCITEMR_STR-TRANSACTIONCURRENCY sy-vline 
WA_CRECRRGINVCITEMR_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CRECRRGINVCITEMR_STR-DEBITCREDITCODE sy-vline 
WA_CRECRRGINVCITEMR_STR-ISNEGATIVEPOSTING sy-vline 
WA_CRECRRGINVCITEMR_STR-COMPANYCODE sy-vline 
WA_CRECRRGINVCITEMR_STR-COMPANYCODECOUNTRY sy-vline 
WA_CRECRRGINVCITEMR_STR-SETTLMTCOCODETAXCOUNTRY sy-vline 
WA_CRECRRGINVCITEMR_STR-NUMBEROFPOSTEDINVOICES sy-vline 
WA_CRECRRGINVCITEMR_STR-TAXCODE sy-vline 
WA_CRECRRGINVCITEMR_STR-TAXCOUNTRY sy-vline 
WA_CRECRRGINVCITEMR_STR-TAXJURISDICTION sy-vline 
WA_CRECRRGINVCITEMR_STR-DOCUMENTITEMTEXT sy-vline 
WA_CRECRRGINVCITEMR_STR-COSTCENTER sy-vline 
WA_CRECRRGINVCITEMR_STR-SALESORDER sy-vline 
WA_CRECRRGINVCITEMR_STR-SALESORDERITEM sy-vline 
WA_CRECRRGINVCITEMR_STR-INTERNALORDER sy-vline 
WA_CRECRRGINVCITEMR_STR-SETTLEMENTREFERENCEDATE sy-vline 
WA_CRECRRGINVCITEMR_STR-FUNDSCENTER sy-vline 
WA_CRECRRGINVCITEMR_STR-PROFITCENTER sy-vline 
WA_CRECRRGINVCITEMR_STR-FUND sy-vline 
WA_CRECRRGINVCITEMR_STR-BUSINESSAREA sy-vline 
WA_CRECRRGINVCITEMR_STR-PARTNERBUSINESSAREA sy-vline 
WA_CRECRRGINVCITEMR_STR-COSTOBJECT sy-vline 
WA_CRECRRGINVCITEMR_STR-PROJECTNETWORK sy-vline 
WA_CRECRRGINVCITEMR_STR-NETWORKACTIVITY sy-vline 
WA_CRECRRGINVCITEMR_STR-WBSELEMENT sy-vline 
WA_CRECRRGINVCITEMR_STR-RECEIVERACTIVITYTYPE sy-vline 
WA_CRECRRGINVCITEMR_STR-REALESTATEOBJECT sy-vline 
WA_CRECRRGINVCITEMR_STR-PERSONNELNUMBER sy-vline 
WA_CRECRRGINVCITEMR_STR-BUSINESSPROCESS sy-vline 
WA_CRECRRGINVCITEMR_STR-ASSETGRANT sy-vline 
WA_CRECRRGINVCITEMR_STR-COMMITMENTITEM sy-vline 
WA_CRECRRGINVCITEMR_STR-FUNCTIONALAREA sy-vline 
WA_CRECRRGINVCITEMR_STR-QUANTITYINBASEUNIT sy-vline 
WA_CRECRRGINVCITEMR_STR-BASEUNIT sy-vline 
WA_CRECRRGINVCITEMR_STR-ASSIGNMENTREFERENCE sy-vline 
WA_CRECRRGINVCITEMR_STR-ISNOTCASHDISCOUNTLIABLE sy-vline 
WA_CRECRRGINVCITEMR_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_CRECRRGINVCITEMR_STR-PROFITABILITYSEGMENT sy-vline 
WA_CRECRRGINVCITEMR_STR-PLANT sy-vline 
WA_CRECRRGINVCITEMR_STR-BUDGETPERIOD sy-vline 
WA_CRECRRGINVCITEMR_STR-CONTROLLINGAREA sy-vline 
WA_CRECRRGINVCITEMR_STR-JOINTVENTURECOSTRECOVERYCODE sy-vline 
WA_CRECRRGINVCITEMR_STR-WORKITEM sy-vline 
WA_CRECRRGINVCITEMR_STR-CHARTOFACCOUNTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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