ABAP Select data from SAP table CFROVRDINVCITEMQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFROVRDINVCITEMQ
*  INTO TABLE @DATA(IT_CFROVRDINVCITEMQ2).
*--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_CFROVRDINVCITEMQ INDEX 1 INTO DATA(WA_CFROVRDINVCITEMQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFROVRDINVCITEMQ>-MANDT = 1.
<CFROVRDINVCITEMQ>-COMPANYCODE = 1.
<CFROVRDINVCITEMQ>-FISCALYEAR = 1.
<CFROVRDINVCITEMQ>-ACCOUNTINGDOCUMENT = 1.
<CFROVRDINVCITEMQ>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFROVRDINVCITEMQ-STATRYRPTCATEGORY, sy-vline,
  WA_CFROVRDINVCITEMQ-STATRYRPTGENTITY, sy-vline,
  WA_CFROVRDINVCITEMQ-STATRYRPTRUNID, sy-vline,
  WA_CFROVRDINVCITEMQ-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_CFROVRDINVCITEMQ-FINANCIALACCOUNTTYPE, sy-vline,
  WA_CFROVRDINVCITEMQ-BUSINESSPARTNER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFROVRDINVCITEMQ 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_CFROVRDINVCITEMQ 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_CFROVRDINVCITEMQ INTO WA_CFROVRDINVCITEMQ.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CFROVRDINVCITEMQ-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFROVRDINVCITEMQ-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFROVRDINVCITEMQ-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFROVRDINVCITEMQ-GLACCOUNT.
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_CFROVRDINVCITEMQ_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
GLACCOUNT TYPE STRING,
SPECIALGLCODE TYPE STRING,
NETDUEARREARSDAYS TYPE STRING,
FR_INVOICEPAYMENTDELAYSEGMENT TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
FR_OVRDINVCRPTDAMTINCCCRCY TYPE STRING,
FR_OVERDUEINVOICEITEMNUMBER TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
BYKDTEVALDINVCAMTINCOCODECRCY TYPE STRING,
INVOICEALREADYPAIDAMTINCCCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFROVRDINVCITEMQ_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_CFROVRDINVCITEMQ_STR-MANDT sy-vline 
WA_CFROVRDINVCITEMQ_STR-COMPANYCODE sy-vline 
WA_CFROVRDINVCITEMQ_STR-FISCALYEAR sy-vline 
WA_CFROVRDINVCITEMQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CFROVRDINVCITEMQ_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_CFROVRDINVCITEMQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CFROVRDINVCITEMQ_STR-STATRYRPTGENTITY sy-vline 
WA_CFROVRDINVCITEMQ_STR-STATRYRPTRUNID sy-vline 
WA_CFROVRDINVCITEMQ_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CFROVRDINVCITEMQ_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_CFROVRDINVCITEMQ_STR-BUSINESSPARTNER sy-vline 
WA_CFROVRDINVCITEMQ_STR-GLACCOUNT sy-vline 
WA_CFROVRDINVCITEMQ_STR-SPECIALGLCODE sy-vline 
WA_CFROVRDINVCITEMQ_STR-NETDUEARREARSDAYS sy-vline 
WA_CFROVRDINVCITEMQ_STR-FR_INVOICEPAYMENTDELAYSEGMENT sy-vline 
WA_CFROVRDINVCITEMQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-FR_OVRDINVCRPTDAMTINCCCRCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-FR_OVERDUEINVOICEITEMNUMBER sy-vline 
WA_CFROVRDINVCITEMQ_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_CFROVRDINVCITEMQ_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-TRANSACTIONCURRENCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-BYKDTEVALDINVCAMTINCOCODECRCY sy-vline 
WA_CFROVRDINVCITEMQ_STR-INVOICEALREADYPAIDAMTINCCCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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