ABAP Select data from SAP table CRECRRGINVCFOCAR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRECRRGINVCFOCAR
*  INTO TABLE @DATA(IT_CRECRRGINVCFOCAR2).
*--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_CRECRRGINVCFOCAR INDEX 1 INTO DATA(WA_CRECRRGINVCFOCAR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRECRRGINVCFOCAR>-MANDT = 1.
<CRECRRGINVCFOCAR>-RECRRGSUPLRINVCTMPLINSTCEUUID = 1.
<CRECRRGINVCFOCAR>-RECRRGSUPLRINVCTMPLUUID = 1.
<CRECRRGINVCFOCAR>-RECRRGSUPLRINVCTMPLINSTANCE = 1.
<CRECRRGINVCFOCAR>-RECRRGACCTGDOCOCCRNCSTS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRECRRGINVCFOCAR-POSTINGDATE, sy-vline,
  WA_CRECRRGINVCFOCAR-ACCOUNTINGDOCUMENT, sy-vline,
  WA_CRECRRGINVCFOCAR-RECURRINGACCOUNTINGDOCUMENT, sy-vline,
  WA_CRECRRGINVCFOCAR-SUPPLIERINVOICEWITHITEM, sy-vline,
  WA_CRECRRGINVCFOCAR-FISCALYEAR, sy-vline,
  WA_CRECRRGINVCFOCAR-TRANSACTIONCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRECRRGINVCFOCAR 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_CRECRRGINVCFOCAR 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_CRECRRGINVCFOCAR INTO WA_CRECRRGINVCFOCAR.


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

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CRECRRGINVCFOCAR-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRECRRGINVCFOCAR-FISCALYEAR.
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_CRECRRGINVCFOCAR_STR, 
MANDT TYPE STRING,
RECRRGSUPLRINVCTMPLINSTCEUUID TYPE STRING,
RECRRGSUPLRINVCTMPLUUID TYPE STRING,
RECRRGSUPLRINVCTMPLINSTANCE TYPE STRING,
RECRRGACCTGDOCOCCRNCSTS TYPE STRING,
POSTINGDATE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
RECURRINGACCOUNTINGDOCUMENT TYPE STRING,
SUPPLIERINVOICEWITHITEM TYPE STRING,
FISCALYEAR TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRECRRGINVCFOCAR_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_CRECRRGINVCFOCAR_STR-MANDT sy-vline 
WA_CRECRRGINVCFOCAR_STR-RECRRGSUPLRINVCTMPLINSTCEUUID sy-vline 
WA_CRECRRGINVCFOCAR_STR-RECRRGSUPLRINVCTMPLUUID sy-vline 
WA_CRECRRGINVCFOCAR_STR-RECRRGSUPLRINVCTMPLINSTANCE sy-vline 
WA_CRECRRGINVCFOCAR_STR-RECRRGACCTGDOCOCCRNCSTS sy-vline 
WA_CRECRRGINVCFOCAR_STR-POSTINGDATE sy-vline 
WA_CRECRRGINVCFOCAR_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CRECRRGINVCFOCAR_STR-RECURRINGACCOUNTINGDOCUMENT sy-vline 
WA_CRECRRGINVCFOCAR_STR-SUPPLIERINVOICEWITHITEM sy-vline 
WA_CRECRRGINVCFOCAR_STR-FISCALYEAR sy-vline 
WA_CRECRRGINVCFOCAR_STR-TRANSACTIONCURRENCY sy-vline 
WA_CRECRRGINVCFOCAR_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CRECRRGINVCFOCAR_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_CRECRRGINVCFOCAR_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_CRECRRGINVCFOCAR_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.