ABAP Select data from SAP table VIXCCORRVIIR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIXCCORRVIIR
*  INTO TABLE @DATA(IT_VIXCCORRVIIR2).
*--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_VIXCCORRVIIR INDEX 1 INTO DATA(WA_VIXCCORRVIIR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIXCCORRVIIR>-MANDT = 1.
<VIXCCORRVIIR>-DOCGUID_NEW = 1.
<VIXCCORRVIIR>-ITEMNO_NEW = 1.
<VIXCCORRVIIR>-DOCGUID_ORIG = 1.
<VIXCCORRVIIR>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIXCCORRVIIR-BELNR_NEW, sy-vline,
  WA_VIXCCORRVIIR-GJAHR_DOC, sy-vline,
  WA_VIXCCORRVIIR-BELNR_ORIG, sy-vline,
  WA_VIXCCORRVIIR-GJAHR_DOC_ORIG, sy-vline,
  WA_VIXCCORRVIIR-ITEMNO_ORIG, sy-vline,
  WA_VIXCCORRVIIR-CORRTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIXCCORRVIIR 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_VIXCCORRVIIR 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_VIXCCORRVIIR INTO WA_VIXCCORRVIIR.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIXCCORRVIIR-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIXCCORRVIIR-PARTNER.
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_VIXCCORRVIIR_STR, 
MANDT TYPE STRING,
DOCGUID_NEW TYPE STRING,
ITEMNO_NEW TYPE STRING,
DOCGUID_ORIG TYPE STRING,
BUKRS TYPE STRING,
BELNR_NEW TYPE STRING,
GJAHR_DOC TYPE STRING,
BELNR_ORIG TYPE STRING,
GJAHR_DOC_ORIG TYPE STRING,
ITEMNO_ORIG TYPE STRING,
CORRTYPE TYPE STRING,
CORR_REASON TYPE STRING,
INVGUID TYPE STRING,
INVNO TYPE STRING,
INV_FISC_YEAR TYPE STRING,
INVITEMNO TYPE STRING,
INVGUID_ORIG TYPE STRING,
INVNO_ORIG TYPE STRING,
INV_FISCYE_ORIG TYPE STRING,
INVITEMNO_ORIG TYPE STRING,
INTRENO TYPE STRING,
CORR_OF_CORR TYPE STRING,
RECNNR TYPE STRING,
PARTNER TYPE STRING,
MONAT TYPE STRING,
BUDAT TYPE STRING,
DFAELL TYPE STRING,
TAXCORR_ONLY TYPE STRING,
TAXCORR_FOR_GUID TYPE STRING,
TAXCORR_FOR_ITEM TYPE STRING,
TAXCORR_R_CFGUID TYPE STRING,
ITEMTXT TYPE STRING,
TRRULE TYPE STRING,
INV_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIXCCORRVIIR_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_VIXCCORRVIIR_STR-MANDT sy-vline 
WA_VIXCCORRVIIR_STR-DOCGUID_NEW sy-vline 
WA_VIXCCORRVIIR_STR-ITEMNO_NEW sy-vline 
WA_VIXCCORRVIIR_STR-DOCGUID_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-BUKRS sy-vline 
WA_VIXCCORRVIIR_STR-BELNR_NEW sy-vline 
WA_VIXCCORRVIIR_STR-GJAHR_DOC sy-vline 
WA_VIXCCORRVIIR_STR-BELNR_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-GJAHR_DOC_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-ITEMNO_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-CORRTYPE sy-vline 
WA_VIXCCORRVIIR_STR-CORR_REASON sy-vline 
WA_VIXCCORRVIIR_STR-INVGUID sy-vline 
WA_VIXCCORRVIIR_STR-INVNO sy-vline 
WA_VIXCCORRVIIR_STR-INV_FISC_YEAR sy-vline 
WA_VIXCCORRVIIR_STR-INVITEMNO sy-vline 
WA_VIXCCORRVIIR_STR-INVGUID_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-INVNO_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-INV_FISCYE_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-INVITEMNO_ORIG sy-vline 
WA_VIXCCORRVIIR_STR-INTRENO sy-vline 
WA_VIXCCORRVIIR_STR-CORR_OF_CORR sy-vline 
WA_VIXCCORRVIIR_STR-RECNNR sy-vline 
WA_VIXCCORRVIIR_STR-PARTNER sy-vline 
WA_VIXCCORRVIIR_STR-MONAT sy-vline 
WA_VIXCCORRVIIR_STR-BUDAT sy-vline 
WA_VIXCCORRVIIR_STR-DFAELL sy-vline 
WA_VIXCCORRVIIR_STR-TAXCORR_ONLY sy-vline 
WA_VIXCCORRVIIR_STR-TAXCORR_FOR_GUID sy-vline 
WA_VIXCCORRVIIR_STR-TAXCORR_FOR_ITEM sy-vline 
WA_VIXCCORRVIIR_STR-TAXCORR_R_CFGUID sy-vline 
WA_VIXCCORRVIIR_STR-ITEMTXT sy-vline 
WA_VIXCCORRVIIR_STR-TRRULE sy-vline 
WA_VIXCCORRVIIR_STR-INV_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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