ABAP Select data from SAP table CCNTXISUPLRIREF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCNTXISUPLRIREF
*  INTO TABLE @DATA(IT_CCNTXISUPLRIREF2).
*--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_CCNTXISUPLRIREF INDEX 1 INTO DATA(WA_CCNTXISUPLRIREF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCNTXISUPLRIREF>-MANDT = 1.
<CCNTXISUPLRIREF>-SUPPLIERINVOICE = 1.
<CCNTXISUPLRIREF>-FISCALYEAR = 1.
<CCNTXISUPLRIREF>-INVOICINGPARTY = 1.
<CCNTXISUPLRIREF>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCNTXISUPLRIREF-DOCUMENTDATE, sy-vline,
  WA_CCNTXISUPLRIREF-POSTINGDATE, sy-vline,
  WA_CCNTXISUPLRIREF-INVOICEREFERENCE, sy-vline,
  WA_CCNTXISUPLRIREF-SUPPLIERINVOICESTATUS, sy-vline,
  WA_CCNTXISUPLRIREF-ISENDOFPURPOSEBLOCKED, sy-vline,
  WA_CCNTXISUPLRIREF-DOCUMENTSTATUSDESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCNTXISUPLRIREF 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_CCNTXISUPLRIREF 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_CCNTXISUPLRIREF INTO WA_CCNTXISUPLRIREF.


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

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

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

*Conversion exit ALPHA, internal->external for field INVOICEREFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCNTXISUPLRIREF-INVOICEREFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCNTXISUPLRIREF-INVOICEREFERENCE.
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_CCNTXISUPLRIREF_STR, 
MANDT TYPE STRING,
SUPPLIERINVOICE TYPE STRING,
FISCALYEAR TYPE STRING,
INVOICINGPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
INVOICEREFERENCE TYPE STRING,
SUPPLIERINVOICESTATUS TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
DOCUMENTSTATUSDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCNTXISUPLRIREF_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_CCNTXISUPLRIREF_STR-MANDT sy-vline 
WA_CCNTXISUPLRIREF_STR-SUPPLIERINVOICE sy-vline 
WA_CCNTXISUPLRIREF_STR-FISCALYEAR sy-vline 
WA_CCNTXISUPLRIREF_STR-INVOICINGPARTY sy-vline 
WA_CCNTXISUPLRIREF_STR-COMPANYCODE sy-vline 
WA_CCNTXISUPLRIREF_STR-DOCUMENTDATE sy-vline 
WA_CCNTXISUPLRIREF_STR-POSTINGDATE sy-vline 
WA_CCNTXISUPLRIREF_STR-INVOICEREFERENCE sy-vline 
WA_CCNTXISUPLRIREF_STR-SUPPLIERINVOICESTATUS sy-vline 
WA_CCNTXISUPLRIREF_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_CCNTXISUPLRIREF_STR-DOCUMENTSTATUSDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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