ABAP Select data from SAP table CCUSTCMPLLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCUSTCMPLLIST
*  INTO TABLE @DATA(IT_CCUSTCMPLLIST2).
*--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_CCUSTCMPLLIST INDEX 1 INTO DATA(WA_CCUSTCMPLLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCUSTCMPLLIST>-MANDT = 1.
<CCUSTCMPLLIST>-SERVICEOBJECTTYPE = 1.
<CCUSTCMPLLIST>-CUSTOMERCOMPLAINT = 1.
<CCUSTCMPLLIST>-CUSTOMERCOMPLAINTUUID = 1.
<CCUSTCMPLLIST>-CUSTCMPLDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCUSTCMPLLIST-CUSTCMPLTYPE, sy-vline,
  WA_CCUSTCMPLLIST-SOLDTOPARTY, sy-vline,
  WA_CCUSTCMPLLIST-RESPONSIBLEEMPLOYEE, sy-vline,
  WA_CCUSTCMPLLIST-CONTACTPERSON, sy-vline,
  WA_CCUSTCMPLLIST-CUSTCMPLREPORTEDBYBP, sy-vline,
  WA_CCUSTCMPLLIST-CUSTCMPLCREATIONDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCUSTCMPLLIST 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_CCUSTCMPLLIST 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_CCUSTCMPLLIST INTO WA_CCUSTCMPLLIST.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REFERENCESERVICEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCUSTCMPLLIST-REFERENCESERVICEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCUSTCMPLLIST-REFERENCESERVICEORDER.
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_CCUSTCMPLLIST_STR, 
MANDT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
CUSTOMERCOMPLAINT TYPE STRING,
CUSTOMERCOMPLAINTUUID TYPE STRING,
CUSTCMPLDESCRIPTION TYPE STRING,
CUSTCMPLTYPE TYPE STRING,
SOLDTOPARTY TYPE STRING,
RESPONSIBLEEMPLOYEE TYPE STRING,
CONTACTPERSON TYPE STRING,
CUSTCMPLREPORTEDBYBP TYPE STRING,
CUSTCMPLCREATIONDATETIME TYPE STRING,
CUSTCMPLCREATIONDATE TYPE STRING,
CUSTCMPLCHANGEDDATETIME TYPE STRING,
CUSTCMPLCREATEDBYUSER TYPE STRING,
CUSTCMPLCHANGEDBYUSER TYPE STRING,
CUSTCMPLURGENCY TYPE STRING,
CUSTCMPLPRIORITY TYPE STRING,
CUSTCMPLREQDSOLUTIONDATETIME TYPE STRING,
CUSTCMPLPROCGSTARTDATETIME TYPE STRING,
CUSTCMPLPROCGENDDATETIME TYPE STRING,
CUSTCMPLREQUESTEDSOLUTION TYPE STRING,
CUSTCMPLREQUESTEDSOLUTIONDATE TYPE STRING,
CUSTCMPLSTATUS TYPE STRING,
UXFCCOMPLAINTITEM TYPE STRING,
SOLDTOPARTYEXTREFID TYPE STRING,
TEXTOBJECTKEY TYPE STRING,
CUSTCMPLREFERENCEOBJECTTYPE TYPE STRING,
REFERENCEBILLINGDOCUMENT TYPE STRING,
SERVICEREFERENCEEQUIPMENT TYPE STRING,
REFERENCESERVICEORDER TYPE STRING,
SERVICEDOCPREDECESSOR TYPE STRING,
CUSTCMPLTEXT TYPE STRING,
UXFCREFERENCESERVICEORDER TYPE STRING,
UXFCREFERENCEBILLINGDOCUMENT TYPE STRING,
UXFCSERVICEREFERENCEEQUIPMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCUSTCMPLLIST_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_CCUSTCMPLLIST_STR-MANDT sy-vline 
WA_CCUSTCMPLLIST_STR-SERVICEOBJECTTYPE sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTOMERCOMPLAINT sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTOMERCOMPLAINTUUID sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLDESCRIPTION sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLTYPE sy-vline 
WA_CCUSTCMPLLIST_STR-SOLDTOPARTY sy-vline 
WA_CCUSTCMPLLIST_STR-RESPONSIBLEEMPLOYEE sy-vline 
WA_CCUSTCMPLLIST_STR-CONTACTPERSON sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLREPORTEDBYBP sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLCREATIONDATETIME sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLCREATIONDATE sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLCHANGEDDATETIME sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLCREATEDBYUSER sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLCHANGEDBYUSER sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLURGENCY sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLPRIORITY sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLREQDSOLUTIONDATETIME sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLPROCGSTARTDATETIME sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLPROCGENDDATETIME sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLREQUESTEDSOLUTION sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLREQUESTEDSOLUTIONDATE sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLSTATUS sy-vline 
WA_CCUSTCMPLLIST_STR-UXFCCOMPLAINTITEM sy-vline 
WA_CCUSTCMPLLIST_STR-SOLDTOPARTYEXTREFID sy-vline 
WA_CCUSTCMPLLIST_STR-TEXTOBJECTKEY sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLREFERENCEOBJECTTYPE sy-vline 
WA_CCUSTCMPLLIST_STR-REFERENCEBILLINGDOCUMENT sy-vline 
WA_CCUSTCMPLLIST_STR-SERVICEREFERENCEEQUIPMENT sy-vline 
WA_CCUSTCMPLLIST_STR-REFERENCESERVICEORDER sy-vline 
WA_CCUSTCMPLLIST_STR-SERVICEDOCPREDECESSOR sy-vline 
WA_CCUSTCMPLLIST_STR-CUSTCMPLTEXT sy-vline 
WA_CCUSTCMPLLIST_STR-UXFCREFERENCESERVICEORDER sy-vline 
WA_CCUSTCMPLLIST_STR-UXFCREFERENCEBILLINGDOCUMENT sy-vline 
WA_CCUSTCMPLLIST_STR-UXFCSERVICEREFERENCEEQUIPMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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