ABAP Select data from SAP table CSERVICEITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSERVICEITEM
*  INTO TABLE @DATA(IT_CSERVICEITEM2).
*--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_CSERVICEITEM INDEX 1 INTO DATA(WA_CSERVICEITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSERVICEITEM>-MANDT = 1.
<CSERVICEITEM>-SERVICEOBJECTTYPE = 1.
<CSERVICEITEM>-SERVICEDOCUMENT = 1.
<CSERVICEITEM>-SERVICEDOCUMENTTYPE = 1.
<CSERVICEITEM>-SERVICEDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSERVICEITEM-SERVICEDOCUMENTITEMUUID, sy-vline,
  WA_CSERVICEITEM-ORIGINALLYREQUESTEDPRODUCT, sy-vline,
  WA_CSERVICEITEM-PARENTSERVICEDOCUMENTITEM, sy-vline,
  WA_CSERVICEITEM-CUSTMGMTPARENTITEMPRODUCT, sy-vline,
  WA_CSERVICEITEM-CUSTMGMTPARENTITEMPRODUCTNAME, sy-vline,
  WA_CSERVICEITEM-TECHNICALOBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSERVICEITEM 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_CSERVICEITEM 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_CSERVICEITEM INTO WA_CSERVICEITEM.


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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CSERVICEITEM-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSERVICEITEM-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SERVICEDOCITEMQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSERVICEITEM-SERVICEDOCITEMQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSERVICEITEM-SERVICEDOCITEMQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACTUALSERVICEDURATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSERVICEITEM-ACTUALSERVICEDURATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSERVICEITEM-ACTUALSERVICEDURATIONUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field BILLTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSERVICEITEM-BILLTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSERVICEITEM-BILLTOPARTY.
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_CSERVICEITEM_STR, 
MANDT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
SERVICEDOCUMENTITEM TYPE STRING,
SERVICEDOCUMENTITEMUUID TYPE STRING,
ORIGINALLYREQUESTEDPRODUCT TYPE STRING,
PARENTSERVICEDOCUMENTITEM TYPE STRING,
CUSTMGMTPARENTITEMPRODUCT TYPE STRING,
CUSTMGMTPARENTITEMPRODUCTNAME TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
EQUIPMENT TYPE STRING,
EQUIPMENTNAME TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
FUNCTIONALLOCATIONNAME TYPE STRING,
SERVICEDOCITEMQUANTITYUNIT TYPE STRING,
SERVICEDOCUMENTITEMDESCRIPTION TYPE STRING,
SERVICEDOCITEMCATEGORY TYPE STRING,
SERVICEDOCITEMGROSSAMOUNT TYPE STRING,
SERVICEDOCUMENTITEMQUANTITY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
ACTUALSERVICEDURATION TYPE STRING,
ACTUALSERVICEDURATIONUNIT TYPE STRING,
UXFCACTUALSERVICEDURATION TYPE STRING,
SERVICEDOCUMENTITEMSTATUS TYPE STRING,
SERVICECONFERRORSTSCRITICALITY TYPE STRING,
BILLINGPRICESOURCENAME TYPE STRING,
DOCUMENTDESCRIPTION TYPE STRING,
MATERIALCOMPONENTISSPAREPART TYPE STRING,
BILLABLECONTROL TYPE STRING,
PARENTSERVICEDOCUMENTITEMUUID TYPE STRING,
RESPONSIBLEEMPLOYEE TYPE STRING,
SOLDTOPARTY TYPE STRING,
SERVICEEMPLOYEE TYPE STRING,
TIMESHEETOVERTIMECATEGORY TYPE STRING,
UXFCTIMESHEETOVERTIMECATEGORY TYPE STRING,
ACTUALSERVICESTARTDATETIME TYPE STRING,
UXFCACTUALSERVICESTARTDATETIME TYPE STRING,
REQUESTEDSERVICESTARTDATETIME TYPE STRING,
REQUESTEDSERVICEENDDATETIME TYPE STRING,
BILLINGDATETIME TYPE STRING,
BILLINGDOCCREATIONDATETIME TYPE STRING,
SERVICEDOCITEMBILLINGSTATUS TYPE STRING,
PAYMENTTERMS TYPE STRING,
PAYERPARTY TYPE STRING,
BILLTOPARTY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
SALESORGANIZATIONORGUNITID TYPE STRING,
SALESOFFICEORGUNITID TYPE STRING,
SALESGROUPORGUNITID TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
SERVICEDOCUMENTITEMISREJECTED TYPE STRING,
SERVICEORDERNOTETEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSERVICEITEM_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_CSERVICEITEM_STR-MANDT sy-vline 
WA_CSERVICEITEM_STR-SERVICEOBJECTTYPE sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENT sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEM sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEMUUID sy-vline 
WA_CSERVICEITEM_STR-ORIGINALLYREQUESTEDPRODUCT sy-vline 
WA_CSERVICEITEM_STR-PARENTSERVICEDOCUMENTITEM sy-vline 
WA_CSERVICEITEM_STR-CUSTMGMTPARENTITEMPRODUCT sy-vline 
WA_CSERVICEITEM_STR-CUSTMGMTPARENTITEMPRODUCTNAME sy-vline 
WA_CSERVICEITEM_STR-TECHNICALOBJECT sy-vline 
WA_CSERVICEITEM_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CSERVICEITEM_STR-EQUIPMENT sy-vline 
WA_CSERVICEITEM_STR-EQUIPMENTNAME sy-vline 
WA_CSERVICEITEM_STR-FUNCTIONALLOCATION sy-vline 
WA_CSERVICEITEM_STR-FUNCTIONALLOCATIONNAME sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCITEMQUANTITYUNIT sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEMDESCRIPTION sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCITEMCATEGORY sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCITEMGROSSAMOUNT sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEMQUANTITY sy-vline 
WA_CSERVICEITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_CSERVICEITEM_STR-ACTUALSERVICEDURATION sy-vline 
WA_CSERVICEITEM_STR-ACTUALSERVICEDURATIONUNIT sy-vline 
WA_CSERVICEITEM_STR-UXFCACTUALSERVICEDURATION sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEMSTATUS sy-vline 
WA_CSERVICEITEM_STR-SERVICECONFERRORSTSCRITICALITY sy-vline 
WA_CSERVICEITEM_STR-BILLINGPRICESOURCENAME sy-vline 
WA_CSERVICEITEM_STR-DOCUMENTDESCRIPTION sy-vline 
WA_CSERVICEITEM_STR-MATERIALCOMPONENTISSPAREPART sy-vline 
WA_CSERVICEITEM_STR-BILLABLECONTROL sy-vline 
WA_CSERVICEITEM_STR-PARENTSERVICEDOCUMENTITEMUUID sy-vline 
WA_CSERVICEITEM_STR-RESPONSIBLEEMPLOYEE sy-vline 
WA_CSERVICEITEM_STR-SOLDTOPARTY sy-vline 
WA_CSERVICEITEM_STR-SERVICEEMPLOYEE sy-vline 
WA_CSERVICEITEM_STR-TIMESHEETOVERTIMECATEGORY sy-vline 
WA_CSERVICEITEM_STR-UXFCTIMESHEETOVERTIMECATEGORY sy-vline 
WA_CSERVICEITEM_STR-ACTUALSERVICESTARTDATETIME sy-vline 
WA_CSERVICEITEM_STR-UXFCACTUALSERVICESTARTDATETIME sy-vline 
WA_CSERVICEITEM_STR-REQUESTEDSERVICESTARTDATETIME sy-vline 
WA_CSERVICEITEM_STR-REQUESTEDSERVICEENDDATETIME sy-vline 
WA_CSERVICEITEM_STR-BILLINGDATETIME sy-vline 
WA_CSERVICEITEM_STR-BILLINGDOCCREATIONDATETIME sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCITEMBILLINGSTATUS sy-vline 
WA_CSERVICEITEM_STR-PAYMENTTERMS sy-vline 
WA_CSERVICEITEM_STR-PAYERPARTY sy-vline 
WA_CSERVICEITEM_STR-BILLTOPARTY sy-vline 
WA_CSERVICEITEM_STR-SALESORGANIZATION sy-vline 
WA_CSERVICEITEM_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CSERVICEITEM_STR-DIVISION sy-vline 
WA_CSERVICEITEM_STR-SALESOFFICE sy-vline 
WA_CSERVICEITEM_STR-SALESGROUP sy-vline 
WA_CSERVICEITEM_STR-SALESORGANIZATIONORGUNITID sy-vline 
WA_CSERVICEITEM_STR-SALESOFFICEORGUNITID sy-vline 
WA_CSERVICEITEM_STR-SALESGROUPORGUNITID sy-vline 
WA_CSERVICEITEM_STR-SERVICEORGANIZATION sy-vline 
WA_CSERVICEITEM_STR-SERVICEDOCUMENTITEMISREJECTED sy-vline 
WA_CSERVICEITEM_STR-SERVICEORDERNOTETEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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