ABAP Select data from SAP table PSRVCISSITMC004 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSRVCISSITMC004 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 PSRVCISSITMC004. 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 PSRVCISSITMC004 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_PSRVCISSITMC004 TYPE STANDARD TABLE OF PSRVCISSITMC004,
      WA_PSRVCISSITMC004 TYPE PSRVCISSITMC004,
      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: <PSRVCISSITMC004> TYPE PSRVCISSITMC004.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSRVCISSITMC004.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSRVCISSITMC004
  INTO TABLE IT_PSRVCISSITMC004.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSRVCISSITMC004
*  INTO TABLE @DATA(IT_PSRVCISSITMC0042).
*--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_PSRVCISSITMC004 INDEX 1 INTO DATA(WA_PSRVCISSITMC0042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSRVCISSITMC004 ASSIGNING <PSRVCISSITMC004>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSRVCISSITMC004>-MANDT = 1.
<PSRVCISSITMC004>-SERVICEOBJECTTYPE = 1.
<PSRVCISSITMC004>-SERVICEDOCUMENT = 1.
<PSRVCISSITMC004>-SERVICEDOCUMENTITEM = 1.
<PSRVCISSITMC004>-CUSTMGMTISSUE = 1.

ENDLOOP.

LOOP AT IT_PSRVCISSITMC004 INTO WA_PSRVCISSITMC004.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSRVCISSITMC004-SRVCCONFISSUE, sy-vline,
  WA_PSRVCISSITMC004-SERVICEDOCUMENTTYPE, sy-vline,
  WA_PSRVCISSITMC004-COUNTRY, sy-vline,
  WA_PSRVCISSITMC004-REGION, sy-vline,
  WA_PSRVCISSITMC004-SERVICERISK, sy-vline,
  WA_PSRVCISSITMC004-SERVICEDOCUMENTPROBLEMCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSRVCISSITMC004 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_PSRVCISSITMC004 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_PSRVCISSITMC004 INTO WA_PSRVCISSITMC004.


*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_PSRVCISSITMC004-SERVICEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-SERVICEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-SOLDTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RESPONSIBLEEMPLOYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-RESPONSIBLEEMPLOYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-RESPONSIBLEEMPLOYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTACTPERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-CONTACTPERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-CONTACTPERSON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICETEAM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-SERVICETEAM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-SERVICETEAM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICEEMPLOYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-SERVICEEMPLOYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-SERVICEEMPLOYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFBUSINESSSOLUTIONORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRVCISSITMC004-REFBUSINESSSOLUTIONORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRVCISSITMC004-REFBUSINESSSOLUTIONORDER.
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_PSRVCISSITMC004_STR, 
MANDT TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
SERVICEDOCUMENT TYPE STRING,
SERVICEDOCUMENTITEM TYPE STRING,
CUSTMGMTISSUE TYPE STRING,
SRVCCONFISSUE TYPE STRING,
SERVICEDOCUMENTTYPE TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
SERVICERISK TYPE STRING,
SERVICEDOCUMENTPROBLEMCATEGORY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SRVCORDGROSSAMOUNT TYPE STRING,
INDUSTRY TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SOLDTOPARTYCOUNTRY TYPE STRING,
SOLDTOPARTYREGION TYPE STRING,
SOLDTOPARTY TYPE STRING,
RESPONSIBLEEMPLOYEE TYPE STRING,
CONTACTPERSON TYPE STRING,
SERVICETEAM TYPE STRING,
SERVICEEMPLOYEE TYPE STRING,
SERVICEDOCITEMREJECTIONREASON TYPE STRING,
SERVICEDOCUMENTITEMSTATUS TYPE STRING,
SERVICEDOCUMENTITEMHASERROR TYPE STRING,
BILLINGBLOCKREASON TYPE STRING,
SERVICEDOCITEMBILLINGSTATUS TYPE STRING,
SRVCDOCITMISRELEASEDFORBILLING TYPE STRING,
SRVCDOCITEMTRANSFERSTATUS TYPE STRING,
REQUESTEDSERVICESTARTDATETIME TYPE STRING,
REQUESTEDSERVICEENDDATETIME TYPE STRING,
PLANNEDSERVICESTARTDATETIME TYPE STRING,
PLANNEDSERVICEENDDATETIME TYPE STRING,
SRVCDOCITEMSLADUEBYDATETIME TYPE STRING,
RESPONSEPROFILE TYPE STRING,
SERVICEPROFILE TYPE STRING,
SERVICEFIRSTRESPONSEBYDATETIME TYPE STRING,
REFBUSINESSSOLUTIONORDER TYPE STRING,
REFBUSINESSSOLUTIONORDERITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSRVCISSITMC004_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_PSRVCISSITMC004_STR-MANDT sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEOBJECTTYPE sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENT sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENTITEM sy-vline 
WA_PSRVCISSITMC004_STR-CUSTMGMTISSUE sy-vline 
WA_PSRVCISSITMC004_STR-SRVCCONFISSUE sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENTTYPE sy-vline 
WA_PSRVCISSITMC004_STR-COUNTRY sy-vline 
WA_PSRVCISSITMC004_STR-REGION sy-vline 
WA_PSRVCISSITMC004_STR-SERVICERISK sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENTPROBLEMCATEGORY sy-vline 
WA_PSRVCISSITMC004_STR-TRANSACTIONCURRENCY sy-vline 
WA_PSRVCISSITMC004_STR-SRVCORDGROSSAMOUNT sy-vline 
WA_PSRVCISSITMC004_STR-INDUSTRY sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEORGANIZATION sy-vline 
WA_PSRVCISSITMC004_STR-SALESORGANIZATION sy-vline 
WA_PSRVCISSITMC004_STR-SALESOFFICE sy-vline 
WA_PSRVCISSITMC004_STR-SALESGROUP sy-vline 
WA_PSRVCISSITMC004_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSRVCISSITMC004_STR-DIVISION sy-vline 
WA_PSRVCISSITMC004_STR-SOLDTOPARTYCOUNTRY sy-vline 
WA_PSRVCISSITMC004_STR-SOLDTOPARTYREGION sy-vline 
WA_PSRVCISSITMC004_STR-SOLDTOPARTY sy-vline 
WA_PSRVCISSITMC004_STR-RESPONSIBLEEMPLOYEE sy-vline 
WA_PSRVCISSITMC004_STR-CONTACTPERSON sy-vline 
WA_PSRVCISSITMC004_STR-SERVICETEAM sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEEMPLOYEE sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCITEMREJECTIONREASON sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENTITEMSTATUS sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCUMENTITEMHASERROR sy-vline 
WA_PSRVCISSITMC004_STR-BILLINGBLOCKREASON sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEDOCITEMBILLINGSTATUS sy-vline 
WA_PSRVCISSITMC004_STR-SRVCDOCITMISRELEASEDFORBILLING sy-vline 
WA_PSRVCISSITMC004_STR-SRVCDOCITEMTRANSFERSTATUS sy-vline 
WA_PSRVCISSITMC004_STR-REQUESTEDSERVICESTARTDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-REQUESTEDSERVICEENDDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-PLANNEDSERVICESTARTDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-PLANNEDSERVICEENDDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-SRVCDOCITEMSLADUEBYDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-RESPONSEPROFILE sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEPROFILE sy-vline 
WA_PSRVCISSITMC004_STR-SERVICEFIRSTRESPONSEBYDATETIME sy-vline 
WA_PSRVCISSITMC004_STR-REFBUSINESSSOLUTIONORDER sy-vline 
WA_PSRVCISSITMC004_STR-REFBUSINESSSOLUTIONORDERITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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