ABAP Select data from SAP table CRMS4S_MIG_SERVICE_ORDER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_MIG_SERVICE_ORDER 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 CRMS4S_MIG_SERVICE_ORDER. 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 CRMS4S_MIG_SERVICE_ORDER 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_CRMS4S_MIG_SERVICE_ORDER TYPE STANDARD TABLE OF CRMS4S_MIG_SERVICE_ORDER,
      WA_CRMS4S_MIG_SERVICE_ORDER TYPE CRMS4S_MIG_SERVICE_ORDER,
      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: <CRMS4S_MIG_SERVICE_ORDER> TYPE CRMS4S_MIG_SERVICE_ORDER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_MIG_SERVICE_ORDER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_MIG_SERVICE_ORDER
  INTO TABLE IT_CRMS4S_MIG_SERVICE_ORDER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_MIG_SERVICE_ORDER
*  INTO TABLE @DATA(IT_CRMS4S_MIG_SERVICE_ORDER2).
*--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_CRMS4S_MIG_SERVICE_ORDER INDEX 1 INTO DATA(WA_CRMS4S_MIG_SERVICE_ORDER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_MIG_SERVICE_ORDER ASSIGNING <CRMS4S_MIG_SERVICE_ORDER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_MIG_SERVICE_ORDER>-SERVICEORDER = 1.
<CRMS4S_MIG_SERVICE_ORDER>-SERVICEORDERTYPE = 1.
<CRMS4S_MIG_SERVICE_ORDER>-SERVICEORDERDESCRIPTION = 1.
<CRMS4S_MIG_SERVICE_ORDER>-LANGUAGE = 1.
<CRMS4S_MIG_SERVICE_ORDER>-SERVICEDOCUMENTPRIORITY = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_MIG_SERVICE_ORDER INTO WA_CRMS4S_MIG_SERVICE_ORDER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_MIG_SERVICE_ORDER-REQUESTEDSERVICESTARTDATETIME, sy-vline,
  WA_CRMS4S_MIG_SERVICE_ORDER-REQUESTEDSERVICEENDDATETIME, sy-vline,
  WA_CRMS4S_MIG_SERVICE_ORDER-PURCHASEORDERBYCUSTOMER, sy-vline,
  WA_CRMS4S_MIG_SERVICE_ORDER-CUSTOMERPURCHASEORDERDATE, sy-vline,
  WA_CRMS4S_MIG_SERVICE_ORDER-SALESORGANIZATION, sy-vline,
  WA_CRMS4S_MIG_SERVICE_ORDER-DISTRIBUTIONCHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_MIG_SERVICE_ORDER 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_CRMS4S_MIG_SERVICE_ORDER 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_CRMS4S_MIG_SERVICE_ORDER INTO WA_CRMS4S_MIG_SERVICE_ORDER.


*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 SERVICEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-SERVICEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-SERVICEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-SOLDTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHIPTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-SHIPTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-SHIPTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-BILLTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-BILLTOPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-PAYERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-PAYERPARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTACTPERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-CONTACTPERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-CONTACTPERSON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCESERVICECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_MIG_SERVICE_ORDER-REFERENCESERVICECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_MIG_SERVICE_ORDER-REFERENCESERVICECONTRACT.
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_CRMS4S_MIG_SERVICE_ORDER_STR, 
SERVICEORDER TYPE STRING,
SERVICEORDERTYPE TYPE STRING,
SERVICEORDERDESCRIPTION TYPE STRING,
LANGUAGE TYPE STRING,
SERVICEDOCUMENTPRIORITY TYPE STRING,
REQUESTEDSERVICESTARTDATETIME TYPE STRING,
REQUESTEDSERVICEENDDATETIME TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,
CUSTOMERPURCHASEORDERDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
BILLTOPARTY TYPE STRING,
PAYERPARTY TYPE STRING,
CONTACTPERSON TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
TRANSACTIONCURRENCYISOCODE TYPE STRING,
REFERENCESERVICECONTRACT TYPE STRING,
RESPYMGMTSERVICETEAM TYPE STRING,
SERV_H_DUMMY_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_MIG_SERVICE_ORDER_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_CRMS4S_MIG_SERVICE_ORDER_STR-SERVICEORDER sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SERVICEORDERTYPE sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SERVICEORDERDESCRIPTION sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-LANGUAGE sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SERVICEDOCUMENTPRIORITY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-REQUESTEDSERVICESTARTDATETIME sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-REQUESTEDSERVICEENDDATETIME sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-PURCHASEORDERBYCUSTOMER sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-CUSTOMERPURCHASEORDERDATE sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SALESORGANIZATION sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-DIVISION sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SALESOFFICE sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SALESGROUP sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SOLDTOPARTY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SHIPTOPARTY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-BILLTOPARTY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-PAYERPARTY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-CONTACTPERSON sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-TRANSACTIONCURRENCY sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-TRANSACTIONCURRENCYISOCODE sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-REFERENCESERVICECONTRACT sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-RESPYMGMTSERVICETEAM sy-vline 
WA_CRMS4S_MIG_SERVICE_ORDER_STR-SERV_H_DUMMY_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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