ABAP Select data from SAP table ASRVCONITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ASRVCONITM
*  INTO TABLE @DATA(IT_ASRVCONITM2).
*--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_ASRVCONITM INDEX 1 INTO DATA(WA_ASRVCONITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ASRVCONITM>-MANDT = 1.
<ASRVCONITM>-SERVICECONFIRMATION = 1.
<ASRVCONITM>-SERVICECONFIRMATIONITEM = 1.
<ASRVCONITM>-SERVICECONFIRMATIONITEMUUID = 1.
<ASRVCONITM>-SERVICECONFITEMDESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ASRVCONITM-SERVICEOBJECTTYPE, sy-vline,
  WA_ASRVCONITM-SERVICEDOCUMENTITEMOBJECTTYPE, sy-vline,
  WA_ASRVCONITM-LANGUAGE, sy-vline,
  WA_ASRVCONITM-PRODUCT, sy-vline,
  WA_ASRVCONITM-QUANTITY, sy-vline,
  WA_ASRVCONITM-QUANTITYUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ASRVCONITM 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_ASRVCONITM 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_ASRVCONITM INTO WA_ASRVCONITM.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REFERENCESERVICEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ASRVCONITM-REFERENCESERVICEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ASRVCONITM-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_ASRVCONITM_STR, 
MANDT TYPE STRING,
SERVICECONFIRMATION TYPE STRING,
SERVICECONFIRMATIONITEM TYPE STRING,
SERVICECONFIRMATIONITEMUUID TYPE STRING,
SERVICECONFITEMDESCRIPTION TYPE STRING,
SERVICEOBJECTTYPE TYPE STRING,
SERVICEDOCUMENTITEMOBJECTTYPE TYPE STRING,
LANGUAGE TYPE STRING,
PRODUCT TYPE STRING,
QUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
ACTUALSERVICEDURATION TYPE STRING,
ACTUALSERVICEDURATIONUNIT TYPE STRING,
SERVICECONFITEMCATEGORY TYPE STRING,
SERVICECONFITEMISCOMPLETED TYPE STRING,
EXECUTINGSERVICEEMPLOYEE TYPE STRING,
SERVICEPERFORMER TYPE STRING,
BILLABLECONTROL TYPE STRING,
REFERENCESERVICEORDER TYPE STRING,
REFERENCESERVICEORDERITEM TYPE STRING,
PARENTSERVICECONFITEM TYPE STRING,
ACTUALSERVICESTARTDATETIME TYPE STRING,
ACTUALSERVICEENDDATETIME TYPE STRING,
SERVICESRENDEREDDATE TYPE STRING,
TIMESHEETOVERTIMECATEGORY TYPE STRING,
RESPYMGMTSERVICETEAM TYPE STRING,
RESPYMGMTSERVICETEAMNAME TYPE STRING,
RESPYMGMTGLOBALTEAMID TYPE STRING,
SERVICETRANSACTIONCHARGETYPE TYPE STRING,
SRVCTRANSACTIONVALUATIONTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ASRVCONITM_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_ASRVCONITM_STR-MANDT sy-vline 
WA_ASRVCONITM_STR-SERVICECONFIRMATION sy-vline 
WA_ASRVCONITM_STR-SERVICECONFIRMATIONITEM sy-vline 
WA_ASRVCONITM_STR-SERVICECONFIRMATIONITEMUUID sy-vline 
WA_ASRVCONITM_STR-SERVICECONFITEMDESCRIPTION sy-vline 
WA_ASRVCONITM_STR-SERVICEOBJECTTYPE sy-vline 
WA_ASRVCONITM_STR-SERVICEDOCUMENTITEMOBJECTTYPE sy-vline 
WA_ASRVCONITM_STR-LANGUAGE sy-vline 
WA_ASRVCONITM_STR-PRODUCT sy-vline 
WA_ASRVCONITM_STR-QUANTITY sy-vline 
WA_ASRVCONITM_STR-QUANTITYUNIT sy-vline 
WA_ASRVCONITM_STR-ACTUALSERVICEDURATION sy-vline 
WA_ASRVCONITM_STR-ACTUALSERVICEDURATIONUNIT sy-vline 
WA_ASRVCONITM_STR-SERVICECONFITEMCATEGORY sy-vline 
WA_ASRVCONITM_STR-SERVICECONFITEMISCOMPLETED sy-vline 
WA_ASRVCONITM_STR-EXECUTINGSERVICEEMPLOYEE sy-vline 
WA_ASRVCONITM_STR-SERVICEPERFORMER sy-vline 
WA_ASRVCONITM_STR-BILLABLECONTROL sy-vline 
WA_ASRVCONITM_STR-REFERENCESERVICEORDER sy-vline 
WA_ASRVCONITM_STR-REFERENCESERVICEORDERITEM sy-vline 
WA_ASRVCONITM_STR-PARENTSERVICECONFITEM sy-vline 
WA_ASRVCONITM_STR-ACTUALSERVICESTARTDATETIME sy-vline 
WA_ASRVCONITM_STR-ACTUALSERVICEENDDATETIME sy-vline 
WA_ASRVCONITM_STR-SERVICESRENDEREDDATE sy-vline 
WA_ASRVCONITM_STR-TIMESHEETOVERTIMECATEGORY sy-vline 
WA_ASRVCONITM_STR-RESPYMGMTSERVICETEAM sy-vline 
WA_ASRVCONITM_STR-RESPYMGMTSERVICETEAMNAME sy-vline 
WA_ASRVCONITM_STR-RESPYMGMTGLOBALTEAMID sy-vline 
WA_ASRVCONITM_STR-SERVICETRANSACTIONCHARGETYPE sy-vline 
WA_ASRVCONITM_STR-SRVCTRANSACTIONVALUATIONTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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