ABAP Select data from SAP table /DMBE/CACTIVITY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /DMBE/CACTIVITY 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 /DMBE/CACTIVITY. 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 /DMBE/CACTIVITY 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_/DMBE/CACTIVITY TYPE STANDARD TABLE OF /DMBE/CACTIVITY,
      WA_/DMBE/CACTIVITY TYPE /DMBE/CACTIVITY,
      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: </DMBE/CACTIVITY> TYPE /DMBE/CACTIVITY.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /DMBE/CACTIVITY
  INTO TABLE IT_/DMBE/CACTIVITY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /DMBE/CACTIVITY
*  INTO TABLE @DATA(IT_/DMBE/CACTIVITY2).
*--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_/DMBE/CACTIVITY INDEX 1 INTO DATA(WA_/DMBE/CACTIVITY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/DMBE/CACTIVITY ASSIGNING </DMBE/CACTIVITY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</DMBE/CACTIVITY>-MANDT = 1.
</DMBE/CACTIVITY>-DEALUUID = 1.
</DMBE/CACTIVITY>-SMARTID = 1.
</DMBE/CACTIVITY>-INTERNALCOMPANY = 1.
</DMBE/CACTIVITY>-INTERNALCOMPANYNAME = 1.

ENDLOOP.

LOOP AT IT_/DMBE/CACTIVITY INTO WA_/DMBE/CACTIVITY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/DMBE/CACTIVITY-CONTRACTANALYST, sy-vline,
  WA_/DMBE/CACTIVITY-CONTRACTANALYSTDESCR, sy-vline,
  WA_/DMBE/CACTIVITY-STATUS, sy-vline,
  WA_/DMBE/CACTIVITY-STATUSNAME, sy-vline,
  WA_/DMBE/CACTIVITY-PRODUCTTYPE, sy-vline,
  WA_/DMBE/CACTIVITY-PRODUCTTYPEDESCR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/DMBE/CACTIVITY 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_/DMBE/CACTIVITY 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_/DMBE/CACTIVITY INTO WA_/DMBE/CACTIVITY.


*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 COUNTERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DMBE/CACTIVITY-COUNTERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DMBE/CACTIVITY-COUNTERPARTY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit DCCUR, internal->external for field BROKERFEEAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_DCCUR_OUTPUT'
  EXPORTING
    input =                      WA_/DMBE/CACTIVITY-BROKERFEEAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DMBE/CACTIVITY-BROKERFEEAMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BROKERFEEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/DMBE/CACTIVITY-BROKERFEEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DMBE/CACTIVITY-BROKERFEEUOM.
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_/DMBE/CACTIVITY_STR, 
MANDT TYPE STRING,
DEALUUID TYPE STRING,
SMARTID TYPE STRING,
INTERNALCOMPANY TYPE STRING,
INTERNALCOMPANYNAME TYPE STRING,
CONTRACTANALYST TYPE STRING,
CONTRACTANALYSTDESCR TYPE STRING,
STATUS TYPE STRING,
STATUSNAME TYPE STRING,
PRODUCTTYPE TYPE STRING,
PRODUCTTYPEDESCR TYPE STRING,
INDUSTRY TYPE STRING,
AREOPTIONALITIESINLINE TYPE STRING,
ISCOMPLEXPRICING TYPE STRING,
TRADEDATE TYPE STRING,
DEALTYPE TYPE STRING,
DEALTYPEDESCR TYPE STRING,
DEALBLOCKED TYPE STRING,
TRANSACTIONTYPE TYPE STRING,
TRANSACTIONTYPEDESCR TYPE STRING,
HEADERACCOUNTTYPE TYPE STRING,
HEADERACCOUNTTYPEDESCR TYPE STRING,
COUNTERPARTY TYPE STRING,
COUNTERPARTYNAME TYPE STRING,
COUNTERPARTYCONTACT TYPE STRING,
COUNTERPARTYCONTACTNAME TYPE STRING,
INTERNALCONTACT TYPE STRING,
INTERNALCONTACTDESCR TYPE STRING,
BROKER TYPE STRING,
BROKERNAME TYPE STRING,
BROKERFEEOPTION TYPE STRING,
BROKERFEEOPTIONDESCR TYPE STRING,
BROKERFEEID TYPE STRING,
BROKERFEEDESCR TYPE STRING,
BROKERFEEAMOUNT TYPE STRING,
BROKERFEECURR TYPE STRING,
BROKERFEEQTY TYPE STRING,
BROKERFEEUOM TYPE STRING,
BROKERFEEUOMDESCR TYPE STRING,
RESPONSIBLETRADER TYPE STRING,
RESPONSIBLETRADERDESCR TYPE STRING,
GOVERNINGLAW TYPE STRING,
GOVERNINGLAWDESCR TYPE STRING,
PROVISUUID TYPE STRING,
PROVISDESCR TYPE STRING,
GOVERNINGPARTY TYPE STRING,
GOVERNINGPARTYNAME TYPE STRING,
ARBITRATION TYPE STRING,
IMPORTEROFRECORD TYPE STRING,
IMPORTEROFRECORDDESCR TYPE STRING,
EXPORTEROFRECORD TYPE STRING,
EXPORTEROFRECORDDESCR TYPE STRING,
EFFECTIVEFROM TYPE STRING,
EFFECTIVETO TYPE STRING,
SETTLEMENTCURRENCY TYPE STRING,
SETTLEMENTCURRENCYNAME TYPE STRING,
NOTIFICATIONDATE TYPE STRING,
INITIALTERMFROM TYPE STRING,
INITIALTERMTO TYPE STRING,
BUYINGTRADER TYPE STRING,
SELLINGTRADER TYPE STRING,
DEALCLASS TYPE STRING,
EVGIDRENEWAL TYPE STRING,
EVGDESCRENEWAL TYPE STRING,
EVGIDCANCEL TYPE STRING,
EVGIDCANCELDESCR TYPE STRING,
BUYINGCOMPANY TYPE STRING,
BUYINGCOMPANYDESCR TYPE STRING,
SELLINGCOMPANY TYPE STRING,
SELLINGCOMPANYDESCR TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDAT TYPE STRING,
CHANGEDBYHIDDEN TYPE STRING,
CHANGEDATHIDDEN TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDAT TYPE STRING,
STATUSPRIORITY TYPE STRING,
WORKFLOWPROGRESS TYPE STRING,
SCHEDULINGALLOWED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/DMBE/CACTIVITY_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_/DMBE/CACTIVITY_STR-MANDT sy-vline 
WA_/DMBE/CACTIVITY_STR-DEALUUID sy-vline 
WA_/DMBE/CACTIVITY_STR-SMARTID sy-vline 
WA_/DMBE/CACTIVITY_STR-INTERNALCOMPANY sy-vline 
WA_/DMBE/CACTIVITY_STR-INTERNALCOMPANYNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-CONTRACTANALYST sy-vline 
WA_/DMBE/CACTIVITY_STR-CONTRACTANALYSTDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-STATUS sy-vline 
WA_/DMBE/CACTIVITY_STR-STATUSNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-PRODUCTTYPE sy-vline 
WA_/DMBE/CACTIVITY_STR-PRODUCTTYPEDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-INDUSTRY sy-vline 
WA_/DMBE/CACTIVITY_STR-AREOPTIONALITIESINLINE sy-vline 
WA_/DMBE/CACTIVITY_STR-ISCOMPLEXPRICING sy-vline 
WA_/DMBE/CACTIVITY_STR-TRADEDATE sy-vline 
WA_/DMBE/CACTIVITY_STR-DEALTYPE sy-vline 
WA_/DMBE/CACTIVITY_STR-DEALTYPEDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-DEALBLOCKED sy-vline 
WA_/DMBE/CACTIVITY_STR-TRANSACTIONTYPE sy-vline 
WA_/DMBE/CACTIVITY_STR-TRANSACTIONTYPEDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-HEADERACCOUNTTYPE sy-vline 
WA_/DMBE/CACTIVITY_STR-HEADERACCOUNTTYPEDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-COUNTERPARTY sy-vline 
WA_/DMBE/CACTIVITY_STR-COUNTERPARTYNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-COUNTERPARTYCONTACT sy-vline 
WA_/DMBE/CACTIVITY_STR-COUNTERPARTYCONTACTNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-INTERNALCONTACT sy-vline 
WA_/DMBE/CACTIVITY_STR-INTERNALCONTACTDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKER sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEOPTION sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEOPTIONDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEID sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEAMOUNT sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEECURR sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEQTY sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEUOM sy-vline 
WA_/DMBE/CACTIVITY_STR-BROKERFEEUOMDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-RESPONSIBLETRADER sy-vline 
WA_/DMBE/CACTIVITY_STR-RESPONSIBLETRADERDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-GOVERNINGLAW sy-vline 
WA_/DMBE/CACTIVITY_STR-GOVERNINGLAWDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-PROVISUUID sy-vline 
WA_/DMBE/CACTIVITY_STR-PROVISDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-GOVERNINGPARTY sy-vline 
WA_/DMBE/CACTIVITY_STR-GOVERNINGPARTYNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-ARBITRATION sy-vline 
WA_/DMBE/CACTIVITY_STR-IMPORTEROFRECORD sy-vline 
WA_/DMBE/CACTIVITY_STR-IMPORTEROFRECORDDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-EXPORTEROFRECORD sy-vline 
WA_/DMBE/CACTIVITY_STR-EXPORTEROFRECORDDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-EFFECTIVEFROM sy-vline 
WA_/DMBE/CACTIVITY_STR-EFFECTIVETO sy-vline 
WA_/DMBE/CACTIVITY_STR-SETTLEMENTCURRENCY sy-vline 
WA_/DMBE/CACTIVITY_STR-SETTLEMENTCURRENCYNAME sy-vline 
WA_/DMBE/CACTIVITY_STR-NOTIFICATIONDATE sy-vline 
WA_/DMBE/CACTIVITY_STR-INITIALTERMFROM sy-vline 
WA_/DMBE/CACTIVITY_STR-INITIALTERMTO sy-vline 
WA_/DMBE/CACTIVITY_STR-BUYINGTRADER sy-vline 
WA_/DMBE/CACTIVITY_STR-SELLINGTRADER sy-vline 
WA_/DMBE/CACTIVITY_STR-DEALCLASS sy-vline 
WA_/DMBE/CACTIVITY_STR-EVGIDRENEWAL sy-vline 
WA_/DMBE/CACTIVITY_STR-EVGDESCRENEWAL sy-vline 
WA_/DMBE/CACTIVITY_STR-EVGIDCANCEL sy-vline 
WA_/DMBE/CACTIVITY_STR-EVGIDCANCELDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-BUYINGCOMPANY sy-vline 
WA_/DMBE/CACTIVITY_STR-BUYINGCOMPANYDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-SELLINGCOMPANY sy-vline 
WA_/DMBE/CACTIVITY_STR-SELLINGCOMPANYDESCR sy-vline 
WA_/DMBE/CACTIVITY_STR-CREATEDBY sy-vline 
WA_/DMBE/CACTIVITY_STR-CREATEDAT sy-vline 
WA_/DMBE/CACTIVITY_STR-CHANGEDBYHIDDEN sy-vline 
WA_/DMBE/CACTIVITY_STR-CHANGEDATHIDDEN sy-vline 
WA_/DMBE/CACTIVITY_STR-CHANGEDBY sy-vline 
WA_/DMBE/CACTIVITY_STR-CHANGEDAT sy-vline 
WA_/DMBE/CACTIVITY_STR-STATUSPRIORITY sy-vline 
WA_/DMBE/CACTIVITY_STR-WORKFLOWPROGRESS sy-vline 
WA_/DMBE/CACTIVITY_STR-SCHEDULINGALLOWED sy-vline      INTO ld_text SEPARATED BY SPACE.

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