ABAP Select data from SAP table CSDCRWRKFLWIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSDCRWRKFLWIN
*  INTO TABLE @DATA(IT_CSDCRWRKFLWIN2).
*--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_CSDCRWRKFLWIN INDEX 1 INTO DATA(WA_CSDCRWRKFLWIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSDCRWRKFLWIN>-MANDT = 1.
<CSDCRWRKFLWIN>-CUSTOMERRETURN = 1.
<CSDCRWRKFLWIN>-CUSTOMERRETURNTYPE = 1.
<CSDCRWRKFLWIN>-DOCUMENTTITLE = 1.
<CSDCRWRKFLWIN>-CUSTOMERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSDCRWRKFLWIN-SOLDTOPARTY, sy-vline,
  WA_CSDCRWRKFLWIN-SHIPTOPARTYNAME, sy-vline,
  WA_CSDCRWRKFLWIN-SHIPTOPARTY, sy-vline,
  WA_CSDCRWRKFLWIN-CITYNAME, sy-vline,
  WA_CSDCRWRKFLWIN-COUNTRYNAME, sy-vline,
  WA_CSDCRWRKFLWIN-COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSDCRWRKFLWIN 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_CSDCRWRKFLWIN 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_CSDCRWRKFLWIN INTO WA_CSDCRWRKFLWIN.


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

*Conversion exit AUART, internal->external for field CUSTOMERRETURNTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_CSDCRWRKFLWIN-CUSTOMERRETURNTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSDCRWRKFLWIN-CUSTOMERRETURNTYPE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SHIPTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSDCRWRKFLWIN-SHIPTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSDCRWRKFLWIN-SHIPTOPARTY.
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_CSDCRWRKFLWIN_STR, 
MANDT TYPE STRING,
CUSTOMERRETURN TYPE STRING,
CUSTOMERRETURNTYPE TYPE STRING,
DOCUMENTTITLE TYPE STRING,
CUSTOMERNAME TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTYNAME TYPE STRING,
SHIPTOPARTY TYPE STRING,
CITYNAME TYPE STRING,
COUNTRYNAME TYPE STRING,
COUNTRY TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
SDDOCUMENTREASONTEXT TYPE STRING,
SDDOCUMENTREASON TYPE STRING,
SDAPPROVALREASONNAME TYPE STRING,
CUSTOMERRETURNAPPROVALREASON TYPE STRING,
SALESORGANIZATIONNAME TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNELNAME TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISIONNAME TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
USERNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
USERDESCRIPTION TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSDCRWRKFLWIN_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_CSDCRWRKFLWIN_STR-MANDT sy-vline 
WA_CSDCRWRKFLWIN_STR-CUSTOMERRETURN sy-vline 
WA_CSDCRWRKFLWIN_STR-CUSTOMERRETURNTYPE sy-vline 
WA_CSDCRWRKFLWIN_STR-DOCUMENTTITLE sy-vline 
WA_CSDCRWRKFLWIN_STR-CUSTOMERNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-SOLDTOPARTY sy-vline 
WA_CSDCRWRKFLWIN_STR-SHIPTOPARTYNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-SHIPTOPARTY sy-vline 
WA_CSDCRWRKFLWIN_STR-CITYNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-COUNTRYNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-COUNTRY sy-vline 
WA_CSDCRWRKFLWIN_STR-PURCHASEORDERBYCUSTOMER sy-vline 
WA_CSDCRWRKFLWIN_STR-TRANSACTIONCURRENCY sy-vline 
WA_CSDCRWRKFLWIN_STR-TOTALNETAMOUNT sy-vline 
WA_CSDCRWRKFLWIN_STR-SDDOCUMENTREASONTEXT sy-vline 
WA_CSDCRWRKFLWIN_STR-SDDOCUMENTREASON sy-vline 
WA_CSDCRWRKFLWIN_STR-SDAPPROVALREASONNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-CUSTOMERRETURNAPPROVALREASON sy-vline 
WA_CSDCRWRKFLWIN_STR-SALESORGANIZATIONNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-SALESORGANIZATION sy-vline 
WA_CSDCRWRKFLWIN_STR-DISTRIBUTIONCHANNELNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CSDCRWRKFLWIN_STR-DIVISIONNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-ORGANIZATIONDIVISION sy-vline 
WA_CSDCRWRKFLWIN_STR-USERNAME sy-vline 
WA_CSDCRWRKFLWIN_STR-CREATEDBYUSER sy-vline 
WA_CSDCRWRKFLWIN_STR-CREATIONDATE sy-vline 
WA_CSDCRWRKFLWIN_STR-USERDESCRIPTION sy-vline 
WA_CSDCRWRKFLWIN_STR-LASTCHANGEDBYUSER sy-vline 
WA_CSDCRWRKFLWIN_STR-LASTCHANGEDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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