ABAP Select data from SAP table WFD_S_IMPORT_WORKER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WFD_S_IMPORT_WORKER
*  INTO TABLE @DATA(IT_WFD_S_IMPORT_WORKER2).
*--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_WFD_S_IMPORT_WORKER INDEX 1 INTO DATA(WA_WFD_S_IMPORT_WORKER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WFD_S_IMPORT_WORKER>-ID = 1.
<WFD_S_IMPORT_WORKER>-SYSTEMOFRECORDWORKASSIGNMENTID = 1.
<WFD_S_IMPORT_WORKER>-ROLE = 1.
<WFD_S_IMPORT_WORKER>-SUPPLIEREXTERNALID = 1.
<WFD_S_IMPORT_WORKER>-FIRSTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WFD_S_IMPORT_WORKER-LASTNAME, sy-vline,
  WA_WFD_S_IMPORT_WORKER-FORMATTEDNAME, sy-vline,
  WA_WFD_S_IMPORT_WORKER-GENDER, sy-vline,
  WA_WFD_S_IMPORT_WORKER-ADDRESS, sy-vline,
  WA_WFD_S_IMPORT_WORKER-PHONENUMBER, sy-vline,
  WA_WFD_S_IMPORT_WORKER-WORKMOBILE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WFD_S_IMPORT_WORKER 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_WFD_S_IMPORT_WORKER 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_WFD_S_IMPORT_WORKER INTO WA_WFD_S_IMPORT_WORKER.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_WFD_S_IMPORT_WORKER_STR, 
ID TYPE STRING,
SYSTEMOFRECORDWORKASSIGNMENTID TYPE STRING,
ROLE TYPE STRING,
SUPPLIEREXTERNALID TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
FORMATTEDNAME TYPE STRING,
GENDER TYPE STRING,
ADDRESS TYPE STRING,
PHONENUMBER TYPE STRING,
WORKMOBILE TYPE STRING,
NATIVEPREFERREDLANGUAGECODE TYPE STRING,
BANKCOUNTRYCODE TYPE STRING,
BANKROUTINGID TYPE STRING,
BUSINESSIDENTIFIERCODE TYPE STRING,
BANKACCOUNT TYPE STRING,
IBAN TYPE STRING,
PAYMENTMETHODCODE TYPE STRING,
BANKACCOUNTCURRENCYCODE TYPE STRING,
BANKACCOUNTHOLDERNAME TYPE STRING,
BANKCONTROLKEYCODE TYPE STRING,
SKILLTAGS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WFD_S_IMPORT_WORKER_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_WFD_S_IMPORT_WORKER_STR-ID sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-SYSTEMOFRECORDWORKASSIGNMENTID sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-ROLE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-SUPPLIEREXTERNALID sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-FIRSTNAME sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-LASTNAME sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-FORMATTEDNAME sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-GENDER sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-ADDRESS sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-PHONENUMBER sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-WORKMOBILE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-NATIVEPREFERREDLANGUAGECODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKCOUNTRYCODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKROUTINGID sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BUSINESSIDENTIFIERCODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKACCOUNT sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-IBAN sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-PAYMENTMETHODCODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKACCOUNTCURRENCYCODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKACCOUNTHOLDERNAME sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-BANKCONTROLKEYCODE sy-vline 
WA_WFD_S_IMPORT_WORKER_STR-SKILLTAGS sy-vline      INTO ld_text SEPARATED BY SPACE.

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