ABAP Select data from SAP table WLFPFCTSD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WLFPFCTSD
*  INTO TABLE @DATA(IT_WLFPFCTSD2).
*--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_WLFPFCTSD INDEX 1 INTO DATA(WA_WLFPFCTSD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WLFPFCTSD>-MANDT = 1.
<WLFPFCTSD>-FACTORINGDOCUMENT = 1.
<WLFPFCTSD>-FACTORINGDOCUMENTITEM = 1.
<WLFPFCTSD>-SETTLMTDOCTYPE = 1.
<WLFPFCTSD>-FACTORINGCOMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WLFPFCTSD-ARFACTORINGSTATUS, sy-vline,
  WA_WLFPFCTSD-ARFACTORINGSTATUSNAME, sy-vline,
  WA_WLFPFCTSD-ISACTIVEFORFACTORING, sy-vline,
  WA_WLFPFCTSD-ISINOFFERSTATUS, sy-vline,
  WA_WLFPFCTSD-ISPOSTEDTOFACTOR, sy-vline,
  WA_WLFPFCTSD-ISPOSTEDCOMPLETELY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WLFPFCTSD 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_WLFPFCTSD 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_WLFPFCTSD INTO WA_WLFPFCTSD.


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

*Conversion exit ALPHA, internal->external for field FACTORINGCONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WLFPFCTSD-FACTORINGCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WLFPFCTSD-FACTORINGCONTRACT.
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_WLFPFCTSD_STR, 
MANDT TYPE STRING,
FACTORINGDOCUMENT TYPE STRING,
FACTORINGDOCUMENTITEM TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
FACTORINGCOMPANYCODE TYPE STRING,
ARFACTORINGSTATUS TYPE STRING,
ARFACTORINGSTATUSNAME TYPE STRING,
ISACTIVEFORFACTORING TYPE STRING,
ISINOFFERSTATUS TYPE STRING,
ISPOSTEDTOFACTOR TYPE STRING,
ISPOSTEDCOMPLETELY TYPE STRING,
FACTORINGCONTRACT TYPE STRING,
FACTORINGCONTRACTTYPE TYPE STRING,
FACTORINGAMOUNT TYPE STRING,
FACTORINGCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WLFPFCTSD_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_WLFPFCTSD_STR-MANDT sy-vline 
WA_WLFPFCTSD_STR-FACTORINGDOCUMENT sy-vline 
WA_WLFPFCTSD_STR-FACTORINGDOCUMENTITEM sy-vline 
WA_WLFPFCTSD_STR-SETTLMTDOCTYPE sy-vline 
WA_WLFPFCTSD_STR-FACTORINGCOMPANYCODE sy-vline 
WA_WLFPFCTSD_STR-ARFACTORINGSTATUS sy-vline 
WA_WLFPFCTSD_STR-ARFACTORINGSTATUSNAME sy-vline 
WA_WLFPFCTSD_STR-ISACTIVEFORFACTORING sy-vline 
WA_WLFPFCTSD_STR-ISINOFFERSTATUS sy-vline 
WA_WLFPFCTSD_STR-ISPOSTEDTOFACTOR sy-vline 
WA_WLFPFCTSD_STR-ISPOSTEDCOMPLETELY sy-vline 
WA_WLFPFCTSD_STR-FACTORINGCONTRACT sy-vline 
WA_WLFPFCTSD_STR-FACTORINGCONTRACTTYPE sy-vline 
WA_WLFPFCTSD_STR-FACTORINGAMOUNT sy-vline 
WA_WLFPFCTSD_STR-FACTORINGCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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