ABAP Select data from SAP table WLF_S_FDP_SSDOCL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WLF_S_FDP_SSDOCL
*  INTO TABLE @DATA(IT_WLF_S_FDP_SSDOCL2).
*--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_WLF_S_FDP_SSDOCL INDEX 1 INTO DATA(WA_WLF_S_FDP_SSDOCL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WLF_S_FDP_SSDOCL>-SUPLRSETTLMTLIST = 1.
<WLF_S_FDP_SSDOCL>-SETTLMTDOCTYPE = 1.
<WLF_S_FDP_SSDOCL>-SETTLMTDOCTYPEDESC = 1.
<WLF_S_FDP_SSDOCL>-SETTLMTDOCCAT = 1.
<WLF_S_FDP_SSDOCL>-SETTLMTDOCCATNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WLF_S_FDP_SSDOCL-SETTLMTPROCESSTYPE, sy-vline,
  WA_WLF_S_FDP_SSDOCL-SETTLMTPROCESSTYPEDESC, sy-vline,
  WA_WLF_S_FDP_SSDOCL-INVOICINGPARTY, sy-vline,
  WA_WLF_S_FDP_SSDOCL-PAYEEPARTY, sy-vline,
  WA_WLF_S_FDP_SSDOCL-DOCUMENTDATE, sy-vline,
  WA_WLF_S_FDP_SSDOCL-DOCUMENTREFERENCEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WLF_S_FDP_SSDOCL 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_WLF_S_FDP_SSDOCL 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_WLF_S_FDP_SSDOCL INTO WA_WLF_S_FDP_SSDOCL.


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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPLRSETTLMTACCTGDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WLF_S_FDP_SSDOCL-SUPLRSETTLMTACCTGDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WLF_S_FDP_SSDOCL-SUPLRSETTLMTACCTGDOC.
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_WLF_S_FDP_SSDOCL_STR, 
SUPLRSETTLMTLIST TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
SETTLMTDOCTYPEDESC TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
SETTLMTDOCCATNAME TYPE STRING,
SETTLMTPROCESSTYPE TYPE STRING,
SETTLMTPROCESSTYPEDESC TYPE STRING,
INVOICINGPARTY TYPE STRING,
PAYEEPARTY TYPE STRING,
DOCUMENTDATE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
SUPLRSETTLMTLISTCURRENCY TYPE STRING,
SUPPLIERTOTALGROSSAMOUNT TYPE STRING,
SUPPLIERTOTALNETAMOUNT TYPE STRING,
SUPLRTOTELIGIBLEAMTFORCSHDISC TYPE STRING,
CANCLDSUPLRSETTLMTLIST TYPE STRING,
SUPPLIERTOTALTAXAMOUNT TYPE STRING,
SUPPLYINGCOUNTRY TYPE STRING,
PAYMENTREFERENCE TYPE STRING,
SETTLMTMGMTDOCINCMPLTNSRSN TYPE STRING,
SETTLMTDATE TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
POSTINGDATE TYPE STRING,
SETTLMTBUSPROCCAT TYPE STRING,
SETTLMTBUSPROCCATNAME TYPE STRING,
IS_ORIGINAL_OUTPUT TYPE STRING,
DUMMY_WBRK_INCL_EEW_PS TYPE STRING,
DUMMY_WBRK_INCL_EEW_TR TYPE STRING,
SUPLRSETTLMTACCTGDOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WLF_S_FDP_SSDOCL_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_WLF_S_FDP_SSDOCL_STR-SUPLRSETTLMTLIST sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTDOCTYPE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTDOCTYPEDESC sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTDOCCAT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTDOCCATNAME sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTPROCESSTYPE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTPROCESSTYPEDESC sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-INVOICINGPARTY sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-PAYEEPARTY sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-DOCUMENTDATE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-DOCUMENTREFERENCEID sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPLRSETTLMTLISTCURRENCY sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPPLIERTOTALGROSSAMOUNT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPPLIERTOTALNETAMOUNT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPLRTOTELIGIBLEAMTFORCSHDISC sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-CANCLDSUPLRSETTLMTLIST sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPPLIERTOTALTAXAMOUNT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPPLYINGCOUNTRY sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-PAYMENTREFERENCE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTMGMTDOCINCMPLTNSRSN sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTDATE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-INCOTERMSLOCATION1 sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-INCOTERMSLOCATION2 sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-POSTINGDATE sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTBUSPROCCAT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SETTLMTBUSPROCCATNAME sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-IS_ORIGINAL_OUTPUT sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-DUMMY_WBRK_INCL_EEW_PS sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-DUMMY_WBRK_INCL_EEW_TR sy-vline 
WA_WLF_S_FDP_SSDOCL_STR-SUPLRSETTLMTACCTGDOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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