ABAP Select data from SAP table WLF_D_FCADOC_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WLF_D_FCADOC_D 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_D_FCADOC_D. 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_D_FCADOC_D 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_D_FCADOC_D TYPE STANDARD TABLE OF WLF_D_FCADOC_D,
      WA_WLF_D_FCADOC_D TYPE WLF_D_FCADOC_D,
      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_D_FCADOC_D> TYPE WLF_D_FCADOC_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WLF_D_FCADOC_D
*  INTO TABLE @DATA(IT_WLF_D_FCADOC_D2).
*--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_D_FCADOC_D INDEX 1 INTO DATA(WA_WLF_D_FCADOC_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WLF_D_FCADOC_D>-MANDT = 1.
<WLF_D_FCADOC_D>-FREIGHTCOSTALLOCATIONDOCUMENT = 1.
<WLF_D_FCADOC_D>-DRAFTUUID = 1.
<WLF_D_FCADOC_D>-SETTLMTDOCTYPE = 1.
<WLF_D_FCADOC_D>-SETTLMTDOCCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WLF_D_FCADOC_D-SETTLMTPROCESSTYPE, sy-vline,
  WA_WLF_D_FCADOC_D-SETTLMTPROCESSCAT, sy-vline,
  WA_WLF_D_FCADOC_D-LOGISTICSDATAENTRYCAT, sy-vline,
  WA_WLF_D_FCADOC_D-SETTLMTCAT, sy-vline,
  WA_WLF_D_FCADOC_D-POSTINGDATE, sy-vline,
  WA_WLF_D_FCADOC_D-FRTCOSTALLOCACCTGTRANSFSTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WLF_D_FCADOC_D 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_D_FCADOC_D 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_D_FCADOC_D INTO WA_WLF_D_FCADOC_D.


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

*Conversion exit ALPHA, internal->external for field RVSDFRTCOSTALLOCDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WLF_D_FCADOC_D-RVSDFRTCOSTALLOCDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WLF_D_FCADOC_D-RVSDFRTCOSTALLOCDOC.
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_D_FCADOC_D_STR, 
MANDT TYPE STRING,
FREIGHTCOSTALLOCATIONDOCUMENT TYPE STRING,
DRAFTUUID TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
SETTLMTPROCESSTYPE TYPE STRING,
SETTLMTPROCESSCAT TYPE STRING,
LOGISTICSDATAENTRYCAT TYPE STRING,
SETTLMTCAT TYPE STRING,
POSTINGDATE TYPE STRING,
FRTCOSTALLOCACCTGTRANSFSTS TYPE STRING,
DOCUMENTDATE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ASSIGNMENTREFERENCE TYPE STRING,
SETTLMTAPPLSTS TYPE STRING,
SETTLMTAPPLSTSGRP TYPE STRING,
PRICINGPROCEDURE TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
FRTCOSTALLOCDOCCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
EXCHANGERATEISFIXED TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
FRTCOSTALLOCDOCTOTGROSSAMOUNT TYPE STRING,
FRTCOSTALLOCDOCTOTALNETAMOUNT TYPE STRING,
FRTCOSTALLOCDOCISREVERSED TYPE STRING,
RVSDFRTCOSTALLOCDOC TYPE STRING,
FRTCOSTALLOCDOCACTIVITYREASON TYPE STRING,
PAYMENTREFERENCE TYPE STRING,
SETTLMTCLASSIFICATIONCAT TYPE STRING,
FISCALPERIOD TYPE STRING,
FRTCOSTALLOCDOCINCMPLTNSRSN TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
FRTCOSTALLOCBUSPROCCAT TYPE STRING,
APPLELMNTBEHAVIORGRP TYPE STRING,
JOURNALENTRYCREATIONDATE TYPE STRING,
JOURNALENTRYCREATIONTIME TYPE STRING,
FRTCOSTALLOCDOCCHANGESTATE TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WLF_D_FCADOC_D_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_D_FCADOC_D_STR-MANDT sy-vline 
WA_WLF_D_FCADOC_D_STR-FREIGHTCOSTALLOCATIONDOCUMENT sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTUUID sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTDOCTYPE sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTDOCCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTPROCESSTYPE sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTPROCESSCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-LOGISTICSDATAENTRYCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-POSTINGDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCACCTGTRANSFSTS sy-vline 
WA_WLF_D_FCADOC_D_STR-DOCUMENTDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-DOCUMENTREFERENCEID sy-vline 
WA_WLF_D_FCADOC_D_STR-ASSIGNMENTREFERENCE sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTAPPLSTS sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTAPPLSTSGRP sy-vline 
WA_WLF_D_FCADOC_D_STR-PRICINGPROCEDURE sy-vline 
WA_WLF_D_FCADOC_D_STR-PRICINGDOCUMENT sy-vline 
WA_WLF_D_FCADOC_D_STR-COMPANYCODE sy-vline 
WA_WLF_D_FCADOC_D_STR-PURCHASINGORGANIZATION sy-vline 
WA_WLF_D_FCADOC_D_STR-PURCHASINGGROUP sy-vline 
WA_WLF_D_FCADOC_D_STR-SALESORGANIZATION sy-vline 
WA_WLF_D_FCADOC_D_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_WLF_D_FCADOC_D_STR-DIVISION sy-vline 
WA_WLF_D_FCADOC_D_STR-SALESOFFICE sy-vline 
WA_WLF_D_FCADOC_D_STR-SALESGROUP sy-vline 
WA_WLF_D_FCADOC_D_STR-CREATEDBYUSER sy-vline 
WA_WLF_D_FCADOC_D_STR-CREATIONDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-CREATIONTIME sy-vline 
WA_WLF_D_FCADOC_D_STR-LASTCHANGEDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCCURRENCY sy-vline 
WA_WLF_D_FCADOC_D_STR-EXCHANGERATE sy-vline 
WA_WLF_D_FCADOC_D_STR-EXCHANGERATETYPE sy-vline 
WA_WLF_D_FCADOC_D_STR-EXCHANGERATEISFIXED sy-vline 
WA_WLF_D_FCADOC_D_STR-EXCHANGERATEDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCTOTGROSSAMOUNT sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCTOTALNETAMOUNT sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCISREVERSED sy-vline 
WA_WLF_D_FCADOC_D_STR-RVSDFRTCOSTALLOCDOC sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCACTIVITYREASON sy-vline 
WA_WLF_D_FCADOC_D_STR-PAYMENTREFERENCE sy-vline 
WA_WLF_D_FCADOC_D_STR-SETTLMTCLASSIFICATIONCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-FISCALPERIOD sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCINCMPLTNSRSN sy-vline 
WA_WLF_D_FCADOC_D_STR-INCOTERMSVERSION sy-vline 
WA_WLF_D_FCADOC_D_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_WLF_D_FCADOC_D_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_WLF_D_FCADOC_D_STR-INCOTERMSLOCATION1 sy-vline 
WA_WLF_D_FCADOC_D_STR-INCOTERMSLOCATION2 sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCBUSPROCCAT sy-vline 
WA_WLF_D_FCADOC_D_STR-APPLELMNTBEHAVIORGRP sy-vline 
WA_WLF_D_FCADOC_D_STR-JOURNALENTRYCREATIONDATE sy-vline 
WA_WLF_D_FCADOC_D_STR-JOURNALENTRYCREATIONTIME sy-vline 
WA_WLF_D_FCADOC_D_STR-FRTCOSTALLOCDOCCHANGESTATE sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_WLF_D_FCADOC_D_STR-HASACTIVEENTITY sy-vline 
WA_WLF_D_FCADOC_D_STR-DRAFTFIELDCHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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