ABAP Select data from SAP table FAC_S_COSTELEMENTLISTITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAC_S_COSTELEMENTLISTITEM
*  INTO TABLE @DATA(IT_FAC_S_COSTELEMENTLISTITEM2).
*--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_FAC_S_COSTELEMENTLISTITEM INDEX 1 INTO DATA(WA_FAC_S_COSTELEMENTLISTITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAC_S_COSTELEMENTLISTITEM>-MANDT = 1.
<FAC_S_COSTELEMENTLISTITEM>-CHARTOFACCOUNTS = 1.
<FAC_S_COSTELEMENTLISTITEM>-GLACCOUNT = 1.
<FAC_S_COSTELEMENTLISTITEM>-CONTROLLINGAREA = 1.
<FAC_S_COSTELEMENTLISTITEM>-GLACCTORIGINALRECORDISUSED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAC_S_COSTELEMENTLISTITEM-GLACCOUNTEXTERNAL, sy-vline,
  WA_FAC_S_COSTELEMENTLISTITEM-COSTELEMENTCATEGORY, sy-vline,
  WA_FAC_S_COSTELEMENTLISTITEM-GLACCOUNTTYPE, sy-vline,
  WA_FAC_S_COSTELEMENTLISTITEM-CONSUMPTIONQTYISRECORDED, sy-vline,
  WA_FAC_S_COSTELEMENTLISTITEM-UNITOFMEASURE, sy-vline,
  WA_FAC_S_COSTELEMENTLISTITEM-VALIDITYSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAC_S_COSTELEMENTLISTITEM 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_FAC_S_COSTELEMENTLISTITEM 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_FAC_S_COSTELEMENTLISTITEM INTO WA_FAC_S_COSTELEMENTLISTITEM.


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

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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FAC_S_COSTELEMENTLISTITEM-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAC_S_COSTELEMENTLISTITEM-UNITOFMEASURE.
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_FAC_S_COSTELEMENTLISTITEM_STR, 
MANDT TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
GLACCTORIGINALRECORDISUSED TYPE STRING,
GLACCOUNTEXTERNAL TYPE STRING,
COSTELEMENTCATEGORY TYPE STRING,
GLACCOUNTTYPE TYPE STRING,
CONSUMPTIONQTYISRECORDED TYPE STRING,
UNITOFMEASURE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
ACCTASSIGNMENTISSTATISTICAL TYPE STRING,
GLACCOUNTISNOTPRODNRELEVANT TYPE STRING,
CONTROLLINGAREANAME TYPE STRING,
DRAFTISPROCESSEDBYME TYPE STRING,
INPROCESSBYUSER TYPE STRING,
INPROCESSBYUSERDESCRIPTION TYPE STRING,
HASDRAFTENTITY TYPE STRING,
COSTELEMENTCATEGORYNAME TYPE STRING,
UNITOFMEASURENAME TYPE STRING,
UNITOFMEASURELONGNAME TYPE STRING,
GLACCOUNTNAME TYPE STRING,
GLACCOUNTTYPENAME TYPE STRING,
LANGUAGE TYPE STRING,
ACTIVEDOCUMENTETAG TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ETAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAC_S_COSTELEMENTLISTITEM_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_FAC_S_COSTELEMENTLISTITEM_STR-MANDT sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CHARTOFACCOUNTS sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNT sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CONTROLLINGAREA sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCTORIGINALRECORDISUSED sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNTEXTERNAL sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-COSTELEMENTCATEGORY sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNTTYPE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CONSUMPTIONQTYISRECORDED sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-UNITOFMEASURE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-VALIDITYSTARTDATE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-VALIDITYENDDATE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CREATIONDATE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CREATEDBYUSER sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-FUNCTIONALAREA sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-ACCTASSIGNMENTISSTATISTICAL sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNTISNOTPRODNRELEVANT sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-CONTROLLINGAREANAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-DRAFTISPROCESSEDBYME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-INPROCESSBYUSER sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-INPROCESSBYUSERDESCRIPTION sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-HASDRAFTENTITY sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-COSTELEMENTCATEGORYNAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-UNITOFMEASURENAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-UNITOFMEASURELONGNAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNTNAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-GLACCOUNTTYPENAME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-LANGUAGE sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-ACTIVEDOCUMENTETAG sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-LASTCHANGEDATETIME sy-vline 
WA_FAC_S_COSTELEMENTLISTITEM_STR-ETAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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