ABAP Select data from SAP table FCOM_EXP_COSTELEMENT_WD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOM_EXP_COSTELEMENT_WD
*  INTO TABLE @DATA(IT_FCOM_EXP_COSTELEMENT_WD2).
*--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_FCOM_EXP_COSTELEMENT_WD INDEX 1 INTO DATA(WA_FCOM_EXP_COSTELEMENT_WD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOM_EXP_COSTELEMENT_WD>-OBJECT = 1.
<FCOM_EXP_COSTELEMENT_WD>-KOSTL = 1.
<FCOM_EXP_COSTELEMENT_WD>-KOSTL_ALPHA = 1.
<FCOM_EXP_COSTELEMENT_WD>-KOSTLTEXT = 1.
<FCOM_EXP_COSTELEMENT_WD>-KOSTL_DISP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOM_EXP_COSTELEMENT_WD-COSTELEMENT, sy-vline,
  WA_FCOM_EXP_COSTELEMENT_WD-COSTELEMENTTEXT, sy-vline,
  WA_FCOM_EXP_COSTELEMENT_WD-KOSTLORDER_ALPHA, sy-vline,
  WA_FCOM_EXP_COSTELEMENT_WD-KOSTLORDERTEXT, sy-vline,
  WA_FCOM_EXP_COSTELEMENT_WD-KOSTLORDER_DISP, sy-vline,
  WA_FCOM_EXP_COSTELEMENT_WD-GJAHR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOM_EXP_COSTELEMENT_WD 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_FCOM_EXP_COSTELEMENT_WD 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_FCOM_EXP_COSTELEMENT_WD INTO WA_FCOM_EXP_COSTELEMENT_WD.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_EXP_COSTELEMENT_WD-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_EXP_COSTELEMENT_WD-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_EXP_COSTELEMENT_WD-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_EXP_COSTELEMENT_WD-VERSN.
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_FCOM_EXP_COSTELEMENT_WD_STR, 
OBJECT TYPE STRING,
KOSTL TYPE STRING,
KOSTL_ALPHA TYPE STRING,
KOSTLTEXT TYPE STRING,
KOSTL_DISP TYPE STRING,
COSTELEMENT TYPE STRING,
COSTELEMENTTEXT TYPE STRING,
KOSTLORDER_ALPHA TYPE STRING,
KOSTLORDERTEXT TYPE STRING,
KOSTLORDER_DISP TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
VERSN TYPE STRING,
WAERS TYPE STRING,
DECAN TYPE STRING,
ANDEC TYPE STRING,
PER01_REF1 TYPE STRING,
PER01_REF2 TYPE STRING,
PER01_INP TYPE STRING,
PER02_REF1 TYPE STRING,
PER02_REF2 TYPE STRING,
PER02_INP TYPE STRING,
PER03_REF1 TYPE STRING,
PER03_REF2 TYPE STRING,
PER03_INP TYPE STRING,
PER04_REF1 TYPE STRING,
PER04_REF2 TYPE STRING,
PER04_INP TYPE STRING,
PER05_REF1 TYPE STRING,
PER05_REF2 TYPE STRING,
PER05_INP TYPE STRING,
PER06_REF1 TYPE STRING,
PER06_REF2 TYPE STRING,
PER06_INP TYPE STRING,
PER07_REF1 TYPE STRING,
PER07_REF2 TYPE STRING,
PER07_INP TYPE STRING,
PER08_REF1 TYPE STRING,
PER08_REF2 TYPE STRING,
PER08_INP TYPE STRING,
PER09_REF1 TYPE STRING,
PER09_REF2 TYPE STRING,
PER09_INP TYPE STRING,
PER10_REF1 TYPE STRING,
PER10_REF2 TYPE STRING,
PER10_INP TYPE STRING,
PER11_REF1 TYPE STRING,
PER11_REF2 TYPE STRING,
PER11_INP TYPE STRING,
PER12_REF1 TYPE STRING,
PER12_REF2 TYPE STRING,
PER12_INP TYPE STRING,
QUAR1_REF1 TYPE STRING,
QUAR1_REF2 TYPE STRING,
QUAR1_INP TYPE STRING,
QUAR2_REF1 TYPE STRING,
QUAR2_REF2 TYPE STRING,
QUAR2_INP TYPE STRING,
QUAR3_REF1 TYPE STRING,
QUAR3_REF2 TYPE STRING,
QUAR3_INP TYPE STRING,
QUAR4_REF1 TYPE STRING,
QUAR4_REF2 TYPE STRING,
QUAR4_INP TYPE STRING,
YEAR_REF1 TYPE STRING,
YEAR_REF2 TYPE STRING,
YEAR_INP TYPE STRING,
COMMENT_ICON TYPE STRING,
COMMENT_ICON_TTP TYPE STRING,
PERIOD_CHANGED TYPE STRING,
BOOLE TYPE STRING,
FRONTEND_ADD TYPE STRING,
BOOLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOM_EXP_COSTELEMENT_WD_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_FCOM_EXP_COSTELEMENT_WD_STR-OBJECT sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTL sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTL_ALPHA sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTLTEXT sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTL_DISP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-COSTELEMENT sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-COSTELEMENTTEXT sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTLORDER_ALPHA sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTLORDERTEXT sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-KOSTLORDER_DISP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-GJAHR sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-WRTTP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-VERSN sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-WAERS sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-DECAN sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-ANDEC sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER01_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER01_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER01_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER02_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER02_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER02_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER03_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER03_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER03_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER04_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER04_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER04_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER05_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER05_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER05_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER06_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER06_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER06_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER07_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER07_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER07_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER08_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER08_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER08_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER09_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER09_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER09_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER10_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER10_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER10_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER11_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER11_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER11_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER12_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER12_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PER12_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR1_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR1_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR1_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR2_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR2_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR2_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR3_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR3_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR3_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR4_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR4_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-QUAR4_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-YEAR_REF1 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-YEAR_REF2 sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-YEAR_INP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-COMMENT_ICON sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-COMMENT_ICON_TTP sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-PERIOD_CHANGED sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-BOOLE sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-FRONTEND_ADD sy-vline 
WA_FCOM_EXP_COSTELEMENT_WD_STR-BOOLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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