ABAP Select data from SAP table /J7L/ITEM_FEE_LINE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /J7L/ITEM_FEE_LINE 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 /J7L/ITEM_FEE_LINE. 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 /J7L/ITEM_FEE_LINE 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_/J7L/ITEM_FEE_LINE TYPE STANDARD TABLE OF /J7L/ITEM_FEE_LINE,
      WA_/J7L/ITEM_FEE_LINE TYPE /J7L/ITEM_FEE_LINE,
      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: </J7L/ITEM_FEE_LINE> TYPE /J7L/ITEM_FEE_LINE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/J7L/ITEM_FEE_LINE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /J7L/ITEM_FEE_LINE
  INTO TABLE IT_/J7L/ITEM_FEE_LINE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /J7L/ITEM_FEE_LINE
*  INTO TABLE @DATA(IT_/J7L/ITEM_FEE_LINE2).
*--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_/J7L/ITEM_FEE_LINE INDEX 1 INTO DATA(WA_/J7L/ITEM_FEE_LINE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/J7L/ITEM_FEE_LINE ASSIGNING </J7L/ITEM_FEE_LINE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</J7L/ITEM_FEE_LINE>-DATAB = 1.
</J7L/ITEM_FEE_LINE>-DATBI = 1.
</J7L/ITEM_FEE_LINE>-SOKOA = 1.
</J7L/ITEM_FEE_LINE>-VRKME = 1.
</J7L/ITEM_FEE_LINE>-VRPNR = 1.

ENDLOOP.

LOOP AT IT_/J7L/ITEM_FEE_LINE INTO WA_/J7L/ITEM_FEE_LINE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/J7L/ITEM_FEE_LINE-VARIANTE, sy-vline,
  WA_/J7L/ITEM_FEE_LINE-VPTYP, sy-vline,
  WA_/J7L/ITEM_FEE_LINE-STFVRSIO, sy-vline,
  WA_/J7L/ITEM_FEE_LINE-ENTVRSIO, sy-vline,
  WA_/J7L/ITEM_FEE_LINE-ZSPLITV, sy-vline,
  WA_/J7L/ITEM_FEE_LINE-VFLKL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/J7L/ITEM_FEE_LINE 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_/J7L/ITEM_FEE_LINE 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_/J7L/ITEM_FEE_LINE INTO WA_/J7L/ITEM_FEE_LINE.


*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 CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/J7L/ITEM_FEE_LINE-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/J7L/ITEM_FEE_LINE-VRKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field VRPNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/J7L/ITEM_FEE_LINE-VRPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/J7L/ITEM_FEE_LINE-VRPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/J7L/ITEM_FEE_LINE-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/J7L/ITEM_FEE_LINE-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/J7L/ITEM_FEE_LINE-BASME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/J7L/ITEM_FEE_LINE-BASME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/J7L/ITEM_FEE_LINE-OMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/J7L/ITEM_FEE_LINE-OMEIN.
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_/J7L/ITEM_FEE_LINE_STR, 
DATAB TYPE STRING,
DATBI TYPE STRING,
SOKOA TYPE STRING,
VRKME TYPE STRING,
VRPNR TYPE STRING,
VARIANTE TYPE STRING,
VPTYP TYPE STRING,
STFVRSIO TYPE STRING,
ENTVRSIO TYPE STRING,
ZSPLITV TYPE STRING,
VFLKL TYPE STRING,
INFOK TYPE STRING,
FUELLG TYPE STRING,
HDLST TYPE STRING,
HDLSTN TYPE STRING,
VPEBENE TYPE STRING,
MEINS TYPE STRING,
FMENG TYPE STRING,
FMENGR TYPE STRING,
MENGE TYPE STRING,
BASME TYPE STRING,
OMENG TYPE STRING,
OMEIN TYPE STRING,
STKENTGE TYPE STRING,
STKENTGR TYPE STRING,
STKENTGA TYPE STRING,
STKENTGEOA TYPE STRING,
STKENTGROA TYPE STRING,
STKENTGAOA TYPE STRING,
STKENTGEF TYPE STRING,
STKENTGRF TYPE STRING,
STKENTGAF TYPE STRING,
FORMEL TYPE STRING,
FAKTOR TYPE STRING,
WAERE TYPE STRING,
WAERS TYPE STRING,
WAERA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/J7L/ITEM_FEE_LINE_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_/J7L/ITEM_FEE_LINE_STR-DATAB sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-DATBI sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-SOKOA sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VRKME sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VRPNR sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VARIANTE sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VPTYP sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STFVRSIO sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-ENTVRSIO sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-ZSPLITV sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VFLKL sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-INFOK sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-FUELLG sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-HDLST sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-HDLSTN sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-VPEBENE sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-MEINS sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-FMENG sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-FMENGR sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-MENGE sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-BASME sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-OMENG sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-OMEIN sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGE sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGR sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGA sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGEOA sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGROA sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGAOA sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGEF sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGRF sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-STKENTGAF sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-FORMEL sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-FAKTOR sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-WAERE sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-WAERS sy-vline 
WA_/J7L/ITEM_FEE_LINE_STR-WAERA sy-vline      INTO ld_text SEPARATED BY SPACE.

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