ABAP Select data from SAP table FCS_SAPLKOBS_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCS_SAPLKOBS_LIST
*  INTO TABLE @DATA(IT_FCS_SAPLKOBS_LIST2).
*--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_FCS_SAPLKOBS_LIST INDEX 1 INTO DATA(WA_FCS_SAPLKOBS_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCS_SAPLKOBS_LIST>-LFDNR = 1.
<FCS_SAPLKOBS_LIST>-RECEIVER = 1.
<FCS_SAPLKOBS_LIST>-KONTY = 1.
<FCS_SAPLKOBS_LIST>-ANLN1 = 1.
<FCS_SAPLKOBS_LIST>-ANLN2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCS_SAPLKOBS_LIST-PS_PSP_PNR, sy-vline,
  WA_FCS_SAPLKOBS_LIST-MATNR, sy-vline,
  WA_FCS_SAPLKOBS_LIST-HKONT, sy-vline,
  WA_FCS_SAPLKOBS_LIST-GSBER, sy-vline,
  WA_FCS_SAPLKOBS_LIST-PAOBJNR, sy-vline,
  WA_FCS_SAPLKOBS_LIST-NPLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCS_SAPLKOBS_LIST 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_FCS_SAPLKOBS_LIST 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_FCS_SAPLKOBS_LIST INTO WA_FCS_SAPLKOBS_LIST.


*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 OBART, internal->external for field KONTY
CALL FUNCTION 'CONVERSION_EXIT_OBART_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-KONTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-KONTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-VORNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field LETJA
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCS_SAPLKOBS_LIST-LETJA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCS_SAPLKOBS_LIST-LETJA.
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_FCS_SAPLKOBS_LIST_STR, 
LFDNR TYPE STRING,
RECEIVER TYPE STRING,
KONTY TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
PS_PSP_PNR TYPE STRING,
MATNR TYPE STRING,
HKONT TYPE STRING,
GSBER TYPE STRING,
PAOBJNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
KSTRG TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
EMPGE TYPE STRING,
KOSTL TYPE STRING,
BEZUGSWERT TYPE STRING,
PERBZ TYPE STRING,
URZUO TYPE STRING,
GABPE TYPE STRING,
GABJA TYPE STRING,
GBISP TYPE STRING,
GBISJ TYPE STRING,
ERSPE TYPE STRING,
ERSJA TYPE STRING,
LETPE TYPE STRING,
LETJA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCS_SAPLKOBS_LIST_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_FCS_SAPLKOBS_LIST_STR-LFDNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-RECEIVER sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-KONTY sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-ANLN1 sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-ANLN2 sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-PS_PSP_PNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-MATNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-HKONT sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-GSBER sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-PAOBJNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-NPLNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-VORNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-KDAUF sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-KDPOS sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-KSTRG sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-AUFNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-POSNR sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-EMPGE sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-KOSTL sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-BEZUGSWERT sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-PERBZ sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-URZUO sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-GABPE sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-GABJA sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-GBISP sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-GBISJ sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-ERSPE sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-ERSJA sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-LETPE sy-vline 
WA_FCS_SAPLKOBS_LIST_STR-LETJA sy-vline      INTO ld_text SEPARATED BY SPACE.

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