ABAP Select data from SAP table /SAPCE/FK_SLOZNA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/FK_SLOZNA
*  INTO TABLE @DATA(IT_/SAPCE/FK_SLOZNA2).
*--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_/SAPCE/FK_SLOZNA INDEX 1 INTO DATA(WA_/SAPCE/FK_SLOZNA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/FK_SLOZNA>-MANDT = 1.
</SAPCE/FK_SLOZNA>-NRZAWE = 1.
</SAPCE/FK_SLOZNA>-ZBUKR = 1.
</SAPCE/FK_SLOZNA>-LAUFI = 1.
</SAPCE/FK_SLOZNA>-HKTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/FK_SLOZNA-HBKID, sy-vline,
  WA_/SAPCE/FK_SLOZNA-UBKNT, sy-vline,
  WA_/SAPCE/FK_SLOZNA-UBNKS, sy-vline,
  WA_/SAPCE/FK_SLOZNA-UBNKL, sy-vline,
  WA_/SAPCE/FK_SLOZNA-UBHKT, sy-vline,
  WA_/SAPCE/FK_SLOZNA-UBNKY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/FK_SLOZNA 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_/SAPCE/FK_SLOZNA 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_/SAPCE/FK_SLOZNA INTO WA_/SAPCE/FK_SLOZNA.


*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 UBHKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FK_SLOZNA-UBHKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FK_SLOZNA-UBHKT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field ZSPRA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FK_SLOZNA-ZSPRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FK_SLOZNA-ZSPRA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FK_SLOZNA-VBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FK_SLOZNA-VBLNR.
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_/SAPCE/FK_SLOZNA_STR, 
MANDT TYPE STRING,
NRZAWE TYPE STRING,
ZBUKR TYPE STRING,
LAUFI TYPE STRING,
HKTID TYPE STRING,
HBKID TYPE STRING,
UBKNT TYPE STRING,
UBNKS TYPE STRING,
UBNKL TYPE STRING,
UBHKT TYPE STRING,
UBNKY TYPE STRING,
RZAWE TYPE STRING,
ZBNKS TYPE STRING,
ZBNKN TYPE STRING,
ZBNKL TYPE STRING,
ZBNKY TYPE STRING,
ZSWIF TYPE STRING,
SRTGB TYPE STRING,
LAND1 TYPE STRING,
ZLAND TYPE STRING,
SGTXT TYPE STRING,
ZSPRA TYPE STRING,
WAERS TYPE STRING,
POKEN TYPE STRING,
KOART TYPE STRING,
BSCHL TYPE STRING,
SHKZG TYPE STRING,
VBLNR TYPE STRING,
EMPFG TYPE STRING,
RPOST TYPE STRING,
ZIBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/FK_SLOZNA_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_/SAPCE/FK_SLOZNA_STR-MANDT sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-NRZAWE sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZBUKR sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-LAUFI sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-HKTID sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-HBKID sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-UBKNT sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-UBNKS sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-UBNKL sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-UBHKT sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-UBNKY sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-RZAWE sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZBNKS sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZBNKN sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZBNKL sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZBNKY sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZSWIF sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-SRTGB sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-LAND1 sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZLAND sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-SGTXT sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZSPRA sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-WAERS sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-POKEN sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-KOART sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-BSCHL sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-SHKZG sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-VBLNR sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-EMPFG sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-RPOST sy-vline 
WA_/SAPCE/FK_SLOZNA_STR-ZIBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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