ABAP Select data from SAP table FCOMS_ACTTYPE_REF_CC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOMS_ACTTYPE_REF_CC
*  INTO TABLE @DATA(IT_FCOMS_ACTTYPE_REF_CC2).
*--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_FCOMS_ACTTYPE_REF_CC INDEX 1 INTO DATA(WA_FCOMS_ACTTYPE_REF_CC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOMS_ACTTYPE_REF_CC>-KOKRS = 1.
<FCOMS_ACTTYPE_REF_CC>-KOSTL = 1.
<FCOMS_ACTTYPE_REF_CC>-LSTAR = 1.
<FCOMS_ACTTYPE_REF_CC>-DATBI = 1.
<FCOMS_ACTTYPE_REF_CC>-DATAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOMS_ACTTYPE_REF_CC-LTEXT, sy-vline,
  WA_FCOMS_ACTTYPE_REF_CC-MANDT, sy-vline,
  WA_FCOMS_ACTTYPE_REF_CC-LEDNR, sy-vline,
  WA_FCOMS_ACTTYPE_REF_CC-OBJNR, sy-vline,
  WA_FCOMS_ACTTYPE_REF_CC-GJAHR, sy-vline,
  WA_FCOMS_ACTTYPE_REF_CC-VERSN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOMS_ACTTYPE_REF_CC 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_FCOMS_ACTTYPE_REF_CC 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_FCOMS_ACTTYPE_REF_CC INTO WA_FCOMS_ACTTYPE_REF_CC.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SWSMH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOMS_ACTTYPE_REF_CC-SWSMH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOMS_ACTTYPE_REF_CC-SWSMH.
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_FCOMS_ACTTYPE_REF_CC_STR, 
KOKRS TYPE STRING,
KOSTL TYPE STRING,
LSTAR TYPE STRING,
DATBI TYPE STRING,
DATAB TYPE STRING,
LTEXT TYPE STRING,
MANDT TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
VERSN TYPE STRING,
TARKZ TYPE STRING,
VKSTA TYPE STRING,
AUFKZ TYPE STRING,
AEQUI TYPE STRING,
WSLST TYPE STRING,
WSKAP TYPE STRING,
WSAUS TYPE STRING,
WSTKG TYPE STRING,
WSTKF TYPE STRING,
FMLST TYPE STRING,
FMKAP TYPE STRING,
FMAUS TYPE STRING,
FMTKG TYPE STRING,
FMTKF TYPE STRING,
FCLST TYPE STRING,
FCKAP TYPE STRING,
FCAUS TYPE STRING,
FCAEQ TYPE STRING,
FCTKF TYPE STRING,
FCTKV TYPE STRING,
FCTKG TYPE STRING,
FCTOF TYPE STRING,
FCTOV TYPE STRING,
FCTOG TYPE STRING,
FCTXF TYPE STRING,
FCTXV TYPE STRING,
FCTXG TYPE STRING,
KKART TYPE STRING,
KALNR TYPE STRING,
TXFLG TYPE STRING,
KVEWE TYPE STRING,
KAPPL TYPE STRING,
KALSM TYPE STRING,
PFSCHL TYPE STRING,
ABWCHKZ TYPE STRING,
LLSTAR TYPE STRING,
KLSTAR TYPE STRING,
RZLSTAR TYPE STRING,
RZLST TYPE STRING,
RZKAP TYPE STRING,
RZAUS TYPE STRING,
RZFKT TYPE STRING,
RZPRZ TYPE STRING,
YRATE TYPE STRING,
FIXVO TYPE STRING,
TARKZ_I TYPE STRING,
LATYP TYPE STRING,
LATYPI TYPE STRING,
SWSMH TYPE STRING,
CI_KLVAR TYPE STRING,
CI_KALNR TYPE STRING,
MANIST TYPE STRING,
MANPLAN TYPE STRING,
VKSTA_TEXT TYPE STRING,
TARKZ_TEXT TYPE STRING,
TARKZ_I_TEXT TYPE STRING,
LATYP_TEXT TYPE STRING,
LATYPI_TEXT TYPE STRING,
SWSMH_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOMS_ACTTYPE_REF_CC_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_FCOMS_ACTTYPE_REF_CC_STR-KOKRS sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KOSTL sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LSTAR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-DATBI sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-DATAB sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LTEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-MANDT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LEDNR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-OBJNR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-GJAHR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-VERSN sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-TARKZ sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-VKSTA sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-AUFKZ sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-AEQUI sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-WSLST sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-WSKAP sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-WSAUS sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-WSTKG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-WSTKF sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FMLST sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FMKAP sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FMAUS sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FMTKG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FMTKF sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCLST sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCKAP sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCAUS sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCAEQ sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTKF sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTKV sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTKG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTOF sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTOV sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTOG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTXF sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTXV sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FCTXG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KKART sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KALNR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-TXFLG sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KVEWE sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KAPPL sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KALSM sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-PFSCHL sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-ABWCHKZ sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LLSTAR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-KLSTAR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZLSTAR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZLST sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZKAP sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZAUS sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZFKT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-RZPRZ sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-YRATE sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-FIXVO sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-TARKZ_I sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LATYP sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LATYPI sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-SWSMH sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-CI_KLVAR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-CI_KALNR sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-MANIST sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-MANPLAN sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-VKSTA_TEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-TARKZ_TEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-TARKZ_I_TEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LATYP_TEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-LATYPI_TEXT sy-vline 
WA_FCOMS_ACTTYPE_REF_CC_STR-SWSMH_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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