ABAP Select data from SAP table RCGCCUNTCARRIOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCGCCUNTCARRIOT
*  INTO TABLE @DATA(IT_RCGCCUNTCARRIOT2).
*--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_RCGCCUNTCARRIOT INDEX 1 INTO DATA(WA_RCGCCUNTCARRIOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCGCCUNTCARRIOT>-MARKFLG = 1.
<RCGCCUNTCARRIOT>-SELEFLG = 1.
<RCGCCUNTCARRIOT>-LINENO = 1.
<RCGCCUNTCARRIOT>-LINEMOD = 1.
<RCGCCUNTCARRIOT>-CHCOFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCGCCUNTCARRIOT-LOCKMOD, sy-vline,
  WA_RCGCCUNTCARRIOT-INTRFLG, sy-vline,
  WA_RCGCCUNTCARRIOT-MANDT, sy-vline,
  WA_RCGCCUNTCARRIOT-RECN, sy-vline,
  WA_RCGCCUNTCARRIOT-ACTN, sy-vline,
  WA_RCGCCUNTCARRIOT-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCGCCUNTCARRIOT 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_RCGCCUNTCARRIOT 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_RCGCCUNTCARRIOT INTO WA_RCGCCUNTCARRIOT.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RECNMST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCGCCUNTCARRIOT-RECNMST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCGCCUNTCARRIOT-RECNMST.
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_RCGCCUNTCARRIOT_STR, 
MARKFLG TYPE STRING,
SELEFLG TYPE STRING,
LINENO TYPE STRING,
LINEMOD TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
INTRFLG TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNMST TYPE STRING,
DPOT TYPE STRING,
SPPROV_PHRKEY TYPE STRING,
SP_PRINT_PHRKEY TYPE STRING,
MIX_PACK_PHRKEY TYPE STRING,
SEGREGAT_PHRKEY TYPE STRING,
PACKAGES_PHRKEY TYPE STRING,
BULK_PHRKEY TYPE STRING,
HANDLING_PHRKEY TYPE STRING,
OPERATION_PHRKEY TYPE STRING,
VEHICLE_PHRKEY TYPE STRING,
LWDG TYPE STRING,
DGCL TYPE STRING,
DPOTD TYPE STRING,
LDBC TYPE STRING,
LDBCD TYPE STRING,
PGRO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCGCCUNTCARRIOT_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_RCGCCUNTCARRIOT_STR-MARKFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-SELEFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-LINENO sy-vline 
WA_RCGCCUNTCARRIOT_STR-LINEMOD sy-vline 
WA_RCGCCUNTCARRIOT_STR-CHCOFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-LOCKMOD sy-vline 
WA_RCGCCUNTCARRIOT_STR-INTRFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-MANDT sy-vline 
WA_RCGCCUNTCARRIOT_STR-RECN sy-vline 
WA_RCGCCUNTCARRIOT_STR-ACTN sy-vline 
WA_RCGCCUNTCARRIOT_STR-VALFR sy-vline 
WA_RCGCCUNTCARRIOT_STR-VALTO sy-vline 
WA_RCGCCUNTCARRIOT_STR-AENNR sy-vline 
WA_RCGCCUNTCARRIOT_STR-DELFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-PARKFLG sy-vline 
WA_RCGCCUNTCARRIOT_STR-CRDAT sy-vline 
WA_RCGCCUNTCARRIOT_STR-CRNAM sy-vline 
WA_RCGCCUNTCARRIOT_STR-UPDDAT sy-vline 
WA_RCGCCUNTCARRIOT_STR-UPDNAM sy-vline 
WA_RCGCCUNTCARRIOT_STR-SRSID sy-vline 
WA_RCGCCUNTCARRIOT_STR-OWNID sy-vline 
WA_RCGCCUNTCARRIOT_STR-RECNROOT sy-vline 
WA_RCGCCUNTCARRIOT_STR-RECNMST sy-vline 
WA_RCGCCUNTCARRIOT_STR-DPOT sy-vline 
WA_RCGCCUNTCARRIOT_STR-SPPROV_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-SP_PRINT_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-MIX_PACK_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-SEGREGAT_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-PACKAGES_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-BULK_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-HANDLING_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-OPERATION_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-VEHICLE_PHRKEY sy-vline 
WA_RCGCCUNTCARRIOT_STR-LWDG sy-vline 
WA_RCGCCUNTCARRIOT_STR-DGCL sy-vline 
WA_RCGCCUNTCARRIOT_STR-DPOTD sy-vline 
WA_RCGCCUNTCARRIOT_STR-LDBC sy-vline 
WA_RCGCCUNTCARRIOT_STR-LDBCD sy-vline 
WA_RCGCCUNTCARRIOT_STR-PGRO sy-vline      INTO ld_text SEPARATED BY SPACE.

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