ABAP Select data from SAP table RDGEXCCNTRIESIOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RDGEXCCNTRIESIOT
*  INTO TABLE @DATA(IT_RDGEXCCNTRIESIOT2).
*--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_RDGEXCCNTRIESIOT INDEX 1 INTO DATA(WA_RDGEXCCNTRIESIOT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RDGEXCCNTRIESIOT-LOCKMOD, sy-vline,
  WA_RDGEXCCNTRIESIOT-INTRFLG, sy-vline,
  WA_RDGEXCCNTRIESIOT-MANDT, sy-vline,
  WA_RDGEXCCNTRIESIOT-LWDG, sy-vline,
  WA_RDGEXCCNTRIESIOT-EXCEPTID, sy-vline,
  WA_RDGEXCCNTRIESIOT-VERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RDGEXCCNTRIESIOT 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_RDGEXCCNTRIESIOT 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_RDGEXCCNTRIESIOT INTO WA_RDGEXCCNTRIESIOT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RDGEXCCNTRIESIOT_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,
LWDG TYPE STRING,
EXCEPTID TYPE STRING,
VERSION TYPE STRING,
EXCEPT_CNTRY TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
EXC_CNTRY_VALFR TYPE STRING,
EXC_CNTRY_VALTO TYPE STRING,
EXC_PRINT_SUPPRF TYPE STRING,
EXCEPT_CNTRYD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RDGEXCCNTRIESIOT_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_RDGEXCCNTRIESIOT_STR-MARKFLG sy-vline 
WA_RDGEXCCNTRIESIOT_STR-SELEFLG sy-vline 
WA_RDGEXCCNTRIESIOT_STR-LINENO sy-vline 
WA_RDGEXCCNTRIESIOT_STR-LINEMOD sy-vline 
WA_RDGEXCCNTRIESIOT_STR-CHCOFLG sy-vline 
WA_RDGEXCCNTRIESIOT_STR-LOCKMOD sy-vline 
WA_RDGEXCCNTRIESIOT_STR-INTRFLG sy-vline 
WA_RDGEXCCNTRIESIOT_STR-MANDT sy-vline 
WA_RDGEXCCNTRIESIOT_STR-LWDG sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXCEPTID sy-vline 
WA_RDGEXCCNTRIESIOT_STR-VERSION sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXCEPT_CNTRY sy-vline 
WA_RDGEXCCNTRIESIOT_STR-CRDAT sy-vline 
WA_RDGEXCCNTRIESIOT_STR-CRNAM sy-vline 
WA_RDGEXCCNTRIESIOT_STR-UPDDAT sy-vline 
WA_RDGEXCCNTRIESIOT_STR-UPDNAM sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXC_CNTRY_VALFR sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXC_CNTRY_VALTO sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXC_PRINT_SUPPRF sy-vline 
WA_RDGEXCCNTRIESIOT_STR-EXCEPT_CNTRYD sy-vline      INTO ld_text SEPARATED BY SPACE.

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