ABAP Select data from SAP table CMORFCDIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMORFCDIS
*  INTO TABLE @DATA(IT_CMORFCDIS2).
*--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_CMORFCDIS INDEX 1 INTO DATA(WA_CMORFCDIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMORFCDIS>-RFCDEST = 1.
<CMORFCDIS>-RFCTYPE = 1.
<CMORFCDIS>-RFCTYTEXT = 1.
<CMORFCDIS>-RFCLOCK = 1.
<CMORFCDIS>-SAVESERVER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMORFCDIS-RFCLOGON, sy-vline,
  WA_CMORFCDIS-ARFCOPT, sy-vline,
  WA_CMORFCDIS-AUTHORITY, sy-vline,
  WA_CMORFCDIS-RFCHOST, sy-vline,
  WA_CMORFCDIS-RFCSERVICE, sy-vline,
  WA_CMORFCDIS-RFCALIAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMORFCDIS 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_CMORFCDIS 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_CMORFCDIS INTO WA_CMORFCDIS.


*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_CMORFCDIS_STR, 
RFCDEST TYPE STRING,
RFCTYPE TYPE STRING,
RFCTYTEXT TYPE STRING,
RFCLOCK TYPE STRING,
SAVESERVER TYPE STRING,
RFCLOGON TYPE STRING,
ARFCOPT TYPE STRING,
AUTHORITY TYPE STRING,
RFCHOST TYPE STRING,
RFCSERVICE TYPE STRING,
RFCALIAS TYPE STRING,
RFCCLIENT TYPE STRING,
RFCUSER TYPE STRING,
RFCLANG TYPE STRING,
RFCCOMPRES TYPE STRING,
RFCSCRAMBL TYPE STRING,
RFCNOKEEP TYPE STRING,
RFCEXIT TYPE STRING,
RFCNOWAIT TYPE STRING,
RFCAUTH TYPE STRING,
RFCTRACE TYPE STRING,
RFCPWSCR TYPE STRING,
RFCEXEC TYPE STRING,
RFCGWHOST TYPE STRING,
RFCGWSERV TYPE STRING,
RFCSYSID TYPE STRING,
RFCKEEP TYPE STRING,
BTCSUPPR TYPE STRING,
BTCTRIES TYPE STRING,
BTCDELAY TYPE STRING,
RFCLBFLAG TYPE STRING,
RFCSAMEUSR TYPE STRING,
RFCARFCOPT TYPE STRING,
RFCSLOGIN TYPE STRING,
RFCTSYSOPT TYPE STRING,
RFCSNC TYPE STRING,
RFCINFO TYPE STRING,
RFCWAN TYPE STRING,
RFCUNICODE TYPE STRING,
RFCCONVERT TYPE STRING,
RFCCONVX TYPE STRING,
RFCBITMAP TYPE STRING,
RFCREST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMORFCDIS_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_CMORFCDIS_STR-RFCDEST sy-vline 
WA_CMORFCDIS_STR-RFCTYPE sy-vline 
WA_CMORFCDIS_STR-RFCTYTEXT sy-vline 
WA_CMORFCDIS_STR-RFCLOCK sy-vline 
WA_CMORFCDIS_STR-SAVESERVER sy-vline 
WA_CMORFCDIS_STR-RFCLOGON sy-vline 
WA_CMORFCDIS_STR-ARFCOPT sy-vline 
WA_CMORFCDIS_STR-AUTHORITY sy-vline 
WA_CMORFCDIS_STR-RFCHOST sy-vline 
WA_CMORFCDIS_STR-RFCSERVICE sy-vline 
WA_CMORFCDIS_STR-RFCALIAS sy-vline 
WA_CMORFCDIS_STR-RFCCLIENT sy-vline 
WA_CMORFCDIS_STR-RFCUSER sy-vline 
WA_CMORFCDIS_STR-RFCLANG sy-vline 
WA_CMORFCDIS_STR-RFCCOMPRES sy-vline 
WA_CMORFCDIS_STR-RFCSCRAMBL sy-vline 
WA_CMORFCDIS_STR-RFCNOKEEP sy-vline 
WA_CMORFCDIS_STR-RFCEXIT sy-vline 
WA_CMORFCDIS_STR-RFCNOWAIT sy-vline 
WA_CMORFCDIS_STR-RFCAUTH sy-vline 
WA_CMORFCDIS_STR-RFCTRACE sy-vline 
WA_CMORFCDIS_STR-RFCPWSCR sy-vline 
WA_CMORFCDIS_STR-RFCEXEC sy-vline 
WA_CMORFCDIS_STR-RFCGWHOST sy-vline 
WA_CMORFCDIS_STR-RFCGWSERV sy-vline 
WA_CMORFCDIS_STR-RFCSYSID sy-vline 
WA_CMORFCDIS_STR-RFCKEEP sy-vline 
WA_CMORFCDIS_STR-BTCSUPPR sy-vline 
WA_CMORFCDIS_STR-BTCTRIES sy-vline 
WA_CMORFCDIS_STR-BTCDELAY sy-vline 
WA_CMORFCDIS_STR-RFCLBFLAG sy-vline 
WA_CMORFCDIS_STR-RFCSAMEUSR sy-vline 
WA_CMORFCDIS_STR-RFCARFCOPT sy-vline 
WA_CMORFCDIS_STR-RFCSLOGIN sy-vline 
WA_CMORFCDIS_STR-RFCTSYSOPT sy-vline 
WA_CMORFCDIS_STR-RFCSNC sy-vline 
WA_CMORFCDIS_STR-RFCINFO sy-vline 
WA_CMORFCDIS_STR-RFCWAN sy-vline 
WA_CMORFCDIS_STR-RFCUNICODE sy-vline 
WA_CMORFCDIS_STR-RFCCONVERT sy-vline 
WA_CMORFCDIS_STR-RFCCONVX sy-vline 
WA_CMORFCDIS_STR-RFCBITMAP sy-vline 
WA_CMORFCDIS_STR-RFCREST sy-vline      INTO ld_text SEPARATED BY SPACE.

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