ABAP Select data from SAP table CMMFDOF_SAP_FILL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMFDOF_SAP_FILL
*  INTO TABLE @DATA(IT_CMMFDOF_SAP_FILL2).
*--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_CMMFDOF_SAP_FILL INDEX 1 INTO DATA(WA_CMMFDOF_SAP_FILL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMFDOF_SAP_FILL>-CMMDTYORDERREQUEST = 1.
<CMMFDOF_SAP_FILL>-CMMDTYORDERFILLFLOWTYPE = 1.
<CMMFDOF_SAP_FILL>-MARKETIDENTIFIERCODE = 1.
<CMMFDOF_SAP_FILL>-CMMDTYORDERFILLREQUESTTYPE = 1.
<CMMFDOF_SAP_FILL>-CMMDTYORDERFILLCOUNTERPARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMFDOF_SAP_FILL-CMMDTYORDREQCNTRPTYBROKER, sy-vline,
  WA_CMMFDOF_SAP_FILL-REFERENCEBROKERACCOUNT, sy-vline,
  WA_CMMFDOF_SAP_FILL-COMMODITYSUBACCOUNT, sy-vline,
  WA_CMMFDOF_SAP_FILL-CMMDTYORDREQCNTRPTYSUBACCT, sy-vline,
  WA_CMMFDOF_SAP_FILL-CMMDTYORDERREQLEGOWNERROLE, sy-vline,
  WA_CMMFDOF_SAP_FILL-CMMDTYORDERFILLQUANTITYINLOTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMFDOF_SAP_FILL 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_CMMFDOF_SAP_FILL 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_CMMFDOF_SAP_FILL INTO WA_CMMFDOF_SAP_FILL.


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

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

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

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

*Conversion exit ALPHA, internal->external for field CMMDTYORDREQCNTRPTYSUBACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMFDOF_SAP_FILL-CMMDTYORDREQCNTRPTYSUBACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMFDOF_SAP_FILL-CMMDTYORDREQCNTRPTYSUBACCT.
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_CMMFDOF_SAP_FILL_STR, 
CMMDTYORDERREQUEST TYPE STRING,
CMMDTYORDERFILLFLOWTYPE TYPE STRING,
MARKETIDENTIFIERCODE TYPE STRING,
CMMDTYORDERFILLREQUESTTYPE TYPE STRING,
CMMDTYORDERFILLCOUNTERPARTY TYPE STRING,
CMMDTYORDREQCNTRPTYBROKER TYPE STRING,
REFERENCEBROKERACCOUNT TYPE STRING,
COMMODITYSUBACCOUNT TYPE STRING,
CMMDTYORDREQCNTRPTYSUBACCT TYPE STRING,
CMMDTYORDERREQLEGOWNERROLE TYPE STRING,
CMMDTYORDERFILLQUANTITYINLOTS TYPE STRING,
MATURITYMONTHYEAR TYPE STRING,
PRODUCTSYMBOL TYPE STRING,
CMDTYORDERFILLTIMESTAMP TYPE STRING,
CMMDTYORDREQFILLEDQTYINLOTS TYPE STRING,
CMMDTYORDREQRMNGQTYINLOTS TYPE STRING,
CMMDTYFILLPACKETMSGORDID TYPE STRING,
CMMDTYORDERFILLPRICE TYPE STRING,
COMMODITYORDERREQUESTTICKS TYPE STRING,
CMMDTYORDFILLMULTILEGTYPE TYPE STRING,
COMMODITYORDERREQUESTTRADER TYPE STRING,
CMMDTYFILLPACKETTRDEXECUTIONID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMFDOF_SAP_FILL_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_CMMFDOF_SAP_FILL_STR-CMMDTYORDERREQUEST sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERFILLFLOWTYPE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-MARKETIDENTIFIERCODE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERFILLREQUESTTYPE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERFILLCOUNTERPARTY sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDREQCNTRPTYBROKER sy-vline 
WA_CMMFDOF_SAP_FILL_STR-REFERENCEBROKERACCOUNT sy-vline 
WA_CMMFDOF_SAP_FILL_STR-COMMODITYSUBACCOUNT sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDREQCNTRPTYSUBACCT sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERREQLEGOWNERROLE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERFILLQUANTITYINLOTS sy-vline 
WA_CMMFDOF_SAP_FILL_STR-MATURITYMONTHYEAR sy-vline 
WA_CMMFDOF_SAP_FILL_STR-PRODUCTSYMBOL sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMDTYORDERFILLTIMESTAMP sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDREQFILLEDQTYINLOTS sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDREQRMNGQTYINLOTS sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYFILLPACKETMSGORDID sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDERFILLPRICE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-COMMODITYORDERREQUESTTICKS sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYORDFILLMULTILEGTYPE sy-vline 
WA_CMMFDOF_SAP_FILL_STR-COMMODITYORDERREQUESTTRADER sy-vline 
WA_CMMFDOF_SAP_FILL_STR-CMMDTYFILLPACKETTRDEXECUTIONID sy-vline      INTO ld_text SEPARATED BY SPACE.

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