ABAP Select data from SAP table CCMMDTYORDFLL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCMMDTYORDFLL
*  INTO TABLE @DATA(IT_CCMMDTYORDFLL2).
*--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_CCMMDTYORDFLL INDEX 1 INTO DATA(WA_CCMMDTYORDFLL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCMMDTYORDFLL>-MANDT = 1.
<CCMMDTYORDFLL>-COMMODITYORDERFILLUUID = 1.
<CCMMDTYORDFLL>-COMMODITYORDERREQUESTUUID = 1.
<CCMMDTYORDFLL>-COMMODITYORDERFILLPACKETUUID = 1.
<CCMMDTYORDFLL>-CMMDTYORDERFILLPACKET = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCMMDTYORDFLL-COMMODITYORDERFILL, sy-vline,
  WA_CCMMDTYORDFLL-CMMDTYORDERFILLQUANTITYUNIT, sy-vline,
  WA_CCMMDTYORDFLL-CMMDTYORDERFILLPRICE, sy-vline,
  WA_CCMMDTYORDFLL-CMMDTYORDERFILLPRICECRCY, sy-vline,
  WA_CCMMDTYORDFLL-CMMDTYORDFILLPRICEPERFILLTEXT, sy-vline,
  WA_CCMMDTYORDFLL-CRITICALITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCMMDTYORDFLL 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_CCMMDTYORDFLL 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_CCMMDTYORDFLL INTO WA_CCMMDTYORDFLL.


*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 COMMODITYORDERFILL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCMMDTYORDFLL-COMMODITYORDERFILL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCMMDTYORDFLL-COMMODITYORDERFILL.
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_CCMMDTYORDFLL_STR, 
MANDT TYPE STRING,
COMMODITYORDERFILLUUID TYPE STRING,
COMMODITYORDERREQUESTUUID TYPE STRING,
COMMODITYORDERFILLPACKETUUID TYPE STRING,
CMMDTYORDERFILLPACKET TYPE STRING,
COMMODITYORDERFILL TYPE STRING,
CMMDTYORDERFILLQUANTITYUNIT TYPE STRING,
CMMDTYORDERFILLPRICE TYPE STRING,
CMMDTYORDERFILLPRICECRCY TYPE STRING,
CMMDTYORDFILLPRICEPERFILLTEXT TYPE STRING,
CRITICALITY TYPE STRING,
CMMDTYORDFILLFOLLOWONSYSTEMS TYPE STRING,
CMMDTYORDERFILLQUANTITYINLOTS TYPE STRING,
CMMDTYORDERFILLREQUESTTYPE TYPE STRING,
COMMODITY TYPE STRING,
CMMDTYORDERFILLDATETIME TYPE STRING,
COMMODITYORDERFILLPACKETID TYPE STRING,
CMMDTYORDFILLCUMULATIVEQTYUNIT TYPE STRING,
CMMDTYORDERFILLQUANTITY TYPE STRING,
CMMDTYORDERREQUESTFLOWTYPE TYPE STRING,
CMMDTYDERIVATIVEFLOWTYPETEXT TYPE STRING,
CMMDTYORDERFILLFUTUREID TYPE STRING,
CMMDTYORDERFILLFUTURENAME TYPE STRING,
DERIVATIVECONTRSPECIFICATION TYPE STRING,
DERIVATIVECONTRSPECNAME TYPE STRING,
MARKETIDENTIFIERCODE TYPE STRING,
MARKETIDENTIFIERCODENAME TYPE STRING,
MATURITYKEYDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCMMDTYORDFLL_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_CCMMDTYORDFLL_STR-MANDT sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITYORDERFILLUUID sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITYORDERREQUESTUUID sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITYORDERFILLPACKETUUID sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLPACKET sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITYORDERFILL sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLQUANTITYUNIT sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLPRICE sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLPRICECRCY sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDFILLPRICEPERFILLTEXT sy-vline 
WA_CCMMDTYORDFLL_STR-CRITICALITY sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDFILLFOLLOWONSYSTEMS sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLQUANTITYINLOTS sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLREQUESTTYPE sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITY sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLDATETIME sy-vline 
WA_CCMMDTYORDFLL_STR-COMMODITYORDERFILLPACKETID sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDFILLCUMULATIVEQTYUNIT sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLQUANTITY sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERREQUESTFLOWTYPE sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYDERIVATIVEFLOWTYPETEXT sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLFUTUREID sy-vline 
WA_CCMMDTYORDFLL_STR-CMMDTYORDERFILLFUTURENAME sy-vline 
WA_CCMMDTYORDFLL_STR-DERIVATIVECONTRSPECIFICATION sy-vline 
WA_CCMMDTYORDFLL_STR-DERIVATIVECONTRSPECNAME sy-vline 
WA_CCMMDTYORDFLL_STR-MARKETIDENTIFIERCODE sy-vline 
WA_CCMMDTYORDFLL_STR-MARKETIDENTIFIERCODENAME sy-vline 
WA_CCMMDTYORDFLL_STR-MATURITYKEYDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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