ABAP Select data from SAP table ICMMDTYORDFWDTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICMMDTYORDFWDTP
*  INTO TABLE @DATA(IT_ICMMDTYORDFWDTP2).
*--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_ICMMDTYORDFWDTP INDEX 1 INTO DATA(WA_ICMMDTYORDFWDTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICMMDTYORDFWDTP>-MANDT = 1.
<ICMMDTYORDFWDTP>-COMMODITYORDFILLFORWARDUUID = 1.
<ICMMDTYORDFWDTP>-COMMODITYORDERFILLUUID = 1.
<ICMMDTYORDFWDTP>-COMMODITYORDERFILLPACKETUUID = 1.
<ICMMDTYORDFWDTP>-COMMODITYORDERFILLFORWARDID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICMMDTYORDFWDTP-COMMODITYORDFILLFORWARDSTATUS, sy-vline,
  WA_ICMMDTYORDFWDTP-CMMDTYORDFILLFORWARDSTATUSTEXT, sy-vline,
  WA_ICMMDTYORDFWDTP-CMMDTYORDFILLFORWARDFINTRANSID, sy-vline,
  WA_ICMMDTYORDFWDTP-CREATEDBYUSER, sy-vline,
  WA_ICMMDTYORDFWDTP-CREATIONDATETIME, sy-vline,
  WA_ICMMDTYORDFWDTP-LASTCHANGEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICMMDTYORDFWDTP 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_ICMMDTYORDFWDTP 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_ICMMDTYORDFWDTP INTO WA_ICMMDTYORDFWDTP.


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

*Conversion exit ALPHA, internal->external for field CMMDTYORDFILLFORWARDFINTRANSID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMMDTYORDFWDTP-CMMDTYORDFILLFORWARDFINTRANSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMDTYORDFWDTP-CMMDTYORDFILLFORWARDFINTRANSID.
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_ICMMDTYORDFWDTP_STR, 
MANDT TYPE STRING,
COMMODITYORDFILLFORWARDUUID TYPE STRING,
COMMODITYORDERFILLUUID TYPE STRING,
COMMODITYORDERFILLPACKETUUID TYPE STRING,
COMMODITYORDERFILLFORWARDID TYPE STRING,
COMMODITYORDFILLFORWARDSTATUS TYPE STRING,
CMMDTYORDFILLFORWARDSTATUSTEXT TYPE STRING,
CMMDTYORDFILLFORWARDFINTRANSID TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ISARCHIVED TYPE STRING,
ISREVERSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICMMDTYORDFWDTP_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_ICMMDTYORDFWDTP_STR-MANDT sy-vline 
WA_ICMMDTYORDFWDTP_STR-COMMODITYORDFILLFORWARDUUID sy-vline 
WA_ICMMDTYORDFWDTP_STR-COMMODITYORDERFILLUUID sy-vline 
WA_ICMMDTYORDFWDTP_STR-COMMODITYORDERFILLPACKETUUID sy-vline 
WA_ICMMDTYORDFWDTP_STR-COMMODITYORDERFILLFORWARDID sy-vline 
WA_ICMMDTYORDFWDTP_STR-COMMODITYORDFILLFORWARDSTATUS sy-vline 
WA_ICMMDTYORDFWDTP_STR-CMMDTYORDFILLFORWARDSTATUSTEXT sy-vline 
WA_ICMMDTYORDFWDTP_STR-CMMDTYORDFILLFORWARDFINTRANSID sy-vline 
WA_ICMMDTYORDFWDTP_STR-CREATEDBYUSER sy-vline 
WA_ICMMDTYORDFWDTP_STR-CREATIONDATETIME sy-vline 
WA_ICMMDTYORDFWDTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ICMMDTYORDFWDTP_STR-LASTCHANGEDATETIME sy-vline 
WA_ICMMDTYORDFWDTP_STR-ISARCHIVED sy-vline 
WA_ICMMDTYORDFWDTP_STR-ISREVERSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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