ABAP Select data from SAP table ICMMDTYORDBKTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICMMDTYORDBKTTP
*  INTO TABLE @DATA(IT_ICMMDTYORDBKTTP2).
*--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_ICMMDTYORDBKTTP INDEX 1 INTO DATA(WA_ICMMDTYORDBKTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICMMDTYORDBKTTP>-MANDT = 1.
<ICMMDTYORDBKTTP>-CMMDTYORDERREQUESTBRACKETUUID = 1.
<ICMMDTYORDBKTTP>-COMMODITYORDERREQUESTBRACKET = 1.
<ICMMDTYORDBKTTP>-CMMDTYORDERREQUESTBRACKETTYPE = 1.
<ICMMDTYORDBKTTP>-CMMDTYORDREQUESTBRACKETSOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICMMDTYORDBKTTP-COMMENTS, sy-vline,
  WA_ICMMDTYORDBKTTP-ACTIVEFLAG, sy-vline,
  WA_ICMMDTYORDBKTTP-CMMDTYBRACKETFILLQTYISVISIBLE, sy-vline,
  WA_ICMMDTYORDBKTTP-CMMDTYBRACKETPRCDQTYISVISIBLE, sy-vline,
  WA_ICMMDTYORDBKTTP-SYSTEMMESSAGEVARIABLE1, sy-vline,
  WA_ICMMDTYORDBKTTP-SYSTEMMESSAGEVARIABLE2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICMMDTYORDBKTTP 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_ICMMDTYORDBKTTP 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_ICMMDTYORDBKTTP INTO WA_ICMMDTYORDBKTTP.


*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 COMMODITYORDERREQUESTBRACKET
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMMDTYORDBKTTP-COMMODITYORDERREQUESTBRACKET
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMDTYORDBKTTP-COMMODITYORDERREQUESTBRACKET.
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_ICMMDTYORDBKTTP_STR, 
MANDT TYPE STRING,
CMMDTYORDERREQUESTBRACKETUUID TYPE STRING,
COMMODITYORDERREQUESTBRACKET TYPE STRING,
CMMDTYORDERREQUESTBRACKETTYPE TYPE STRING,
CMMDTYORDREQUESTBRACKETSOURCE TYPE STRING,
COMMENTS TYPE STRING,
ACTIVEFLAG TYPE STRING,
CMMDTYBRACKETFILLQTYISVISIBLE TYPE STRING,
CMMDTYBRACKETPRCDQTYISVISIBLE TYPE STRING,
SYSTEMMESSAGEVARIABLE1 TYPE STRING,
SYSTEMMESSAGEVARIABLE2 TYPE STRING,
CMMDTYBRACKETFILLEDQTYMSGTEXT TYPE STRING,
CMMDTYBRACKETPRICEDQTYMSGTEXT TYPE STRING,
CMMDTYORDERREQUESTQUANTITY TYPE STRING,
CMMDTYORDERREQUESTQUANTITYUNIT TYPE STRING,
CMMDTYORDREQTOPRICETOTQTY TYPE STRING,
CMMDTYORDREQTOPRICETOTQTYUNIT TYPE STRING,
CMMDTYORDBRACKETFILLEDQTYUNIT TYPE STRING,
CMMDTYORDBRACKETFILLEDQUANTITY TYPE STRING,
CMMDTYORDREQTOBEFILLEDQTYTXT TYPE STRING,
CMMDTYORDBRACKETPRICEDQTYUNIT TYPE STRING,
CMMDTYORDBRACKETPRICEDQUANTITY TYPE STRING,
CMMDTYORDREQTOBEPRICEDQTYTXT TYPE STRING,
CRITICALITY TYPE STRING,
CRITICALITYCODE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERNAME TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATIONDATEDECIMALVALUE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDBYUSERNAME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CMMDTYDRVTVORDTRDEXECISRECENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICMMDTYORDBKTTP_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_ICMMDTYORDBKTTP_STR-MANDT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDERREQUESTBRACKETUUID sy-vline 
WA_ICMMDTYORDBKTTP_STR-COMMODITYORDERREQUESTBRACKET sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDERREQUESTBRACKETTYPE sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDREQUESTBRACKETSOURCE sy-vline 
WA_ICMMDTYORDBKTTP_STR-COMMENTS sy-vline 
WA_ICMMDTYORDBKTTP_STR-ACTIVEFLAG sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYBRACKETFILLQTYISVISIBLE sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYBRACKETPRCDQTYISVISIBLE sy-vline 
WA_ICMMDTYORDBKTTP_STR-SYSTEMMESSAGEVARIABLE1 sy-vline 
WA_ICMMDTYORDBKTTP_STR-SYSTEMMESSAGEVARIABLE2 sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYBRACKETFILLEDQTYMSGTEXT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYBRACKETPRICEDQTYMSGTEXT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDERREQUESTQUANTITY sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDERREQUESTQUANTITYUNIT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDREQTOPRICETOTQTY sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDREQTOPRICETOTQTYUNIT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDBRACKETFILLEDQTYUNIT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDBRACKETFILLEDQUANTITY sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDREQTOBEFILLEDQTYTXT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDBRACKETPRICEDQTYUNIT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDBRACKETPRICEDQUANTITY sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYORDREQTOBEPRICEDQTYTXT sy-vline 
WA_ICMMDTYORDBKTTP_STR-CRITICALITY sy-vline 
WA_ICMMDTYORDBKTTP_STR-CRITICALITYCODE sy-vline 
WA_ICMMDTYORDBKTTP_STR-CREATEDBYUSER sy-vline 
WA_ICMMDTYORDBKTTP_STR-CREATEDBYUSERNAME sy-vline 
WA_ICMMDTYORDBKTTP_STR-CREATIONDATETIME sy-vline 
WA_ICMMDTYORDBKTTP_STR-CREATIONDATEDECIMALVALUE sy-vline 
WA_ICMMDTYORDBKTTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ICMMDTYORDBKTTP_STR-LASTCHANGEDBYUSERNAME sy-vline 
WA_ICMMDTYORDBKTTP_STR-LASTCHANGEDATETIME sy-vline 
WA_ICMMDTYORDBKTTP_STR-LASTCHANGEDATE sy-vline 
WA_ICMMDTYORDBKTTP_STR-CMMDTYDRVTVORDTRDEXECISRECENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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