ABAP Select data from SAP table CMTORDOBJLST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMTORDOBJLST
*  INTO TABLE @DATA(IT_CMTORDOBJLST2).
*--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_CMTORDOBJLST INDEX 1 INTO DATA(WA_CMTORDOBJLST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMTORDOBJLST>-MANDT = 1.
<CMTORDOBJLST>-MAINTENANCEORDEROBJECTLIST = 1.
<CMTORDOBJLST>-MAINTENANCEORDEROBJECTLISTITEM = 1.
<CMTORDOBJLST>-MAINTENANCENOTIFICATION = 1.
<CMTORDOBJLST>-NOTIFICATIONTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMTORDOBJLST-NOTIFICATIONTYPE, sy-vline,
  WA_CMTORDOBJLST-NOTIFICATIONTYPENAME, sy-vline,
  WA_CMTORDOBJLST-MAINTPRIORITY, sy-vline,
  WA_CMTORDOBJLST-MAINTPRIORITYDESC, sy-vline,
  WA_CMTORDOBJLST-MAINTENANCEOBJECTISDOWN, sy-vline,
  WA_CMTORDOBJLST-NOTIFICATIONCREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMTORDOBJLST 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_CMTORDOBJLST 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_CMTORDOBJLST INTO WA_CMTORDOBJLST.


*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 MAINTENANCENOTIFICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMTORDOBJLST-MAINTENANCENOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMTORDOBJLST-MAINTENANCENOTIFICATION.
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_CMTORDOBJLST_STR, 
MANDT TYPE STRING,
MAINTENANCEORDEROBJECTLIST TYPE STRING,
MAINTENANCEORDEROBJECTLISTITEM TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
NOTIFICATIONTEXT TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
NOTIFICATIONTYPENAME TYPE STRING,
MAINTPRIORITY TYPE STRING,
MAINTPRIORITYDESC TYPE STRING,
MAINTENANCEOBJECTISDOWN TYPE STRING,
NOTIFICATIONCREATIONDATE TYPE STRING,
LATESTACCEPTABLECOMPLETIONDATE TYPE STRING,
MAINTNOTIFICATIONLONGTEXT TYPE STRING,
MAINTNOTIFINTERNALID TYPE STRING,
CONCATENATEDACTIVESYSTSTSNAME TYPE STRING,
CONCATENATEDACTIVEUSERSTSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMTORDOBJLST_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_CMTORDOBJLST_STR-MANDT sy-vline 
WA_CMTORDOBJLST_STR-MAINTENANCEORDEROBJECTLIST sy-vline 
WA_CMTORDOBJLST_STR-MAINTENANCEORDEROBJECTLISTITEM sy-vline 
WA_CMTORDOBJLST_STR-MAINTENANCENOTIFICATION sy-vline 
WA_CMTORDOBJLST_STR-NOTIFICATIONTEXT sy-vline 
WA_CMTORDOBJLST_STR-NOTIFICATIONTYPE sy-vline 
WA_CMTORDOBJLST_STR-NOTIFICATIONTYPENAME sy-vline 
WA_CMTORDOBJLST_STR-MAINTPRIORITY sy-vline 
WA_CMTORDOBJLST_STR-MAINTPRIORITYDESC sy-vline 
WA_CMTORDOBJLST_STR-MAINTENANCEOBJECTISDOWN sy-vline 
WA_CMTORDOBJLST_STR-NOTIFICATIONCREATIONDATE sy-vline 
WA_CMTORDOBJLST_STR-LATESTACCEPTABLECOMPLETIONDATE sy-vline 
WA_CMTORDOBJLST_STR-MAINTNOTIFICATIONLONGTEXT sy-vline 
WA_CMTORDOBJLST_STR-MAINTNOTIFINTERNALID sy-vline 
WA_CMTORDOBJLST_STR-CONCATENATEDACTIVESYSTSTSNAME sy-vline 
WA_CMTORDOBJLST_STR-CONCATENATEDACTIVEUSERSTSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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