ABAP Select data from SAP table CMNTOBJBDQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMNTOBJBDQ
*  INTO TABLE @DATA(IT_CMNTOBJBDQ2).
*--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_CMNTOBJBDQ INDEX 1 INTO DATA(WA_CMNTOBJBDQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMNTOBJBDQ>-MANDT = 1.
<CMNTOBJBDQ>-LEADINGMAINTNOTIFICATION = 1.
<CMNTOBJBDQ>-MAINTENANCENOTIFICATION = 1.
<CMNTOBJBDQ>-MAINTENANCEORDER = 1.
<CMNTOBJBDQ>-TECHNICALOBJECTLABEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMNTOBJBDQ-TECHOBJISEQUIPORFUNCNLLOC, sy-vline,
  WA_CMNTOBJBDQ-TECHOBJINSTALLATIONLOCATION, sy-vline,
  WA_CMNTOBJBDQ-TECHNICALOBJECT, sy-vline,
  WA_CMNTOBJBDQ-EQUIPMENT, sy-vline,
  WA_CMNTOBJBDQ-TECHNICALOBJECTTYPE, sy-vline,
  WA_CMNTOBJBDQ-CATALOGPROFILE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMNTOBJBDQ 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_CMNTOBJBDQ 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_CMNTOBJBDQ INTO WA_CMNTOBJBDQ.


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

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

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

*Conversion exit TECHO, internal->external for field TECHNICALOBJECTLABEL
CALL FUNCTION 'CONVERSION_EXIT_TECHO_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-TECHNICALOBJECTLABEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-TECHNICALOBJECTLABEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TECHOBJINSTALLATIONLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-TECHOBJINSTALLATIONLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-TECHOBJINSTALLATIONLOCATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field ASSEMBLY
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-ASSEMBLY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-ASSEMBLY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CONSTRUCTIONMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-CONSTRUCTIONMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-CONSTRUCTIONMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMNTOBJBDQ-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMNTOBJBDQ-UNITOFMEASURE.
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_CMNTOBJBDQ_STR, 
MANDT TYPE STRING,
LEADINGMAINTNOTIFICATION TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
MAINTENANCEORDER TYPE STRING,
TECHNICALOBJECTLABEL TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
TECHOBJINSTALLATIONLOCATION TYPE STRING,
TECHNICALOBJECT TYPE STRING,
EQUIPMENT TYPE STRING,
TECHNICALOBJECTTYPE TYPE STRING,
CATALOGPROFILE TYPE STRING,
ABCINDICATOR TYPE STRING,
ASSEMBLY TYPE STRING,
ASSETLOCATION TYPE STRING,
ASSETMANUFACTURERNAME TYPE STRING,
ASSETROOM TYPE STRING,
COMPANYCODE TYPE STRING,
CONSTRUCTIONMATERIAL TYPE STRING,
CONSTRUCTIONMONTH TYPE STRING,
CONSTRUCTIONYEAR TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
MAINWORKCENTER TYPE STRING,
MAINWORKCENTERPLANT TYPE STRING,
MAINTOBJECTFREEDEFINEDATTRIB TYPE STRING,
MAINTPRIORITY TYPE STRING,
MAINTPRIORITYTYPE TYPE STRING,
MAINTENANCEACTIVITYTYPE TYPE STRING,
MAINTENANCEOBJECTISDOWN TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
MAINTENANCEWORKCENTERPLANT TYPE STRING,
MANUFACTURERCOUNTRY TYPE STRING,
MANUFACTURERPARTTYPENAME TYPE STRING,
NOTIFPROCESSINGPHASE TYPE STRING,
PLANTSECTION TYPE STRING,
WBSELEMENT TYPE STRING,
WORKCENTER TYPE STRING,
BREAKDOWNYEAR TYPE STRING,
BREAKDOWNQUARTER TYPE STRING,
BREAKDOWNMONTH TYPE STRING,
BREAKDOWNWEEK TYPE STRING,
BREAKDOWNDAY TYPE STRING,
EFFECTIVEMALFUNCTIONSTARTDATE TYPE STRING,
EFFECTIVEMALFUNCTIONENDDATE TYPE STRING,
EFFECTIVEMALFUNCTIONSTARTTIME TYPE STRING,
EFFECTIVEMALFUNCTIONENDTIME TYPE STRING,
UNITOFMEASURE TYPE STRING,
NUMBEROFREPORTEDBREAKDOWNS TYPE STRING,
TIMEBETWEENREPAIRINHOURS TYPE STRING,
TOTALREPAIRTIMEINHOURS TYPE STRING,
MEANREPAIRTIMEINHOURS TYPE STRING,
MEANTIMEBETWEENREPAIRINHOURS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMNTOBJBDQ_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_CMNTOBJBDQ_STR-MANDT sy-vline 
WA_CMNTOBJBDQ_STR-LEADINGMAINTNOTIFICATION sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCENOTIFICATION sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEORDER sy-vline 
WA_CMNTOBJBDQ_STR-TECHNICALOBJECTLABEL sy-vline 
WA_CMNTOBJBDQ_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CMNTOBJBDQ_STR-TECHOBJINSTALLATIONLOCATION sy-vline 
WA_CMNTOBJBDQ_STR-TECHNICALOBJECT sy-vline 
WA_CMNTOBJBDQ_STR-EQUIPMENT sy-vline 
WA_CMNTOBJBDQ_STR-TECHNICALOBJECTTYPE sy-vline 
WA_CMNTOBJBDQ_STR-CATALOGPROFILE sy-vline 
WA_CMNTOBJBDQ_STR-ABCINDICATOR sy-vline 
WA_CMNTOBJBDQ_STR-ASSEMBLY sy-vline 
WA_CMNTOBJBDQ_STR-ASSETLOCATION sy-vline 
WA_CMNTOBJBDQ_STR-ASSETMANUFACTURERNAME sy-vline 
WA_CMNTOBJBDQ_STR-ASSETROOM sy-vline 
WA_CMNTOBJBDQ_STR-COMPANYCODE sy-vline 
WA_CMNTOBJBDQ_STR-CONSTRUCTIONMATERIAL sy-vline 
WA_CMNTOBJBDQ_STR-CONSTRUCTIONMONTH sy-vline 
WA_CMNTOBJBDQ_STR-CONSTRUCTIONYEAR sy-vline 
WA_CMNTOBJBDQ_STR-CONTROLLINGAREA sy-vline 
WA_CMNTOBJBDQ_STR-COSTCENTER sy-vline 
WA_CMNTOBJBDQ_STR-MAINWORKCENTER sy-vline 
WA_CMNTOBJBDQ_STR-MAINWORKCENTERPLANT sy-vline 
WA_CMNTOBJBDQ_STR-MAINTOBJECTFREEDEFINEDATTRIB sy-vline 
WA_CMNTOBJBDQ_STR-MAINTPRIORITY sy-vline 
WA_CMNTOBJBDQ_STR-MAINTPRIORITYTYPE sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEACTIVITYTYPE sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEOBJECTISDOWN sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEPLANT sy-vline 
WA_CMNTOBJBDQ_STR-MAINTENANCEWORKCENTERPLANT sy-vline 
WA_CMNTOBJBDQ_STR-MANUFACTURERCOUNTRY sy-vline 
WA_CMNTOBJBDQ_STR-MANUFACTURERPARTTYPENAME sy-vline 
WA_CMNTOBJBDQ_STR-NOTIFPROCESSINGPHASE sy-vline 
WA_CMNTOBJBDQ_STR-PLANTSECTION sy-vline 
WA_CMNTOBJBDQ_STR-WBSELEMENT sy-vline 
WA_CMNTOBJBDQ_STR-WORKCENTER sy-vline 
WA_CMNTOBJBDQ_STR-BREAKDOWNYEAR sy-vline 
WA_CMNTOBJBDQ_STR-BREAKDOWNQUARTER sy-vline 
WA_CMNTOBJBDQ_STR-BREAKDOWNMONTH sy-vline 
WA_CMNTOBJBDQ_STR-BREAKDOWNWEEK sy-vline 
WA_CMNTOBJBDQ_STR-BREAKDOWNDAY sy-vline 
WA_CMNTOBJBDQ_STR-EFFECTIVEMALFUNCTIONSTARTDATE sy-vline 
WA_CMNTOBJBDQ_STR-EFFECTIVEMALFUNCTIONENDDATE sy-vline 
WA_CMNTOBJBDQ_STR-EFFECTIVEMALFUNCTIONSTARTTIME sy-vline 
WA_CMNTOBJBDQ_STR-EFFECTIVEMALFUNCTIONENDTIME sy-vline 
WA_CMNTOBJBDQ_STR-UNITOFMEASURE sy-vline 
WA_CMNTOBJBDQ_STR-NUMBEROFREPORTEDBREAKDOWNS sy-vline 
WA_CMNTOBJBDQ_STR-TIMEBETWEENREPAIRINHOURS sy-vline 
WA_CMNTOBJBDQ_STR-TOTALREPAIRTIMEINHOURS sy-vline 
WA_CMNTOBJBDQ_STR-MEANREPAIRTIMEINHOURS sy-vline 
WA_CMNTOBJBDQ_STR-MEANTIMEBETWEENREPAIRINHOURS sy-vline      INTO ld_text SEPARATED BY SPACE.

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