ABAP Select data from SAP table CMTOBJBRKDNSIMPQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMTOBJBRKDNSIMPQ
*  INTO TABLE @DATA(IT_CMTOBJBRKDNSIMPQ2).
*--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_CMTOBJBRKDNSIMPQ INDEX 1 INTO DATA(WA_CMTOBJBRKDNSIMPQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMTOBJBRKDNSIMPQ>-MANDT = 1.
<CMTOBJBRKDNSIMPQ>-LEADINGMAINTNOTIFICATION = 1.
<CMTOBJBRKDNSIMPQ>-MAINTENANCENOTIFICATION = 1.
<CMTOBJBRKDNSIMPQ>-TECHNICALOBJECT = 1.
<CMTOBJBRKDNSIMPQ>-TECHOBJISEQUIPORFUNCNLLOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMTOBJBRKDNSIMPQ-BREAKDOWNYEAR, sy-vline,
  WA_CMTOBJBRKDNSIMPQ-CONSTRUCTIONMATERIAL, sy-vline,
  WA_CMTOBJBRKDNSIMPQ-EFFECTIVEMALFUNCTIONSTARTDATE, sy-vline,
  WA_CMTOBJBRKDNSIMPQ-NUMBEROFREPORTEDBREAKDOWNS, sy-vline,
  WA_CMTOBJBRKDNSIMPQ-NUMBEROFTECHNICALOBJECTS, sy-vline,
  WA_CMTOBJBRKDNSIMPQ-MAINTENANCEPLANNERGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMTOBJBRKDNSIMPQ 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_CMTOBJBRKDNSIMPQ 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_CMTOBJBRKDNSIMPQ INTO WA_CMTOBJBRKDNSIMPQ.


*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_CMTOBJBRKDNSIMPQ-LEADINGMAINTNOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMTOBJBRKDNSIMPQ-LEADINGMAINTNOTIFICATION.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMTOBJBRKDNSIMPQ-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMTOBJBRKDNSIMPQ-COSTCENTER.
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_CMTOBJBRKDNSIMPQ_STR, 
MANDT TYPE STRING,
LEADINGMAINTNOTIFICATION TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
BREAKDOWNYEAR TYPE STRING,
CONSTRUCTIONMATERIAL TYPE STRING,
EFFECTIVEMALFUNCTIONSTARTDATE TYPE STRING,
NUMBEROFREPORTEDBREAKDOWNS TYPE STRING,
NUMBEROFTECHNICALOBJECTS TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
COSTCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMTOBJBRKDNSIMPQ_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_CMTOBJBRKDNSIMPQ_STR-MANDT sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-LEADINGMAINTNOTIFICATION sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-MAINTENANCENOTIFICATION sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-TECHNICALOBJECT sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-BREAKDOWNYEAR sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-CONSTRUCTIONMATERIAL sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-EFFECTIVEMALFUNCTIONSTARTDATE sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-NUMBEROFREPORTEDBREAKDOWNS sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-NUMBEROFTECHNICALOBJECTS sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-MAINTENANCEPLANT sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-NOTIFICATIONTYPE sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-COSTCENTER sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-CONTROLLINGAREA sy-vline 
WA_CMTOBJBRKDNSIMPQ_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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