ABAP Select data from SAP table CMFREPWKITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMFREPWKITEM
*  INTO TABLE @DATA(IT_CMFREPWKITEM2).
*--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_CMFREPWKITEM INDEX 1 INTO DATA(WA_CMFREPWKITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMFREPWKITEM>-MANDT = 1.
<CMFREPWKITEM>-MAINTENANCEORDER = 1.
<CMFREPWKITEM>-MAINTENANCEORDEROPERATION = 1.
<CMFREPWKITEM>-MAINTENANCEORDERINTERNALID = 1.
<CMFREPWKITEM>-MAINTENANCEORDERDESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMFREPWKITEM-MAINTENANCENOTIFICATION, sy-vline,
  WA_CMFREPWKITEM-NOTIFICATIONTEXT, sy-vline,
  WA_CMFREPWKITEM-OPERATIONDESCRIPTION, sy-vline,
  WA_CMFREPWKITEM-OPERATIONPERSONRESPONSIBLE, sy-vline,
  WA_CMFREPWKITEM-OPERATIONWORKCENTER, sy-vline,
  WA_CMFREPWKITEM-OPERATIONWORKCENTERINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMFREPWKITEM 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_CMFREPWKITEM 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_CMFREPWKITEM INTO WA_CMFREPWKITEM.


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

*Conversion exit NUMCV, internal->external for field MAINTENANCEORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CMFREPWKITEM-MAINTENANCEORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFREPWKITEM-MAINTENANCEORDEROPERATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field OPERATIONPLANNEDWORKUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMFREPWKITEM-OPERATIONPLANNEDWORKUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFREPWKITEM-OPERATIONPLANNEDWORKUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CMFREPWKITEM-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFREPWKITEM-FUNCTIONALLOCATION.
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_CMFREPWKITEM_STR, 
MANDT TYPE STRING,
MAINTENANCEORDER TYPE STRING,
MAINTENANCEORDEROPERATION TYPE STRING,
MAINTENANCEORDERINTERNALID TYPE STRING,
MAINTENANCEORDERDESC TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
NOTIFICATIONTEXT TYPE STRING,
OPERATIONDESCRIPTION TYPE STRING,
OPERATIONPERSONRESPONSIBLE TYPE STRING,
OPERATIONWORKCENTER TYPE STRING,
OPERATIONWORKCENTERINTERNALID TYPE STRING,
OPERATIONWORKCENTERTYPECODE TYPE STRING,
OPERATIONPLANNEDWORK TYPE STRING,
OPERATIONPLANNEDWORKUNIT TYPE STRING,
PLANT TYPE STRING,
EAMOVERALLOBJECTSTATUSPROFILE TYPE STRING,
EAMOVERALLOBJECTSTATUS TYPE STRING,
MAINTORDERSOURCEAPPLICATION TYPE STRING,
MAINTENANCEJOBSELECTION TYPE STRING,
MAINTPRIORITYCOLORCODE TYPE STRING,
MAINTPRIORITY TYPE STRING,
MAINTPRIORITYTYPE TYPE STRING,
MAINTORDEROPERATIONINTERNALID TYPE STRING,
TECHNICALOBJECTLABEL TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
EQUIPMENT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
FUNCTIONALLOCATIONLABELNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMFREPWKITEM_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_CMFREPWKITEM_STR-MANDT sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCEORDER sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCEORDEROPERATION sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCEORDERINTERNALID sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCEORDERDESC sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCENOTIFICATION sy-vline 
WA_CMFREPWKITEM_STR-NOTIFICATIONTEXT sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONDESCRIPTION sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONPERSONRESPONSIBLE sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONWORKCENTER sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONWORKCENTERINTERNALID sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONWORKCENTERTYPECODE sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONPLANNEDWORK sy-vline 
WA_CMFREPWKITEM_STR-OPERATIONPLANNEDWORKUNIT sy-vline 
WA_CMFREPWKITEM_STR-PLANT sy-vline 
WA_CMFREPWKITEM_STR-EAMOVERALLOBJECTSTATUSPROFILE sy-vline 
WA_CMFREPWKITEM_STR-EAMOVERALLOBJECTSTATUS sy-vline 
WA_CMFREPWKITEM_STR-MAINTORDERSOURCEAPPLICATION sy-vline 
WA_CMFREPWKITEM_STR-MAINTENANCEJOBSELECTION sy-vline 
WA_CMFREPWKITEM_STR-MAINTPRIORITYCOLORCODE sy-vline 
WA_CMFREPWKITEM_STR-MAINTPRIORITY sy-vline 
WA_CMFREPWKITEM_STR-MAINTPRIORITYTYPE sy-vline 
WA_CMFREPWKITEM_STR-MAINTORDEROPERATIONINTERNALID sy-vline 
WA_CMFREPWKITEM_STR-TECHNICALOBJECTLABEL sy-vline 
WA_CMFREPWKITEM_STR-TECHNICALOBJECT sy-vline 
WA_CMFREPWKITEM_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_CMFREPWKITEM_STR-EQUIPMENT sy-vline 
WA_CMFREPWKITEM_STR-FUNCTIONALLOCATION sy-vline 
WA_CMFREPWKITEM_STR-FUNCTIONALLOCATIONLABELNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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