ABAP Select data from SAP table CDFSASSGMTFEMETL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDFSASSGMTFEMETL
*  INTO TABLE @DATA(IT_CDFSASSGMTFEMETL2).
*--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_CDFSASSGMTFEMETL INDEX 1 INTO DATA(WA_CDFSASSGMTFEMETL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDFSASSGMTFEMETL>-MANDT = 1.
<CDFSASSGMTFEMETL>-DFSASSGMTUUID = 1.
<CDFSASSGMTFEMETL>-FORCEELEMENTORGSRCEID = 1.
<CDFSASSGMTFEMETL>-FORCEELEMENTORGSRCEUUID = 1.
<CDFSASSGMTFEMETL>-FRCELMNTORGISREFFRCELMNTORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDFSASSGMTFEMETL-MISSIONESSENTIALTASKUUID, sy-vline,
  WA_CDFSASSGMTFEMETL-MISSIONESSENTIALTASKID, sy-vline,
  WA_CDFSASSGMTFEMETL-MSNESNLTSKNAME, sy-vline,
  WA_CDFSASSGMTFEMETL-MSNESNLTSKDESCRIPTION, sy-vline,
  WA_CDFSASSGMTFEMETL-DFSASSGMTSOURCETYPE, sy-vline,
  WA_CDFSASSGMTFEMETL-DFSASSGMTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDFSASSGMTFEMETL 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_CDFSASSGMTFEMETL 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_CDFSASSGMTFEMETL INTO WA_CDFSASSGMTFEMETL.


*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 MISSIONESSENTIALTASKID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDFSASSGMTFEMETL-MISSIONESSENTIALTASKID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDFSASSGMTFEMETL-MISSIONESSENTIALTASKID.
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_CDFSASSGMTFEMETL_STR, 
MANDT TYPE STRING,
DFSASSGMTUUID TYPE STRING,
FORCEELEMENTORGSRCEID TYPE STRING,
FORCEELEMENTORGSRCEUUID TYPE STRING,
FRCELMNTORGISREFFRCELMNTORG TYPE STRING,
MISSIONESSENTIALTASKUUID TYPE STRING,
MISSIONESSENTIALTASKID TYPE STRING,
MSNESNLTSKNAME TYPE STRING,
MSNESNLTSKDESCRIPTION TYPE STRING,
DFSASSGMTSOURCETYPE TYPE STRING,
DFSASSGMTTYPE TYPE STRING,
DFSASSGMTPRIORITY TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTSTATUSOBJECT TYPE STRING,
STATUS TYPE STRING,
DFSASSGMTSTATUSPROFILE TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
STATUSCRITICALITY TYPE STRING,
DFSUSERSTATUSISHIDDEN TYPE STRING,
DFSASSGMTCOMMENT TYPE STRING,
DFSASSGMTPLANOPERATIONCODEDESC TYPE STRING,
DFSASSGMTPLANOPERATIONCODE TYPE STRING,
DFSASSGMTPLANOPERATIONSTATUS TYPE STRING,
DFSASSGMTPLANOPSTSCRITICALITY TYPE STRING,
DFSASSGMTPLANDELIMITDATE TYPE STRING,
DFSASSGMTCREATIONDATETIME TYPE STRING,
DFSASSGMTCREATEDBYUSER TYPE STRING,
DFSASSGMTCHANGEDATETIME TYPE STRING,
DFSASSGMTLASTCHGDBYUSER TYPE STRING,
DFSASSGMTFRCELMNTTRNGASSMTDTE TYPE STRING,
DFSASSGMTFRCELMNTTRNGASSMTBY TYPE STRING,
EMPLOYEENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDFSASSGMTFEMETL_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_CDFSASSGMTFEMETL_STR-MANDT sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTUUID sy-vline 
WA_CDFSASSGMTFEMETL_STR-FORCEELEMENTORGSRCEID sy-vline 
WA_CDFSASSGMTFEMETL_STR-FORCEELEMENTORGSRCEUUID sy-vline 
WA_CDFSASSGMTFEMETL_STR-FRCELMNTORGISREFFRCELMNTORG sy-vline 
WA_CDFSASSGMTFEMETL_STR-MISSIONESSENTIALTASKUUID sy-vline 
WA_CDFSASSGMTFEMETL_STR-MISSIONESSENTIALTASKID sy-vline 
WA_CDFSASSGMTFEMETL_STR-MSNESNLTSKNAME sy-vline 
WA_CDFSASSGMTFEMETL_STR-MSNESNLTSKDESCRIPTION sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTSOURCETYPE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTTYPE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPRIORITY sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTSTATUSOBJECT sy-vline 
WA_CDFSASSGMTFEMETL_STR-STATUS sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTSTATUSPROFILE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_CDFSASSGMTFEMETL_STR-STATUSCRITICALITY sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSUSERSTATUSISHIDDEN sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTCOMMENT sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPLANOPERATIONCODEDESC sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPLANOPERATIONCODE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPLANOPERATIONSTATUS sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPLANOPSTSCRITICALITY sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTPLANDELIMITDATE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTCREATIONDATETIME sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTCREATEDBYUSER sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTCHANGEDATETIME sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTLASTCHGDBYUSER sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTFRCELMNTTRNGASSMTDTE sy-vline 
WA_CDFSASSGMTFEMETL_STR-DFSASSGMTFRCELMNTTRNGASSMTBY sy-vline 
WA_CDFSASSGMTFEMETL_STR-EMPLOYEENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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