ABAP Select data from SAP table CDFSASSGMTCAPS2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CDFSASSGMTCAPS2 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 CDFSASSGMTCAPS2. 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 CDFSASSGMTCAPS2 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_CDFSASSGMTCAPS2 TYPE STANDARD TABLE OF CDFSASSGMTCAPS2,
      WA_CDFSASSGMTCAPS2 TYPE CDFSASSGMTCAPS2,
      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: <CDFSASSGMTCAPS2> TYPE CDFSASSGMTCAPS2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CDFSASSGMTCAPS2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CDFSASSGMTCAPS2
  INTO TABLE IT_CDFSASSGMTCAPS2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDFSASSGMTCAPS2
*  INTO TABLE @DATA(IT_CDFSASSGMTCAPS22).
*--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_CDFSASSGMTCAPS2 INDEX 1 INTO DATA(WA_CDFSASSGMTCAPS22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CDFSASSGMTCAPS2 ASSIGNING <CDFSASSGMTCAPS2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDFSASSGMTCAPS2>-MANDT = 1.
<CDFSASSGMTCAPS2>-DFSASSGMTUUID = 1.
<CDFSASSGMTCAPS2>-DFSCAPABILITYSTATEMENTUUID = 1.
<CDFSASSGMTCAPS2>-DFSCAPABILITYSTATEMENTID = 1.
<CDFSASSGMTCAPS2>-DFSCAPABILITYOBJECTUUID = 1.

ENDLOOP.

LOOP AT IT_CDFSASSGMTCAPS2 INTO WA_CDFSASSGMTCAPS2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDFSASSGMTCAPS2-DFSCAPABILITYOBJECTID, sy-vline,
  WA_CDFSASSGMTCAPS2-DFSCAPBLTOBJNAME, sy-vline,
  WA_CDFSASSGMTCAPS2-DFSCAPBLTOBJDESCRIPTION, sy-vline,
  WA_CDFSASSGMTCAPS2-DFSASSGMTCREATIONDATETIME, sy-vline,
  WA_CDFSASSGMTCAPS2-DFSASSGMTCREATEDBYUSER, sy-vline,
  WA_CDFSASSGMTCAPS2-DFSASSGMTCHANGEDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDFSASSGMTCAPS2 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_CDFSASSGMTCAPS2 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_CDFSASSGMTCAPS2 INTO WA_CDFSASSGMTCAPS2.


*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 DFSCAPABILITYSTATEMENTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDFSASSGMTCAPS2-DFSCAPABILITYSTATEMENTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDFSASSGMTCAPS2-DFSCAPABILITYSTATEMENTID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DFSCAPABILITYOBJECTID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDFSASSGMTCAPS2-DFSCAPABILITYOBJECTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDFSASSGMTCAPS2-DFSCAPABILITYOBJECTID.
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_CDFSASSGMTCAPS2_STR, 
MANDT TYPE STRING,
DFSASSGMTUUID TYPE STRING,
DFSCAPABILITYSTATEMENTUUID TYPE STRING,
DFSCAPABILITYSTATEMENTID TYPE STRING,
DFSCAPABILITYOBJECTUUID TYPE STRING,
DFSCAPABILITYOBJECTID TYPE STRING,
DFSCAPBLTOBJNAME TYPE STRING,
DFSCAPBLTOBJDESCRIPTION TYPE STRING,
DFSASSGMTCREATIONDATETIME TYPE STRING,
DFSASSGMTCREATEDBYUSER TYPE STRING,
DFSASSGMTCHANGEDATETIME TYPE STRING,
DFSASSGMTLASTCHGDBYUSER TYPE STRING,
DFSASSGMTSOURCETYPE TYPE STRING,
DFSASSGMTTYPE TYPE STRING,
DFSASSGMTSTATUSOBJECT TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
STATUS TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTUSAGETYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDFSASSGMTCAPS2_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_CDFSASSGMTCAPS2_STR-MANDT sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTUUID sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPABILITYSTATEMENTUUID sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPABILITYSTATEMENTID sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPABILITYOBJECTUUID sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPABILITYOBJECTID sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPBLTOBJNAME sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSCAPBLTOBJDESCRIPTION sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTCREATIONDATETIME sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTCREATEDBYUSER sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTCHANGEDATETIME sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTLASTCHGDBYUSER sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTSOURCETYPE sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTTYPE sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTSTATUSOBJECT sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_CDFSASSGMTCAPS2_STR-STATUS sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_CDFSASSGMTCAPS2_STR-DFSASSGMTUSAGETYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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