ABAP Select data from SAP table DFS_ASSGMT_ATTR_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFS_ASSGMT_ATTR_S
*  INTO TABLE @DATA(IT_DFS_ASSGMT_ATTR_S2).
*--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_DFS_ASSGMT_ATTR_S INDEX 1 INTO DATA(WA_DFS_ASSGMT_ATTR_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFS_ASSGMT_ATTR_S>-DFSASSGMTSOURCEOBJECTUUID = 1.
<DFS_ASSGMT_ATTR_S>-DFSASSGMTSOURCEOBJECTTYPE = 1.
<DFS_ASSGMT_ATTR_S>-DFSASSGMTSTATUSPROFILE = 1.
<DFS_ASSGMT_ATTR_S>-DFSASSGMTUSAGETYPE = 1.
<DFS_ASSGMT_ATTR_S>-DFSASSGMTSOURCETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFS_ASSGMT_ATTR_S-DFSASSGMTTYPE, sy-vline,
  WA_DFS_ASSGMT_ATTR_S-DFSASSGMTVALDTYSTRTDATE, sy-vline,
  WA_DFS_ASSGMT_ATTR_S-DFSASSGMTVALDTYSTRTTIME, sy-vline,
  WA_DFS_ASSGMT_ATTR_S-DFSASSGMTVALDTYENDDATE, sy-vline,
  WA_DFS_ASSGMT_ATTR_S-DFSASSGMTVALDTYENDTIME, sy-vline,
  WA_DFS_ASSGMT_ATTR_S-DFSASSGMTVALDTYTIMEZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFS_ASSGMT_ATTR_S 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_DFS_ASSGMT_ATTR_S 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_DFS_ASSGMT_ATTR_S INTO WA_DFS_ASSGMT_ATTR_S.


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

*Conversion exit MATN1, internal->external for field DFSPRODASSGDTOLEADINGPLTFRMID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_DFS_ASSGMT_ATTR_S-DFSPRODASSGDTOLEADINGPLTFRMID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFS_ASSGMT_ATTR_S-DFSPRODASSGDTOLEADINGPLTFRMID.
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_DFS_ASSGMT_ATTR_S_STR, 
DFSASSGMTSOURCEOBJECTUUID TYPE STRING,
DFSASSGMTSOURCEOBJECTTYPE TYPE STRING,
DFSASSGMTSTATUSPROFILE TYPE STRING,
DFSASSGMTUSAGETYPE TYPE STRING,
DFSASSGMTSOURCETYPE TYPE STRING,
DFSASSGMTTYPE TYPE STRING,
DFSASSGMTVALDTYSTRTDATE TYPE STRING,
DFSASSGMTVALDTYSTRTTIME TYPE STRING,
DFSASSGMTVALDTYENDDATE TYPE STRING,
DFSASSGMTVALDTYENDTIME TYPE STRING,
DFSASSGMTVALDTYTIMEZONE TYPE STRING,
DFSASSGMTSTATUSOBJECT TYPE STRING,
DFSASSGMTSTATUSCODE TYPE STRING,
DFSASSGMTPLANSTATUSOBJECT TYPE STRING,
DFSASSGMTPLANOPERATIONCODE TYPE STRING,
DFSASSGMTPLANDELIMITDATE TYPE STRING,
DFSASSGMTPLANDELIMITTIME TYPE STRING,
DFSASSGMTLOGICALSYSTEM TYPE STRING,
DFSASSGMTCOMMENT TYPE STRING,
DFSASSGMTPRIORITY TYPE STRING,
DFSASSGMTCREATIONDATETIME TYPE STRING,
DFSASSGMTCREATEDBYUSER TYPE STRING,
DFSASSGMTCHANGEDATETIME TYPE STRING,
DFSASSGMTLASTCHGDBYUSER TYPE STRING,
DFSASSGMTISDEFAULTASSIGNMENT TYPE STRING,
DFSASSGMTDAMAGETYPE TYPE STRING,
DFSASSGMTEXTERNALPRODUCTGROUP TYPE STRING,
DFSASSGMTNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMINNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMAXNMBROFASSGDMATL TYPE STRING,
DFSASSGMTMATERIALINDICATORCODE TYPE STRING,
DFSASSGMTCORRECTIONVALUE TYPE STRING,
DFSASSGMTCORRECTIONREASON TYPE STRING,
DFSASSGMTMATERIALWEIGHTINGRATE TYPE STRING,
DFSASSGMTISMANDFORRDNSSCALC TYPE STRING,
DFSASSGMTISUSEDFORMASSMATLPLNG TYPE STRING,
DFSASSGMTMATERIALCATEGORY TYPE STRING,
DFSASSGMTINITIALSUPPLYSTATUS TYPE STRING,
DFSASSGMTISOWNPROVISION TYPE STRING,
DFSCAPBLTSTMNTSQNCNMBR TYPE STRING,
DFSCAPBLTSTMNTTYPE TYPE STRING,
DFSASSGMTFRCELMNTTRNGASSMTDTE TYPE STRING,
DFSASSGMTFRCELMNTTRNGASSMTBY TYPE STRING,
DFSISACCREDITINGMSNESNLTSK TYPE STRING,
DFSPLATFORMDETAILSTEXT TYPE STRING,
DFSPLATFORMEXTENSION TYPE STRING,
DFSMAINTPLTFRMISLEADPLTFRM TYPE STRING,
CONTROLLINGAREA TYPE STRING,
DFSPRODASSGDTOLEADINGPLTFRMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFS_ASSGMT_ATTR_S_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_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSOURCEOBJECTUUID sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSOURCEOBJECTTYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSTATUSPROFILE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTUSAGETYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSOURCETYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTTYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTVALDTYSTRTDATE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTVALDTYSTRTTIME sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTVALDTYENDDATE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTVALDTYENDTIME sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTVALDTYTIMEZONE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSTATUSOBJECT sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTSTATUSCODE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTPLANSTATUSOBJECT sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTPLANOPERATIONCODE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTPLANDELIMITDATE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTPLANDELIMITTIME sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTLOGICALSYSTEM sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCOMMENT sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTPRIORITY sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCREATIONDATETIME sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCREATEDBYUSER sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCHANGEDATETIME sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTLASTCHGDBYUSER sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTISDEFAULTASSIGNMENT sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTDAMAGETYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTEXTERNALPRODUCTGROUP sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTNMBROFASSGDMATL sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTMINNMBROFASSGDMATL sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTMAXNMBROFASSGDMATL sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTMATERIALINDICATORCODE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCORRECTIONVALUE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTCORRECTIONREASON sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTMATERIALWEIGHTINGRATE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTISMANDFORRDNSSCALC sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTISUSEDFORMASSMATLPLNG sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTMATERIALCATEGORY sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTINITIALSUPPLYSTATUS sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTISOWNPROVISION sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSCAPBLTSTMNTSQNCNMBR sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSCAPBLTSTMNTTYPE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTFRCELMNTTRNGASSMTDTE sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSASSGMTFRCELMNTTRNGASSMTBY sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSISACCREDITINGMSNESNLTSK sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSPLATFORMDETAILSTEXT sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSPLATFORMEXTENSION sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSMAINTPLTFRMISLEADPLTFRM sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-CONTROLLINGAREA sy-vline 
WA_DFS_ASSGMT_ATTR_S_STR-DFSPRODASSGDTOLEADINGPLTFRMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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