ABAP Select data from SAP table DFS_ASSGMT_TGT_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_TGT_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_TGT_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_TGT_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_TGT_S TYPE STANDARD TABLE OF DFS_ASSGMT_TGT_S,
      WA_DFS_ASSGMT_TGT_S TYPE DFS_ASSGMT_TGT_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_TGT_S> TYPE DFS_ASSGMT_TGT_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFS_ASSGMT_TGT_S
*  INTO TABLE @DATA(IT_DFS_ASSGMT_TGT_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_TGT_S INDEX 1 INTO DATA(WA_DFS_ASSGMT_TGT_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFS_ASSGMT_TGT_S>-FORCEELEMENTORGTARGETUUID = 1.
<DFS_ASSGMT_TGT_S>-FORCEELEMENTORGTARGETID = 1.
<DFS_ASSGMT_TGT_S>-FLXBLMATLPLNGOBJECTUUID = 1.
<DFS_ASSGMT_TGT_S>-FLXBLMATLPLNGOBJVARIANTUUID = 1.
<DFS_ASSGMT_TGT_S>-FLXBLMATLPLNGOBJECTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFS_ASSGMT_TGT_S-FLXBLMATLPLNGOBJVARIANTID, sy-vline,
  WA_DFS_ASSGMT_TGT_S-PRODUCT, sy-vline,
  WA_DFS_ASSGMT_TGT_S-DFSCAPABILITYSTATEMENTUUID, sy-vline,
  WA_DFS_ASSGMT_TGT_S-DFSCAPABILITYSTATEMENTID, sy-vline,
  WA_DFS_ASSGMT_TGT_S-MISSIONESSENTIALTASKUUID, sy-vline,
  WA_DFS_ASSGMT_TGT_S-MISSIONESSENTIALTASKID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFS_ASSGMT_TGT_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_TGT_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_TGT_S INTO WA_DFS_ASSGMT_TGT_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 MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_DFS_ASSGMT_TGT_S-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFS_ASSGMT_TGT_S-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_DFS_ASSGMT_TGT_S-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFS_ASSGMT_TGT_S-WBSELEMENTINTERNALID.
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_TGT_S_STR, 
FORCEELEMENTORGTARGETUUID TYPE STRING,
FORCEELEMENTORGTARGETID TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTID TYPE STRING,
PRODUCT TYPE STRING,
DFSCAPABILITYSTATEMENTUUID TYPE STRING,
DFSCAPABILITYSTATEMENTID TYPE STRING,
MISSIONESSENTIALTASKUUID TYPE STRING,
MISSIONESSENTIALTASKID TYPE STRING,
DFSCAPABILITYOBJECTTARGETUUID TYPE STRING,
DFSCAPABILITYOBJECTTARGETID TYPE STRING,
FRCELMNTORGMAINTCAPBLT TYPE STRING,
DFSJOBID TYPE STRING,
EQUIPMENT TYPE STRING,
COSTCENTER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
FRCELMNTORGROTATIONKEY TYPE STRING,
FRCELMNTORGOPEXERCISEID TYPE STRING,
FRCELMNTORGFORCEPROVIDERID TYPE STRING,
FRCELMNTORGINITIALMATLSUPLRID TYPE STRING,
FRCELMNTORGINITIALPERSSUPLRID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFS_ASSGMT_TGT_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_TGT_S_STR-FORCEELEMENTORGTARGETUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FORCEELEMENTORGTARGETID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FLXBLMATLPLNGOBJECTUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FLXBLMATLPLNGOBJECTID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FLXBLMATLPLNGOBJVARIANTID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-PRODUCT sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-DFSCAPABILITYSTATEMENTUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-DFSCAPABILITYSTATEMENTID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-MISSIONESSENTIALTASKUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-MISSIONESSENTIALTASKID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-DFSCAPABILITYOBJECTTARGETUUID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-DFSCAPABILITYOBJECTTARGETID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGMAINTCAPBLT sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-DFSJOBID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-EQUIPMENT sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-COSTCENTER sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-WBSELEMENTINTERNALID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGROTATIONKEY sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGOPEXERCISEID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGFORCEPROVIDERID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGINITIALMATLSUPLRID sy-vline 
WA_DFS_ASSGMT_TGT_S_STR-FRCELMNTORGINITIALPERSSUPLRID sy-vline      INTO ld_text SEPARATED BY SPACE.

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