ABAP Select data from SAP table IDFSORDERSTRUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDFSORDERSTRUC
*  INTO TABLE @DATA(IT_IDFSORDERSTRUC2).
*--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_IDFSORDERSTRUC INDEX 1 INTO DATA(WA_IDFSORDERSTRUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDFSORDERSTRUC>-MANDT = 1.
<IDFSORDERSTRUC>-EQUIPMENT = 1.
<IDFSORDERSTRUC>-MAINTENANCEORDER = 1.
<IDFSORDERSTRUC>-DFSMAINTTECHSTSAGGRGNISSTPPD = 1.
<IDFSORDERSTRUC>-DFSMAINTEQUIPMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDFSORDERSTRUC-DFSMAINTFUNCTIONALLOCATION, sy-vline,
  WA_IDFSORDERSTRUC-FUNCTIONALLOCATIONNAME, sy-vline,
  WA_IDFSORDERSTRUC-EQUIPMENTNAME, sy-vline,
  WA_IDFSORDERSTRUC-WORKCENTERTEXT, sy-vline,
  WA_IDFSORDERSTRUC-MAINTENANCEORDERDESC, sy-vline,
  WA_IDFSORDERSTRUC-MAINTORDBASICENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDFSORDERSTRUC 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_IDFSORDERSTRUC 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_IDFSORDERSTRUC INTO WA_IDFSORDERSTRUC.


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

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

*Conversion exit TPLNR, internal->external for field DFSMAINTFUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_IDFSORDERSTRUC-DFSMAINTFUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDFSORDERSTRUC-DFSMAINTFUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IDFSORDERSTRUC-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDFSORDERSTRUC-MATERIAL.
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_IDFSORDERSTRUC_STR, 
MANDT TYPE STRING,
EQUIPMENT TYPE STRING,
MAINTENANCEORDER TYPE STRING,
DFSMAINTTECHSTSAGGRGNISSTPPD TYPE STRING,
DFSMAINTEQUIPMENTTYPE TYPE STRING,
DFSMAINTFUNCTIONALLOCATION TYPE STRING,
FUNCTIONALLOCATIONNAME TYPE STRING,
EQUIPMENTNAME TYPE STRING,
WORKCENTERTEXT TYPE STRING,
MAINTENANCEORDERDESC TYPE STRING,
MAINTORDBASICENDDATE TYPE STRING,
MAINTORDBASICENDTIME TYPE STRING,
MAINTORDBASICSTARTDATE TYPE STRING,
MAINTORDBASICSTARTTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
DFSMAINTORDEROBJECTNMBR TYPE STRING,
MAINTENANCEORDERINTERNALID TYPE STRING,
MAINTENANCEORDERTYPE TYPE STRING,
MAINWORKCENTER TYPE STRING,
PLANT TYPE STRING,
MAINWORKCENTERPLANT TYPE STRING,
DFSMAINTORDTECHSTSSHORTNAME TYPE STRING,
DFSMAINTORDTECHSTSLONGNAME TYPE STRING,
DFSMAINTORDERSYSTSTSSHORTNAME TYPE STRING,
DFSMAINTORDTECHSTATUSPROFILE TYPE STRING,
DFSMAINTORDERUSERSTSSHORTNAME TYPE STRING,
DFSMAINTEXPLOSIONTYPE TYPE STRING,
DFSMAINTEQUIPMENTUTILIZERID TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
MAINTENANCEPLANNERGROUPNAME TYPE STRING,
MAINTENANCEACTIVITYTYPE TYPE STRING,
MAINTPRIORITY TYPE STRING,
MAINTPRIORITYDESC TYPE STRING,
DFSMAINTTECHSTSICONURL TYPE STRING,
TECHOBJECTWITHLEADINGZEROS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDFSORDERSTRUC_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_IDFSORDERSTRUC_STR-MANDT sy-vline 
WA_IDFSORDERSTRUC_STR-EQUIPMENT sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEORDER sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTTECHSTSAGGRGNISSTPPD sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTEQUIPMENTTYPE sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTFUNCTIONALLOCATION sy-vline 
WA_IDFSORDERSTRUC_STR-FUNCTIONALLOCATIONNAME sy-vline 
WA_IDFSORDERSTRUC_STR-EQUIPMENTNAME sy-vline 
WA_IDFSORDERSTRUC_STR-WORKCENTERTEXT sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEORDERDESC sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTORDBASICENDDATE sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTORDBASICENDTIME sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTORDBASICSTARTDATE sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTORDBASICSTARTTIME sy-vline 
WA_IDFSORDERSTRUC_STR-CREATEDBYUSER sy-vline 
WA_IDFSORDERSTRUC_STR-CREATIONDATE sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDEROBJECTNMBR sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEORDERINTERNALID sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEORDERTYPE sy-vline 
WA_IDFSORDERSTRUC_STR-MAINWORKCENTER sy-vline 
WA_IDFSORDERSTRUC_STR-PLANT sy-vline 
WA_IDFSORDERSTRUC_STR-MAINWORKCENTERPLANT sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDTECHSTSSHORTNAME sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDTECHSTSLONGNAME sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDERSYSTSTSSHORTNAME sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDTECHSTATUSPROFILE sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTORDERUSERSTSSHORTNAME sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTEXPLOSIONTYPE sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTEQUIPMENTUTILIZERID sy-vline 
WA_IDFSORDERSTRUC_STR-MATERIAL sy-vline 
WA_IDFSORDERSTRUC_STR-MATERIALNAME sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEPLANNERGROUPNAME sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTENANCEACTIVITYTYPE sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTPRIORITY sy-vline 
WA_IDFSORDERSTRUC_STR-MAINTPRIORITYDESC sy-vline 
WA_IDFSORDERSTRUC_STR-DFSMAINTTECHSTSICONURL sy-vline 
WA_IDFSORDERSTRUC_STR-TECHOBJECTWITHLEADINGZEROS sy-vline      INTO ld_text SEPARATED BY SPACE.

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