ABAP Select data from SAP table ISWORKFLOWTEMPLATE_DR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISWORKFLOWTEMPLATE_DR
*  INTO TABLE @DATA(IT_ISWORKFLOWTEMPLATE_DR2).
*--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_ISWORKFLOWTEMPLATE_DR INDEX 1 INTO DATA(WA_ISWORKFLOWTEMPLATE_DR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISWORKFLOWTEMPLATE_DR>-WRKFLWTMPLUUID = 1.
<ISWORKFLOWTEMPLATE_DR>-WRKFLWTMPLID = 1.
<ISWORKFLOWTEMPLATE_DR>-WRKFLWTMPLNAME = 1.
<ISWORKFLOWTEMPLATE_DR>-WRKFLWTMPLNAMESEARCH = 1.
<ISWORKFLOWTEMPLATE_DR>-WRKFLWTMPLNAMESEARCHA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISWORKFLOWTEMPLATE_DR-WRKFLWTMPLNAMESEARCHB, sy-vline,
  WA_ISWORKFLOWTEMPLATE_DR-WRKFLWTMPLNAMESEARCHC, sy-vline,
  WA_ISWORKFLOWTEMPLATE_DR-WRKFLWTMPLNAMESEARCHD, sy-vline,
  WA_ISWORKFLOWTEMPLATE_DR-WRKFLWSCEN, sy-vline,
  WA_ISWORKFLOWTEMPLATE_DR-SAPAPPLICATIONCOMPONENT, sy-vline,
  WA_ISWORKFLOWTEMPLATE_DR-WRKFLWSCENVERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISWORKFLOWTEMPLATE_DR 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_ISWORKFLOWTEMPLATE_DR 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_ISWORKFLOWTEMPLATE_DR INTO WA_ISWORKFLOWTEMPLATE_DR.


*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 ISOLA, internal->external for field WRKFLWTMPLCRTEDLANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISWORKFLOWTEMPLATE_DR-WRKFLWTMPLCRTEDLANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISWORKFLOWTEMPLATE_DR-WRKFLWTMPLCRTEDLANG.
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_ISWORKFLOWTEMPLATE_DR_STR, 
WRKFLWTMPLUUID TYPE STRING,
WRKFLWTMPLID TYPE STRING,
WRKFLWTMPLNAME TYPE STRING,
WRKFLWTMPLNAMESEARCH TYPE STRING,
WRKFLWTMPLNAMESEARCHA TYPE STRING,
WRKFLWTMPLNAMESEARCHB TYPE STRING,
WRKFLWTMPLNAMESEARCHC TYPE STRING,
WRKFLWTMPLNAMESEARCHD TYPE STRING,
WRKFLWSCEN TYPE STRING,
SAPAPPLICATIONCOMPONENT TYPE STRING,
WRKFLWSCENVERS TYPE STRING,
WRKFLWTMPLTYPE TYPE STRING,
WRKFLWTMPLSTAGE TYPE STRING,
WRKFLWTMPLGENERICPRPTY1 TYPE STRING,
WRKFLWTMPLGENERICPRPTY2 TYPE STRING,
WRKFLWTMPLGENERICPRPTY3 TYPE STRING,
WRKFLWTMPLGENERICPRPTY4 TYPE STRING,
WRKFLWTMPLGENERICPRPTY5 TYPE STRING,
WRKFLWTMPLGENERICPRPTY6 TYPE STRING,
WRKFLWTMPLGENERICPRPTY7 TYPE STRING,
WRKFLWTMPLGENERICPRPTY8 TYPE STRING,
WRKFLWTMPLGENERICPRPTY9 TYPE STRING,
WRKFLWTMPLGENERICPRPTY10 TYPE STRING,
WRKFLWTMPLCRTEDLANG TYPE STRING,
WRKFLWTMPLCRTEDUSR TYPE STRING,
WRKFLWTMPLCRTEDUTCDTETME TYPE STRING,
WRKFLWTMPLLASTCHGDUSR TYPE STRING,
WRKFLWTMPLLASTCHGDUTCDTETME TYPE STRING,
WRKFLWTMPLTRANSPORTED TYPE STRING,
ISDELETED TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISWORKFLOWTEMPLATE_DR_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_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLUUID sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLID sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAME sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAMESEARCH sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAMESEARCHA sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAMESEARCHB sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAMESEARCHC sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLNAMESEARCHD sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWSCEN sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-SAPAPPLICATIONCOMPONENT sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWSCENVERS sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLTYPE sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLSTAGE sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY1 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY2 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY3 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY4 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY5 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY6 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY7 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY8 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY9 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLGENERICPRPTY10 sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLCRTEDLANG sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLCRTEDUSR sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLCRTEDUTCDTETME sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLLASTCHGDUSR sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLLASTCHGDUTCDTETME sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-WRKFLWTMPLTRANSPORTED sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-ISDELETED sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-ACTIVEUUID sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-HASACTIVEENTITY sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISWORKFLOWTEMPLATE_DR_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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