ABAP Select data from SAP table /MOC/S_UI_ACT_ROOT_TREE_PDF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MOC/S_UI_ACT_ROOT_TREE_PDF 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 /MOC/S_UI_ACT_ROOT_TREE_PDF. 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 /MOC/S_UI_ACT_ROOT_TREE_PDF 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_/MOC/S_UI_ACT_ROOT_TREE_PDF TYPE STANDARD TABLE OF /MOC/S_UI_ACT_ROOT_TREE_PDF,
      WA_/MOC/S_UI_ACT_ROOT_TREE_PDF TYPE /MOC/S_UI_ACT_ROOT_TREE_PDF,
      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: </MOC/S_UI_ACT_ROOT_TREE_PDF> TYPE /MOC/S_UI_ACT_ROOT_TREE_PDF.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MOC/S_UI_ACT_ROOT_TREE_PDF
  INTO TABLE IT_/MOC/S_UI_ACT_ROOT_TREE_PDF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MOC/S_UI_ACT_ROOT_TREE_PDF
*  INTO TABLE @DATA(IT_/MOC/S_UI_ACT_ROOT_TREE_PDF2).
*--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_/MOC/S_UI_ACT_ROOT_TREE_PDF INDEX 1 INTO DATA(WA_/MOC/S_UI_ACT_ROOT_TREE_PDF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MOC/S_UI_ACT_ROOT_TREE_PDF ASSIGNING </MOC/S_UI_ACT_ROOT_TREE_PDF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MOC/S_UI_ACT_ROOT_TREE_PDF>-KEY = 1.
</MOC/S_UI_ACT_ROOT_TREE_PDF>-PARENT_KEY = 1.
</MOC/S_UI_ACT_ROOT_TREE_PDF>-ROOT_KEY = 1.
</MOC/S_UI_ACT_ROOT_TREE_PDF>-ACTIVITY_ID = 1.
</MOC/S_UI_ACT_ROOT_TREE_PDF>-ACT_TYPE = 1.

ENDLOOP.

LOOP AT IT_/MOC/S_UI_ACT_ROOT_TREE_PDF INTO WA_/MOC/S_UI_ACT_ROOT_TREE_PDF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-ACT_TYPE_DESCR, sy-vline,
  WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-PAR_ACT_UUID, sy-vline,
  WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-LCYCLE_CD, sy-vline,
  WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-DEFERRAL_CD, sy-vline,
  WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-STATUS_DESCR, sy-vline,
  WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-HAS_SEVERAL_PARTNERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MOC/S_UI_ACT_ROOT_TREE_PDF 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_/MOC/S_UI_ACT_ROOT_TREE_PDF 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_/MOC/S_UI_ACT_ROOT_TREE_PDF INTO WA_/MOC/S_UI_ACT_ROOT_TREE_PDF.


*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 ACTIVITY_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-ACTIVITY_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-ACTIVITY_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTERNATIVE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-ALTERNATIVE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MOC/S_UI_ACT_ROOT_TREE_PDF-ALTERNATIVE_ID.
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_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
ACTIVITY_ID TYPE STRING,
ACT_TYPE TYPE STRING,
ACT_TYPE_DESCR TYPE STRING,
PAR_ACT_UUID TYPE STRING,
LCYCLE_CD TYPE STRING,
DEFERRAL_CD TYPE STRING,
STATUS_DESCR TYPE STRING,
HAS_SEVERAL_PARTNERS TYPE STRING,
SORTNO TYPE STRING,
IS_LEAF TYPE STRING,
EXPANDED TYPE STRING,
IMAGE_SRC TYPE STRING,
CHILDREN_LOADED TYPE STRING,
ACT_ROOT TYPE STRING,
/CPD/MC_GROUP_ID TYPE STRING,
/CPD/MC_ITEM_ID TYPE STRING,
/CPD/MC_OBJECT_ID TYPE STRING,
/CPD/MC_STATUS TYPE STRING,
/CPD/MC_REASON_CODE TYPE STRING,
/CPD/MC_PRIORITY TYPE STRING,
/CPD/MC_SORT_NO TYPE STRING,
ARCHIVING TYPE STRING,
ACT_ITEM_STAT_CD TYPE STRING,
ADMIN_INFO TYPE STRING,
VERSION_GUID TYPE STRING,
MIGRATION_SOURCE TYPE STRING,
ALTERNATIVE_ID TYPE STRING,
ALTERNATIVE_KEY TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
ACT_ROOT_TR TYPE STRING,
ESTIMATED_COST TYPE STRING,
ESTIMATED_COST_CURR TYPE STRING,
ESTIMATED_REVENUE TYPE STRING,
ESTIMATED_REVENUE_CURR TYPE STRING,
ESTIMATED_MARGIN TYPE STRING,
ESTIMATED_MARGIN_CURR TYPE STRING,
ESTIMATED_IMPACT TYPE STRING,
ESTIMATED_QUANTITY TYPE STRING,
STATUS_ICON TYPE STRING,
PARTNER_ICON TYPE STRING,
HIERARCHY_LEVEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_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_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-KEY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-PARENT_KEY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ROOT_KEY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACTIVITY_ID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACT_TYPE sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACT_TYPE_DESCR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-PAR_ACT_UUID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-LCYCLE_CD sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-DEFERRAL_CD sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-STATUS_DESCR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-HAS_SEVERAL_PARTNERS sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-SORTNO sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-IS_LEAF sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-EXPANDED sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-IMAGE_SRC sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-CHILDREN_LOADED sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACT_ROOT sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_GROUP_ID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_ITEM_ID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_OBJECT_ID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_STATUS sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_REASON_CODE sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_PRIORITY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-/CPD/MC_SORT_NO sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ARCHIVING sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACT_ITEM_STAT_CD sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ADMIN_INFO sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-VERSION_GUID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-MIGRATION_SOURCE sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ALTERNATIVE_ID sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ALTERNATIVE_KEY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ARCHIVING_STATUS sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ACT_ROOT_TR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_COST sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_COST_CURR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_REVENUE sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_REVENUE_CURR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_MARGIN sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_MARGIN_CURR sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_IMPACT sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-ESTIMATED_QUANTITY sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-STATUS_ICON sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-PARTNER_ICON sy-vline 
WA_/MOC/S_UI_ACT_ROOT_TREE_PDF_STR-HIERARCHY_LEVEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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