ABAP Select data from SAP table FICACM_WORKLIST_ROOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FICACM_WORKLIST_ROOT
*  INTO TABLE @DATA(IT_FICACM_WORKLIST_ROOT2).
*--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_FICACM_WORKLIST_ROOT INDEX 1 INTO DATA(WA_FICACM_WORKLIST_ROOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FICACM_WORKLIST_ROOT>-WLITYPE = 1.
<FICACM_WORKLIST_ROOT>-WLIDENT = 1.
<FICACM_WORKLIST_ROOT>-WLICAT = 1.
<FICACM_WORKLIST_ROOT>-DESCR = 1.
<FICACM_WORKLIST_ROOT>-ERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FICACM_WORKLIST_ROOT-ERTIM, sy-vline,
  WA_FICACM_WORKLIST_ROOT-ERNAM, sy-vline,
  WA_FICACM_WORKLIST_ROOT-AEDAT, sy-vline,
  WA_FICACM_WORKLIST_ROOT-AETIM, sy-vline,
  WA_FICACM_WORKLIST_ROOT-AENAM, sy-vline,
  WA_FICACM_WORKLIST_ROOT-WLMODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FICACM_WORKLIST_ROOT 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_FICACM_WORKLIST_ROOT 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_FICACM_WORKLIST_ROOT INTO WA_FICACM_WORKLIST_ROOT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FICACM_WORKLIST_ROOT_STR, 
WLITYPE TYPE STRING,
WLIDENT TYPE STRING,
WLICAT TYPE STRING,
DESCR TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
AENAM TYPE STRING,
WLMODE TYPE STRING,
EXDAT TYPE STRING,
CENTER TYPE STRING,
STATUS TYPE STRING,
STATUSCHECK TYPE STRING,
NUMASSIGN TYPE STRING,
NUMITEMS TYPE STRING,
SCRULE TYPE STRING,
WLTYPE TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
UNIT TYPE STRING,
GRP01 TYPE STRING,
GRP02 TYPE STRING,
TEXT TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
WAERS TYPE STRING,
ASSIGNED_WLI_NUM TYPE STRING,
CENTERNAME TYPE STRING,
UNITNAME TYPE STRING,
CLOSED_WLI_NUM TYPE STRING,
ONHOLD_WLI_NUM TYPE STRING,
NOTASSIGN_WLI_NUM TYPE STRING,
TOTAL_NUM_WLI TYPE STRING,
TOBEPROCESSED_WLI_NUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FICACM_WORKLIST_ROOT_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_FICACM_WORKLIST_ROOT_STR-WLITYPE sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-WLIDENT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-WLICAT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-DESCR sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-ERDAT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-ERTIM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-ERNAM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-AEDAT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-AETIM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-AENAM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-WLMODE sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-EXDAT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-CENTER sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-STATUS sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-STATUSCHECK sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-NUMASSIGN sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-NUMITEMS sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-SCRULE sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-WLTYPE sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-LAUFD sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-LAUFI sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-UNIT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-GRP01 sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-GRP02 sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-TEXT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-TOTAL_AMOUNT sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-WAERS sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-ASSIGNED_WLI_NUM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-CENTERNAME sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-UNITNAME sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-CLOSED_WLI_NUM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-ONHOLD_WLI_NUM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-NOTASSIGN_WLI_NUM sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-TOTAL_NUM_WLI sy-vline 
WA_FICACM_WORKLIST_ROOT_STR-TOBEPROCESSED_WLI_NUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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