ABAP Select data from SAP table FICACM_WORKLIST_CREATE 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_CREATE 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_CREATE. 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_CREATE 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_CREATE TYPE STANDARD TABLE OF FICACM_WORKLIST_CREATE,
      WA_FICACM_WORKLIST_CREATE TYPE FICACM_WORKLIST_CREATE,
      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_CREATE> TYPE FICACM_WORKLIST_CREATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FICACM_WORKLIST_CREATE
*  INTO TABLE @DATA(IT_FICACM_WORKLIST_CREATE2).
*--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_CREATE INDEX 1 INTO DATA(WA_FICACM_WORKLIST_CREATE2).


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

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

ENDLOOP.

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

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


*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_CREATE_STR, 
MANDT TYPE STRING,
WLIDENT TYPE STRING,
WLITYPE 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,
CENTERTXT TYPE STRING,
UNITTXT TYPE STRING,
AGENTTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FICACM_WORKLIST_CREATE_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_CREATE_STR-MANDT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WLIDENT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WLITYPE sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WLICAT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-DESCR sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-ERDAT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-ERTIM sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-ERNAM sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-AEDAT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-AETIM sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-AENAM sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WLMODE sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-EXDAT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-CENTER sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-STATUS sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-STATUSCHECK sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-NUMASSIGN sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-NUMITEMS sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-SCRULE sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WLTYPE sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-LAUFD sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-LAUFI sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-UNIT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-GRP01 sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-GRP02 sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-TEXT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-TOTAL_AMOUNT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-WAERS sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-ASSIGNED_WLI_NUM sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-CENTERTXT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-UNITTXT sy-vline 
WA_FICACM_WORKLIST_CREATE_STR-AGENTTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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