ABAP Select data from SAP table EEDMSETTLUNIT_SCREEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EEDMSETTLUNIT_SCREEN
*  INTO TABLE @DATA(IT_EEDMSETTLUNIT_SCREEN2).
*--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_EEDMSETTLUNIT_SCREEN INDEX 1 INTO DATA(WA_EEDMSETTLUNIT_SCREEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EEDMSETTLUNIT_SCREEN>-HEAD = 1.
<EEDMSETTLUNIT_SCREEN>-SETTLUNIT = 1.
<EEDMSETTLUNIT_SCREEN>-SETTLUNITTXT = 1.
<EEDMSETTLUNIT_SCREEN>-DATEFROM = 1.
<EEDMSETTLUNIT_SCREEN>-TIMEFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EEDMSETTLUNIT_SCREEN-DATETO, sy-vline,
  WA_EEDMSETTLUNIT_SCREEN-TIMETO, sy-vline,
  WA_EEDMSETTLUNIT_SCREEN-SPARTYP, sy-vline,
  WA_EEDMSETTLUNIT_SCREEN-SETTLCOORD, sy-vline,
  WA_EEDMSETTLUNIT_SCREEN-SETTLCOORDTXT, sy-vline,
  WA_EEDMSETTLUNIT_SCREEN-SETTLTRANSCO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EEDMSETTLUNIT_SCREEN 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_EEDMSETTLUNIT_SCREEN 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_EEDMSETTLUNIT_SCREEN INTO WA_EEDMSETTLUNIT_SCREEN.


*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_EEDMSETTLUNIT_SCREEN_STR, 
HEAD TYPE STRING,
SETTLUNIT TYPE STRING,
SETTLUNITTXT TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
SPARTYP TYPE STRING,
SETTLCOORD TYPE STRING,
SETTLCOORDTXT TYPE STRING,
SETTLTRANSCO TYPE STRING,
SETTLTRANSCOTXT TYPE STRING,
SETTLSUPPLIER TYPE STRING,
SETTLSUPPLIERTXT TYPE STRING,
SETTLUNITGEN TYPE STRING,
SUNITCAT TYPE STRING,
SUNITCATTXT TYPE STRING,
SETTLVIEW TYPE STRING,
SETTLVIEWTXT TYPE STRING,
SETTLUNITEXT TYPE STRING,
SETTLUNITGRID TYPE STRING,
SETTLUNITGRIDTXT TYPE STRING,
SETTLUNITRESP TYPE STRING,
SETTLUNITRESPTXT TYPE STRING,
SETTLVIEWADD TYPE STRING,
WHIST TYPE STRING,
SETTLUNIT TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
TOPSETTLUNIT TYPE STRING,
TOPSETTLUNITTXT TYPE STRING,
SETTLVIEW TYPE STRING,
ASSIGNREASON TYPE STRING,
ASSIGNREASON_TXT TYPE STRING,
INSERT_WHIST TYPE STRING,
IHIST TYPE STRING,
POD TYPE STRING,
INT_UI TYPE STRING,
EXT_UI TYPE STRING,
EXT_UI_EXPANDED TYPE STRING,
UITEXT TYPE STRING,
CI TYPE STRING,
DUMMY TYPE STRING,
CNTR TYPE STRING,
ERROR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EEDMSETTLUNIT_SCREEN_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_EEDMSETTLUNIT_SCREEN_STR-HEAD sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNIT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-DATEFROM sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TIMEFROM sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-DATETO sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TIMETO sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SPARTYP sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLCOORD sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLCOORDTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLTRANSCO sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLTRANSCOTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLSUPPLIER sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLSUPPLIERTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITGEN sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SUNITCAT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SUNITCATTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLVIEW sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLVIEWTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITEXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITGRID sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITGRIDTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITRESP sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNITRESPTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLVIEWADD sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-WHIST sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLUNIT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-DATEFROM sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TIMEFROM sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-DATETO sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TIMETO sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TOPSETTLUNIT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-TOPSETTLUNITTXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-SETTLVIEW sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-ASSIGNREASON sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-ASSIGNREASON_TXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-INSERT_WHIST sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-IHIST sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-POD sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-INT_UI sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-EXT_UI sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-EXT_UI_EXPANDED sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-UITEXT sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-CI sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-DUMMY sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-CNTR sy-vline 
WA_EEDMSETTLUNIT_SCREEN_STR-ERROR sy-vline      INTO ld_text SEPARATED BY SPACE.

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