ABAP Select data from SAP table SXMS_EXT_FIL_DISP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SXMS_EXT_FIL_DISP
*  INTO TABLE @DATA(IT_SXMS_EXT_FIL_DISP2).
*--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_SXMS_EXT_FIL_DISP INDEX 1 INTO DATA(WA_SXMS_EXT_FIL_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SXMS_EXT_FIL_DISP>-CLIENT = 1.
<SXMS_EXT_FIL_DISP>-FILTER_ID = 1.
<SXMS_EXT_FIL_DISP>-SND_PARTY = 1.
<SXMS_EXT_FIL_DISP>-SND_SERVICE = 1.
<SXMS_EXT_FIL_DISP>-RCV_PARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SXMS_EXT_FIL_DISP-RCV_SERVICE, sy-vline,
  WA_SXMS_EXT_FIL_DISP-NAME, sy-vline,
  WA_SXMS_EXT_FIL_DISP-NAMESPACE, sy-vline,
  WA_SXMS_EXT_FIL_DISP-DESCR, sy-vline,
  WA_SXMS_EXT_FIL_DISP-CREATEDBY, sy-vline,
  WA_SXMS_EXT_FIL_DISP-CREATEDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SXMS_EXT_FIL_DISP 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_SXMS_EXT_FIL_DISP 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_SXMS_EXT_FIL_DISP INTO WA_SXMS_EXT_FIL_DISP.


*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_SXMS_EXT_FIL_DISP_STR, 
CLIENT TYPE STRING,
FILTER_ID TYPE STRING,
SND_PARTY TYPE STRING,
SND_SERVICE TYPE STRING,
RCV_PARTY TYPE STRING,
RCV_SERVICE TYPE STRING,
NAME TYPE STRING,
NAMESPACE TYPE STRING,
DESCR TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDDATE TYPE STRING,
CREATEDTIME TYPE STRING,
MODIFIEDBY TYPE STRING,
MODIFYDATE TYPE STRING,
MODIFYTIME TYPE STRING,
ACTIV TYPE STRING,
FILTER_STATE_DISP TYPE STRING,
LINECOLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SXMS_EXT_FIL_DISP_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_SXMS_EXT_FIL_DISP_STR-CLIENT sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-FILTER_ID sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-SND_PARTY sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-SND_SERVICE sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-RCV_PARTY sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-RCV_SERVICE sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-NAME sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-NAMESPACE sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-DESCR sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-CREATEDBY sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-CREATEDDATE sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-CREATEDTIME sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-MODIFIEDBY sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-MODIFYDATE sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-MODIFYTIME sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-ACTIV sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-FILTER_STATE_DISP sy-vline 
WA_SXMS_EXT_FIL_DISP_STR-LINECOLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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