ABAP Select data from SAP table /DSD/SL_FSR_DELFFMT_DEL_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /DSD/SL_FSR_DELFFMT_DEL_HEADER
*  INTO TABLE @DATA(IT_/DSD/SL_FSR_DELFFMT_DEL_HEADER2).
*--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_/DSD/SL_FSR_DELFFMT_DEL_HEADER INDEX 1 INTO DATA(WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</DSD/SL_FSR_DELFFMT_DEL_HEADER>-VBELN = 1.
</DSD/SL_FSR_DELFFMT_DEL_HEADER>-VSTEL = 1.
</DSD/SL_FSR_DELFFMT_DEL_HEADER>-VKORG = 1.
</DSD/SL_FSR_DELFFMT_DEL_HEADER>-LFART = 1.
</DSD/SL_FSR_DELFFMT_DEL_HEADER>-WADAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-WAUHR, sy-vline,
  WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-LDDAT, sy-vline,
  WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-LDUHR, sy-vline,
  WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-LFDAT, sy-vline,
  WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-LFUHR, sy-vline,
  WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-ROUTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER 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_/DSD/SL_FSR_DELFFMT_DEL_HEADER 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_/DSD/SL_FSR_DELFFMT_DEL_HEADER INTO WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNIV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNIV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER-KUNIV.
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_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR, 
VBELN TYPE STRING,
VSTEL TYPE STRING,
VKORG TYPE STRING,
LFART TYPE STRING,
WADAT TYPE STRING,
WAUHR TYPE STRING,
LDDAT TYPE STRING,
LDUHR TYPE STRING,
LFDAT TYPE STRING,
LFUHR TYPE STRING,
ROUTE TYPE STRING,
FAKSK TYPE STRING,
VBTYP TYPE STRING,
KUNNR TYPE STRING,
KUNAG TYPE STRING,
FKARV TYPE STRING,
WAERK TYPE STRING,
VKOIV TYPE STRING,
VTWIV TYPE STRING,
SPAIV TYPE STRING,
FKAIV TYPE STRING,
KUNIV TYPE STRING,
LIFEX TYPE STRING,
WADAT_IST TYPE STRING,
KALSP TYPE STRING,
KNUMP TYPE STRING,
WBSTK TYPE STRING,
FKSTK TYPE STRING,
SPSTG TYPE STRING,
PDSTK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_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_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VBELN sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VSTEL sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VKORG sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LFART sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-WADAT sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-WAUHR sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LDDAT sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LDUHR sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LFDAT sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LFUHR sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-ROUTE sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-FAKSK sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VBTYP sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-KUNNR sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-KUNAG sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-FKARV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-WAERK sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VKOIV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-VTWIV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-SPAIV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-FKAIV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-KUNIV sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-LIFEX sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-WADAT_IST sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-KALSP sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-KNUMP sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-WBSTK sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-FKSTK sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-SPSTG sy-vline 
WA_/DSD/SL_FSR_DELFFMT_DEL_HEADER_STR-PDSTK sy-vline      INTO ld_text SEPARATED BY SPACE.

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