ABAP Select data from SAP table /IWBEP/S_SNWD_SO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IWBEP/S_SNWD_SO
*  INTO TABLE @DATA(IT_/IWBEP/S_SNWD_SO2).
*--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_/IWBEP/S_SNWD_SO INDEX 1 INTO DATA(WA_/IWBEP/S_SNWD_SO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IWBEP/S_SNWD_SO>-CLIENT = 1.
</IWBEP/S_SNWD_SO>-NODE_KEY = 1.
</IWBEP/S_SNWD_SO>-SO_ID = 1.
</IWBEP/S_SNWD_SO>-CREATED_BY = 1.
</IWBEP/S_SNWD_SO>-CREATED_AT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IWBEP/S_SNWD_SO-CHANGED_BY, sy-vline,
  WA_/IWBEP/S_SNWD_SO-CHANGED_AT, sy-vline,
  WA_/IWBEP/S_SNWD_SO-CREATED_BY_BP, sy-vline,
  WA_/IWBEP/S_SNWD_SO-CHANGED_BY_BP, sy-vline,
  WA_/IWBEP/S_SNWD_SO-NOTE_GUID, sy-vline,
  WA_/IWBEP/S_SNWD_SO-BUYER_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IWBEP/S_SNWD_SO 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_/IWBEP/S_SNWD_SO 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_/IWBEP/S_SNWD_SO INTO WA_/IWBEP/S_SNWD_SO.


*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_/IWBEP/S_SNWD_SO_STR, 
CLIENT TYPE STRING,
NODE_KEY TYPE STRING,
SO_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CREATED_BY_BP TYPE STRING,
CHANGED_BY_BP TYPE STRING,
NOTE_GUID TYPE STRING,
BUYER_GUID TYPE STRING,
CURRENCY_CODE TYPE STRING,
GROSS_AMOUNT TYPE STRING,
NET_AMOUNT TYPE STRING,
TAX_AMOUNT TYPE STRING,
LIFECYCLE_STATUS TYPE STRING,
BILLING_STATUS TYPE STRING,
DELIVERY_STATUS TYPE STRING,
OP_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IWBEP/S_SNWD_SO_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_/IWBEP/S_SNWD_SO_STR-CLIENT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-NODE_KEY sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-SO_ID sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CREATED_BY sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CREATED_AT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CHANGED_BY sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CHANGED_AT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CREATED_BY_BP sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CHANGED_BY_BP sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-NOTE_GUID sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-BUYER_GUID sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-CURRENCY_CODE sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-GROSS_AMOUNT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-NET_AMOUNT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-TAX_AMOUNT sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-LIFECYCLE_STATUS sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-BILLING_STATUS sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-DELIVERY_STATUS sy-vline 
WA_/IWBEP/S_SNWD_SO_STR-OP_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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