ABAP Select data from SAP table WIW_RESULT_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WIW_RESULT_STR
*  INTO TABLE @DATA(IT_WIW_RESULT_STR2).
*--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_WIW_RESULT_STR INDEX 1 INTO DATA(WA_WIW_RESULT_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WIW_RESULT_STR>-PER_NR = 1.
<WIW_RESULT_STR>-DIAL_NUMBER = 1.
<WIW_RESULT_STR>-DIAL_COUNTRY = 1.
<WIW_RESULT_STR>-ORG_UNIT = 1.
<WIW_RESULT_STR>-SYUNAME_SELEC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WIW_RESULT_STR-F1, sy-vline,
  WA_WIW_RESULT_STR-F2, sy-vline,
  WA_WIW_RESULT_STR-F3, sy-vline,
  WA_WIW_RESULT_STR-F4, sy-vline,
  WA_WIW_RESULT_STR-F5, sy-vline,
  WA_WIW_RESULT_STR-F6, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WIW_RESULT_STR 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_WIW_RESULT_STR 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_WIW_RESULT_STR INTO WA_WIW_RESULT_STR.


*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_WIW_RESULT_STR_STR, 
PER_NR TYPE STRING,
DIAL_NUMBER TYPE STRING,
DIAL_COUNTRY TYPE STRING,
ORG_UNIT TYPE STRING,
SYUNAME_SELEC TYPE STRING,
F1 TYPE STRING,
F2 TYPE STRING,
F3 TYPE STRING,
F4 TYPE STRING,
F5 TYPE STRING,
F6 TYPE STRING,
F7 TYPE STRING,
F8 TYPE STRING,
F9 TYPE STRING,
F10 TYPE STRING,
F11 TYPE STRING,
F12 TYPE STRING,
F13 TYPE STRING,
F14 TYPE STRING,
F15 TYPE STRING,
F16 TYPE STRING,
F17 TYPE STRING,
F18 TYPE STRING,
F19 TYPE STRING,
F20 TYPE STRING,
F21 TYPE STRING,
F22 TYPE STRING,
F23 TYPE STRING,
F24 TYPE STRING,
F25 TYPE STRING,
F26 TYPE STRING,
F27 TYPE STRING,
F28 TYPE STRING,
F29 TYPE STRING,
F30 TYPE STRING,
F31 TYPE STRING,
F32 TYPE STRING,
F33 TYPE STRING,
F34 TYPE STRING,
F35 TYPE STRING,
F36 TYPE STRING,
F37 TYPE STRING,
F38 TYPE STRING,
F39 TYPE STRING,
F40 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WIW_RESULT_STR_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_WIW_RESULT_STR_STR-PER_NR sy-vline 
WA_WIW_RESULT_STR_STR-DIAL_NUMBER sy-vline 
WA_WIW_RESULT_STR_STR-DIAL_COUNTRY sy-vline 
WA_WIW_RESULT_STR_STR-ORG_UNIT sy-vline 
WA_WIW_RESULT_STR_STR-SYUNAME_SELEC sy-vline 
WA_WIW_RESULT_STR_STR-F1 sy-vline 
WA_WIW_RESULT_STR_STR-F2 sy-vline 
WA_WIW_RESULT_STR_STR-F3 sy-vline 
WA_WIW_RESULT_STR_STR-F4 sy-vline 
WA_WIW_RESULT_STR_STR-F5 sy-vline 
WA_WIW_RESULT_STR_STR-F6 sy-vline 
WA_WIW_RESULT_STR_STR-F7 sy-vline 
WA_WIW_RESULT_STR_STR-F8 sy-vline 
WA_WIW_RESULT_STR_STR-F9 sy-vline 
WA_WIW_RESULT_STR_STR-F10 sy-vline 
WA_WIW_RESULT_STR_STR-F11 sy-vline 
WA_WIW_RESULT_STR_STR-F12 sy-vline 
WA_WIW_RESULT_STR_STR-F13 sy-vline 
WA_WIW_RESULT_STR_STR-F14 sy-vline 
WA_WIW_RESULT_STR_STR-F15 sy-vline 
WA_WIW_RESULT_STR_STR-F16 sy-vline 
WA_WIW_RESULT_STR_STR-F17 sy-vline 
WA_WIW_RESULT_STR_STR-F18 sy-vline 
WA_WIW_RESULT_STR_STR-F19 sy-vline 
WA_WIW_RESULT_STR_STR-F20 sy-vline 
WA_WIW_RESULT_STR_STR-F21 sy-vline 
WA_WIW_RESULT_STR_STR-F22 sy-vline 
WA_WIW_RESULT_STR_STR-F23 sy-vline 
WA_WIW_RESULT_STR_STR-F24 sy-vline 
WA_WIW_RESULT_STR_STR-F25 sy-vline 
WA_WIW_RESULT_STR_STR-F26 sy-vline 
WA_WIW_RESULT_STR_STR-F27 sy-vline 
WA_WIW_RESULT_STR_STR-F28 sy-vline 
WA_WIW_RESULT_STR_STR-F29 sy-vline 
WA_WIW_RESULT_STR_STR-F30 sy-vline 
WA_WIW_RESULT_STR_STR-F31 sy-vline 
WA_WIW_RESULT_STR_STR-F32 sy-vline 
WA_WIW_RESULT_STR_STR-F33 sy-vline 
WA_WIW_RESULT_STR_STR-F34 sy-vline 
WA_WIW_RESULT_STR_STR-F35 sy-vline 
WA_WIW_RESULT_STR_STR-F36 sy-vline 
WA_WIW_RESULT_STR_STR-F37 sy-vline 
WA_WIW_RESULT_STR_STR-F38 sy-vline 
WA_WIW_RESULT_STR_STR-F39 sy-vline 
WA_WIW_RESULT_STR_STR-F40 sy-vline      INTO ld_text SEPARATED BY SPACE.

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