ABAP Select data from SAP table WCSIO5 into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WCSIO5 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 WCSIO5. 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 WCSIO5 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_WCSIO5 TYPE STANDARD TABLE OF WCSIO5,
      WA_WCSIO5 TYPE WCSIO5,
      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: <WCSIO5> TYPE WCSIO5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WCSIO5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WCSIO5
  INTO TABLE IT_WCSIO5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WCSIO5
*  INTO TABLE @DATA(IT_WCSIO52).
*--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_WCSIO5 INDEX 1 INTO DATA(WA_WCSIO52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WCSIO5 ASSIGNING <WCSIO5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WCSIO5>-AUFPL = 1.
<WCSIO5>-BUTTON = 1.
<WCSIO5>-APLZL = 1.
<WCSIO5>-AUFPL = 1.
<WCSIO5>-APLZL = 1.

ENDLOOP.

LOOP AT IT_WCSIO5 INTO WA_WCSIO5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WCSIO5-AUFNR, sy-vline,
  WA_WCSIO5-AUFNR, sy-vline,
  WA_WCSIO5-VORNR, sy-vline,
  WA_WCSIO5-UVORN, sy-vline,
  WA_WCSIO5-VORNR, sy-vline,
  WA_WCSIO5-UVORN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WCSIO5 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_WCSIO5 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_WCSIO5 INTO WA_WCSIO5.


*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 AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-UVORN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_WCSIO5-UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WCSIO5-UVORN.
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_WCSIO5_STR, 
AUFPL TYPE STRING,
BUTTON TYPE STRING,
APLZL TYPE STRING,
AUFPL TYPE STRING,
APLZL TYPE STRING,
AUFNR TYPE STRING,
AUFNR TYPE STRING,
VORNR TYPE STRING,
UVORN TYPE STRING,
VORNR TYPE STRING,
UVORN TYPE STRING,
VTEXT TYPE STRING,
VTEXT TYPE STRING,
VOBJNR TYPE STRING,
VOBJNR TYPE STRING,
VSTTXT TYPE STRING,
VSTTXT TYPE STRING,
VUSRST TYPE STRING,
VUSRST TYPE STRING,
CRNAME TYPE STRING,
DELFLG TYPE STRING,
CRDATE TYPE STRING,
CRNAME TYPE STRING,
CRTIME TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WCSIO5_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_WCSIO5_STR-AUFPL sy-vline 
WA_WCSIO5_STR-BUTTON sy-vline 
WA_WCSIO5_STR-APLZL sy-vline 
WA_WCSIO5_STR-AUFPL sy-vline 
WA_WCSIO5_STR-APLZL sy-vline 
WA_WCSIO5_STR-AUFNR sy-vline 
WA_WCSIO5_STR-AUFNR sy-vline 
WA_WCSIO5_STR-VORNR sy-vline 
WA_WCSIO5_STR-UVORN sy-vline 
WA_WCSIO5_STR-VORNR sy-vline 
WA_WCSIO5_STR-UVORN sy-vline 
WA_WCSIO5_STR-VTEXT sy-vline 
WA_WCSIO5_STR-VTEXT sy-vline 
WA_WCSIO5_STR-VOBJNR sy-vline 
WA_WCSIO5_STR-VOBJNR sy-vline 
WA_WCSIO5_STR-VSTTXT sy-vline 
WA_WCSIO5_STR-VSTTXT sy-vline 
WA_WCSIO5_STR-VUSRST sy-vline 
WA_WCSIO5_STR-VUSRST sy-vline 
WA_WCSIO5_STR-CRNAME sy-vline 
WA_WCSIO5_STR-DELFLG sy-vline 
WA_WCSIO5_STR-CRDATE sy-vline 
WA_WCSIO5_STR-CRNAME sy-vline 
WA_WCSIO5_STR-CRTIME sy-vline 
WA_WCSIO5_STR-CRDATE sy-vline 
WA_WCSIO5_STR-CRTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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