ABAP Select data from SAP table UJW_STATCODE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UJW_STATCODE
*  INTO TABLE @DATA(IT_UJW_STATCODE2).
*--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_UJW_STATCODE INDEX 1 INTO DATA(WA_UJW_STATCODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UJW_STATCODE>-MANDT = 1.
<UJW_STATCODE>-APPSET = 1.
<UJW_STATCODE>-STATUS = 1.
<UJW_STATCODE>-ORDERN = 1.
<UJW_STATCODE>-STATID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UJW_STATCODE-DATAMANAGER, sy-vline,
  WA_UJW_STATCODE-JOURNAL, sy-vline,
  WA_UJW_STATCODE-MANUALINPUT, sy-vline,
  WA_UJW_STATCODE-COMMENTS, sy-vline,
  WA_UJW_STATCODE-SUPPORTDOC, sy-vline,
  WA_UJW_STATCODE-CONTROLLEDBY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UJW_STATCODE 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_UJW_STATCODE 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_UJW_STATCODE INTO WA_UJW_STATCODE.


*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_UJW_STATCODE_STR, 
MANDT TYPE STRING,
APPSET TYPE STRING,
STATUS TYPE STRING,
ORDERN TYPE STRING,
STATID TYPE STRING,
DATAMANAGER TYPE STRING,
JOURNAL TYPE STRING,
MANUALINPUT TYPE STRING,
COMMENTS TYPE STRING,
SUPPORTDOC TYPE STRING,
CONTROLLEDBY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UJW_STATCODE_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_UJW_STATCODE_STR-MANDT sy-vline 
WA_UJW_STATCODE_STR-APPSET sy-vline 
WA_UJW_STATCODE_STR-STATUS sy-vline 
WA_UJW_STATCODE_STR-ORDERN sy-vline 
WA_UJW_STATCODE_STR-STATID sy-vline 
WA_UJW_STATCODE_STR-DATAMANAGER sy-vline 
WA_UJW_STATCODE_STR-JOURNAL sy-vline 
WA_UJW_STATCODE_STR-MANUALINPUT sy-vline 
WA_UJW_STATCODE_STR-COMMENTS sy-vline 
WA_UJW_STATCODE_STR-SUPPORTDOC sy-vline 
WA_UJW_STATCODE_STR-CONTROLLEDBY sy-vline      INTO ld_text SEPARATED BY SPACE.

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