ABAP Select data from SAP table WDR_SO_S_ATTRIBUTES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WDR_SO_S_ATTRIBUTES
*  INTO TABLE @DATA(IT_WDR_SO_S_ATTRIBUTES2).
*--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_WDR_SO_S_ATTRIBUTES INDEX 1 INTO DATA(WA_WDR_SO_S_ATTRIBUTES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WDR_SO_S_ATTRIBUTES>-ATTRIBUTE = 1.
<WDR_SO_S_ATTRIBUTES>-ATTR_TYPE = 1.
<WDR_SO_S_ATTRIBUTES>-TEXT = 1.
<WDR_SO_S_ATTRIBUTES>-TOOLTIP = 1.
<WDR_SO_S_ATTRIBUTES>-MANDATORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WDR_SO_S_ATTRIBUTES-DISP_INDEX, sy-vline,
  WA_WDR_SO_S_ATTRIBUTES-MAX_1_VALUE, sy-vline,
  WA_WDR_SO_S_ATTRIBUTES-READ_ONLY, sy-vline,
  WA_WDR_SO_S_ATTRIBUTES-HIDDEN, sy-vline,
  WA_WDR_SO_S_ATTRIBUTES-EXCLUDABLE, sy-vline,
  WA_WDR_SO_S_ATTRIBUTES-VALUE_SUGGEST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WDR_SO_S_ATTRIBUTES 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_WDR_SO_S_ATTRIBUTES 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_WDR_SO_S_ATTRIBUTES INTO WA_WDR_SO_S_ATTRIBUTES.


*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_WDR_SO_S_ATTRIBUTES_STR, 
ATTRIBUTE TYPE STRING,
ATTR_TYPE TYPE STRING,
TEXT TYPE STRING,
TOOLTIP TYPE STRING,
MANDATORY TYPE STRING,
DISP_INDEX TYPE STRING,
MAX_1_VALUE TYPE STRING,
READ_ONLY TYPE STRING,
HIDDEN TYPE STRING,
EXCLUDABLE TYPE STRING,
VALUE_SUGGEST TYPE STRING,
SUGGEST_FILTER_METHOD TYPE STRING,
WD_FORMAT TYPE STRING,
NULL_AS_BLANK TYPE STRING,
SIGN_POS TYPE STRING,
CONDENSE TYPE STRING,
DATE_FORMAT TYPE STRING,
SHORT_TIME TYPE STRING,
SUPPRESS_PATTERN_SEARCH TYPE STRING,
DEFAULT_OPERATOR TYPE STRING,
INCLUDE_OPERATORS TYPE STRING,
EXCLUDE_OPERATORS TYPE STRING,
NO_CHECK_ON_OPERATORS TYPE STRING,
OPERATOR_READ_ONLY TYPE STRING,
MULTI_VALUE TYPE STRING,
STRUCTURE TYPE STRING,
DELIMITER TYPE STRING,
MAX_ROWS TYPE STRING,
DIRECT_EDITABLE TYPE STRING,
DESIGN TYPE STRING,
WRAPPING TYPE STRING,
DATAELEMENT TYPE STRING,
REF_TABLE TYPE STRING,
REF_FIELD TYPE STRING,
RTTI_TYPE TYPE STRING,
VALUE_SET TYPE STRING,
VALUE_HELP_MODE TYPE STRING,
DDIC_SHLP_NAME TYPE STRING,
REF_ATTRIBUTE TYPE STRING,
REF_FIELD_TYPE TYPE STRING,
WD_VALUE_HELP TYPE STRING,
INPUT_PROMPT TYPE STRING,
REL_DATE TYPE STRING,
VALUES TYPE STRING,
SHOW_AS_TOKEN TYPE STRING,
TOKEN TYPE STRING,
EXTERNAL_KEY TYPE STRING,
VALIDATING_INSTANCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WDR_SO_S_ATTRIBUTES_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_WDR_SO_S_ATTRIBUTES_STR-ATTRIBUTE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-ATTR_TYPE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-TEXT sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-TOOLTIP sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-MANDATORY sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DISP_INDEX sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-MAX_1_VALUE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-READ_ONLY sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-HIDDEN sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-EXCLUDABLE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-VALUE_SUGGEST sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-SUGGEST_FILTER_METHOD sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-WD_FORMAT sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-NULL_AS_BLANK sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-SIGN_POS sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-CONDENSE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DATE_FORMAT sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-SHORT_TIME sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-SUPPRESS_PATTERN_SEARCH sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DEFAULT_OPERATOR sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-INCLUDE_OPERATORS sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-EXCLUDE_OPERATORS sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-NO_CHECK_ON_OPERATORS sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-OPERATOR_READ_ONLY sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-MULTI_VALUE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-STRUCTURE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DELIMITER sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-MAX_ROWS sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DIRECT_EDITABLE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DESIGN sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-WRAPPING sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DATAELEMENT sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-REF_TABLE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-REF_FIELD sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-RTTI_TYPE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-VALUE_SET sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-VALUE_HELP_MODE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-DDIC_SHLP_NAME sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-REF_ATTRIBUTE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-REF_FIELD_TYPE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-WD_VALUE_HELP sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-INPUT_PROMPT sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-REL_DATE sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-VALUES sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-SHOW_AS_TOKEN sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-TOKEN sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-EXTERNAL_KEY sy-vline 
WA_WDR_SO_S_ATTRIBUTES_STR-VALIDATING_INSTANCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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