ABAP Select data from SAP table RCF_S_SEARCH_VALUES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_SEARCH_VALUES
*  INTO TABLE @DATA(IT_RCF_S_SEARCH_VALUES2).
*--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_RCF_S_SEARCH_VALUES INDEX 1 INTO DATA(WA_RCF_S_SEARCH_VALUES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_SEARCH_VALUES>-SM_ELEMENT_NAME = 1.
<RCF_S_SEARCH_VALUES>-SM_ELEMENT = 1.
<RCF_S_SEARCH_VALUES>-SM_ELEMENT_TYPE = 1.
<RCF_S_SEARCH_VALUES>-SMASK_NAME = 1.
<RCF_S_SEARCH_VALUES>-SMASK_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_SEARCH_VALUES-SMASK_TYPE, sy-vline,
  WA_RCF_S_SEARCH_VALUES-VALUE_NAME, sy-vline,
  WA_RCF_S_SEARCH_VALUES-VALUE_KEY, sy-vline,
  WA_RCF_S_SEARCH_VALUES-VALUE_CURR, sy-vline,
  WA_RCF_S_SEARCH_VALUES-PROFICIENCY, sy-vline,
  WA_RCF_S_SEARCH_VALUES-PROFICIENCY_VAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_SEARCH_VALUES 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_RCF_S_SEARCH_VALUES 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_RCF_S_SEARCH_VALUES INTO WA_RCF_S_SEARCH_VALUES.


*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_RCF_S_SEARCH_VALUES_STR, 
SM_ELEMENT_NAME TYPE STRING,
SM_ELEMENT TYPE STRING,
SM_ELEMENT_TYPE TYPE STRING,
SMASK_NAME TYPE STRING,
SMASK_ID TYPE STRING,
SMASK_TYPE TYPE STRING,
VALUE_NAME TYPE STRING,
VALUE_KEY TYPE STRING,
VALUE_CURR TYPE STRING,
PROFICIENCY TYPE STRING,
PROFICIENCY_VAL TYPE STRING,
CURRENCIES TYPE STRING,
PROFICIENCY2 TYPE STRING,
PROFICIENCY_VAL2 TYPE STRING,
PROFICIENCIES TYPE STRING,
IS_MANDATORY TYPE STRING,
OPTIONS TYPE STRING,
OPTION_KEY TYPE STRING,
ADD_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_SEARCH_VALUES_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_RCF_S_SEARCH_VALUES_STR-SM_ELEMENT_NAME sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-SM_ELEMENT sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-SM_ELEMENT_TYPE sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-SMASK_NAME sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-SMASK_ID sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-SMASK_TYPE sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-VALUE_NAME sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-VALUE_KEY sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-VALUE_CURR sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-PROFICIENCY sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-PROFICIENCY_VAL sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-CURRENCIES sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-PROFICIENCY2 sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-PROFICIENCY_VAL2 sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-PROFICIENCIES sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-IS_MANDATORY sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-OPTIONS sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-OPTION_KEY sy-vline 
WA_RCF_S_SEARCH_VALUES_STR-ADD_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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