ABAP Select data from SAP table RN1PREC_ADV_SEARCH_ATTR_DSTORE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1PREC_ADV_SEARCH_ATTR_DSTORE 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 RN1PREC_ADV_SEARCH_ATTR_DSTORE. 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 RN1PREC_ADV_SEARCH_ATTR_DSTORE 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_RN1PREC_ADV_SEARCH_ATTR_DSTORE TYPE STANDARD TABLE OF RN1PREC_ADV_SEARCH_ATTR_DSTORE,
      WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE TYPE RN1PREC_ADV_SEARCH_ATTR_DSTORE,
      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: <RN1PREC_ADV_SEARCH_ATTR_DSTORE> TYPE RN1PREC_ADV_SEARCH_ATTR_DSTORE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1PREC_ADV_SEARCH_ATTR_DSTORE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1PREC_ADV_SEARCH_ATTR_DSTORE
  INTO TABLE IT_RN1PREC_ADV_SEARCH_ATTR_DSTORE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1PREC_ADV_SEARCH_ATTR_DSTORE
*  INTO TABLE @DATA(IT_RN1PREC_ADV_SEARCH_ATTR_DSTORE2).
*--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_RN1PREC_ADV_SEARCH_ATTR_DSTORE INDEX 1 INTO DATA(WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1PREC_ADV_SEARCH_ATTR_DSTORE ASSIGNING <RN1PREC_ADV_SEARCH_ATTR_DSTORE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1PREC_ADV_SEARCH_ATTR_DSTORE>-ATTRIBUTE_COUNTER = 1.
<RN1PREC_ADV_SEARCH_ATTR_DSTORE>-ATTRIBUTE_NAME = 1.
<RN1PREC_ADV_SEARCH_ATTR_DSTORE>-LABEL_VALUE = 1.
<RN1PREC_ADV_SEARCH_ATTR_DSTORE>-OPERATOR = 1.
<RN1PREC_ADV_SEARCH_ATTR_DSTORE>-VALUE = 1.

ENDLOOP.

LOOP AT IT_RN1PREC_ADV_SEARCH_ATTR_DSTORE INTO WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-VALUE_TO, sy-vline,
  WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-VALUE_F4, sy-vline,
  WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-VALUE_F4_TO, sy-vline,
  WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-F4_HELP_SUPPORTED, sy-vline,
  WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-DATE_FROM, sy-vline,
  WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-DATE_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE 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_RN1PREC_ADV_SEARCH_ATTR_DSTORE 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_RN1PREC_ADV_SEARCH_ATTR_DSTORE INTO WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE.


*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 DTYPE, internal->external for field TYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE-TYPE.
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_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR, 
ATTRIBUTE_COUNTER TYPE STRING,
ATTRIBUTE_NAME TYPE STRING,
LABEL_VALUE TYPE STRING,
OPERATOR TYPE STRING,
VALUE TYPE STRING,
VALUE_TO TYPE STRING,
VALUE_F4 TYPE STRING,
VALUE_F4_TO TYPE STRING,
F4_HELP_SUPPORTED TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
TYPE TYPE STRING,
INT_TYPE TYPE STRING,
CONVERSION_EXIT_ID TYPE STRING,
TOOLTIP_LABEL TYPE STRING,
ATTRIBUTE_TYPE TYPE STRING,
IS_CA TYPE STRING,
CONTAINS_TEXT TYPE STRING,
SEMANTIC TYPE STRING,
LENGTH TYPE STRING,
DECIMALS TYPE STRING,
INT_LENGTH TYPE STRING,
GROUP_ATTRIBUTES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_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_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-ATTRIBUTE_COUNTER sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-ATTRIBUTE_NAME sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-LABEL_VALUE sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-OPERATOR sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-VALUE sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-VALUE_TO sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-VALUE_F4 sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-VALUE_F4_TO sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-F4_HELP_SUPPORTED sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-DATE_FROM sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-DATE_TO sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-TYPE sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-INT_TYPE sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-CONVERSION_EXIT_ID sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-TOOLTIP_LABEL sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-ATTRIBUTE_TYPE sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-IS_CA sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-CONTAINS_TEXT sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-SEMANTIC sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-LENGTH sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-DECIMALS sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-INT_LENGTH sy-vline 
WA_RN1PREC_ADV_SEARCH_ATTR_DSTORE_STR-GROUP_ATTRIBUTES sy-vline      INTO ld_text SEPARATED BY SPACE.

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