ABAP Select data from SAP table /IXOS/DC_S_RENDER_DATA_RFC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /IXOS/DC_S_RENDER_DATA_RFC 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 /IXOS/DC_S_RENDER_DATA_RFC. 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 /IXOS/DC_S_RENDER_DATA_RFC 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_/IXOS/DC_S_RENDER_DATA_RFC TYPE STANDARD TABLE OF /IXOS/DC_S_RENDER_DATA_RFC,
      WA_/IXOS/DC_S_RENDER_DATA_RFC TYPE /IXOS/DC_S_RENDER_DATA_RFC,
      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: </IXOS/DC_S_RENDER_DATA_RFC> TYPE /IXOS/DC_S_RENDER_DATA_RFC.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /IXOS/DC_S_RENDER_DATA_RFC
  INTO TABLE IT_/IXOS/DC_S_RENDER_DATA_RFC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IXOS/DC_S_RENDER_DATA_RFC
*  INTO TABLE @DATA(IT_/IXOS/DC_S_RENDER_DATA_RFC2).
*--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_/IXOS/DC_S_RENDER_DATA_RFC INDEX 1 INTO DATA(WA_/IXOS/DC_S_RENDER_DATA_RFC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/IXOS/DC_S_RENDER_DATA_RFC ASSIGNING </IXOS/DC_S_RENDER_DATA_RFC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IXOS/DC_S_RENDER_DATA_RFC>-RECNUM = 1.
</IXOS/DC_S_RENDER_DATA_RFC>-HLEVEL = 1.
</IXOS/DC_S_RENDER_DATA_RFC>-PARENTNUM = 1.
</IXOS/DC_S_RENDER_DATA_RFC>-SELTYPE = 1.
</IXOS/DC_S_RENDER_DATA_RFC>-EXPANDED = 1.

ENDLOOP.

LOOP AT IT_/IXOS/DC_S_RENDER_DATA_RFC INTO WA_/IXOS/DC_S_RENDER_DATA_RFC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IXOS/DC_S_RENDER_DATA_RFC-MARKED, sy-vline,
  WA_/IXOS/DC_S_RENDER_DATA_RFC-NODETYPE, sy-vline,
  WA_/IXOS/DC_S_RENDER_DATA_RFC-DATASOURCE, sy-vline,
  WA_/IXOS/DC_S_RENDER_DATA_RFC-LASTNODE, sy-vline,
  WA_/IXOS/DC_S_RENDER_DATA_RFC-HITLIST, sy-vline,
  WA_/IXOS/DC_S_RENDER_DATA_RFC-VIRTUAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IXOS/DC_S_RENDER_DATA_RFC 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_/IXOS/DC_S_RENDER_DATA_RFC 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_/IXOS/DC_S_RENDER_DATA_RFC INTO WA_/IXOS/DC_S_RENDER_DATA_RFC.


*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_/IXOS/DC_S_RENDER_DATA_RFC_STR, 
RECNUM TYPE STRING,
HLEVEL TYPE STRING,
PARENTNUM TYPE STRING,
SELTYPE TYPE STRING,
EXPANDED TYPE STRING,
MARKED TYPE STRING,
NODETYPE TYPE STRING,
DATASOURCE TYPE STRING,
LASTNODE TYPE STRING,
HITLIST TYPE STRING,
VIRTUAL TYPE STRING,
LENGTYPE TYPE STRING,
ISFOLDER_CM TYPE STRING,
COLLECT_SELFIELD TYPE STRING,
KEY_OR_VALUE TYPE STRING,
TEXTLINE TYPE STRING,
ARCHIVE_DIRECTLY TYPE STRING,
ARC_DOC_ID TYPE STRING,
ARCHIV_ID TYPE STRING,
MIMETYPE TYPE STRING,
LINKURL TYPE STRING,
AS_ORIG TYPE STRING,
COUNTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IXOS/DC_S_RENDER_DATA_RFC_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_/IXOS/DC_S_RENDER_DATA_RFC_STR-RECNUM sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-HLEVEL sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-PARENTNUM sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-SELTYPE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-EXPANDED sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-MARKED sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-NODETYPE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-DATASOURCE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-LASTNODE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-HITLIST sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-VIRTUAL sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-LENGTYPE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-ISFOLDER_CM sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-COLLECT_SELFIELD sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-KEY_OR_VALUE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-TEXTLINE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-ARCHIVE_DIRECTLY sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-ARC_DOC_ID sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-ARCHIV_ID sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-MIMETYPE sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-LINKURL sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-AS_ORIG sy-vline 
WA_/IXOS/DC_S_RENDER_DATA_RFC_STR-COUNTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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