ABAP Select data from SAP table DDSTEXTIDX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DDSTEXTIDX
*  INTO TABLE @DATA(IT_DDSTEXTIDX2).
*--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_DDSTEXTIDX INDEX 1 INTO DATA(WA_DDSTEXTIDX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DDSTEXTIDX>-INDEXNAME = 1.
<DDSTEXTIDX>-CATID = 1.
<DDSTEXTIDX>-SELMETHOD = 1.
<DDSTEXTIDX>-FSELMETHOD = 1.
<DDSTEXTIDX>-KEYSTRUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DDSTEXTIDX-PROTTABLE, sy-vline,
  WA_DDSTEXTIDX-PROTPROC, sy-vline,
  WA_DDSTEXTIDX-LANGUFIELD, sy-vline,
  WA_DDSTEXTIDX-LANGUINDEP, sy-vline,
  WA_DDSTEXTIDX-MANDTINDEP, sy-vline,
  WA_DDSTEXTIDX-FUZZYGRAD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DDSTEXTIDX 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_DDSTEXTIDX 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_DDSTEXTIDX INTO WA_DDSTEXTIDX.


*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_DDSTEXTIDX_STR, 
INDEXNAME TYPE STRING,
CATID TYPE STRING,
SELMETHOD TYPE STRING,
FSELMETHOD TYPE STRING,
KEYSTRUCT TYPE STRING,
PROTTABLE TYPE STRING,
PROTPROC TYPE STRING,
LANGUFIELD TYPE STRING,
LANGUINDEP TYPE STRING,
MANDTINDEP TYPE STRING,
FUZZYGRAD TYPE STRING,
SRSVRID TYPE STRING,
PACKSIZE TYPE STRING,
SYNCMINS TYPE STRING,
SYNCHOURS TYPE STRING,
SYNCDAYS TYPE STRING,
TEXTSEARCH TYPE STRING,
DDTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DDSTEXTIDX_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_DDSTEXTIDX_STR-INDEXNAME sy-vline 
WA_DDSTEXTIDX_STR-CATID sy-vline 
WA_DDSTEXTIDX_STR-SELMETHOD sy-vline 
WA_DDSTEXTIDX_STR-FSELMETHOD sy-vline 
WA_DDSTEXTIDX_STR-KEYSTRUCT sy-vline 
WA_DDSTEXTIDX_STR-PROTTABLE sy-vline 
WA_DDSTEXTIDX_STR-PROTPROC sy-vline 
WA_DDSTEXTIDX_STR-LANGUFIELD sy-vline 
WA_DDSTEXTIDX_STR-LANGUINDEP sy-vline 
WA_DDSTEXTIDX_STR-MANDTINDEP sy-vline 
WA_DDSTEXTIDX_STR-FUZZYGRAD sy-vline 
WA_DDSTEXTIDX_STR-SRSVRID sy-vline 
WA_DDSTEXTIDX_STR-PACKSIZE sy-vline 
WA_DDSTEXTIDX_STR-SYNCMINS sy-vline 
WA_DDSTEXTIDX_STR-SYNCHOURS sy-vline 
WA_DDSTEXTIDX_STR-SYNCDAYS sy-vline 
WA_DDSTEXTIDX_STR-TEXTSEARCH sy-vline 
WA_DDSTEXTIDX_STR-DDTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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