ABAP Select data from SAP table /SDF/SQLHIST_DISP_TEXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SDF/SQLHIST_DISP_TEXT
*  INTO TABLE @DATA(IT_/SDF/SQLHIST_DISP_TEXT2).
*--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_/SDF/SQLHIST_DISP_TEXT INDEX 1 INTO DATA(WA_/SDF/SQLHIST_DISP_TEXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SDF/SQLHIST_DISP_TEXT>-TIMESTAMP = 1.
</SDF/SQLHIST_DISP_TEXT>-PROGNAME = 1.
</SDF/SQLHIST_DISP_TEXT>-PROGKIND = 1.
</SDF/SQLHIST_DISP_TEXT>-PROCTYPE = 1.
</SDF/SQLHIST_DISP_TEXT>-PROCNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SDF/SQLHIST_DISP_TEXT-PROCLINE, sy-vline,
  WA_/SDF/SQLHIST_DISP_TEXT-RUNLEVEL, sy-vline,
  WA_/SDF/SQLHIST_DISP_TEXT-ROOTTYPE, sy-vline,
  WA_/SDF/SQLHIST_DISP_TEXT-ROOTNAME, sy-vline,
  WA_/SDF/SQLHIST_DISP_TEXT-STMTKIND, sy-vline,
  WA_/SDF/SQLHIST_DISP_TEXT-TABLENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SDF/SQLHIST_DISP_TEXT 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_/SDF/SQLHIST_DISP_TEXT 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_/SDF/SQLHIST_DISP_TEXT INTO WA_/SDF/SQLHIST_DISP_TEXT.


*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 TSTLC, internal->external for field TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SDF/SQLHIST_DISP_TEXT-TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SDF/SQLHIST_DISP_TEXT-TIMESTAMP.
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_/SDF/SQLHIST_DISP_TEXT_STR, 
TIMESTAMP TYPE STRING,
PROGNAME TYPE STRING,
PROGKIND TYPE STRING,
PROCTYPE TYPE STRING,
PROCNAME TYPE STRING,
PROCLINE TYPE STRING,
RUNLEVEL TYPE STRING,
ROOTTYPE TYPE STRING,
ROOTNAME TYPE STRING,
STMTKIND TYPE STRING,
TABLENAME TYPE STRING,
HASH TYPE STRING,
INCLUDE TYPE STRING,
LINE TYPE STRING,
PGMID TYPE STRING,
OBJECT TYPE STRING,
OBJ_NAME TYPE STRING,
DEVCLASS TYPE STRING,
TABLENAMES TYPE STRING,
XCNT TYPE STRING,
RCNT TYPE STRING,
XCNTRCNT TYPE STRING,
RTMIN TYPE STRING,
RTMAX TYPE STRING,
RTCNT TYPE STRING,
RTSUM TYPE STRING,
RTSQS TYPE STRING,
RTAVG TYPE STRING,
RTDEV TYPE STRING,
DBMIN TYPE STRING,
DBMAX TYPE STRING,
DBCNT TYPE STRING,
DBSUM TYPE STRING,
DBSQS TYPE STRING,
DBAVG TYPE STRING,
DBDEV TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
DURATION TYPE STRING,
STMTKIND_TXT TYPE STRING,
RUNLEVEL_TXT TYPE STRING,
ROOTTYPE_TXT TYPE STRING,
TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SDF/SQLHIST_DISP_TEXT_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_/SDF/SQLHIST_DISP_TEXT_STR-TIMESTAMP sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PROGNAME sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PROGKIND sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PROCTYPE sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PROCNAME sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PROCLINE sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RUNLEVEL sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-ROOTTYPE sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-ROOTNAME sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-STMTKIND sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-TABLENAME sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-HASH sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-INCLUDE sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-LINE sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-PGMID sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-OBJECT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-OBJ_NAME sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DEVCLASS sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-TABLENAMES sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-XCNT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RCNT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-XCNTRCNT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTMIN sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTMAX sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTCNT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTSUM sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTSQS sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTAVG sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RTDEV sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBMIN sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBMAX sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBCNT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBSUM sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBSQS sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBAVG sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DBDEV sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DATEFROM sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-TIMEFROM sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DATETO sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-TIMETO sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-DURATION sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-STMTKIND_TXT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-RUNLEVEL_TXT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-ROOTTYPE_TXT sy-vline 
WA_/SDF/SQLHIST_DISP_TEXT_STR-TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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