ABAP Select data from SAP table ATRA_STR_TRACE_DB_HIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATRA_STR_TRACE_DB_HIT
*  INTO TABLE @DATA(IT_ATRA_STR_TRACE_DB_HIT2).
*--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_ATRA_STR_TRACE_DB_HIT INDEX 1 INTO DATA(WA_ATRA_STR_TRACE_DB_HIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATRA_STR_TRACE_DB_HIT>-INDEX = 1.
<ATRA_STR_TRACE_DB_HIT>-TABNAME = 1.
<ATRA_STR_TRACE_DB_HIT>-ID = 1.
<ATRA_STR_TRACE_DB_HIT>-SUBID = 1.
<ATRA_STR_TRACE_DB_HIT>-PROGINDEX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATRA_STR_TRACE_DB_HIT-CONTOFFS, sy-vline,
  WA_ATRA_STR_TRACE_DB_HIT-TEXTINDEX, sy-vline,
  WA_ATRA_STR_TRACE_DB_HIT-SQLSTATEMENT, sy-vline,
  WA_ATRA_STR_TRACE_DB_HIT-SQLTYPE, sy-vline,
  WA_ATRA_STR_TRACE_DB_HIT-HITS, sy-vline,
  WA_ATRA_STR_TRACE_DB_HIT-BUFFERHITS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATRA_STR_TRACE_DB_HIT 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_ATRA_STR_TRACE_DB_HIT 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_ATRA_STR_TRACE_DB_HIT INTO WA_ATRA_STR_TRACE_DB_HIT.


*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_ATRA_STR_TRACE_DB_HIT_STR, 
INDEX TYPE STRING,
TABNAME TYPE STRING,
ID TYPE STRING,
SUBID TYPE STRING,
PROGINDEX TYPE STRING,
CONTOFFS TYPE STRING,
TEXTINDEX TYPE STRING,
SQLSTATEMENT TYPE STRING,
SQLTYPE TYPE STRING,
HITS TYPE STRING,
BUFFERHITS TYPE STRING,
BRUTTO TYPE STRING,
NETTO TYPE STRING,
PACKAGE_INDEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATRA_STR_TRACE_DB_HIT_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_ATRA_STR_TRACE_DB_HIT_STR-INDEX sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-TABNAME sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-ID sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-SUBID sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-PROGINDEX sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-CONTOFFS sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-TEXTINDEX sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-SQLSTATEMENT sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-SQLTYPE sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-HITS sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-BUFFERHITS sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-BRUTTO sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-NETTO sy-vline 
WA_ATRA_STR_TRACE_DB_HIT_STR-PACKAGE_INDEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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