ABAP Select data from SAP table SYB_XCHG_TEMPDBACTIVITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SYB_XCHG_TEMPDBACTIVITY
*  INTO TABLE @DATA(IT_SYB_XCHG_TEMPDBACTIVITY2).
*--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_SYB_XCHG_TEMPDBACTIVITY INDEX 1 INTO DATA(WA_SYB_XCHG_TEMPDBACTIVITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SYB_XCHG_TEMPDBACTIVITY>-DBID = 1.
<SYB_XCHG_TEMPDBACTIVITY>-ACTIVITY = 1.
<SYB_XCHG_TEMPDBACTIVITY>-DBID = 1.
<SYB_XCHG_TEMPDBACTIVITY>-INSTANCEID = 1.
<SYB_XCHG_TEMPDBACTIVITY>-APPENDLOGREQUESTS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SYB_XCHG_TEMPDBACTIVITY-APPENDLOGWAITS, sy-vline,
  WA_SYB_XCHG_TEMPDBACTIVITY-DBNAME, sy-vline,
  WA_SYB_XCHG_TEMPDBACTIVITY-LOGICALREADS, sy-vline,
  WA_SYB_XCHG_TEMPDBACTIVITY-PHYSICALREADS, sy-vline,
  WA_SYB_XCHG_TEMPDBACTIVITY-APFREADS, sy-vline,
  WA_SYB_XCHG_TEMPDBACTIVITY-PAGESREAD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SYB_XCHG_TEMPDBACTIVITY 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_SYB_XCHG_TEMPDBACTIVITY 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_SYB_XCHG_TEMPDBACTIVITY INTO WA_SYB_XCHG_TEMPDBACTIVITY.


*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_SYB_XCHG_TEMPDBACTIVITY_STR, 
DBID TYPE STRING,
ACTIVITY TYPE STRING,
DBID TYPE STRING,
INSTANCEID TYPE STRING,
APPENDLOGREQUESTS TYPE STRING,
APPENDLOGWAITS TYPE STRING,
DBNAME TYPE STRING,
LOGICALREADS TYPE STRING,
PHYSICALREADS TYPE STRING,
APFREADS TYPE STRING,
PAGESREAD TYPE STRING,
PHYSICALWRITES TYPE STRING,
PAGESWRITTEN TYPE STRING,
LOCKREQUESTS TYPE STRING,
LOCKWAITS TYPE STRING,
CATLOCKREQUESTS TYPE STRING,
CATLOCKWAITS TYPE STRING,
ASSIGNEDCNT TYPE STRING,
SHARABLETABCNT TYPE STRING,
TDBSIZE TYPE STRING,
TDBUNRESERVED TYPE STRING,
TDBRESERVED_GROWTH TYPE STRING,
TDBRESERVED_MAX TYPE STRING,
TDBRESERVED TYPE STRING,
SOURCE_HOSTNAME TYPE STRING,
SNAPSHOT_TIMESTAMP TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
TIMESTAMP_TO TYPE STRING,
TIME_PERIOD TYPE STRING,
TIME_SELECTION TYPE STRING,
FROM_DATE TYPE STRING,
FROM_TIME TYPE STRING,
TO_DATE TYPE STRING,
TO_TIME TYPE STRING,
TIME_FRAME TYPE STRING,
RANGETYPE TYPE STRING,
TIME_ZONE TYPE STRING,
GRANULARITY TYPE STRING,
TIME_RANGE_READONLY TYPE STRING,
TIME_RANGE_HIDDEN TYPE STRING,
TIME_RANGE_DESCR TYPE STRING,
CONFIRM_ENABLED TYPE STRING,
GRANULARITY_ENABLED TYPE STRING,
AGGREGATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SYB_XCHG_TEMPDBACTIVITY_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_SYB_XCHG_TEMPDBACTIVITY_STR-DBID sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-ACTIVITY sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-DBID sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-INSTANCEID sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-APPENDLOGREQUESTS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-APPENDLOGWAITS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-DBNAME sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-LOGICALREADS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-PHYSICALREADS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-APFREADS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-PAGESREAD sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-PHYSICALWRITES sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-PAGESWRITTEN sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-LOCKREQUESTS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-LOCKWAITS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-CATLOCKREQUESTS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-CATLOCKWAITS sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-ASSIGNEDCNT sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-SHARABLETABCNT sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TDBSIZE sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TDBUNRESERVED sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TDBRESERVED_GROWTH sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TDBRESERVED_MAX sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TDBRESERVED sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-SOURCE_HOSTNAME sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-SNAPSHOT_TIMESTAMP sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIMESTAMP_FROM sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIMESTAMP_TO sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_PERIOD sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_SELECTION sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-FROM_DATE sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-FROM_TIME sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TO_DATE sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TO_TIME sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_FRAME sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-RANGETYPE sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_ZONE sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-GRANULARITY sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_RANGE_READONLY sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_RANGE_HIDDEN sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-TIME_RANGE_DESCR sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-CONFIRM_ENABLED sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-GRANULARITY_ENABLED sy-vline 
WA_SYB_XCHG_TEMPDBACTIVITY_STR-AGGREGATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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