ABAP Select data from SAP table SYB_VIEW_ASEINSTANCE_DTL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SYB_VIEW_ASEINSTANCE_DTL 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_VIEW_ASEINSTANCE_DTL. 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_VIEW_ASEINSTANCE_DTL 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_VIEW_ASEINSTANCE_DTL TYPE STANDARD TABLE OF SYB_VIEW_ASEINSTANCE_DTL,
      WA_SYB_VIEW_ASEINSTANCE_DTL TYPE SYB_VIEW_ASEINSTANCE_DTL,
      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_VIEW_ASEINSTANCE_DTL> TYPE SYB_VIEW_ASEINSTANCE_DTL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SYB_VIEW_ASEINSTANCE_DTL
*  INTO TABLE @DATA(IT_SYB_VIEW_ASEINSTANCE_DTL2).
*--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_VIEW_ASEINSTANCE_DTL INDEX 1 INTO DATA(WA_SYB_VIEW_ASEINSTANCE_DTL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SYB_VIEW_ASEINSTANCE_DTL>-ASEINSTANCE = 1.
<SYB_VIEW_ASEINSTANCE_DTL>-INSTANCEID = 1.
<SYB_VIEW_ASEINSTANCE_DTL>-ASE_VERSION = 1.
<SYB_VIEW_ASEINSTANCE_DTL>-NUMDEADLOCKS = 1.
<SYB_VIEW_ASEINSTANCE_DTL>-CONNECTIONS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SYB_VIEW_ASEINSTANCE_DTL-TRANSACTIONS, sy-vline,
  WA_SYB_VIEW_ASEINSTANCE_DTL-LOCKSHELD, sy-vline,
  WA_SYB_VIEW_ASEINSTANCE_DTL-PROCESSMEMUSAGEKB, sy-vline,
  WA_SYB_VIEW_ASEINSTANCE_DTL-NET_PACKETSSENT, sy-vline,
  WA_SYB_VIEW_ASEINSTANCE_DTL-NET_PACKETSRECEIVED, sy-vline,
  WA_SYB_VIEW_ASEINSTANCE_DTL-NET_MB_SENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SYB_VIEW_ASEINSTANCE_DTL 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_VIEW_ASEINSTANCE_DTL 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_VIEW_ASEINSTANCE_DTL INTO WA_SYB_VIEW_ASEINSTANCE_DTL.


*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_VIEW_ASEINSTANCE_DTL_STR, 
ASEINSTANCE TYPE STRING,
INSTANCEID TYPE STRING,
ASE_VERSION TYPE STRING,
NUMDEADLOCKS TYPE STRING,
CONNECTIONS TYPE STRING,
TRANSACTIONS TYPE STRING,
LOCKSHELD TYPE STRING,
PROCESSMEMUSAGEKB TYPE STRING,
NET_PACKETSSENT TYPE STRING,
NET_PACKETSRECEIVED TYPE STRING,
NET_MB_SENT TYPE STRING,
NET_MB_RECEIVED TYPE STRING,
ROLLBACKS TYPE STRING,
SELECTS TYPE STRING,
UPDATES TYPE STRING,
INSERTS TYPE STRING,
DELETES TYPE STRING,
MERGES TYPE STRING,
UDIM_TOTAL TYPE STRING,
TABLEACCESSES TYPE STRING,
INDEXACCESSES TYPE STRING,
TEMPDBOBJECTS TYPE STRING,
WORKTABLES TYPE STRING,
ULCFLUSHES TYPE STRING,
ULCFLUSHFULL TYPE STRING,
ULCMBWRITTEN TYPE STRING,
PAGESREAD TYPE STRING,
PAGESWRITTEN TYPE STRING,
PHYSICALREADS TYPE STRING,
PHYSICALWRITES TYPE STRING,
LOGICALREADS TYPE STRING,
STARTDATE TYPE STRING,
SNAPSHOT_TIMESTAMP TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
TIMESTAMP_TO TYPE STRING,
TIME_PERIOD TYPE STRING,
SOURCE_HOSTNAME TYPE STRING,
DETAILS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SYB_VIEW_ASEINSTANCE_DTL_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_VIEW_ASEINSTANCE_DTL_STR-ASEINSTANCE sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-INSTANCEID sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-ASE_VERSION sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-NUMDEADLOCKS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-CONNECTIONS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TRANSACTIONS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-LOCKSHELD sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-PROCESSMEMUSAGEKB sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-NET_PACKETSSENT sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-NET_PACKETSRECEIVED sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-NET_MB_SENT sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-NET_MB_RECEIVED sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-ROLLBACKS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-SELECTS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-UPDATES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-INSERTS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-DELETES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-MERGES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-UDIM_TOTAL sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TABLEACCESSES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-INDEXACCESSES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TEMPDBOBJECTS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-WORKTABLES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-ULCFLUSHES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-ULCFLUSHFULL sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-ULCMBWRITTEN sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-PAGESREAD sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-PAGESWRITTEN sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-PHYSICALREADS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-PHYSICALWRITES sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-LOGICALREADS sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-STARTDATE sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-SNAPSHOT_TIMESTAMP sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TIMESTAMP_FROM sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TIMESTAMP_TO sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-TIME_PERIOD sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-SOURCE_HOSTNAME sy-vline 
WA_SYB_VIEW_ASEINSTANCE_DTL_STR-DETAILS sy-vline      INTO ld_text SEPARATED BY SPACE.

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