ABAP Select data from SAP table DB6_DASHBOARD_VIEW into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB6_DASHBOARD_VIEW 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 DB6_DASHBOARD_VIEW. 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 DB6_DASHBOARD_VIEW 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_DB6_DASHBOARD_VIEW TYPE STANDARD TABLE OF DB6_DASHBOARD_VIEW,
      WA_DB6_DASHBOARD_VIEW TYPE DB6_DASHBOARD_VIEW,
      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: <DB6_DASHBOARD_VIEW> TYPE DB6_DASHBOARD_VIEW.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB6_DASHBOARD_VIEW.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB6_DASHBOARD_VIEW
  INTO TABLE IT_DB6_DASHBOARD_VIEW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB6_DASHBOARD_VIEW
*  INTO TABLE @DATA(IT_DB6_DASHBOARD_VIEW2).
*--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_DB6_DASHBOARD_VIEW INDEX 1 INTO DATA(WA_DB6_DASHBOARD_VIEW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB6_DASHBOARD_VIEW ASSIGNING <DB6_DASHBOARD_VIEW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB6_DASHBOARD_VIEW>-TOTALKB_GB = 1.
<DB6_DASHBOARD_VIEW>-LOG_SIZE = 1.
<DB6_DASHBOARD_VIEW>-OPEN_TRANSACTIONS = 1.
<DB6_DASHBOARD_VIEW>-NUMBER_OF_CONNECTIONS = 1.
<DB6_DASHBOARD_VIEW>-SERVICE_LEVEL = 1.

ENDLOOP.

LOOP AT IT_DB6_DASHBOARD_VIEW INTO WA_DB6_DASHBOARD_VIEW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB6_DASHBOARD_VIEW-BLD_LEVEL, sy-vline,
  WA_DB6_DASHBOARD_VIEW-NUM_MEMBERS, sy-vline,
  WA_DB6_DASHBOARD_VIEW-NUM_DBPARTITIONS, sy-vline,
  WA_DB6_DASHBOARD_VIEW-OS_NAME, sy-vline,
  WA_DB6_DASHBOARD_VIEW-HOST_NAME, sy-vline,
  WA_DB6_DASHBOARD_VIEW-TOTAL_MEMORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB6_DASHBOARD_VIEW 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_DB6_DASHBOARD_VIEW 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_DB6_DASHBOARD_VIEW INTO WA_DB6_DASHBOARD_VIEW.


*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_DB6_DASHBOARD_VIEW_STR, 
TOTALKB_GB TYPE STRING,
LOG_SIZE TYPE STRING,
OPEN_TRANSACTIONS TYPE STRING,
NUMBER_OF_CONNECTIONS TYPE STRING,
SERVICE_LEVEL TYPE STRING,
BLD_LEVEL TYPE STRING,
NUM_MEMBERS TYPE STRING,
NUM_DBPARTITIONS TYPE STRING,
OS_NAME TYPE STRING,
HOST_NAME TYPE STRING,
TOTAL_MEMORY TYPE STRING,
CATCA_QAL TYPE STRING,
PKG_CA_QAL TYPE STRING,
PKG_NUM_OV TYPE STRING,
BP_QAL TYPE STRING,
INSTANCE_MEMORY TYPE STRING,
DB_MEMORY TYPE STRING,
CUR_SIZE_MB TYPE STRING,
CUR_SIZE_MB19 TYPE STRING,
CUR_SIZE_MB20 TYPE STRING,
CUR_SIZE_MB21 TYPE STRING,
CUR_SIZE_MB22 TYPE STRING,
CUR_SIZE_MB23 TYPE STRING,
APP_MEMORY TYPE STRING,
DEADLOCKS TYPE STRING,
LCK_ESCALS TYPE STRING,
LCK_TMOUT TYPE STRING,
ROWS_WRITTEN TYPE STRING,
ROWS_READ TYPE STRING,
SRT_OF TYPE STRING,
HAJN_OF TYPE STRING,
HAJN_SM_OF TYPE STRING,
VALUE TYPE STRING,
LAST_SUCCESSFUL_BACKUP TYPE STRING,
LAST_BACKUP_STATUS TYPE STRING,
IT_TOTALKB_DELTA_MB TYPE STRING,
IT_LOG_WRITES TYPE STRING,
IT_POOL_PHYSICAL_READS TYPE STRING,
IT_POOL_PHYSICAL_WR TYPE STRING,
IT_POOL_PHYSICAL_WRITES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB6_DASHBOARD_VIEW_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_DB6_DASHBOARD_VIEW_STR-TOTALKB_GB sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-LOG_SIZE sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-OPEN_TRANSACTIONS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-NUMBER_OF_CONNECTIONS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-SERVICE_LEVEL sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-BLD_LEVEL sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-NUM_MEMBERS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-NUM_DBPARTITIONS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-OS_NAME sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-HOST_NAME sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-TOTAL_MEMORY sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CATCA_QAL sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-PKG_CA_QAL sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-PKG_NUM_OV sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-BP_QAL sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-INSTANCE_MEMORY sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-DB_MEMORY sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB19 sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB20 sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB21 sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB22 sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-CUR_SIZE_MB23 sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-APP_MEMORY sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-DEADLOCKS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-LCK_ESCALS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-LCK_TMOUT sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-ROWS_WRITTEN sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-ROWS_READ sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-SRT_OF sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-HAJN_OF sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-HAJN_SM_OF sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-VALUE sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-LAST_SUCCESSFUL_BACKUP sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-LAST_BACKUP_STATUS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-IT_TOTALKB_DELTA_MB sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-IT_LOG_WRITES sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-IT_POOL_PHYSICAL_READS sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-IT_POOL_PHYSICAL_WR sy-vline 
WA_DB6_DASHBOARD_VIEW_STR-IT_POOL_PHYSICAL_WRITES sy-vline      INTO ld_text SEPARATED BY SPACE.

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