ABAP Select data from SAP table DBA_VIEW_ALERT_CFG_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DBA_VIEW_ALERT_CFG_DETAIL
*  INTO TABLE @DATA(IT_DBA_VIEW_ALERT_CFG_DETAIL2).
*--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_DBA_VIEW_ALERT_CFG_DETAIL INDEX 1 INTO DATA(WA_DBA_VIEW_ALERT_CFG_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DBA_VIEW_ALERT_CFG_DETAIL>-COMPONENT_DISPLAY = 1.
<DBA_VIEW_ALERT_CFG_DETAIL>-PATH = 1.
<DBA_VIEW_ALERT_CFG_DETAIL>-OBJECT = 1.
<DBA_VIEW_ALERT_CFG_DETAIL>-ATTRIBUTE = 1.
<DBA_VIEW_ALERT_CFG_DETAIL>-RED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DBA_VIEW_ALERT_CFG_DETAIL-ALRTVALUE_DISP, sy-vline,
  WA_DBA_VIEW_ALERT_CFG_DETAIL-OPERATOR_DISP, sy-vline,
  WA_DBA_VIEW_ALERT_CFG_DETAIL-OPERATOR, sy-vline,
  WA_DBA_VIEW_ALERT_CFG_DETAIL-PARAMLIST, sy-vline,
  WA_DBA_VIEW_ALERT_CFG_DETAIL-PARAMUNIT_DISP, sy-vline,
  WA_DBA_VIEW_ALERT_CFG_DETAIL-PARAMUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DBA_VIEW_ALERT_CFG_DETAIL 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_DBA_VIEW_ALERT_CFG_DETAIL 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_DBA_VIEW_ALERT_CFG_DETAIL INTO WA_DBA_VIEW_ALERT_CFG_DETAIL.


*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_DBA_VIEW_ALERT_CFG_DETAIL_STR, 
COMPONENT_DISPLAY TYPE STRING,
PATH TYPE STRING,
OBJECT TYPE STRING,
ATTRIBUTE TYPE STRING,
RED TYPE STRING,
ALRTVALUE_DISP TYPE STRING,
OPERATOR_DISP TYPE STRING,
OPERATOR TYPE STRING,
PARAMLIST TYPE STRING,
PARAMUNIT_DISP TYPE STRING,
PARAMUNIT TYPE STRING,
ALRTMSGNO TYPE STRING,
ALRTMSGTXT TYPE STRING,
REACTMSGNO TYPE STRING,
REACTMSGTXT TYPE STRING,
MARK_EMAIL TYPE STRING,
OPERATOR_LIST TYPE STRING,
UNIT_LIST TYPE STRING,
DESCRIPTION TYPE STRING,
YELLOW TYPE STRING,
ALRTVALUE_DISP TYPE STRING,
OPERATOR_DISP TYPE STRING,
OPERATOR TYPE STRING,
PARAMLIST TYPE STRING,
PARAMUNIT_DISP TYPE STRING,
PARAMUNIT TYPE STRING,
ALRTMSGNO TYPE STRING,
ALRTMSGTXT TYPE STRING,
REACTMSGNO TYPE STRING,
REACTMSGTXT TYPE STRING,
MARK_EMAIL TYPE STRING,
OPERATOR_LIST TYPE STRING,
UNIT_LIST TYPE STRING,
DESCRIPTION TYPE STRING,
GREEN TYPE STRING,
ALRTVALUE_DISP TYPE STRING,
OPERATOR_DISP TYPE STRING,
OPERATOR TYPE STRING,
PARAMLIST TYPE STRING,
PARAMUNIT_DISP TYPE STRING,
PARAMUNIT TYPE STRING,
ALRTMSGNO TYPE STRING,
ALRTMSGTXT TYPE STRING,
REACTMSGNO TYPE STRING,
REACTMSGTXT TYPE STRING,
MARK_EMAIL TYPE STRING,
OPERATOR_LIST TYPE STRING,
UNIT_LIST TYPE STRING,
DESCRIPTION TYPE STRING,
SEVERITY TYPE STRING,
REACTMSGTXT TYPE STRING,
RESTART TYPE STRING,
TIMEOUT TYPE STRING,
WARMUP TYPE STRING,
CUSTOMIZE_MARK TYPE STRING,
MODUSER TYPE STRING,
DATE TYPE STRING,
TIME TYPE STRING,
ACTIVE_MARK TYPE STRING,
PARTITN_DISPLAY TYPE STRING,
COLLECTOR TYPE STRING,
ATTRTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DBA_VIEW_ALERT_CFG_DETAIL_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_DBA_VIEW_ALERT_CFG_DETAIL_STR-COMPONENT_DISPLAY sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PATH sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OBJECT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ATTRIBUTE sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-RED sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTVALUE_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMLIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-MARK_EMAIL sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-UNIT_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-DESCRIPTION sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-YELLOW sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTVALUE_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMLIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-MARK_EMAIL sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-UNIT_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-DESCRIPTION sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-GREEN sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTVALUE_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMLIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT_DISP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARAMUNIT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ALRTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGNO sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-MARK_EMAIL sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-OPERATOR_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-UNIT_LIST sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-DESCRIPTION sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-SEVERITY sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-REACTMSGTXT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-RESTART sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-TIMEOUT sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-WARMUP sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-CUSTOMIZE_MARK sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-MODUSER sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-DATE sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-TIME sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ACTIVE_MARK sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-PARTITN_DISPLAY sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-COLLECTOR sy-vline 
WA_DBA_VIEW_ALERT_CFG_DETAIL_STR-ATTRTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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