ABAP Select data from SAP table DIS_RUNPROFMSG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DIS_RUNPROFMSG
*  INTO TABLE @DATA(IT_DIS_RUNPROFMSG2).
*--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_DIS_RUNPROFMSG INDEX 1 INTO DATA(WA_DIS_RUNPROFMSG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DIS_RUNPROFMSG>-MANDT = 1.
<DIS_RUNPROFMSG>-DRPID = 1.
<DIS_RUNPROFMSG>-ARBGB = 1.
<DIS_RUNPROFMSG>-MSGNR = 1.
<DIS_RUNPROFMSG>-MSGCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DIS_RUNPROFMSG-CUSTMSG, sy-vline,
  WA_DIS_RUNPROFMSG-PROGRESS, sy-vline,
  WA_DIS_RUNPROFMSG-TRON, sy-vline,
  WA_DIS_RUNPROFMSG-TROFF, sy-vline,
  WA_DIS_RUNPROFMSG-BREAKP, sy-vline,
  WA_DIS_RUNPROFMSG-MEMSNAPSHOT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DIS_RUNPROFMSG 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_DIS_RUNPROFMSG 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_DIS_RUNPROFMSG INTO WA_DIS_RUNPROFMSG.


*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_DIS_RUNPROFMSG_STR, 
MANDT TYPE STRING,
DRPID TYPE STRING,
ARBGB TYPE STRING,
MSGNR TYPE STRING,
MSGCAT TYPE STRING,
CUSTMSG TYPE STRING,
PROGRESS TYPE STRING,
TRON TYPE STRING,
TROFF TYPE STRING,
BREAKP TYPE STRING,
MEMSNAPSHOT TYPE STRING,
COMMITW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DIS_RUNPROFMSG_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_DIS_RUNPROFMSG_STR-MANDT sy-vline 
WA_DIS_RUNPROFMSG_STR-DRPID sy-vline 
WA_DIS_RUNPROFMSG_STR-ARBGB sy-vline 
WA_DIS_RUNPROFMSG_STR-MSGNR sy-vline 
WA_DIS_RUNPROFMSG_STR-MSGCAT sy-vline 
WA_DIS_RUNPROFMSG_STR-CUSTMSG sy-vline 
WA_DIS_RUNPROFMSG_STR-PROGRESS sy-vline 
WA_DIS_RUNPROFMSG_STR-TRON sy-vline 
WA_DIS_RUNPROFMSG_STR-TROFF sy-vline 
WA_DIS_RUNPROFMSG_STR-BREAKP sy-vline 
WA_DIS_RUNPROFMSG_STR-MEMSNAPSHOT sy-vline 
WA_DIS_RUNPROFMSG_STR-COMMITW sy-vline      INTO ld_text SEPARATED BY SPACE.

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