ABAP Select data from SAP table /SMB/SEC_TASK_MR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SMB/SEC_TASK_MR 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 /SMB/SEC_TASK_MR. 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 /SMB/SEC_TASK_MR 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_/SMB/SEC_TASK_MR TYPE STANDARD TABLE OF /SMB/SEC_TASK_MR,
      WA_/SMB/SEC_TASK_MR TYPE /SMB/SEC_TASK_MR,
      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: </SMB/SEC_TASK_MR> TYPE /SMB/SEC_TASK_MR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SMB/SEC_TASK_MR
  INTO TABLE IT_/SMB/SEC_TASK_MR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/SEC_TASK_MR
*  INTO TABLE @DATA(IT_/SMB/SEC_TASK_MR2).
*--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_/SMB/SEC_TASK_MR INDEX 1 INTO DATA(WA_/SMB/SEC_TASK_MR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SMB/SEC_TASK_MR ASSIGNING </SMB/SEC_TASK_MR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/SEC_TASK_MR>-MANDT = 1.
</SMB/SEC_TASK_MR>-ACTIVITY_ID = 1.
</SMB/SEC_TASK_MR>-OBJID_SEC = 1.
</SMB/SEC_TASK_MR>-OBJTY_SEC = 1.
</SMB/SEC_TASK_MR>-FILENAME_SEC = 1.

ENDLOOP.

LOOP AT IT_/SMB/SEC_TASK_MR INTO WA_/SMB/SEC_TASK_MR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/SEC_TASK_MR-BBID, sy-vline,
  WA_/SMB/SEC_TASK_MR-EFFORT, sy-vline,
  WA_/SMB/SEC_TASK_MR-RECURRENCE, sy-vline,
  WA_/SMB/SEC_TASK_MR-PROCESSOR, sy-vline,
  WA_/SMB/SEC_TASK_MR-REL_VERSION, sy-vline,
  WA_/SMB/SEC_TASK_MR-TCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/SEC_TASK_MR 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_/SMB/SEC_TASK_MR 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_/SMB/SEC_TASK_MR INTO WA_/SMB/SEC_TASK_MR.


*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_/SMB/SEC_TASK_MR_STR, 
MANDT TYPE STRING,
ACTIVITY_ID TYPE STRING,
OBJID_SEC TYPE STRING,
OBJTY_SEC TYPE STRING,
FILENAME_SEC TYPE STRING,
BBID TYPE STRING,
EFFORT TYPE STRING,
RECURRENCE TYPE STRING,
PROCESSOR TYPE STRING,
REL_VERSION TYPE STRING,
TCODE TYPE STRING,
ACTTYPE TYPE STRING,
ACTLEVEL TYPE STRING,
MANUTYPE TYPE STRING,
TRANSPORTSTATUS TYPE STRING,
PROCESSING_STATUS TYPE STRING,
DOC_ID TYPE STRING,
SOLUTION_ID TYPE STRING,
SEQNUM TYPE STRING,
ORDER_NUMBER TYPE STRING,
TRANSPORT TYPE STRING,
PROJECT_ID TYPE STRING,
SEMANTIC_OBJECT TYPE STRING,
SEMANTIC_ACTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/SEC_TASK_MR_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_/SMB/SEC_TASK_MR_STR-MANDT sy-vline 
WA_/SMB/SEC_TASK_MR_STR-ACTIVITY_ID sy-vline 
WA_/SMB/SEC_TASK_MR_STR-OBJID_SEC sy-vline 
WA_/SMB/SEC_TASK_MR_STR-OBJTY_SEC sy-vline 
WA_/SMB/SEC_TASK_MR_STR-FILENAME_SEC sy-vline 
WA_/SMB/SEC_TASK_MR_STR-BBID sy-vline 
WA_/SMB/SEC_TASK_MR_STR-EFFORT sy-vline 
WA_/SMB/SEC_TASK_MR_STR-RECURRENCE sy-vline 
WA_/SMB/SEC_TASK_MR_STR-PROCESSOR sy-vline 
WA_/SMB/SEC_TASK_MR_STR-REL_VERSION sy-vline 
WA_/SMB/SEC_TASK_MR_STR-TCODE sy-vline 
WA_/SMB/SEC_TASK_MR_STR-ACTTYPE sy-vline 
WA_/SMB/SEC_TASK_MR_STR-ACTLEVEL sy-vline 
WA_/SMB/SEC_TASK_MR_STR-MANUTYPE sy-vline 
WA_/SMB/SEC_TASK_MR_STR-TRANSPORTSTATUS sy-vline 
WA_/SMB/SEC_TASK_MR_STR-PROCESSING_STATUS sy-vline 
WA_/SMB/SEC_TASK_MR_STR-DOC_ID sy-vline 
WA_/SMB/SEC_TASK_MR_STR-SOLUTION_ID sy-vline 
WA_/SMB/SEC_TASK_MR_STR-SEQNUM sy-vline 
WA_/SMB/SEC_TASK_MR_STR-ORDER_NUMBER sy-vline 
WA_/SMB/SEC_TASK_MR_STR-TRANSPORT sy-vline 
WA_/SMB/SEC_TASK_MR_STR-PROJECT_ID sy-vline 
WA_/SMB/SEC_TASK_MR_STR-SEMANTIC_OBJECT sy-vline 
WA_/SMB/SEC_TASK_MR_STR-SEMANTIC_ACTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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