ABAP Select data from SAP table /MRSS/T_RM_REQUEST_REQ_PROFILE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MRSS/T_RM_REQUEST_REQ_PROFILE
*  INTO TABLE @DATA(IT_/MRSS/T_RM_REQUEST_REQ_PROFILE2).
*--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_/MRSS/T_RM_REQUEST_REQ_PROFILE INDEX 1 INTO DATA(WA_/MRSS/T_RM_REQUEST_REQ_PROFILE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MRSS/T_RM_REQUEST_REQ_PROFILE>-CONTROLLER = 1.
</MRSS/T_RM_REQUEST_REQ_PROFILE>-PROFILE_KEY = 1.
</MRSS/T_RM_REQUEST_REQ_PROFILE>-HDR = 1.
</MRSS/T_RM_REQUEST_REQ_PROFILE>-CONTROLLER = 1.
</MRSS/T_RM_REQUEST_REQ_PROFILE>-IS_REUSABLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-DELETION_FLAG, sy-vline,
  WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-PROF_DESC, sy-vline,
  WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-PLANT, sy-vline,
  WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-STR, sy-vline,
  WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-CONTROLLER, sy-vline,
  WA_/MRSS/T_RM_REQUEST_REQ_PROFILE-ITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MRSS/T_RM_REQUEST_REQ_PROFILE 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_/MRSS/T_RM_REQUEST_REQ_PROFILE 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_/MRSS/T_RM_REQUEST_REQ_PROFILE INTO WA_/MRSS/T_RM_REQUEST_REQ_PROFILE.


*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_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR, 
CONTROLLER TYPE STRING,
PROFILE_KEY TYPE STRING,
HDR TYPE STRING,
CONTROLLER TYPE STRING,
IS_REUSABLE TYPE STRING,
DELETION_FLAG TYPE STRING,
PROF_DESC TYPE STRING,
PLANT TYPE STRING,
STR TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,
UST TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,
ADDN TYPE STRING,
CONTROLLER TYPE STRING,
DUMMY TYPE STRING,
COMP_PROFILE_ID TYPE STRING,
COMP_PROF_DESC TYPE STRING,
SOL_PROFILE_ID TYPE STRING,
SOL_PROFILE_DESC TYPE STRING,
IND_FOCUS_ID TYPE STRING,
IND_FOCUS_DESC TYPE STRING,
JOB_TEXT_ID TYPE STRING,
JOB_TEXT_DESC TYPE STRING,
PLATINUM_CONS TYPE STRING,
POSSIBLE_LANG TYPE STRING,
ONC_STYP TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,
ONC_TYP TYPE STRING,
CONTROLLER TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_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_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-PROFILE_KEY sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-HDR sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-IS_REUSABLE sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-DELETION_FLAG sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-PROF_DESC sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-PLANT sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-STR sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ITEM sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-UST sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ITEM sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ADDN sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-DUMMY sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-COMP_PROFILE_ID sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-COMP_PROF_DESC sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-SOL_PROFILE_ID sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-SOL_PROFILE_DESC sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-IND_FOCUS_ID sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-IND_FOCUS_DESC sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-JOB_TEXT_ID sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-JOB_TEXT_DESC sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-PLATINUM_CONS sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-POSSIBLE_LANG sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ONC_STYP sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ITEM sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ONC_TYP sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-CONTROLLER sy-vline 
WA_/MRSS/T_RM_REQUEST_REQ_PROFILE_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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