ABAP Select data from SAP table /AIF/UI5_RA_USER_REC_ASSIGNMNT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /AIF/UI5_RA_USER_REC_ASSIGNMNT 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 /AIF/UI5_RA_USER_REC_ASSIGNMNT. 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 /AIF/UI5_RA_USER_REC_ASSIGNMNT 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_/AIF/UI5_RA_USER_REC_ASSIGNMNT TYPE STANDARD TABLE OF /AIF/UI5_RA_USER_REC_ASSIGNMNT,
      WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT TYPE /AIF/UI5_RA_USER_REC_ASSIGNMNT,
      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: </AIF/UI5_RA_USER_REC_ASSIGNMNT> TYPE /AIF/UI5_RA_USER_REC_ASSIGNMNT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/AIF/UI5_RA_USER_REC_ASSIGNMNT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /AIF/UI5_RA_USER_REC_ASSIGNMNT
  INTO TABLE IT_/AIF/UI5_RA_USER_REC_ASSIGNMNT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /AIF/UI5_RA_USER_REC_ASSIGNMNT
*  INTO TABLE @DATA(IT_/AIF/UI5_RA_USER_REC_ASSIGNMNT2).
*--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_/AIF/UI5_RA_USER_REC_ASSIGNMNT INDEX 1 INTO DATA(WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/AIF/UI5_RA_USER_REC_ASSIGNMNT ASSIGNING </AIF/UI5_RA_USER_REC_ASSIGNMNT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</AIF/UI5_RA_USER_REC_ASSIGNMNT>-UNAME = 1.
</AIF/UI5_RA_USER_REC_ASSIGNMNT>-USERNR = 1.
</AIF/UI5_RA_USER_REC_ASSIGNMNT>-NSRECIPIENT = 1.
</AIF/UI5_RA_USER_REC_ASSIGNMNT>-RECIPIENT = 1.
</AIF/UI5_RA_USER_REC_ASSIGNMNT>-NSTX = 1.

ENDLOOP.

LOOP AT IT_/AIF/UI5_RA_USER_REC_ASSIGNMNT INTO WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-DESCRIPTION, sy-vline,
  WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-MESSAGE, sy-vline,
  WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-MESSAGEDESC, sy-vline,
  WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-INCLUDE_OVERVIEW, sy-vline,
  WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-IS_TECHUSER, sy-vline,
  WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT-ETAG_HASH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT 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_/AIF/UI5_RA_USER_REC_ASSIGNMNT 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_/AIF/UI5_RA_USER_REC_ASSIGNMNT INTO WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT.


*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_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR, 
UNAME TYPE STRING,
USERNR TYPE STRING,
NSRECIPIENT TYPE STRING,
RECIPIENT TYPE STRING,
NSTX TYPE STRING,
DESCRIPTION TYPE STRING,
MESSAGE TYPE STRING,
MESSAGEDESC TYPE STRING,
INCLUDE_OVERVIEW TYPE STRING,
IS_TECHUSER TYPE STRING,
ETAG_HASH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_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_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-UNAME sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-USERNR sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-NSRECIPIENT sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-RECIPIENT sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-NSTX sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-DESCRIPTION sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-MESSAGE sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-MESSAGEDESC sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-INCLUDE_OVERVIEW sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-IS_TECHUSER sy-vline 
WA_/AIF/UI5_RA_USER_REC_ASSIGNMNT_STR-ETAG_HASH sy-vline      INTO ld_text SEPARATED BY SPACE.

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