ABAP Select data from SAP table UMB_YS_OUTTAB_KEY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UMB_YS_OUTTAB_KEY
*  INTO TABLE @DATA(IT_UMB_YS_OUTTAB_KEY2).
*--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_UMB_YS_OUTTAB_KEY INDEX 1 INTO DATA(WA_UMB_YS_OUTTAB_KEY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UMB_YS_OUTTAB_KEY>-KEYTYPE = 1.
<UMB_YS_OUTTAB_KEY>-STRATEGY = 1.
<UMB_YS_OUTTAB_KEY>-PERS = 1.
<UMB_YS_OUTTAB_KEY>-OBJ = 1.
<UMB_YS_OUTTAB_KEY>-MEAS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UMB_YS_OUTTAB_KEY-INIT, sy-vline,
  WA_UMB_YS_OUTTAB_KEY-RISK, sy-vline,
  WA_UMB_YS_OUTTAB_KEY-RACT, sy-vline,
  WA_UMB_YS_OUTTAB_KEY-RCATG, sy-vline,
  WA_UMB_YS_OUTTAB_KEY-RGROUP, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_UMB_YS_OUTTAB_KEY 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_UMB_YS_OUTTAB_KEY 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_UMB_YS_OUTTAB_KEY INTO WA_UMB_YS_OUTTAB_KEY.


*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_UMB_YS_OUTTAB_KEY_STR, 
KEYTYPE TYPE STRING,
STRATEGY TYPE STRING,
PERS TYPE STRING,
OBJ TYPE STRING,
MEAS TYPE STRING,
INIT TYPE STRING,
RISK TYPE STRING,
RACT TYPE STRING,
RCATG TYPE STRING,
RGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UMB_YS_OUTTAB_KEY_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_UMB_YS_OUTTAB_KEY_STR-KEYTYPE sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-STRATEGY sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-PERS sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-OBJ sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-MEAS sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-INIT sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-RISK sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-RACT sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-RCATG sy-vline 
WA_UMB_YS_OUTTAB_KEY_STR-RGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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