ABAP Select data from SAP table UCU_S_MD_MINICUBE_DUMMY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCU_S_MD_MINICUBE_DUMMY
*  INTO TABLE @DATA(IT_UCU_S_MD_MINICUBE_DUMMY2).
*--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_UCU_S_MD_MINICUBE_DUMMY INDEX 1 INTO DATA(WA_UCU_S_MD_MINICUBE_DUMMY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCU_S_MD_MINICUBE_DUMMY>-KFIG_TYPE = 1.
<UCU_S_MD_MINICUBE_DUMMY>-MSEHI = 1.
<UCU_S_MD_MINICUBE_DUMMY>-CURRENCY = 1.
<UCU_S_MD_MINICUBE_DUMMY>-TYPE_ROLLNAME = 1.
<UCU_S_MD_MINICUBE_DUMMY>-FIELDNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCU_S_MD_MINICUBE_DUMMY-TYPE002, sy-vline,
  WA_UCU_S_MD_MINICUBE_DUMMY-RECNR, sy-vline,
  WA_UCU_S_MD_MINICUBE_DUMMY-VALUE01, sy-vline,
  WA_UCU_S_MD_MINICUBE_DUMMY-VALUE02, sy-vline,
  WA_UCU_S_MD_MINICUBE_DUMMY-VALUE03, sy-vline,
  WA_UCU_S_MD_MINICUBE_DUMMY-VALUE04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCU_S_MD_MINICUBE_DUMMY 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_UCU_S_MD_MINICUBE_DUMMY 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_UCU_S_MD_MINICUBE_DUMMY INTO WA_UCU_S_MD_MINICUBE_DUMMY.


*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.

*Conversion exit CUNIT, internal->external for field MSEHI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_UCU_S_MD_MINICUBE_DUMMY-MSEHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UCU_S_MD_MINICUBE_DUMMY-MSEHI.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_UCU_S_MD_MINICUBE_DUMMY_STR, 
KFIG_TYPE TYPE STRING,
MSEHI TYPE STRING,
CURRENCY TYPE STRING,
TYPE_ROLLNAME TYPE STRING,
FIELDNAME TYPE STRING,
TYPE002 TYPE STRING,
RECNR TYPE STRING,
VALUE01 TYPE STRING,
VALUE02 TYPE STRING,
VALUE03 TYPE STRING,
VALUE04 TYPE STRING,
VALUE05 TYPE STRING,
AMOUNT TYPE STRING,
SEQNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCU_S_MD_MINICUBE_DUMMY_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_UCU_S_MD_MINICUBE_DUMMY_STR-KFIG_TYPE sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-MSEHI sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-CURRENCY sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-TYPE_ROLLNAME sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-FIELDNAME sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-TYPE002 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-RECNR sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-VALUE01 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-VALUE02 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-VALUE03 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-VALUE04 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-VALUE05 sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-AMOUNT sy-vline 
WA_UCU_S_MD_MINICUBE_DUMMY_STR-SEQNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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