ABAP Select data from SAP table CRMT_6305_SRV_SUBJECT_UI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_6305_SRV_SUBJECT_UI 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 CRMT_6305_SRV_SUBJECT_UI. 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 CRMT_6305_SRV_SUBJECT_UI 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_CRMT_6305_SRV_SUBJECT_UI TYPE STANDARD TABLE OF CRMT_6305_SRV_SUBJECT_UI,
      WA_CRMT_6305_SRV_SUBJECT_UI TYPE CRMT_6305_SRV_SUBJECT_UI,
      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: <CRMT_6305_SRV_SUBJECT_UI> TYPE CRMT_6305_SRV_SUBJECT_UI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMT_6305_SRV_SUBJECT_UI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMT_6305_SRV_SUBJECT_UI
  INTO TABLE IT_CRMT_6305_SRV_SUBJECT_UI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_6305_SRV_SUBJECT_UI
*  INTO TABLE @DATA(IT_CRMT_6305_SRV_SUBJECT_UI2).
*--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_CRMT_6305_SRV_SUBJECT_UI INDEX 1 INTO DATA(WA_CRMT_6305_SRV_SUBJECT_UI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMT_6305_SRV_SUBJECT_UI ASSIGNING <CRMT_6305_SRV_SUBJECT_UI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_6305_SRV_SUBJECT_UI>-GUID = 1.
<CRMT_6305_SRV_SUBJECT_UI>-HANDLE = 1.
<CRMT_6305_SRV_SUBJECT_UI>-OSSET_HANDLE = 1.
<CRMT_6305_SRV_SUBJECT_UI>-OSSET_GUID = 1.
<CRMT_6305_SRV_SUBJECT_UI>-SUBJECT_HANDLE = 1.

ENDLOOP.

LOOP AT IT_CRMT_6305_SRV_SUBJECT_UI INTO WA_CRMT_6305_SRV_SUBJECT_UI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_6305_SRV_SUBJECT_UI-SUBJECT_GUID, sy-vline,
  WA_CRMT_6305_SRV_SUBJECT_UI-MODE, sy-vline,
  WA_CRMT_6305_SRV_SUBJECT_UI-CELL, sy-vline,
  WA_CRMT_6305_SRV_SUBJECT_UI-CT, sy-vline,
  WA_CRMT_6305_SRV_SUBJECT_UI-SELECTION_MARK, sy-vline,
  WA_CRMT_6305_SRV_SUBJECT_UI-CODEPROFILE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_6305_SRV_SUBJECT_UI 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_CRMT_6305_SRV_SUBJECT_UI 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_CRMT_6305_SRV_SUBJECT_UI INTO WA_CRMT_6305_SRV_SUBJECT_UI.


*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_CRMT_6305_SRV_SUBJECT_UI_STR, 
GUID TYPE STRING,
HANDLE TYPE STRING,
OSSET_HANDLE TYPE STRING,
OSSET_GUID TYPE STRING,
SUBJECT_HANDLE TYPE STRING,
SUBJECT_GUID TYPE STRING,
MODE TYPE STRING,
CELL TYPE STRING,
CT TYPE STRING,
SELECTION_MARK TYPE STRING,
CODEPROFILE TYPE STRING,
KATALOGART TYPE STRING,
CODEGRUPPE TYPE STRING,
CODE TYPE STRING,
DEFECTCLASS TYPE STRING,
QUALITY TYPE STRING,
DEFQUANTITY TYPE STRING,
GROUPTEXT TYPE STRING,
KURZTEXT TYPE STRING,
SCHLAGWORT TYPE STRING,
KATALOGTXT TYPE STRING,
DESCRIPTION TYPE STRING,
CATALOG_TYPE TYPE STRING,
SUBJECT_PROFILE TYPE STRING,
GUID_HIERARCHY TYPE STRING,
EXT_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_6305_SRV_SUBJECT_UI_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_CRMT_6305_SRV_SUBJECT_UI_STR-GUID sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-HANDLE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-OSSET_HANDLE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-OSSET_GUID sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-SUBJECT_HANDLE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-SUBJECT_GUID sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-MODE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CELL sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CT sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-SELECTION_MARK sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CODEPROFILE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-KATALOGART sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CODEGRUPPE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CODE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-DEFECTCLASS sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-QUALITY sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-DEFQUANTITY sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-GROUPTEXT sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-KURZTEXT sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-SCHLAGWORT sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-KATALOGTXT sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-DESCRIPTION sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-CATALOG_TYPE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-SUBJECT_PROFILE sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-GUID_HIERARCHY sy-vline 
WA_CRMT_6305_SRV_SUBJECT_UI_STR-EXT_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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