ABAP Select data from SAP table CRM_ISU_OBJSET_LABEL_IL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRM_ISU_OBJSET_LABEL_IL
*  INTO TABLE @DATA(IT_CRM_ISU_OBJSET_LABEL_IL2).
*--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_CRM_ISU_OBJSET_LABEL_IL INDEX 1 INTO DATA(WA_CRM_ISU_OBJSET_LABEL_IL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRM_ISU_OBJSET_LABEL_IL>-CLIENT = 1.
<CRM_ISU_OBJSET_LABEL_IL>-GUID = 1.
<CRM_ISU_OBJSET_LABEL_IL>-PROFILE = 1.
<CRM_ISU_OBJSET_LABEL_IL>-CATEGORY_TYPE = 1.
<CRM_ISU_OBJSET_LABEL_IL>-CATEGORY_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRM_ISU_OBJSET_LABEL_IL-LABEL_ID, sy-vline,
  WA_CRM_ISU_OBJSET_LABEL_IL-DIVISION, sy-vline,
  WA_CRM_ISU_OBJSET_LABEL_IL-ORDERED_PROD, sy-vline,
  WA_CRM_ISU_OBJSET_LABEL_IL-CREATED_BY, sy-vline,
  WA_CRM_ISU_OBJSET_LABEL_IL-CHANGED_BY, sy-vline,
  WA_CRM_ISU_OBJSET_LABEL_IL-BUPA_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRM_ISU_OBJSET_LABEL_IL 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_CRM_ISU_OBJSET_LABEL_IL 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_CRM_ISU_OBJSET_LABEL_IL INTO WA_CRM_ISU_OBJSET_LABEL_IL.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRM_ISU_OBJSET_LABEL_IL-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRM_ISU_OBJSET_LABEL_IL-LANGU.
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_CRM_ISU_OBJSET_LABEL_IL_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
PROFILE TYPE STRING,
CATEGORY_TYPE TYPE STRING,
CATEGORY_ID TYPE STRING,
LABEL_ID TYPE STRING,
DIVISION TYPE STRING,
ORDERED_PROD TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
BUPA_GUID TYPE STRING,
BUAG_GUID TYPE STRING,
ARCHIVING_FLAG TYPE STRING,
USER_FLAG TYPE STRING,
LABEL_DESCR TYPE STRING,
DESCRIPTION TYPE STRING,
TASK TYPE STRING,
LANGU TYPE STRING,
START_DATE TYPE STRING,
MAIN_ITEM TYPE STRING,
COUNTER TYPE STRING,
COUNTER_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRM_ISU_OBJSET_LABEL_IL_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_CRM_ISU_OBJSET_LABEL_IL_STR-CLIENT sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-GUID sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-PROFILE sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-CATEGORY_TYPE sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-CATEGORY_ID sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-LABEL_ID sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-DIVISION sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-ORDERED_PROD sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-CREATED_BY sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-CHANGED_BY sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-BUPA_GUID sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-BUAG_GUID sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-ARCHIVING_FLAG sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-USER_FLAG sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-LABEL_DESCR sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-DESCRIPTION sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-TASK sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-LANGU sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-START_DATE sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-MAIN_ITEM sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-COUNTER sy-vline 
WA_CRM_ISU_OBJSET_LABEL_IL_STR-COUNTER_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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