ABAP Select data from SAP table CRMT_0100_OBJL_EXT_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_0100_OBJL_EXT_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_0100_OBJL_EXT_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_0100_OBJL_EXT_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_0100_OBJL_EXT_UI TYPE STANDARD TABLE OF CRMT_0100_OBJL_EXT_UI,
      WA_CRMT_0100_OBJL_EXT_UI TYPE CRMT_0100_OBJL_EXT_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_0100_OBJL_EXT_UI> TYPE CRMT_0100_OBJL_EXT_UI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMT_0100_OBJL_EXT_UI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMT_0100_OBJL_EXT_UI
  INTO TABLE IT_CRMT_0100_OBJL_EXT_UI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_0100_OBJL_EXT_UI
*  INTO TABLE @DATA(IT_CRMT_0100_OBJL_EXT_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_0100_OBJL_EXT_UI INDEX 1 INTO DATA(WA_CRMT_0100_OBJL_EXT_UI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMT_0100_OBJL_EXT_UI ASSIGNING <CRMT_0100_OBJL_EXT_UI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_0100_OBJL_EXT_UI>-PRPPROD_I_HANDLE = 1.
<CRMT_0100_OBJL_EXT_UI>-PRPPROD_I_GUID = 1.
<CRMT_0100_OBJL_EXT_UI>-PRPADM_I_HANDLE = 1.
<CRMT_0100_OBJL_EXT_UI>-PRPADM_I_GUID = 1.
<CRMT_0100_OBJL_EXT_UI>-REF_HANDLE = 1.

ENDLOOP.

LOOP AT IT_CRMT_0100_OBJL_EXT_UI INTO WA_CRMT_0100_OBJL_EXT_UI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_0100_OBJL_EXT_UI-REF_GUID, sy-vline,
  WA_CRMT_0100_OBJL_EXT_UI-PRODUCT_ID, sy-vline,
  WA_CRMT_0100_OBJL_EXT_UI-PRODUCT_GUID, sy-vline,
  WA_CRMT_0100_OBJL_EXT_UI-CATEGORY_ID, sy-vline,
  WA_CRMT_0100_OBJL_EXT_UI-CATEGORY_GUID, sy-vline,
  WA_CRMT_0100_OBJL_EXT_UI-PRP_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_0100_OBJL_EXT_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_0100_OBJL_EXT_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_0100_OBJL_EXT_UI INTO WA_CRMT_0100_OBJL_EXT_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.

*Conversion exit ALPHA, internal->external for field IBASE_HEADER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_0100_OBJL_EXT_UI-IBASE_HEADER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_0100_OBJL_EXT_UI-IBASE_HEADER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IBASE_COMPONENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_0100_OBJL_EXT_UI-IBASE_COMPONENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_0100_OBJL_EXT_UI-IBASE_COMPONENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PRID1, internal->external for field IOBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_PRID1_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_0100_OBJL_EXT_UI-IOBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_0100_OBJL_EXT_UI-IOBJECT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUIPMENT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_0100_OBJL_EXT_UI-EQUIPMENT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_0100_OBJL_EXT_UI-EQUIPMENT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field FUNCTIONAL_LOCATION_ID
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_0100_OBJL_EXT_UI-FUNCTIONAL_LOCATION_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_0100_OBJL_EXT_UI-FUNCTIONAL_LOCATION_ID.
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_CRMT_0100_OBJL_EXT_UI_STR, 
PRPPROD_I_HANDLE TYPE STRING,
PRPPROD_I_GUID TYPE STRING,
PRPADM_I_HANDLE TYPE STRING,
PRPADM_I_GUID TYPE STRING,
REF_HANDLE TYPE STRING,
REF_GUID TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_GUID TYPE STRING,
CATEGORY_ID TYPE STRING,
CATEGORY_GUID TYPE STRING,
PRP_ID TYPE STRING,
SHORT_TEXT TYPE STRING,
CATALOG_ID TYPE STRING,
CATALOG_ITEM_ID TYPE STRING,
PARTNER_PROD TYPE STRING,
HIERARCHY_ID TYPE STRING,
HIERARCHY_GUID TYPE STRING,
MASTER_PRP_ID TYPE STRING,
MASTER_PRP_GUID TYPE STRING,
PROD_HIERARCHY TYPE STRING,
PROC_MODE TYPE STRING,
IBASE_HEADER TYPE STRING,
IBASE_HEADER_GUID TYPE STRING,
IBASE_COMPONENT TYPE STRING,
IBASE_COMPONENT_GUID TYPE STRING,
IOBJECT_ID TYPE STRING,
EQUIPMENT_ID TYPE STRING,
FUNCTIONAL_LOCATION_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_0100_OBJL_EXT_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_0100_OBJL_EXT_UI_STR-PRPPROD_I_HANDLE sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRPPROD_I_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRPADM_I_HANDLE sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRPADM_I_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-REF_HANDLE sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-REF_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRODUCT_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRODUCT_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-CATEGORY_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-CATEGORY_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PRP_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-SHORT_TEXT sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-CATALOG_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-CATALOG_ITEM_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PARTNER_PROD sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-HIERARCHY_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-HIERARCHY_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-MASTER_PRP_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-MASTER_PRP_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PROD_HIERARCHY sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-PROC_MODE sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-IBASE_HEADER sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-IBASE_HEADER_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-IBASE_COMPONENT sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-IBASE_COMPONENT_GUID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-IOBJECT_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-EQUIPMENT_ID sy-vline 
WA_CRMT_0100_OBJL_EXT_UI_STR-FUNCTIONAL_LOCATION_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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