ABAP Select data from SAP table CMS_RE_OBJ_SPC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMS_RE_OBJ_SPC
*  INTO TABLE @DATA(IT_CMS_RE_OBJ_SPC2).
*--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_CMS_RE_OBJ_SPC INDEX 1 INTO DATA(WA_CMS_RE_OBJ_SPC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMS_RE_OBJ_SPC>-MANDT = 1.
<CMS_RE_OBJ_SPC>-SPC_GUID = 1.
<CMS_RE_OBJ_SPC>-OBJ_GUID = 1.
<CMS_RE_OBJ_SPC>-SPACE_TYPE = 1.
<CMS_RE_OBJ_SPC>-SPACE_COND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMS_RE_OBJ_SPC-USAGE_TYPE, sy-vline,
  WA_CMS_RE_OBJ_SPC-BLD_STR_TYPE, sy-vline,
  WA_CMS_RE_OBJ_SPC-SPACE_DESC, sy-vline,
  WA_CMS_RE_OBJ_SPC-NO_UNITS, sy-vline,
  WA_CMS_RE_OBJ_SPC-NO_PARK_UNITS, sy-vline,
  WA_CMS_RE_OBJ_SPC-NO_GARAGES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMS_RE_OBJ_SPC 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_CMS_RE_OBJ_SPC 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_CMS_RE_OBJ_SPC INTO WA_CMS_RE_OBJ_SPC.


*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 AREA_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMS_RE_OBJ_SPC-AREA_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMS_RE_OBJ_SPC-AREA_UOM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field VOLUME_VALUE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMS_RE_OBJ_SPC-VOLUME_VALUE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMS_RE_OBJ_SPC-VOLUME_VALUE_UOM.
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_CMS_RE_OBJ_SPC_STR, 
MANDT TYPE STRING,
SPC_GUID TYPE STRING,
OBJ_GUID TYPE STRING,
SPACE_TYPE TYPE STRING,
SPACE_COND TYPE STRING,
USAGE_TYPE TYPE STRING,
BLD_STR_TYPE TYPE STRING,
SPACE_DESC TYPE STRING,
NO_UNITS TYPE STRING,
NO_PARK_UNITS TYPE STRING,
NO_GARAGES TYPE STRING,
AREA TYPE STRING,
AREA_UOM TYPE STRING,
VOLUME TYPE STRING,
VOLUME_UOM TYPE STRING,
AREA_VALUE TYPE STRING,
AREA_VALUE_UOM TYPE STRING,
VOLUME_VAL TYPE STRING,
VOLUME_VALUE_UOM TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_DATE TYPE STRING,
CREATED_TIME TYPE STRING,
ENTRY_SRC TYPE STRING,
LAST_CHG_BY TYPE STRING,
LAST_CHG_DATE TYPE STRING,
LAST_CHG_TIME TYPE STRING,
PROCESSING_SRC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMS_RE_OBJ_SPC_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_CMS_RE_OBJ_SPC_STR-MANDT sy-vline 
WA_CMS_RE_OBJ_SPC_STR-SPC_GUID sy-vline 
WA_CMS_RE_OBJ_SPC_STR-OBJ_GUID sy-vline 
WA_CMS_RE_OBJ_SPC_STR-SPACE_TYPE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-SPACE_COND sy-vline 
WA_CMS_RE_OBJ_SPC_STR-USAGE_TYPE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-BLD_STR_TYPE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-SPACE_DESC sy-vline 
WA_CMS_RE_OBJ_SPC_STR-NO_UNITS sy-vline 
WA_CMS_RE_OBJ_SPC_STR-NO_PARK_UNITS sy-vline 
WA_CMS_RE_OBJ_SPC_STR-NO_GARAGES sy-vline 
WA_CMS_RE_OBJ_SPC_STR-AREA sy-vline 
WA_CMS_RE_OBJ_SPC_STR-AREA_UOM sy-vline 
WA_CMS_RE_OBJ_SPC_STR-VOLUME sy-vline 
WA_CMS_RE_OBJ_SPC_STR-VOLUME_UOM sy-vline 
WA_CMS_RE_OBJ_SPC_STR-AREA_VALUE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-AREA_VALUE_UOM sy-vline 
WA_CMS_RE_OBJ_SPC_STR-VOLUME_VAL sy-vline 
WA_CMS_RE_OBJ_SPC_STR-VOLUME_VALUE_UOM sy-vline 
WA_CMS_RE_OBJ_SPC_STR-CREATED_BY sy-vline 
WA_CMS_RE_OBJ_SPC_STR-CREATED_DATE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-CREATED_TIME sy-vline 
WA_CMS_RE_OBJ_SPC_STR-ENTRY_SRC sy-vline 
WA_CMS_RE_OBJ_SPC_STR-LAST_CHG_BY sy-vline 
WA_CMS_RE_OBJ_SPC_STR-LAST_CHG_DATE sy-vline 
WA_CMS_RE_OBJ_SPC_STR-LAST_CHG_TIME sy-vline 
WA_CMS_RE_OBJ_SPC_STR-PROCESSING_SRC sy-vline      INTO ld_text SEPARATED BY SPACE.

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