ABAP Select data from SAP table /PLMU/S_FRW_EPM_PRODUCT_DAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMU/S_FRW_EPM_PRODUCT_DAT 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 /PLMU/S_FRW_EPM_PRODUCT_DAT. 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 /PLMU/S_FRW_EPM_PRODUCT_DAT 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_/PLMU/S_FRW_EPM_PRODUCT_DAT TYPE STANDARD TABLE OF /PLMU/S_FRW_EPM_PRODUCT_DAT,
      WA_/PLMU/S_FRW_EPM_PRODUCT_DAT TYPE /PLMU/S_FRW_EPM_PRODUCT_DAT,
      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: </PLMU/S_FRW_EPM_PRODUCT_DAT> TYPE /PLMU/S_FRW_EPM_PRODUCT_DAT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMU/S_FRW_EPM_PRODUCT_DAT
  INTO TABLE IT_/PLMU/S_FRW_EPM_PRODUCT_DAT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMU/S_FRW_EPM_PRODUCT_DAT
*  INTO TABLE @DATA(IT_/PLMU/S_FRW_EPM_PRODUCT_DAT2).
*--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_/PLMU/S_FRW_EPM_PRODUCT_DAT INDEX 1 INTO DATA(WA_/PLMU/S_FRW_EPM_PRODUCT_DAT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMU/S_FRW_EPM_PRODUCT_DAT ASSIGNING </PLMU/S_FRW_EPM_PRODUCT_DAT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMU/S_FRW_EPM_PRODUCT_DAT>-NODE_KEY = 1.
</PLMU/S_FRW_EPM_PRODUCT_DAT>-PRODUCT_ID = 1.
</PLMU/S_FRW_EPM_PRODUCT_DAT>-TYPE_CODE = 1.
</PLMU/S_FRW_EPM_PRODUCT_DAT>-CATEGORY = 1.
</PLMU/S_FRW_EPM_PRODUCT_DAT>-NAME_GUID = 1.

ENDLOOP.

LOOP AT IT_/PLMU/S_FRW_EPM_PRODUCT_DAT INTO WA_/PLMU/S_FRW_EPM_PRODUCT_DAT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-DESC_GUID, sy-vline,
  WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-SUPPLIER_GUID, sy-vline,
  WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-TAX_TARIF_CODE, sy-vline,
  WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-MEASURE_UNIT, sy-vline,
  WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-WEIGHT_MEASURE, sy-vline,
  WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-CURRENCY_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMU/S_FRW_EPM_PRODUCT_DAT 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_/PLMU/S_FRW_EPM_PRODUCT_DAT 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_/PLMU/S_FRW_EPM_PRODUCT_DAT INTO WA_/PLMU/S_FRW_EPM_PRODUCT_DAT.


*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 MEASURE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-MEASURE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-MEASURE_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field DIM_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-DIM_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMU/S_FRW_EPM_PRODUCT_DAT-DIM_UNIT.
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_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR, 
NODE_KEY TYPE STRING,
PRODUCT_ID TYPE STRING,
TYPE_CODE TYPE STRING,
CATEGORY TYPE STRING,
NAME_GUID TYPE STRING,
DESC_GUID TYPE STRING,
SUPPLIER_GUID TYPE STRING,
TAX_TARIF_CODE TYPE STRING,
MEASURE_UNIT TYPE STRING,
WEIGHT_MEASURE TYPE STRING,
CURRENCY_CODE TYPE STRING,
PRICE TYPE STRING,
PRODUCT_PIC_URL TYPE STRING,
WIDTH TYPE STRING,
DEPTH TYPE STRING,
HEIGHT TYPE STRING,
DIM_UNIT TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_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_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-NODE_KEY sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-PRODUCT_ID sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-TYPE_CODE sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CATEGORY sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-NAME_GUID sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-DESC_GUID sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-SUPPLIER_GUID sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-TAX_TARIF_CODE sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-MEASURE_UNIT sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-WEIGHT_MEASURE sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CURRENCY_CODE sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-PRICE sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-PRODUCT_PIC_URL sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-WIDTH sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-DEPTH sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-HEIGHT sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-DIM_UNIT sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CREATED_BY sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CREATED_AT sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CHANGED_BY sy-vline 
WA_/PLMU/S_FRW_EPM_PRODUCT_DAT_STR-CHANGED_AT sy-vline      INTO ld_text SEPARATED BY SPACE.

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