ABAP Select data from SAP table PROD_S_UOM_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROD_S_UOM_D
*  INTO TABLE @DATA(IT_PROD_S_UOM_D2).
*--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_PROD_S_UOM_D INDEX 1 INTO DATA(WA_PROD_S_UOM_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROD_S_UOM_D>-PRODUCT = 1.
<PROD_S_UOM_D>-ALTERNATIVEUNIT = 1.
<PROD_S_UOM_D>-ALTERNATIVEUNITFOREDIT = 1.
<PROD_S_UOM_D>-QUANTITYNUMERATOR = 1.
<PROD_S_UOM_D>-QUANTITYDENOMINATOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROD_S_UOM_D-MATERIALVOLUME, sy-vline,
  WA_PROD_S_UOM_D-VOLUMEUNIT, sy-vline,
  WA_PROD_S_UOM_D-GROSSWEIGHT, sy-vline,
  WA_PROD_S_UOM_D-WEIGHTUNIT, sy-vline,
  WA_PROD_S_UOM_D-UNITSPECIFICPRODUCTLENGTH, sy-vline,
  WA_PROD_S_UOM_D-UNITSPECIFICPRODUCTWIDTH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROD_S_UOM_D 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_PROD_S_UOM_D 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_PROD_S_UOM_D INTO WA_PROD_S_UOM_D.


*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 MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROD_S_UOM_D-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_S_UOM_D-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit EAN11, internal->external for field GLOBALTRADEITEMNUMBER
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_PROD_S_UOM_D-GLOBALTRADEITEMNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROD_S_UOM_D-GLOBALTRADEITEMNUMBER.
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_PROD_S_UOM_D_STR, 
PRODUCT TYPE STRING,
ALTERNATIVEUNIT TYPE STRING,
ALTERNATIVEUNITFOREDIT TYPE STRING,
QUANTITYNUMERATOR TYPE STRING,
QUANTITYDENOMINATOR TYPE STRING,
MATERIALVOLUME TYPE STRING,
VOLUMEUNIT TYPE STRING,
GROSSWEIGHT TYPE STRING,
WEIGHTUNIT TYPE STRING,
UNITSPECIFICPRODUCTLENGTH TYPE STRING,
UNITSPECIFICPRODUCTWIDTH TYPE STRING,
UNITSPECIFICPRODUCTHEIGHT TYPE STRING,
PRODUCTMEASUREMENTUNIT TYPE STRING,
LOWERLEVELPACKAGINGUNIT TYPE STRING,
GLOBALTRADEITEMNUMBER TYPE STRING,
GLOBALTRADEITEMNUMBERCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROD_S_UOM_D_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_PROD_S_UOM_D_STR-PRODUCT sy-vline 
WA_PROD_S_UOM_D_STR-ALTERNATIVEUNIT sy-vline 
WA_PROD_S_UOM_D_STR-ALTERNATIVEUNITFOREDIT sy-vline 
WA_PROD_S_UOM_D_STR-QUANTITYNUMERATOR sy-vline 
WA_PROD_S_UOM_D_STR-QUANTITYDENOMINATOR sy-vline 
WA_PROD_S_UOM_D_STR-MATERIALVOLUME sy-vline 
WA_PROD_S_UOM_D_STR-VOLUMEUNIT sy-vline 
WA_PROD_S_UOM_D_STR-GROSSWEIGHT sy-vline 
WA_PROD_S_UOM_D_STR-WEIGHTUNIT sy-vline 
WA_PROD_S_UOM_D_STR-UNITSPECIFICPRODUCTLENGTH sy-vline 
WA_PROD_S_UOM_D_STR-UNITSPECIFICPRODUCTWIDTH sy-vline 
WA_PROD_S_UOM_D_STR-UNITSPECIFICPRODUCTHEIGHT sy-vline 
WA_PROD_S_UOM_D_STR-PRODUCTMEASUREMENTUNIT sy-vline 
WA_PROD_S_UOM_D_STR-LOWERLEVELPACKAGINGUNIT sy-vline 
WA_PROD_S_UOM_D_STR-GLOBALTRADEITEMNUMBER sy-vline 
WA_PROD_S_UOM_D_STR-GLOBALTRADEITEMNUMBERCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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