ABAP Select data from SAP table ISPRODUCTSTORAGEWD2_DR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPRODUCTSTORAGEWD2_DR 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 ISPRODUCTSTORAGEWD2_DR. 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 ISPRODUCTSTORAGEWD2_DR 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_ISPRODUCTSTORAGEWD2_DR TYPE STANDARD TABLE OF ISPRODUCTSTORAGEWD2_DR,
      WA_ISPRODUCTSTORAGEWD2_DR TYPE ISPRODUCTSTORAGEWD2_DR,
      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: <ISPRODUCTSTORAGEWD2_DR> TYPE ISPRODUCTSTORAGEWD2_DR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPRODUCTSTORAGEWD2_DR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPRODUCTSTORAGEWD2_DR
  INTO TABLE IT_ISPRODUCTSTORAGEWD2_DR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPRODUCTSTORAGEWD2_DR
*  INTO TABLE @DATA(IT_ISPRODUCTSTORAGEWD2_DR2).
*--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_ISPRODUCTSTORAGEWD2_DR INDEX 1 INTO DATA(WA_ISPRODUCTSTORAGEWD2_DR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPRODUCTSTORAGEWD2_DR ASSIGNING <ISPRODUCTSTORAGEWD2_DR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPRODUCTSTORAGEWD2_DR>-DRAFTUUID = 1.
<ISPRODUCTSTORAGEWD2_DR>-PARENTDRAFTUUID = 1.
<ISPRODUCTSTORAGEWD2_DR>-PRODUCT = 1.
<ISPRODUCTSTORAGEWD2_DR>-STORAGECONDITIONS = 1.
<ISPRODUCTSTORAGEWD2_DR>-TEMPERATURECONDITIONIND = 1.

ENDLOOP.

LOOP AT IT_ISPRODUCTSTORAGEWD2_DR INTO WA_ISPRODUCTSTORAGEWD2_DR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPRODUCTSTORAGEWD2_DR-HAZARDOUSMATERIALNUMBER, sy-vline,
  WA_ISPRODUCTSTORAGEWD2_DR-NMBROFGRORGISLIPSTOPRINTQTY, sy-vline,
  WA_ISPRODUCTSTORAGEWD2_DR-LABELTYPE, sy-vline,
  WA_ISPRODUCTSTORAGEWD2_DR-LABELFORM, sy-vline,
  WA_ISPRODUCTSTORAGEWD2_DR-MINREMAININGSHELFLIFE, sy-vline,
  WA_ISPRODUCTSTORAGEWD2_DR-EXPIRATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPRODUCTSTORAGEWD2_DR 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_ISPRODUCTSTORAGEWD2_DR 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_ISPRODUCTSTORAGEWD2_DR INTO WA_ISPRODUCTSTORAGEWD2_DR.


*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_ISPRODUCTSTORAGEWD2_DR-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPRODUCTSTORAGEWD2_DR-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN3, internal->external for field HAZARDOUSMATERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_MATN3_OUTPUT'
  EXPORTING
    input =                      WA_ISPRODUCTSTORAGEWD2_DR-HAZARDOUSMATERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPRODUCTSTORAGEWD2_DR-HAZARDOUSMATERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISPRODUCTSTORAGEWD2_DR-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPRODUCTSTORAGEWD2_DR-BASEUNIT.
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_ISPRODUCTSTORAGEWD2_DR_STR, 
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
PRODUCT TYPE STRING,
STORAGECONDITIONS TYPE STRING,
TEMPERATURECONDITIONIND TYPE STRING,
HAZARDOUSMATERIALNUMBER TYPE STRING,
NMBROFGRORGISLIPSTOPRINTQTY TYPE STRING,
LABELTYPE TYPE STRING,
LABELFORM TYPE STRING,
MINREMAININGSHELFLIFE TYPE STRING,
EXPIRATIONDATE TYPE STRING,
STORAGEBININSTRUCTION TYPE STRING,
TOTALSHELFLIFESTORAGEPERCENT TYPE STRING,
SHELFLIFEEXPIRATIONDATEPERIOD TYPE STRING,
SHELFLIFEEXPRTNDATERNDINGRULE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
BASEUNIT TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_PRD_INCL_EEW_PS TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPRODUCTSTORAGEWD2_DR_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_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTUUID sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-PARENTDRAFTUUID sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-PRODUCT sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-STORAGECONDITIONS sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-TEMPERATURECONDITIONIND sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-HAZARDOUSMATERIALNUMBER sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-NMBROFGRORGISLIPSTOPRINTQTY sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-LABELTYPE sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-LABELFORM sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-MINREMAININGSHELFLIFE sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-EXPIRATIONDATE sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-STORAGEBININSTRUCTION sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-TOTALSHELFLIFESTORAGEPERCENT sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-SHELFLIFEEXPIRATIONDATEPERIOD sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-SHELFLIFEEXPRTNDATERNDINGRULE sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-AUTHORIZATIONGROUP sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-BASEUNIT sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-HASACTIVEENTITY sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-DUMMY_PRD_INCL_EEW_PS sy-vline 
WA_ISPRODUCTSTORAGEWD2_DR_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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