ABAP Select data from SAP table ISPRODUCTSTORAGELOCATIONWD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPRODUCTSTORAGELOCATIONWD
*  INTO TABLE @DATA(IT_ISPRODUCTSTORAGELOCATIONWD2).
*--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_ISPRODUCTSTORAGELOCATIONWD INDEX 1 INTO DATA(WA_ISPRODUCTSTORAGELOCATIONWD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPRODUCTSTORAGELOCATIONWD>-KEY = 1.
<ISPRODUCTSTORAGELOCATIONWD>-PARENT_KEY = 1.
<ISPRODUCTSTORAGELOCATIONWD>-ROOT_KEY = 1.
<ISPRODUCTSTORAGELOCATIONWD>-PRODUCT = 1.
<ISPRODUCTSTORAGELOCATIONWD>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPRODUCTSTORAGELOCATIONWD-STORAGELOCATION, sy-vline,
  WA_ISPRODUCTSTORAGELOCATIONWD-PLANTFOREDIT, sy-vline,
  WA_ISPRODUCTSTORAGELOCATIONWD-STORAGELOCATIONFOREDIT, sy-vline,
  WA_ISPRODUCTSTORAGELOCATIONWD-WAREHOUSESTORAGEBIN, sy-vline,
  WA_ISPRODUCTSTORAGELOCATIONWD-MAINTENANCESTATUS, sy-vline,
  WA_ISPRODUCTSTORAGELOCATIONWD-ISMARKEDFORDELETION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPRODUCTSTORAGELOCATIONWD 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_ISPRODUCTSTORAGELOCATIONWD 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_ISPRODUCTSTORAGELOCATIONWD INTO WA_ISPRODUCTSTORAGELOCATIONWD.


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

*Conversion exit GJAHR, internal->external for field FISCALYEARCURRENTINVTRYPERIOD
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ISPRODUCTSTORAGELOCATIONWD-FISCALYEARCURRENTINVTRYPERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPRODUCTSTORAGELOCATIONWD-FISCALYEARCURRENTINVTRYPERIOD.
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_ISPRODUCTSTORAGELOCATIONWD_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
PLANTFOREDIT TYPE STRING,
STORAGELOCATIONFOREDIT TYPE STRING,
WAREHOUSESTORAGEBIN TYPE STRING,
MAINTENANCESTATUS TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
PHYSICALINVENTORYBLOCKIND TYPE STRING,
CREATIONDATE TYPE STRING,
DATEOFLASTPOSTEDCNTUNRSTRCDSTK TYPE STRING,
INVENTORYCORRECTIONFACTOR TYPE STRING,
INVTRYRESTRICTEDUSESTOCKIND TYPE STRING,
INVTRYCURRENTYEARSTOCKIND TYPE STRING,
INVTRYQUALINSPCURRENTYRSTKIND TYPE STRING,
INVENTORYBLOCKSTOCKIND TYPE STRING,
INVTRYRESTSTOCKPREVPERIODIND TYPE STRING,
INVENTORYSTOCKPREVPERIOD TYPE STRING,
INVTRYSTOCKQLTYINSPPREVPERIOD TYPE STRING,
HASINVTRYBLOCKSTOCKPREVPERIOD TYPE STRING,
FISCALYEARCURRENTINVTRYPERIOD TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
DUMMY_STL_INCL_EEW_PS TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPRODUCTSTORAGELOCATIONWD_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_ISPRODUCTSTORAGELOCATIONWD_STR-KEY sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-PARENT_KEY sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-ROOT_KEY sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-PRODUCT sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-PLANT sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-STORAGELOCATION sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-PLANTFOREDIT sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-STORAGELOCATIONFOREDIT sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-WAREHOUSESTORAGEBIN sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-MAINTENANCESTATUS sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-ISMARKEDFORDELETION sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-PHYSICALINVENTORYBLOCKIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-CREATIONDATE sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DATEOFLASTPOSTEDCNTUNRSTRCDSTK sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVENTORYCORRECTIONFACTOR sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVTRYRESTRICTEDUSESTOCKIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVTRYCURRENTYEARSTOCKIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVTRYQUALINSPCURRENTYRSTKIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVENTORYBLOCKSTOCKIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVTRYRESTSTOCKPREVPERIODIND sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVENTORYSTOCKPREVPERIOD sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-INVTRYSTOCKQLTYINSPPREVPERIOD sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-HASINVTRYBLOCKSTOCKPREVPERIOD sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-FISCALYEARCURRENTINVTRYPERIOD sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-HASACTIVEENTITY sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_STR-DUMMY_STL_INCL_EEW_PS sy-vline 
WA_ISPRODUCTSTORAGELOCATIONWD_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.