ABAP Select data from SAP table APRDSTORAGE into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP APRDSTORAGE 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 APRDSTORAGE. 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 APRDSTORAGE 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_APRDSTORAGE TYPE STANDARD TABLE OF APRDSTORAGE,
      WA_APRDSTORAGE TYPE APRDSTORAGE,
      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: <APRDSTORAGE> TYPE APRDSTORAGE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APRDSTORAGE
*  INTO TABLE @DATA(IT_APRDSTORAGE2).
*--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_APRDSTORAGE INDEX 1 INTO DATA(WA_APRDSTORAGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APRDSTORAGE>-MANDT = 1.
<APRDSTORAGE>-PRODUCT = 1.
<APRDSTORAGE>-STORAGECONDITIONS = 1.
<APRDSTORAGE>-TEMPERATURECONDITIONIND = 1.
<APRDSTORAGE>-HAZARDOUSMATERIALNUMBER = 1.

ENDLOOP.

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

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


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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_APRDSTORAGE-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APRDSTORAGE-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_APRDSTORAGE_STR, 
MANDT 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,
SHELFLIFEEXPIRATIONDATEPERIOD TYPE STRING,
TOTALSHELFLIFE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
BASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APRDSTORAGE_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_APRDSTORAGE_STR-MANDT sy-vline 
WA_APRDSTORAGE_STR-PRODUCT sy-vline 
WA_APRDSTORAGE_STR-STORAGECONDITIONS sy-vline 
WA_APRDSTORAGE_STR-TEMPERATURECONDITIONIND sy-vline 
WA_APRDSTORAGE_STR-HAZARDOUSMATERIALNUMBER sy-vline 
WA_APRDSTORAGE_STR-NMBROFGRORGISLIPSTOPRINTQTY sy-vline 
WA_APRDSTORAGE_STR-LABELTYPE sy-vline 
WA_APRDSTORAGE_STR-LABELFORM sy-vline 
WA_APRDSTORAGE_STR-MINREMAININGSHELFLIFE sy-vline 
WA_APRDSTORAGE_STR-EXPIRATIONDATE sy-vline 
WA_APRDSTORAGE_STR-SHELFLIFEEXPIRATIONDATEPERIOD sy-vline 
WA_APRDSTORAGE_STR-TOTALSHELFLIFE sy-vline 
WA_APRDSTORAGE_STR-AUTHORIZATIONGROUP sy-vline 
WA_APRDSTORAGE_STR-BASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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