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[Dennis Knochenwefel <dennis.knochenwefel@xxxxxxxxxx>]

Even this doesn't work:

  import module namespace file = "http://expath.org/ns/file";;
  declare variable $file := "C:\data.txt";
  let $data := file:read-text($file)
  return $data;
  file:delete($file);

I think that even if scoping worked it wouldn't be sufficient. A user
should be able to read data into a global variable and delete a file,
no? In this case the user wants materialization in memory not only on
windows but also on any other OS, right?

This example throws an error even on linux:

  import module namespace file = "http://expath.org/ns/file";;
  declare variable $file := "/home/dknochen/test.txt";
  declare variable $data := ();
  $data := file:read-text($file);
  file:delete($file);
  $data

As the streaming part is hidden from the user, the materialization part
could be hidden as well, don't you think? For this we need to identify
the operations that force materialization. Would that make sense? Is it
feasible?

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https://bugs.launchpad.net/bugs/997230

Title:
  open filestream prevents file deletion on windows

Status in Zorba - The XQuery Processor:
  New

Bug description:
  the bug fix for bug #996084 seems to be a bit more tricky on windows.
  If you execute the attached example on a windows machine you will get:

  user-defined error [file:FOFL9999]: An unknown error occured:
  "C:\data.txt": I/O error: 32 failed (error The process cannot access
  the file because it is being used by another process): Can not delete
  file: C:\data.txt; raised at
  zorba\modules\org\expath\ns\file.xq.src\file_function.cpp:82

  The problem is that the file cannot be deleted as long as the file
  stream is open. This example query works on linux.

  This makes the 2 tests test/rbkt/zorba/file/copy_* fail on windows.
  Any idea how to solve this?

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