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lightweight counterpart for collation()

2005-08-19 15:09:25
Hi list,

As I recently ran into storage problems with collation()
I would like to see a lightweight counterpart with the
following features:
- syntax like in collation() for one directory
- on invocation gets a sequence (dir-seq) representing
  the documents in the directory, the order determined 
  by the full URI, including the member-name. If the 
  function is called again, it reuses the dir-seq.
- each document is fetched only once from directory 
  when it is referenced for the first time. It will be discarded
  automatically if an other document from the same dir-seq 
  is referenced and it will not be re-fetched later on.
With the Saxon implemented collation() I noticed that the
sequence I got was not ordered by the URI and I had
to use sort, which in terms of memory usage can become
very costly indeed.
  
Any thoughts will be appreciated
  
Manfred

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