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[Ghislain Fourny <ghislain.fourny@xxxxxxxxxx>]

Hi William,

I think that count$i-where$i aka offset/limit can be optimized, but in most cases not in terms of subsequence: it sets an offset or a limit on the number of tuples, not on the number of items (a tuple may well produce zero, or more than one item in the end). I think that an early exit, or skipping, in FLWOR iterators should be possible when encountering a count$i-where$i. Markos is probably more familiar with this code than I am though.

Does it make sense?

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