[Bug 29142] [XSLT30] streamability of the xsl:merge-source/select expression

https://www.w3.org/Bugs/Public/show_bug.cgi?id=29142

--- Comment #4 from Abel Braaksma <abel.braaksma@xs4all.nl> ---
> select="/log/items ! (xs:dateTime(@ts), string(@error), string(@server))"

Actually, this shows a potential dangerousness of this kind of grounding
expressions if used with merging and I think they have the same issue as the
grounding expressions we looked up in the discussion of fn:last(). As written,
it *may* be consumed all at once, because it is grounding. Which is perhaps
even more the reason to add it and to say something about it (i.e., that
streamability is guaranteed, but limited memory is not, but that optimizing
processors will process this item by item).

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Received on Friday, 16 October 2015 10:13:40 UTC