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Re: are there non streaming use cases of fn:snapshot

Subject: Re: are there non streaming use cases of fn:snapshot function
From: "Mukul Gandhi gandhi.mukul@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 15 Mar 2019 08:55:58 -0000
Re:  are there non streaming use cases of fn:snapshot
Hi Mike,
   Thanks for the comments. They're helpful.

On Fri, Mar 15, 2019 at 2:12 PM Michael Kay mike@xxxxxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> I can't think of any persuasive use cases. If your original data fits in
> memory, then there is little reason to make a snapshot copy of it, you
> might as well use the original. The point about snapshot is that it is
> designed to capture the content of a node and its immediate "relatives"
> (the ones you are most likely to need access to) without the memory
> overhead of holding the whole document; so it's all about memory use.
> I guess there could be cases where the output of snapshot() happens to be
> exactly the data that you want to put into a serialized message and send to
> some other system, but it's more likely in general that you would want to
> control the message content more precisely than this.
> Michael Kay
> Saxonica

Mukul Gandhi

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