Subject: Re: [xsl] Mapping from two sources From: Mukul Gandhi <gandhi.mukul@xxxxxxxxx> Date: Sat, 2 Oct 2010 22:37:09 +0530 |
On Sat, Oct 2, 2010 at 4:29 PM, sudheshna iyer <sudheshnaiyer@xxxxxxxxx> wrote: > does xsl:for-each-group acts like inner join? Well I think, for-each-group cannot be treated as inner join (which is a relational algebra abstraction, as Mike also says) -- we are not joining any two sets with for-each-group. The input to for-each-group is just a sequence, with definition of grouping key (for e.g, the value of group-by attribute). I would imagine for-each-group as a kind of mapping function, something similar to for-each but with a kind of layer of grouping on top of that. -- Regards, Mukul Gandhi
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