Thnx Michael,
Found a tumbling example, and fiddled until I had this:
xquery version "3.0";
let $xml :=
<Docs>
<Doc>
<P>blah blah blah<pg>1</pg>blah blah</P>
<P>blah blah blah<pg>2</pg>blah blah</P>
</Doc>
<Doc>
<P>blah blah blah<pg>3</pg>blah blah</P>
<P>blah blah blah<pg>4</pg>blah blah</P>
</Doc>
</Docs>
return
<Docs>{
for $doc in $xml/Doc
return
<Doc>{
for $P in $doc/P
return
for tumbling window $w in $P/node()
start when true()
end next $e
when $e instance of element(pg)
return (
$w[self::pg],
<P>{
$w[not(self::pg)]
}</P>
)
}</Doc>
}</Docs>
Tested with http://try.zorba.io .. :)
Cheers,
Geert
> -----Oorspronkelijk bericht-----
> Van: Michael Kay [mailto:[email protected]]
> Verzonden: woensdag 20 november 2013 1:09
> Aan: Geert Josten
> CC: [email protected] Talk
> Onderwerp: Re: [xquery-talk] Group starting with in XQuery?
>
> If you're asking about XQuery 1.0, the answer is no, unless you regard
the
> solution using recursion as elegant.
>
> In XQuery 3.0 there are "tumbling windows" which give you the capability
of
> XSLT's group-starting-with, and a lot more besides.
>
> Michael Kay
> Saxonica
>
> On 19 Nov 2013, at 18:47, Geert Josten <[email protected]> wrote:
>
> > Just wondering, is there an elegant way of doing something like this
in
> > XQuery?
> >
> > <xsl:stylesheet version="2.0"
> > xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> > <xsl:output indent="yes"/>
> > <xsl:strip-space elements="*"/>
> >
> > <xsl:template match="@*|node()">
> > <xsl:copy>
> > <xsl:apply-templates select="@*|node()"/>
> > </xsl:copy>
> > </xsl:template>
> >
> > <xsl:template match="P">
> > <xsl:variable name="P" select="."/>
> > <xsl:for-each-group select="node()"
> > group-starting-with="pg">
> > <xsl:apply-templates select="self::pg"/>
> > <xsl:element name="{node-name($P)}">
> > <xsl:apply-templates
> > select="$P/@*|current-group()[not(self::pg)]"/>
> > </xsl:element>
> > </xsl:for-each-group>
> > </xsl:template>
> >
> > </xsl:stylesheet>
> >
> > Example input:
> >
> > <Docs>
> > <Doc>
> > <P>blah blah blah<pg>1</pg>blah blah</P>
> > <P>blah blah blah<pg>2</pg>blah blah</P>
> > </Doc>
> > <Doc>
> > <P>blah blah blah<pg>3</pg>blah blah</P>
> > <P>blah blah blah<pg>4</pg>blah blah</P>
> > </Doc>
> > </Docs>
> >
> > Cheers,
> > Geert
> >
> > M.Sc. G.P.H. (Geert) Josten
> > Senior Developer
> >
> >
> > Dayon B.V.
> > Delftechpark 37b
> > 2628 XJ Delft
> > The Netherlands
> >
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> >
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> >
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