I tried this before, but I got the error: A sequence of more than one item
is not allowed as the first argument of saxon:evaluate(). At least trying
when using Oxygen.
I would do
group-by="string-join(receiver, operation, prev_bus_state, data,
for $x in $groupingKeys return saxon:evaluate($x/key), '|'))"
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: christoph(_dot_)klocker(_at_)rcm(_dot_)at
[mailto:christoph(_dot_)klocker(_at_)rcm(_dot_)at]
Sent: 16 July 2007 11:21
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: RE: [xsl] dynamic grouping assignment
I have several such result blocks.
<result>
<receiver>Aktien</receiver>
<operation>I</operation>
<bus_state>OP</bus_state>
<prev_bus_state></prev_bus_state>
<pf_cod>600 </pf_cod>
<xact_num>6281098</xact_num>
<exec_num>46030</exec_num>
<xact_dat>27-06-2007</xact_dat>
<settle_dat>27-06-2007</settle_dat>
<inst_qty>10</inst_qty>
<inst_price>8.0</inst_price>
<cur_cod>TRY</cur_cod>
<settle_cur>TRY</settle_cur>
<order_typ></order_typ>
<order_typ_ref></order_typ_ref>
<prev_xact_num></prev_xact_num>
<ordr_block>block</ordr_block>
</result>
I always have to group after following elements receiver,
operation, prev_bus_state, what I did by concating
concat(receiver, operation, prev_bus_state, data)
Now I need to assign dynamically additional grouping keys so
that my group by statement would be
concat(receiver, operation, prev_bus_state, data, ordr_block,
order_typ)
I tried now:concat(receiver, operation, data, prev_bus_state,
string-join(for $x in $groupingKeys return $x/key, ','))
where the parameter $groupingKeys is
<xsl:param name=3D"groupingKeys" >
<key>order_typ</key>
<key>ordr_block</key>
</xsl:param >
the problem is, that the key elements are not evaluated. the
grouping key contains the element names not the value of them:
"AktienIordr_block,order_typ"
I don't know how to use xx:evaluate() on more than one element.
hope this makes it more clear.
Christoph
mike(_at_)saxonica(_dot_)com@inet schrieb am 16.07.2007 10:27:29:
As with dynamic sorting: if you know that the dynamic keys will be
simple
element names, you can use *[name()=$key]. For anything
more complex,
you
need xx:evaluate(). If you can't get this to work you'll
need to show
us what you did before we can tell you what you did wrong.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: christoph(_dot_)klocker(_at_)rcm(_dot_)at
[mailto:christoph(_dot_)klocker(_at_)rcm(_dot_)at]
Sent: 16 July 2007 06:49
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] dynamic grouping assignment
Hi,
How can I dynamically assing a grouping key, where I
provide some of
the grouping keys as parameters.
I have the parameters
<xsl:param name="groupingKeys" >
<key>order_typ</key>
<key>ordr_block</key>
</xsl:param >
I would like to add to the group-by evaluation.
<xsl:for-each-group select="result"
group-by="concat(receiver, operation, data, prev_bus_state,
string-join(for $x in $groupingKeys return $x/key, ','))">
I guess I need to use the saxon:evaluate() extension, but
I couldn't
get it right.
thanks
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