Hi Danny,
it works with plain query. usually in my function I have some
variables and I need to use these variables for eval. I tried the
following and I couldn't make it work. Can you help me?
xquery version "1.0-ml";
declare function local:mytest()
{
let $c1 := "http://py";
let $c2 := "http://mytest";
return
(
xdmp:eval('xdmp:document-insert("/aa.xml", <foo/>)')
,
xdmp:eval('xquery version "1.0-ml";
declare variable $e1 as external;
declare variable $e2 as external;
xdmp:document-set-collections( "/aa.xml", ($e1))
,
xdmp:document-get-collections("/aa.xml")
,
xdmp:document-add-collections( "/aa.xml", ($e2))'
,
(xs:QName("e1"), $c1, xs:QName("e2"), $c2)
)
,
xdmp:eval('xdmp:document-get-collections("/aa.xml")')
)
};
local:mytest()
On Jul 6, 2010, at 5:18 PM, Danny Sokolsky wrote:
You need to make the updates happen in a separate transaction and
then make the get-collections happen in a separate transaction that
has a timestamp later than the update. One way to do that is by
making them each do evals. SOmething like:
xquery version "1.0-ml";
declare function local:mytest()
{
(
xdmp:eval('xdmp:document-insert("/aa.xml", <foo/>)'),
xdmp:eval('xdmp:document-set-collections( "/aa.xml", ("http://py";))
,
xdmp:document-get-collections("/aa.xml")
,
xdmp:document-add-collections( "/aa.xml", ("http://mytest";))')
,
xdmp:eval('xdmp:document-get-collections("/aa.xml")')
)
};
local:mytest()
-Danny
From: [email protected] [mailto:[email protected]
] On Behalf Of helen chen
Sent: Tuesday, July 06, 2010 2:03 PM
To: General Mark Logic Developer Discussion
Subject: [MarkLogic Dev General] how to do multi-transaction in a
function
I want to do an update to a document and then see the update
immediately. I did a test like the following:
I add a collection to a document, then try to get it, within the
same transaction I cannot see the new collection. That means I have
to be in the seperate transaction.
declare function local:mytest()
{
(
xdmp:document-set-collections( "/aa.xml", ("http://py";))
,
xdmp:document-get-collections("/aa.xml")
,
xdmp:document-add-collections( "/aa.xml", ("http://mytest";))
,
xdmp:document-get-collections("/aa.xml")
)
};
local:mytest()
How can I make the last line xdmp:document-get-collections("/
aa.xml") as seperate transaction so I can see the change?
Thanks, Helen
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