Hi wayne and Jason,
It works for me. Thanks a lot for help.
Helen
On Aug 19, 2010, at 1:53 PM, Wayne Feick wrote:
> Hi Helen,
>
> Take a look at the docs for xdmp:eval() and xdmp:invoke(), specifically the
> database option. Here's a quick example.
> xdmp:eval(
> 'xquery version "1.0-ml";
> declare variable $URI as xs:string external;
> fn:doc($URI)
> ', (xs:QName("URI"), "/foo.xml"),
> <options xmlns="xdmp:eval">
> <database>{xdmp:database("OtherDatabase")}</database>
> </options>)
> Note that a cross database eval/invoke will always run as a separate
> transaction (either a second update, or at a different commit timestamp if
> it's a query).
>
> I've found the xdmp:function capability very useful in this context to call a
> function in the context of a different database.
> declare function local:foo($arg1, $arg2) { ... };
>
> xdmp:eval(
> 'declare variable $FN as xdmp:function external;
> declare variable $ARG1 external;
> declare variable $ARG2 external;
> xdmp:apply($FN,$ARG1,$ARG2)
> ', (xs:QName("FN"), xdmp:function("local:foo"),
> xs:QName("ARG1"), $x,
> xs:QName("ARG2"), $y),
> <options xmlns="xdmp:eval">
> <database>{xdmp:database("OtherDatabase")}</database>
> </options>)
> Both of those code snippets are from memory, so they may not be quite right.
>
> Wayne.
>
>
> On 08/19/2010 10:41 AM, helen chen wrote:
>>
>> I'm inside marklogic and in database A, if I want to get some document from
>> another database B and do something, like if I want to get the list of
>> document with uri pattern "/a/b/*xml" from database B, how can I do it?
>>
>> Thanks, Helen
>> _______________________________________________
>> General mailing list
>> [email protected]
>> http://developer.marklogic.com/mailman/listinfo/general
>
> --
> Wayne Feick
> Lead Engineer
> MarkLogic Corporation
> Phone +1 650 655 2378
> Cell +1 408 981 4576
> www.marklogic.com
> _______________________________________________
> General mailing list
> [email protected]
> http://developer.marklogic.com/mailman/listinfo/general
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