And I can confirm that Geert's suggestion works like a charm for complex
XPaths including comparison operators.

Thanks, Geert!

Markus

On Thu, Apr 2, 2015 at 10:39 AM, David Sewell <[email protected]> wrote:

> Actually, I need to retract my confirmation of an error in
> -document_selector. The problem was not with MLCP's XPath parser but with
> my XPath (although the error diagnostic from MLCP didn't indicate that). I
> originally tried
>
>   -document_selector '/root[descendant::*:hid[starts-with(., "AK")]'
>
> but left off a right bracket at the end of the expression. This works:
>
>   -document_selector '/root[descendant::*:hid[starts-with(., "AK")]]'
>
> returning the expected document set. So at least some types of predicate
> epxressions are working OK.
>
> David
>
>
> On Thu, 2 Apr 2015, Geert Josten wrote:
>
>  I recommend putting the arguments in a text file, and pointing to it with
>> the -option_file argument. It looks like your xpath gets chunked on the
>> spaces..
>>
>> Cheers
>>
>> On 4/2/15, 4:26 PM, "David Sewell" <[email protected]> wrote:
>>
>>  I can also confirm that MLCP's -document_selector filter doesn't like
>>> XPath
>>> predicates. For example, trying to return documents matching a particular
>>> metadata value only:
>>>
>>>  -document_selector '/root[descendant::*:hid[starts-with(., "AK")]'
>>>
>>> fails with 'ERROR contentpump.ContentPump: Unrecognized argument: "AK")]'
>>>
>>> The older XQSync program *is* able to use more complex XPath to select
>>> documents. Its version of the above filter,
>>>
>>>  -DINPUT_QUERY="collection()[descendant::*:hid[starts-with(.,
>>> 'AK')]]/base-uri()"
>>>
>>> works perfectly.
>>>
>>> Is there a reason for the limitation in MLCP?
>>>
>>> David
>>>
>>> On Mon, 30 Mar 2015, Markus Flatscher wrote:
>>>
>>>  According to the mlcp docs, the value passed into -document_selector
>>>> "specifies an XPath expression used to select which documents are
>>>> exported
>>>> from the database."
>>>>
>>>> However, using mlcp-1.2-2, this only seems to work for simple XPaths.
>>>> Any
>>>> comparison operators or even parentheses in the XPath throw errors for
>>>> me:
>>>>
>>>> mlcp export [Š] -document_selector '/root[child/child = "1"]'
>>>>
>>>>>
>>>>>>>  (ERROR contentpump.ContentPump: Unrecognized argument: =)
>>>>
>>>> Does anyone have a working example for an mlcp export with
>>>> -document_selector and a complex XPath expression?
>>>>
>>>> Thanks,
>>>>
>>>> Markus
>>>>
>>>>
>>>>
>>> --
>>> David Sewell, Editorial and Technical Manager
>>> ROTUNDA, The University of Virginia Press
>>> PO Box 400314, Charlottesville, VA 22904-4314 USA
>>> Email: [email protected]   Tel: +1 434 924 9973
>>> Web: http://rotunda.upress.virginia.edu/
>>>
>>
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>>
> --
> David Sewell, Editorial and Technical Manager
> ROTUNDA, The University of Virginia Press
> PO Box 400314, Charlottesville, VA 22904-4314 USA
> Email: [email protected]   Tel: +1 434 924 9973
> Web: http://rotunda.upress.virginia.edu/
>
> _______________________________________________
> General mailing list
> [email protected]
> Manage your subscription at:
> http://developer.marklogic.com/mailman/listinfo/general
>
>


-- 
Markus Flatscher
Consultant | Avalon Consulting, LLC
[email protected]

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