[MarkLogic Dev General] Invalid coercion and cts:query

[Adam Patterson]

Hi Wayne,

Thanks for your response.

I’m still having difficulty with this. If I do the following as suggested:

...

                $englishQuery := search:parse($queryString, $englishOptions),

                $germanQuery := search:parse($queryString, $germanOptions),

                $results := search:resolve(cts:or-query((cts:query($englishQuery), cts:query($germanQuery))), bhccSearch:getSearchOptions($target, $page))

                return ...


Then I get the following error:

XDMP-AS: (err:XPTY0004) $ctsquery as element() -- Invalid coercion: cts:or-query((cts:word-query("pa", ("lang=en"), 1), cts:word-query("pa", ("lang=de"), 1))) as element()

It looks like search:resolve is expecting a cts:query element, but the return value of the cts:or-query is returning something which cannot be cast as a cts:query element. Any thoughts?

Adam


From: general-bounces at developer.marklogic.com [mailto:general-bounces at developer.marklogic.com] On Behalf Of Wayne Feick
Sent: March 19, 2010 2:25 PM
To: General Mark Logic Developer Discussion
Subject: Re: [MarkLogic Dev General] Invalid coercion and cts:query

Hi Adam,

You don't need that cts:query() wrapper around everything, just use the cts:or-query() directly.

The cts:query() function creates a query from an XML representation of it (e.g. if you had placed a query into a document).

Wayne.


On Fri, 2010-03-19 at 11:06 -0700, Adam Patterson wrote:

Hi, newbie to XQuery and Marklogic here. I’m trying to do something like the following:



                ...

                $englishQuery := search:parse($queryString, $englishOptions),

                $germanQuery := search:parse($queryString, $germanOptions),

                $query := cts:query( cts:or-query((cts:query($englishQuery), cts:query($germanQuery)))),

                $results := search:resolve($query, bhccSearch:getSearchOptions($target, $page))

                return ...



I have content which is English, and other content which is German, and I am trying to build queries which will search both the English and German content, and then build a cts:or-query from those, and finally build a cts:query from the cts:or-query which I can use with search:resolve to return results. I keep getting errors like this:



XDMP-ARGTYPE: (err:XPTY0004) cts:query(cts:or-query((cts:word-query("pa", ("lang=en"), 1), cts:word-query("pa", ("lang=de"), 1)))) -- arg1 is not of type element()



So I guess the cts:or-query constructor is not returning me an element as needed by the cts:query constructor. Can someone explain why this is and how I should handle this?



Cheers,



Adam


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