Yes, default values do fix this problem as well since it is now a string and not an empty-sequence.
On Fri, Apr 2, 2010 at 3:09 PM, Ruth Stryker <[email protected]>wrote: > Maybe specify a default value in the call to xdmp:get-request-field: > > > > let $var := xdmp:get-request-field("non-existent-param","") > > > > (forwarded from another developer) > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *spig > *Sent:* Friday, April 02, 2010 2:01 PM > *To:* General Mark Logic Developer Discussion > *Subject:* Re: [MarkLogic Dev General] Unexpected behavior > > > > The point is that the function is never called (it is throwing fn:error > just to prove that it's not called, errors or not). Also, there is no > warning that the function is not being called, or that there is an error in > the parameter. Anyone know why this is? Try running the code and you'll see > what I mean. It's almost like there is a hidden try/catch around my code - > no errors raised and doesn't show that nothing was called. > > Steve > > On Fri, Apr 2, 2010 at 2:55 PM, Ruth Stryker <[email protected]> > wrote: > > Hi spig, > > > > Not sure about fn:error(). Maybe approach with try get instead…? > > > > try { > 1 div 0 > } > catch ($e) { > $e > } > > Or just use an if then else for checking if your field exists…? > > > > if(xdmp:get-request-field("q")) > > then local:search-results() > > else … > > > > > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *spig > *Sent:* Friday, April 02, 2010 1:43 PM > *To:* [email protected] > *Subject:* [MarkLogic Dev General] Unexpected behavior > > > > If I run the following code, my function is never called and no errors are > raised. Any ideas? > > > xquery version "1.0-ml"; > > declare function local:test($param1 as xs:string, $param2 as xs:string, > $param3 as xs:string) { > fn:error() > }; > > let $var := xdmp:get-request-field("non-existent-param") > > let $blah := local:test("", "", $var) > > return "Function Call Successful" > > > > Thanks, > Steve Spigarelli > > > _______________________________________________ > General mailing list > [email protected] > http://xqzone.com/mailman/listinfo/general > > > > _______________________________________________ > General mailing list > [email protected] > http://xqzone.com/mailman/listinfo/general > >
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