Hello Amanda,
indeed using // or descendant-or-self:: is unlikely to
make any difference, because anyway relatedlinks is necessarily
an actual descendant of refentry.
The bug comes probably from the compilation of the path-expression
//refentry[count(descendant-or-self::relatedlinks)=0]
into basic indexed queries.
To help me understand what happens, it could be useful
to have an idea of the structure of your data, like for
example to know whether a refentry can contain another refentry.
The best would be to provide us a sample.
best
--
Xavier Franc
Qizx design and development
On Mon, 09 Jan 2012 14:33:31 +0100, Amanda Galtman
<[email protected]> wrote:
> [Forwarding to list.]
>
>> -----Original Message-----
>> From: Amanda Galtman
>> Sent: Monday, January 09, 2012 8:31 AM
>> To: 'Olivier JEULIN'
>> Subject: RE: [Qizx] Incorrect result when using predicate expression
>>
>> Hi Olivier,
>>
>> Thank you for the quick reply, and the correction and suggestion. I
>> tried the following
>> and still get "1"s among the results, in versions 4.2 and 4.4.
>>
>> Query #1
>> for $node in //refentry[count(descendant-or-self::relatedlinks)=0]
>> return (count($node//relatedlinks))
>>
>> Query #2
>> for $node in //refentry[count(.//relatedlinks)=0]
>> return (count($node//relatedlinks))
>>
>> Query #3
>> for $node in //refentry[count(descendant-or-self::relatedlinks)=0]
>> return (count($node/descendant-or-self::relatedlinks))
>>
>> (The results are the same across all three queries and two versions.)
>>
>> Thank you,
>> Amanda
>>
>>
>>
>> > -----Original Message-----
>> > From: Olivier JEULIN [mailto:[email protected]]
>> > Sent: Monday, January 09, 2012 7:31 AM
>> > To: Amanda Galtman
>> > Subject: Re: [Qizx] Incorrect result when using predicate expression
>> >
>> > Le 08/01/2012 13:36, Amanda Galtman a écrit :
>> >
>> > Hi,
>> >
>> > I believe the following query should not produce any "1"s in the
>> result.
>> > However, it produces a small number of "1"s along with the many
>> correct "0"s.
>> >
>> > for $node in //refentry[count(descendant::relatedlinks)=0]
>> > return (count($node//relatedlinks))
>> >
>> > I first saw a problem like this in Qizx Studio 4.2. I tried the same
>> thing in Qizx
>> > Studio 4.4, with the same result.
>> >
>> > I tried this variation, and it produced the expected result of all
>> "0"s.
>> >
>> > for $node in //refentry
>> > where (count($node//relatedlinks)=0)
>> > return (count($node//relatedlinks))
>> >
>> >
>> >
>> > Your queries are different: // is a synonym for descendant-or-self
>> > Try the first query with "descendant-or-self::relatedlinks" (or
>> ".//relatedlinks")
>> instead
>> > of "descendant::relatedlinks", if there still are "1", this is a bug.
>> >
>> >
>> > --
>> >
>> >
>> > Olivier JEULIN
>> > Chef de projet
>> > [email protected]
>> > Tél: +33 (0)1 41 05 22 00
>> >
>> >
>> >
>> > 42, rue de Villiers
>> > 92532 Levallois cedex
>> > www.efl.fr
>
> --
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