[xquery-talk] query on recursive xml structure

[yix yix]

Torsten,

thanks a lot

Billigo

On 8/29/06, Torsten Grust <grust at in.tum.de> wrote:
>
> Following up on myself, the slightly modified
>
>            //b[*/text()/tokenize(.," ") = ("kiwi","banana")]
>
> should be more stable with respect to spurious white space in the sub-
> trees below b elements.
>
>     --Torsten
>
> On Aug 29, 2006, 10:44 AM, Torsten Grust wrote with possible deletions:
> > Hi,
> >
> > does
> >
> >   //b[*/tokenize(.," ") = ("kiwi","banana")]
> >
> > solve your problem?  (It behaves as desired for the two cases you
> > give below.)
> >
> > Cheers,
> >    --Torsten
> >
> > On Aug 29, 2006, 10:18 AM, yix yix wrote with possible deletions:
> >> Hi,
> >>
> >>
> >> My input document looks like that :
> >>
> >> <a>
> >>     <b n="1">
> >>         <c>pea</c>
> >>         <d>apple</d>
> >>         <b n="2">
> >>             <c>kiwi</c>
> >>             <d>banana</d>
> >>         </b>
> >>     </b>
> >>     <b n="3">
> >>         <c>kiwi</c>
> >>         <d>banana</d>
> >>     </b>
> >> </a>
> >>
> >> The structure is recursive : b can contain b.
> >>
> >> I want to write a query to retrieve any b that contains "kiwi" and
> >> "banana", but I want to exclude the first b (with n="1") because
> >> the keywords are not in its own content (c+d), but in its b
> >> child's content.
> >> The query should return b2 and b3.
> >>
> >> This query can't go :
> >>
> >> for $x in //b
> >> where $x[contains(., "kiwi") and contains(., "banana")]
> >> and not($x/c[contains(., "kiwi") and contains(., "banana")])
> >> return     $x
> >>
> >> because, sometimes my put could be :
> >>
> >> <a>
> >>     <b n="1">
> >>         <c>pea</c>
> >>         <d>apple</d>
> >>         <b n="2">
> >>             <c>kiwi</c>
> >>             <d>banana</d>
> >>         </b>
> >>         <e>kiwi banana</e>
> >>     </b>
> >>     <b n="3">
> >>         <c>kiwi</c>
> >>         <d>banana</d>
> >>     </b>
> >> </a>
> >>
> >> In that case, the query should return all three b.
> >>
> >> Thanks for your help,
> >>
> >> Billig
> >> _______________________________________________
> >> talk at x-query.com
> >> http://x-query.com/mailman/listinfo/talk
> >
> > --
> >   | Prof. Dr. Torsten Grust                         grust at in.tum.de |
> >   |                                 http://www-db.in.tum.de/~grust/ |
> >   |     Database Systems - Technische Universität München (Germany) |
> >
> >
> >
> >
> >
> > _______________________________________________
> > talk at x-query.com
> > http://x-query.com/mailman/listinfo/talk
> >
>
> --
>    | Prof. Dr. Torsten Grust                         grust at in.tum.de |
>    |                                 http://www-db.in.tum.de/~grust/ |
>    |     Database Systems - Technische Universität München (Germany) |
>
>
>
>
>
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