Hmm. If I understand correctly this builds a set out of open intervals
(exclusive ranges), that's a great idea!
It doesn't seem to work for me, though; fq=-color:({* TO red} {red TO *})
is giving me results with color="burnt sienna"
The field is defined as <field name="color" type="string" indexed="true"
stored="true" multiValued="true" />
On Sat, Sep 27, 2014 at 4:43 PM, Mikhail Khludnev <
mkhlud...@griddynamics.com> wrote:
> indeed!
> the exclusive range {green TO red} matches to the "lemon yellow"
> hence, the negation suppresses it from appearing
> fq=-color:{green TO red}
> then you need to suppress eg black and white also
> fq=-color:({* TO green} {green TO red} {red TO *})
>
> I have no control over the
> > possible values of 'color',
>
> You don't need to control possible values, you just suppressing any values
> beside of the given green and red.
> Mind that either green or red passes that negation of exclusive ranges
> disjunction.
>
>
> On Sun, Sep 28, 2014 at 12:15 AM, White, Bill <bwh...@ptfs.com> wrote:
>
> > OK, let me try phrasing it better.
> >
> > How do I exclude from search, any result which contains any value for
> > multivalued field 'color' which is not within a given "constraint set"
> > (e.g., "red", "green", "yellow", "burnt sienna"), given that I do not
> what
> > any of the other possible values of 'color' are?
> >
> > In pseudocode:
> >
> > for all x in result.color
> > if x not in ("red","green","yellow", "burnt sienna")
> > filter out result
> >
> > I don't see how range queries would work since I have no control over the
> > possible values of 'color', e.g., there could be a valid color "lemon
> > yellow" between "green" and "red", and I don't want a result which has
> > (color: red, color: "lemon yellow")
> >
> > On Sat, Sep 27, 2014 at 4:02 PM, Mikhail Khludnev <
> > mkhlud...@griddynamics.com> wrote:
> >
> > > On Sat, Sep 27, 2014 at 11:36 PM, White, Bill <bwh...@ptfs.com> wrote:
> > >
> > > > but do NOT match ANY other color.
> > >
> > >
> > > Bill, I miss the whole picture, it's worth to rephrase the problem in
> one
> > > sentence.
> > > But regarding the quote above, you can try to use exclusive ranges
> > >
> > >
> >
> https://lucene.apache.org/core/4_6_0/queryparser/org/apache/lucene/queryparser/classic/package-summary.html#Range_Searches
> > > fq=-color:({* TO green} {green TO red} {red TO *})
> > > just don't forget to build ranges alphabetically
> > >
> > > --
> > > Sincerely yours
> > > Mikhail Khludnev
> > > Principal Engineer,
> > > Grid Dynamics
> > >
> > > <http://www.griddynamics.com>
> > > <mkhlud...@griddynamics.com>
> > >
> >
>
>
>
> --
> Sincerely yours
> Mikhail Khludnev
> Principal Engineer,
> Grid Dynamics
>
> <http://www.griddynamics.com>
> <mkhlud...@griddynamics.com>
>
