Sample code for a simple query parser?
On Fri, Jan 1, 2016 at 3:08 PM, Upayavira <u...@odoko.co.uk> wrote:
> You've got to think of what the queries will be that you produce under
> the bonnet - what you are talking about is either a (!func} or a
> {!frange} query - both of which are inefficient as they must scan the
> entire resultset.
>
> However, what you're trying to do is evaluate the length of the *input
> value*, not a value in the documents being searched, so this doesn't
> really apply - you're talking about doing some work before your query
> happens.
>
> Again, I'm not sure of a way to do this on a stock Solr, but with a
> little coding it should be achievable - you could extend the switch
> query parser, or you could write your own - they're not that hard to
> create. Or, you could create a search component that operates before the
> QueryComponent does.
>
> A simple queryparser of your own would seem like a pretty lightweight
> thing - probably 20 lines of code or less.
>
> Upayavira
>
> On Fri, Jan 1, 2016, at 09:40 PM, William Bell wrote:
> > Forgot last bit:
> >
> > fq={!switch case.gt.0=$state1
> > default=$state
> > func=len($state1)}</str>
> >
> >
> > On Fri, Jan 1, 2016 at 2:39 PM, William Bell <billnb...@gmail.com>
> wrote:
> >
> > > Maybe we can add function value on a switch?
> > >
> > > fq={!switch case.gt.0
> > > default=$state
> > > func=len($state1)}</str>
> > >
> > >
> > >
> > > We could add: gt, lt, eq, ge, le ?
> > >
> > > gt: greater than
> > > lt: less than
> > > eq: equal
> > > ge: greater than or equal
> > > le: less than or equal
> > >
> > > ??
> > >
> > >
> > >
> > > On Fri, Jan 1, 2016 at 2:25 PM, William Bell <billnb...@gmail.com>
> wrote:
> > >
> > >> This all started with me trying to use {!switch} to indicate with CO
> or
> > >> NY to use. if we pass state1, that is supposed to take precedence,
> but if
> > >> nothing is returned, then use state.... Make sense now?
> > >>
> > >> I could not find a way to check for strlen($state1). Which is what I
> want
> > >> in the case statement. This just does not work...
> > >> Something like the following is what I am trying to do:
> > >>
> > >>
> > >> fq={!switch case."anything"=$state1
> > >> default=$state
> > >> v=$state1}</str>
> > >>
> > >> So I tried the following to set all 50 states:
> > >>
> > >>
> > >> fq={!switch case.all='*:*'
> > >> case.CO='state:CO'
> > >> case.NY='state:NY'
> > >> v=$state1}</str>
> > >>
> > >>
> > >> Obviously Oregon (OR!) is an issue, and it won't work at all plus
> > >>
> > >>
> > >>
> > >> On Fri, Jan 1, 2016 at 2:15 PM, William Bell <billnb...@gmail.com>
> wrote:
> > >>
> > >>> Another weirdness:
> > >>>
> > >>>
> > >>>
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:CO&state1=state:NY&fl=*&q=*:*&tt=$state1&fq={!lucene%20v=$tt}
> > >>> <
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:CO&state1=state:NY&fl=*&q=*:*&tt=$state1&fq=%7B!lucene%20v=$tt%7D
> >
> > >>>
> > >>> That does not return anything.
> > >>>
> > >>> But if I set v=$state1 I get results.
> > >>>
> > >>> Can I not set equivalent variables?
> > >>>
> > >>>
> > >>>
> > >>> On Fri, Jan 1, 2016 at 2:07 PM, William Bell <billnb...@gmail.com>
> > >>> wrote:
> > >>>
> > >>>> Example.
> > >>>>
> > >>>>
> > >>>>
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:%22CO%22&state1=state:%22NY%22&fl=ss,score&q=*:*&fq={!lucene%20v=$state1}
> > >>>> <
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:%22CO%22&state1=state:%22NY%22&fl=ss,score&q=*:*&fq=%7B!lucene%20v=$state1%7D
> >
> > >>>>
> > >>>> This return 236,000
> > >>>>
> > >>>>
> > >>>>
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:%22CO%22&state1=state:%22NY%22&fl=ss,score&q=*:*&fq={!lucene%20v=$state}
> > >>>> <
> http://localhost:8983/solr/providersearch/select?wt=json&state=state:%22CO%22&state1=state:%22NY%22&fl=ss,score&q=*:*&fq=%7B!lucene%20v=$state%7D
> >
> > >>>>
> > >>>> This returns 10,000
> > >>>>
> > >>>> I want to put an IF statement around which v to use.
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> On Fri, Jan 1, 2016 at 1:52 PM, William Bell <billnb...@gmail.com>
> > >>>> wrote:
> > >>>>
> > >>>>> Sure.
> > >>>>>
> > >>>>> If the state:NY returns results filter by state:NY, if it does not,
> > >>>>> then use state:CO. If we have results in NY, use it, otherwise use
> CO.
> > >>>>>
> > >>>>> OK?
> > >>>>>
> > >>>>> On Fri, Jan 1, 2016 at 1:15 PM, Upayavira <u...@odoko.co.uk> wrote:
> > >>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>> On Thu, Dec 31, 2015, at 11:50 PM, William Bell wrote:
> > >>>>>> > We are getting weird results with if(exists(a),b,c). We are
> getting
> > >>>>>> b+c!!
> > >>>>>> >
> > >>>>>> >
> > >>>>>>
> http://localhost:8983/solr/providersearch/select?q=*:*&wt=json&state=state:%22CO%22&state1=state:%22NY%22&fq=if(exists(query($state1)),{!lucene%20v=$state1},{!lucene%20v=$state})
> > >>>>>> <
> http://localhost:8983/solr/providersearch/select?q=*:*&wt=json&state=state:%22CO%22&state1=state:%22NY%22&fq=if(exists(query($state1)),%7B!lucene%20v=$state1%7D,%7B!lucene%20v=$state%7D)
> >
> > >>>>>> >
> > >>>>>> > I am getting NY and CO!
> > >>>>>> >
> > >>>>>> > I only want $state1, which is NY.
> > >>>>>> >
> > >>>>>> > Any other ways to craft this?
> > >>>>>>
> > >>>>>> Does this work at all?
> > >>>>>>
> > >>>>>> The if() function is a function query that can be used to sort,
> boost
> > >>>>>> and as calculated fields. I haven't seen them used in filtering.
> > >>>>>>
> > >>>>>> Also, the query() function does *not* do a query, it just says
> "what
> > >>>>>> would this document score for this query?"
> > >>>>>>
> > >>>>>> Can you describe in English what you are trying to do?
> > >>>>>>
> > >>>>>> Upayavira
> > >>>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> --
> > >>>>> Bill Bell
> > >>>>> billnb...@gmail.com
> > >>>>> cell 720-256-8076
> > >>>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> --
> > >>>> Bill Bell
> > >>>> billnb...@gmail.com
> > >>>> cell 720-256-8076
> > >>>>
> > >>>
> > >>>
> > >>>
> > >>> --
> > >>> Bill Bell
> > >>> billnb...@gmail.com
> > >>> cell 720-256-8076
> > >>>
> > >>
> > >>
> > >>
> > >> --
> > >> Bill Bell
> > >> billnb...@gmail.com
> > >> cell 720-256-8076
> > >>
> > >
> > >
> > >
> > > --
> > > Bill Bell
> > > billnb...@gmail.com
> > > cell 720-256-8076
> > >
> >
> >
> >
> > --
> > Bill Bell
> > billnb...@gmail.com
> > cell 720-256-8076
>
--
Bill Bell
billnb...@gmail.com
cell 720-256-8076
