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From Aman Tandon <amantandon...@gmail.com>
Subject Re: edismax, pf2 and use of both AND and OR parameter
Date Wed, 02 Aug 2017 08:51:04 GMT
Hi,

Ideally it should but from the debug query it seems like it is not
respecting Boolean clauses.

Anyone else could help here? Is this the ideal behavior?

On Jul 31, 2017 5:47 PM, "Niraj Aswani" <nirajaswani@gmail.com> wrote:

> Hi Aman,
>
> Thank you very much your reply.
>
> Let me elaborate my question a bit more using your example in this case.
>
> AFAIK, what the pf2 parameter is doing to the query is adding the following
> phrase queries:
>
> (_text_:"system memory") (_text_:"memory oem") (_text_:"oem retail")
>
> There are three phrases being checked here:
> - system memory
> - memory oem
> - oem retail
>
> However, what I actually expected it to look like is the following:
> - system memory
> - memory oem
> - memory retail
>
> My understanding of the edismax parser is that it interprets the AND / OR
> parameters correctly so it should generate the bi-gram phrases respecting
> the AND /OR parameters as well, right?
>
> Am I missing something here?
>
> Regards,
> Niraj
>
> On Mon, Jul 31, 2017 at 4:24 AM, Aman Tandon <amantandon.10@gmail.com>
> wrote:
>
> > Hi Niraj,
> >
> > Should I expect it to check the following bigram phrases?
> >
> > Yes it will check.
> >
> > ex- documents & query is given below
> >
> > http://localhost:8983/solr/myfile/select?wt=xml&fl=name&
> > indent=on&q=*System
> > AND Memory AND (OEM OR Retail)*&rows=50&wt=json&*qf=_text_&pf2=_text_*
> > &debug=true&defType=edismax
> >
> > <result name="response" numFound="3" start="0">
> > <doc>
> > <arr name="name">
> > <str>
> > A-DATA V-Series 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) System
> > Memory - OEM
> > </str>
> > </arr>
> > </doc>
> > <doc>
> > <arr name="name">
> > <str>
> > CORSAIR ValueSelect 1GB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200)
> > System Memory - Retail
> > </str>
> > </arr>
> > </doc>
> > <doc>
> > <arr name="name">
> > <str>
> > CORSAIR XMS 2GB (2 x 1GB) 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200)
> > Dual Channel Kit System Memory - Retail
> > </str>
> > </arr>
> > </doc>
> > </result>
> >
> >
> > *Below is the parsed query*
> >
> > <str name="parsedquery_toString">
> > +(+(_text_:system) +(_text_:memory) +((_text_:oem) (_text_:retail)))
> > ((_text_:"system memory") (_text_:"memory oem") (_text_:"oem retail"))
> > </str>
> >
> > In case if you are in such scenarios where you need to knwo what query
> will
> > form, then you could us the debug=true to know more about the query &
> > timings of different component.
> >
> > *And when the ps2 is not specified default ps will be applied on pf2.*
> >
> > I hope this helps.
> >
> > With Regards
> > Aman Tandon
> >
> > On Mon, Jul 31, 2017 at 4:18 AM, Niraj Aswani <nirajaswani@gmail.com>
> > wrote:
> >
> > > Hi,
> > >
> > > I am using solr 4.4 and bit confused about how does the edismax parser
> > > treat the pf2 parameter when both the AND and OR operators are used in
> > the
> > > query with ps2=0
> > >
> > > For example:
> > >
> > > pf2=title^100
> > > q=HDMI AND Video AND (Wire OR Cable)
> > >
> > > Should I expect it to check the following bigram phrases?
> > >
> > > hdmi video
> > > video wire
> > > video cable
> > >
> > > Regards
> > > Niraj
> > >
> >
>

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