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From Vikash Sharma <vikash0...@gmail.com>
Subject Re: Solr 4: Join Query
Date Mon, 03 Dec 2012 08:44:35 GMT
Hi Erick,
One more thing: So is there any other way to get the result?
I mean, I need to get both parent and child document in/not nested format.

Regards,
Vikash

Regards,
Vikash Sharma
vikash0810@gmail.com


On Sat, Dec 1, 2012 at 10:29 PM, Erick Erickson <erickerickson@gmail.com>wrote:

> That's the way joins work, and why they're called "pseudo join", they don't
> work like DB joins and return data from both records....
>
> Joins were put in for a specific use-case, when you try to treat Solr like
> a DB you're bound to be disappointed. I'd think about reworking the
> solution to de-normalize the data so you don't have to do joins.
>
> Best
> Erick
>
>
> On Fri, Nov 30, 2012 at 10:38 AM, Vikash Sharma <vikash0810@gmail.com
> >wrote:
>
> > Hi All,
> > I have my field definition in schema.xml like below
> >
> > <field name="id" type="string" indexed="true"..... />
> > <field name="Emp_id" type="string" indexed="true"..... />
> > <field name="doc_id" type="string" indexed="true"..... />
> > <field name="content" type="string" indexed="true"..... />
> >
> >
> > I need to create separate record in solr for each parent child
> > relationship... such that if child is same across different parent that
> it
> > gets stored only once.
> >
> > For e.g.
> >  -----------_Record 1
> > <id>ABC<id/>
> > <emp_id>EMP001<emp_id/>
> > <doc_id>DOC001<doc_id/>
> > <doc_content>My Parent Doc<doc_content/>
> >
> >  -----------_Record 2
> > <id>DOC001<id/>
> > <emp_id><emp_id/>
> > <doc_id><doc_id/>
> > <doc_content>My Document Data<doc_content/>
> >
> >
> > This will ensure that if any doc_id content is duplicate, than only once
> > the record is inserted in the solr.
> >
> > Lastly, I want the result as join. if emp_id=EMP001. then both record
> > should be returned, as there is a relationship between two records using
> of
> > doc_id = id
> >
> > If I query:
> >
> >
> http://localhost:8983/solr/select?q={!join%20from=doc_id%20to=id}emp_id:EMP001&wt=json
> > <
> >
> http://localhost:8983/solr/select?q={!join%20from=sha_one%20to=id}project_id:10&wt=json
> > >
> >
> > I expect both record should be returned either one after another or
> > nested..
> > But I only get child records...
> >
> >
> > Please help..
> >
> >
> >
> > Regards,
> > Vikash Sharma
> > vikash0810@gmail.com
> >
>

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