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Posted to solr-user@lucene.apache.org by Memory Makers <me...@gmail.com> on 2011/10/24 01:45:00 UTC

questions on query format

Hi,

I've spent quite some time reading up on the query format and can't seem to
solve this problem:

1. If send solr the following query:
  q={!lucene}profile_description:*

  I get what I would expect.

2. If send solr the following query:
  q=*:*

  I get nothing just:
   <response><result name="response" numFound="0" start="0"
maxScore="0.0"/><lst name="highlighting"/></response>

Would appreciate some insight into what is going on.

Thanks.

Re: questions on query format

Posted by Ahmet Arslan <io...@yahoo.com>.

> ?q.alt=*:* worked for me -- how do I make sure that the
> standard query
> parser is configured.

You can append defType=lucene to your search URL. 

More permanent way is to default defType parameter in solrconfig.xml.

Re: questions on query format

Posted by Memory Makers <me...@gmail.com>.

Thanks,

?q.alt=*:* worked for me -- how do I make sure that the standard query
parser is configured.

Thanks.

MM.


On Mon, Oct 24, 2011 at 2:47 AM, Ahmet Arslan <io...@yahoo.com> wrote:

> > 2. If send solr the following query:
> >   q=*:*
> >
> >   I get nothing just:
> >    <response><result
> > name="response" numFound="0" start="0"
> > maxScore="0.0"/><lst
> > name="highlighting"/></response>
> >
> > Would appreciate some insight into what is going on.
>
> If you are using dismax as query parser, then *:* won't function as match
> all docs query. To retrieve all docs - with dismax - use q.alt=*:*
> parameter. Also, adding debugQuery=on will display information about parsed
> query.
>

Re: questions on query format

Posted by Ahmet Arslan <io...@yahoo.com>.

> 2. If send solr the following query:
>   q=*:*
> 
>   I get nothing just:
>    <response><result
> name="response" numFound="0" start="0"
> maxScore="0.0"/><lst
> name="highlighting"/></response>
> 
> Would appreciate some insight into what is going on.

If you are using dismax as query parser, then *:* won't function as match all docs query. To retrieve all docs - with dismax - use q.alt=*:* parameter. Also, adding debugQuery=on will display information about parsed query.