Yes, that appears to be true unless I'm missing something obvious.
It seems like in this case Solr should either 1) search against the fields that
it /does/ know about in a given collection normally, or 2) return an error.
That would be more intuitive than returning results but with different search
logic.
Currently we add placeholder fields to other collections in an alias to get
around this if required, but it's messy.
-Original Message-
From: David Hastings [mailto:hastings.recurs...@gmail.com]
Sent: Wednesday, October 18, 2017 3:20 PM
To: solr-user@lucene.apache.org
Subject: Re: Querying fields that don't exist in every collection
I may be wrong here, but what i think is happening is the edismax parser sees a
field that doesn't exist, and therefore "believes" all logic you entered into
the query is a complete mistake and negates it as such. so NOT becomes the
word not and * becomes whitespace.
On Wed, Oct 18, 2017 at 3:15 PM, Beach, Daniel <daniel.be...@spglobal.com>
wrote:
> Hello all,
>
> I'm running into an issue where adding a field to the qf changes the
> parsed query if that field doesn't exist in the Solr index. Our use
> case for doing this is that we have multiple collections and many of
> our queries leverage aliases to search across several of them
> simultaneously. While we have a common group of fields that is shared
> across schemas, it is often the case that we need to use
> collection-specific fields to boost one content type over another.
>
> Here is the query debug output from a query that only searches on
> existing fields. This is the intended outcome.
>
> q=companies%20NOT%20brands*=Text=json=query&
> defType=edismax
>
> "rawquerystring":"companies NOT brands*",
> "querystring":"companies NOT brands*",
> "parsedquery":"(+(DisjunctionMaxQuery((Text:company))
> -DisjunctionMaxQuery((Text:brands*/no_coord",
> "parsedquery_toString":"+((Text:company) -(Text:brands*))",
> "QParser":"ExtendedDismaxQParser",
>
>
> When a "BOGUS" field name is added to the second query suddenly the
> query operators aren't interpreted correctly, and wildcards get dropped.
>
> q=companies%20NOT%20brands*=Text%20BOGUS=json=
> query=edismax
>
> "rawquerystring":"companies NOT brands*",
> "querystring":"companies NOT brands*",
> "parsedquery":"(+(DisjunctionMaxQuery((Text:company))
> DisjunctionMaxQuery((Text:not)) DisjunctionMaxQuery((Text:
> brand/no_coord",
> "parsedquery_toString":"+((Text:company) (Text:not) (Text:brand))",
> "QParser":"ExtendedDismaxQParser"
>
>
> These results are from Solr 6.5.0 and 5.5, querying against a single
> collection endpoint. Is this Solr's expected functionality? Hopefully
> I'm just blanking on something simple here.
>
> Thanks,
> Daniel Beach
>
>
>
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